prosody
4f1fe6eb1ddb
spec/util_promise_spec.lua

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spec/util_promise_spec.lua @ 12301:4f1fe6eb1ddb

mod_c2s,mod_s2s: Wait for sessions to close before proceeding with shutdown steps Ensures unavailable presence and other outgoing stanzas are sent. Waiting for c2s sessions to close first before proceeding to disable and close s2s ensures that unavailable presence can go out, even if it requires dialback to complete first.
author Kim Alvefur <zash@zash.se>
date Thu, 17 Feb 2022 03:49:47 +0100
parent 11951:6d9e3f541830
child 12749:eb9814372c54
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1 local promise = require "util.promise";
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2
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3 describe("util.promise", function ()
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4 --luacheck: ignore 212/resolve 212/reject
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5 describe("new()", function ()
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6 it("returns a promise object", function ()
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7 assert(promise.new());
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8 end);
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9 end);
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10 it("notifies immediately for fulfilled promises", function ()
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11 local p = promise.new(function (resolve)
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12 resolve("foo");
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13 end);
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14 local cb = spy.new(function (v)
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15 assert.equal("foo", v);
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16 end);
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17 p:next(cb);
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18 assert.spy(cb).was_called(1);
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19 end);
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20 it("notifies on fulfillment of pending promises", function ()
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21 local r;
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22 local p = promise.new(function (resolve)
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23 r = resolve;
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24 end);
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25 local cb = spy.new(function (v)
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26 assert.equal("foo", v);
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27 end);
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28 p:next(cb);
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29 assert.spy(cb).was_called(0);
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30 r("foo");
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31 assert.spy(cb).was_called(1);
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32 end);
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33 it("allows chaining :next() calls", function ()
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34 local r;
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35 local result;
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36 local p = promise.new(function (resolve)
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37 r = resolve;
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38 end);
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39 local cb1 = spy.new(function (v)
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40 assert.equal("foo", v);
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41 return "bar";
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42 end);
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43 local cb2 = spy.new(function (v)
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44 assert.equal("bar", v);
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45 result = v;
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46 end);
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47 p:next(cb1):next(cb2);
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48 assert.spy(cb1).was_called(0);
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49 assert.spy(cb2).was_called(0);
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50 r("foo");
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51 assert.spy(cb1).was_called(1);
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52 assert.spy(cb2).was_called(1);
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53 assert.equal("bar", result);
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54 end);
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55 it("supports multiple :next() calls on the same promise", function ()
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56 local r;
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57 local result;
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58 local p = promise.new(function (resolve)
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59 r = resolve;
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60 end);
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61 local cb1 = spy.new(function (v)
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62 assert.equal("foo", v);
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63 result = v;
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64 end);
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65 local cb2 = spy.new(function (v)
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66 assert.equal("foo", v);
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67 result = v;
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68 end);
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69 p:next(cb1);
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70 p:next(cb2);
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71 assert.spy(cb1).was_called(0);
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72 assert.spy(cb2).was_called(0);
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73 r("foo");
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74 assert.spy(cb1).was_called(1);
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75 assert.spy(cb2).was_called(1);
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76 assert.equal("foo", result);
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77 end);
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78 it("automatically rejects on error", function ()
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79 local r;
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80 local p = promise.new(function (resolve)
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81 r = resolve;
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82 error("oh no");
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83 end);
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84 local cb = spy.new(function () end);
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85 local err_cb = spy.new(function (v)
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86 assert.equal("oh no", v);
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87 end);
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88 p:next(cb, err_cb);
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89 assert.spy(cb).was_called(0);
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90 assert.spy(err_cb).was_called(1);
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91 r("foo");
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92 assert.spy(cb).was_called(0);
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93 assert.spy(err_cb).was_called(1);
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94 end);
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95 it("supports reject()", function ()
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96 local r, result;
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97 local p = promise.new(function (resolve, reject)
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98 r = reject;
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99 end);
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100 local cb = spy.new(function () end);
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101 local err_cb = spy.new(function (v)
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102 result = v;
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103 assert.equal("oh doh", v);
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104 end);
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105 p:next(cb, err_cb);
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106 assert.spy(cb).was_called(0);
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107 assert.spy(err_cb).was_called(0);
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108 r("oh doh");
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109 assert.spy(cb).was_called(0);
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110 assert.spy(err_cb).was_called(1);
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111 assert.equal("oh doh", result);
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112 end);
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113 it("supports chaining of rejected promises", function ()
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114 local r, result;
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115 local p = promise.new(function (resolve, reject)
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116 r = reject;
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117 end);
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118 local cb = spy.new(function () end);
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119 local err_cb = spy.new(function (v)
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120 result = v;
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121 assert.equal("oh doh", v);
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122 return "ok"
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123 end);
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124 local cb2 = spy.new(function (v)
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125 result = v;
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126 end);
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127 local err_cb2 = spy.new(function () end);
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128 p:next(cb, err_cb):next(cb2, err_cb2)
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129 assert.spy(cb).was_called(0);
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130 assert.spy(err_cb).was_called(0);
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131 assert.spy(cb2).was_called(0);
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132 assert.spy(err_cb2).was_called(0);
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133 r("oh doh");
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134 assert.spy(cb).was_called(0);
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135 assert.spy(err_cb).was_called(1);
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136 assert.spy(cb2).was_called(1);
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137 assert.spy(err_cb2).was_called(0);
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138 assert.equal("ok", result);
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139 end);
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140
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141 it("propagates errors down the chain, even when some handlers are not provided", function ()
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142 local r, result;
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143 local test_error = {};
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144 local p = promise.new(function (resolve, reject)
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145 r = reject;
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146 end);
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147 local cb = spy.new(function () end);
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148 local err_cb = spy.new(function (e) result = e end);
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149 local p2 = p:next(function () error(test_error) end);
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150 local p3 = p2:next(cb)
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151 p3:catch(err_cb);
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152 assert.spy(cb).was_called(0);
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153 assert.spy(err_cb).was_called(0);
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154 r("oh doh");
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155 assert.spy(cb).was_called(0);
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156 assert.spy(err_cb).was_called(1);
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157 assert.spy(err_cb).was_called_with("oh doh");
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158 assert.equal("oh doh", result);
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159 end);
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160
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161 it("propagates values down the chain, even when some handlers are not provided", function ()
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162 local r;
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163 local p = promise.new(function (resolve, reject)
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164 r = resolve;
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165 end);
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166 local cb = spy.new(function () end);
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167 local err_cb = spy.new(function () end);
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168 local p2 = p:next(function (v) return v; end);
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169 local p3 = p2:catch(err_cb)
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170 p3:next(cb);
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171 assert.spy(cb).was_called(0);
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172 assert.spy(err_cb).was_called(0);
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173 r(1337);
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174 assert.spy(cb).was_called(1);
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175 assert.spy(cb).was_called_with(1337);
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176 assert.spy(err_cb).was_called(0);
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177 end);
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178
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179 it("fulfilled promises do not call error handlers and do propagate value", function ()
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180 local p = promise.resolve("foo");
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181 local cb = spy.new(function () end);
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182 local p2 = p:catch(cb);
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183 assert.spy(cb).was_called(0);
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184
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185 local cb2 = spy.new(function () end);
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186 p2:catch(cb2);
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187 assert.spy(cb2).was_called(0);
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188 end);
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189
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190 it("rejected promises do not call fulfilled handlers and do propagate reason", function ()
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191 local p = promise.reject("foo");
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192 local cb = spy.new(function () end);
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193 local p2 = p:next(cb);
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194 assert.spy(cb).was_called(0);
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195
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196 local cb2 = spy.new(function () end);
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197 local cb2_err = spy.new(function () end);
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198 p2:next(cb2, cb2_err);
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199 assert.spy(cb2).was_called(0);
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200 assert.spy(cb2_err).was_called(1);
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201 assert.spy(cb2_err).was_called_with("foo");
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202 end);
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203
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204 describe("allows callbacks to return", function ()
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205 it("pending promises", function ()
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206 local r;
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207 local p = promise.resolve()
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208 local cb = spy.new(function ()
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209 return promise.new(function (resolve)
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210 r = resolve;
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211 end);
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212 end);
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213 local cb2 = spy.new(function () end);
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214 p:next(cb):next(cb2);
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215 assert.spy(cb).was_called(1);
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216 assert.spy(cb2).was_called(0);
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217 r("hello");
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218 assert.spy(cb).was_called(1);
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219 assert.spy(cb2).was_called(1);
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220 assert.spy(cb2).was_called_with("hello");
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221 end);
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222
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223 it("resolved promises", function ()
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224 local p = promise.resolve()
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225 local cb = spy.new(function ()
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226 return promise.resolve("hello");
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227 end);
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228 local cb2 = spy.new(function () end);
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229 p:next(cb):next(cb2);
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230 assert.spy(cb).was_called(1);
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231 assert.spy(cb2).was_called(1);
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232 assert.spy(cb2).was_called_with("hello");
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233 end);
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234
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235 it("rejected promises", function ()
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236 local p = promise.resolve()
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237 local cb = spy.new(function ()
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238 return promise.reject("hello");
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239 end);
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240 local cb2 = spy.new(function ()
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241 return promise.reject("goodbye");
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242 end);
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243 local cb3 = spy.new(function () end);
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244 p:next(cb):catch(cb2):catch(cb3);
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245 assert.spy(cb).was_called(1);
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246 assert.spy(cb2).was_called(1);
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247 assert.spy(cb2).was_called_with("hello");
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248 assert.spy(cb3).was_called(1);
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249 assert.spy(cb3).was_called_with("goodbye");
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250 end);
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251
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252 it("ordinary values", function ()
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253 local p = promise.resolve()
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254 local cb = spy.new(function ()
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255 return "hello"
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256 end);
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257 local cb2 = spy.new(function () end);
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258 p:next(cb):next(cb2);
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259 assert.spy(cb).was_called(1);
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260 assert.spy(cb2).was_called(1);
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261 assert.spy(cb2).was_called_with("hello");
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262 end);
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263
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264 it("nil", function ()
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265 local p = promise.resolve()
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266 local cb = spy.new(function ()
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267 return
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268 end);
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269 local cb2 = spy.new(function () end);
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270 p:next(cb):next(cb2);
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271 assert.spy(cb).was_called(1);
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272 assert.spy(cb2).was_called(1);
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273 assert.spy(cb2).was_called_with(nil);
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274 end);
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275 end);
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276
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277 describe("race()", function ()
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278 it("works with fulfilled promises", function ()
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279 local p1, p2 = promise.resolve("yep"), promise.resolve("nope");
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280 local p = promise.race({ p1, p2 });
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281 local result;
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282 p:next(function (v)
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283 result = v;
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284 end);
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285 assert.equal("yep", result);
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286 end);
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287 it("works with pending promises", function ()
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288 local r1, r2;
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289 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
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290 local p = promise.race({ p1, p2 });
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291
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292 local result;
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293 local cb = spy.new(function (v)
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294 result = v;
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295 end);
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296 p:next(cb);
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297 assert.spy(cb).was_called(0);
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298 r2("yep");
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299 r1("nope");
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300 assert.spy(cb).was_called(1);
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301 assert.equal("yep", result);
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302 end);
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303 end);
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304 describe("all()", function ()
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305 it("works with fulfilled promises", function ()
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306 local p1, p2 = promise.resolve("yep"), promise.resolve("nope");
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307 local p = promise.all({ p1, p2 });
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308 local result;
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309 p:next(function (v)
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310 result = v;
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311 end);
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312 assert.same({ "yep", "nope" }, result);
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313 end);
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314 it("works with pending promises", function ()
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315 local r1, r2;
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316 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
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317 local p = promise.all({ p1, p2 });
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318
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319 local result;
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320 local cb = spy.new(function (v)
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321 result = v;
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322 end);
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323 p:next(cb);
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324 assert.spy(cb).was_called(0);
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325 r2("yep");
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326 assert.spy(cb).was_called(0);
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327 r1("nope");
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328 assert.spy(cb).was_called(1);
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329 assert.same({ "nope", "yep" }, result);
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330 end);
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331 it("rejects if any promise rejects", function ()
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332 local r1, r2;
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333 local p1 = promise.new(function (resolve, reject) r1 = reject end);
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334 local p2 = promise.new(function (resolve, reject) r2 = reject end);
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335 local p = promise.all({ p1, p2 });
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336
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337 local result;
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338 local cb = spy.new(function (v)
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339 result = v;
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340 end);
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341 local cb_err = spy.new(function (v)
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342 result = v;
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343 end);
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344 p:next(cb, cb_err);
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345 assert.spy(cb).was_called(0);
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346 assert.spy(cb_err).was_called(0);
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347 r2("fail");
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348 assert.spy(cb).was_called(0);
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349 assert.spy(cb_err).was_called(1);
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350 r1("nope");
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351 assert.spy(cb).was_called(0);
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352 assert.spy(cb_err).was_called(1);
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353 assert.equal("fail", result);
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354 end);
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355 it("works with non-numeric keys", function ()
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356 local r1, r2;
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357 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
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358 local p = promise.all({ [true] = p1, [false] = p2 });
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359
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360 local result;
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361 local cb = spy.new(function (v)
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diff changeset
362 result = v;
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parents: 10922
diff changeset
363 end);
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parents: 10922
diff changeset
364 p:next(cb);
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parents: 10922
diff changeset
365 assert.spy(cb).was_called(0);
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parents: 10922
diff changeset
366 r2("yep");
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parents: 10922
diff changeset
367 assert.spy(cb).was_called(0);
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parents: 10922
diff changeset
368 r1("nope");
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parents: 10922
diff changeset
369 assert.spy(cb).was_called(1);
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parents: 10922
diff changeset
370 assert.same({ [true] = "nope", [false] = "yep" }, result);
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parents: 10922
diff changeset
371 end);
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parents: 11484
diff changeset
372 it("passes through non-promise values", function ()
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diff changeset
373 local r1;
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parents: 11484
diff changeset
374 local p1 = promise.new(function (resolve) r1 = resolve end);
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parents: 11484
diff changeset
375 local p = promise.all({ [true] = p1, [false] = "yep" });
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parents: 11484
diff changeset
376
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parents: 11484
diff changeset
377 local result;
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parents: 11484
diff changeset
378 local cb = spy.new(function (v)
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diff changeset
379 result = v;
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parents: 11484
diff changeset
380 end);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
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parents: 11484
diff changeset
381 p:next(cb);
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parents: 11484
diff changeset
382 assert.spy(cb).was_called(0);
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parents: 11484
diff changeset
383 r1("nope");
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parents: 11484
diff changeset
384 assert.spy(cb).was_called(1);
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parents: 11484
diff changeset
385 assert.same({ [true] = "nope", [false] = "yep" }, result);
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parents: 11484
diff changeset
386 end);
9456
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387 end);
10922
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
388 describe("all_settled()", function ()
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parents: 10297
diff changeset
389 it("works with fulfilled promises", function ()
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parents: 10297
diff changeset
390 local p1, p2 = promise.resolve("yep"), promise.resolve("nope");
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parents: 10297
diff changeset
391 local p = promise.all_settled({ p1, p2 });
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
392 local result;
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parents: 10297
diff changeset
393 p:next(function (v)
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
394 result = v;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
395 end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
396 assert.same({
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
397 { status = "fulfilled", value = "yep" };
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
398 { status = "fulfilled", value = "nope" };
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
399 }, result);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
400 end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
401 it("works with pending promises", function ()
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
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parents: 10297
diff changeset
402 local r1, r2;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
403 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
404 local p = promise.all_settled({ p1, p2 });
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
405
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
406 local result;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
407 local cb = spy.new(function (v)
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
408 result = v;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
409 end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
410 p:next(cb);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
411 assert.spy(cb).was_called(0);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
412 r2("yep");
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
413 assert.spy(cb).was_called(0);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
414 r1("nope");
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
415 assert.spy(cb).was_called(1);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
416 assert.same({
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
417 { status = "fulfilled", value = "nope" };
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
418 { status = "fulfilled", value = "yep" };
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
419 }, result);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
420 end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
421 it("works when some promises reject", function ()
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
422 local r1, r2;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
423 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (_, reject) r2 = reject end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
424 local p = promise.all_settled({ p1, p2 });
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
425
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
426 local result;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
427 local cb = spy.new(function (v)
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
428 result = v;
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
429 end);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
430 p:next(cb);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
431 assert.spy(cb).was_called(0);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
432 r2("this fails");
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
433 assert.spy(cb).was_called(0);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
434 r1("this succeeds");
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
435 assert.spy(cb).was_called(1);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
436 assert.same({
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
437 { status = "fulfilled", value = "this succeeds" };
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
438 { status = "rejected", reason = "this fails" };
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
439 }, result);
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
440 end);
11483
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
441 it("works with non-numeric keys", function ()
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
442 local r1, r2;
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
443 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
444 local p = promise.all_settled({ foo = p1, bar = p2 });
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
445
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
446 local result;
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
447 local cb = spy.new(function (v)
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
448 result = v;
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
449 end);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
450 p:next(cb);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
451 assert.spy(cb).was_called(0);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
452 r2("yep");
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
453 assert.spy(cb).was_called(0);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
454 r1("nope");
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
455 assert.spy(cb).was_called(1);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
456 assert.same({
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
457 foo = { status = "fulfilled", value = "nope" };
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
458 bar = { status = "fulfilled", value = "yep" };
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
459 }, result);
24ce9d380475 util.promise: Add support for arbitrary keys in all()/all_settled()
Matthew Wild <mwild1@gmail.com>
parents: 10922
diff changeset
460 end);
11485
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
461 it("passes through non-promise values", function ()
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
462 local r1;
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
463 local p1 = promise.new(function (resolve) r1 = resolve end);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
464 local p = promise.all_settled({ foo = p1, bar = "yep" });
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
465
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
466 local result;
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
467 local cb = spy.new(function (v)
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
468 result = v;
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
469 end);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
470 p:next(cb);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
471 assert.spy(cb).was_called(0);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
472 r1("nope");
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
473 assert.spy(cb).was_called(1);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
474 assert.same({
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
475 foo = { status = "fulfilled", value = "nope" };
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
476 bar = "yep";
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
477 }, result);
7d42ed3a8a40 util.promise: all()/all_settled() pass through non-promise values
Matthew Wild <mwild1@gmail.com>
parents: 11484
diff changeset
478 end);
10922
7d3dbb9eb3eb util.promise: Add all_settled, which follows semantics of allSettled from ES2020
Matthew Wild <mwild1@gmail.com>
parents: 10297
diff changeset
479 end);
9456
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
480 describe("catch()", function ()
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
481 it("works", function ()
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
482 local result;
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
483 local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
484 error({ foo = true });
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
485 end);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
486 local cb1 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
487 result = v;
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
488 end);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
489 assert.spy(cb1).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
490 p:catch(cb1);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
491 assert.spy(cb1).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
492 assert.same({ foo = true }, result);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
493 end);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
494 end);
11484
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
495 describe("join()", function ()
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
496 it("works", function ()
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
497 local r1, r2;
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
498 local res1, res2;
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
499 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
500
11486
78d843faaffc util.promise: Switch order of parameters to join()
Matthew Wild <mwild1@gmail.com>
parents: 11485
diff changeset
501 local p = promise.join(function (_res1, _res2)
11484
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
502 res1, res2 = _res1, _res2;
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
503 return promise.resolve("works");
11486
78d843faaffc util.promise: Switch order of parameters to join()
Matthew Wild <mwild1@gmail.com>
parents: 11485
diff changeset
504 end, p1, p2);
11484
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
505
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
506 local result;
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
507 local cb = spy.new(function (v)
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
508 result = v;
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
509 end);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
510 p:next(cb);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
511 assert.spy(cb).was_called(0);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
512 r2("yep");
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
513 assert.spy(cb).was_called(0);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
514 r1("nope");
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
515 assert.spy(cb).was_called(1);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
516 assert.same("works", result);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
517 assert.equals("nope", res1);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
518 assert.equals("yep", res2);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
519 end);
a0120e935442 util.promise: Add join() convenience method
Matthew Wild <mwild1@gmail.com>
parents: 11483
diff changeset
520 end);
9456
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
521 it("promises may be resolved by other promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
522 local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
523 local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
524
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
525 local result;
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
526 local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
527 result = v;
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
528 end);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
529 p1:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
530 assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
531
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
532 r1(p2);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
533 assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
534 r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
535 assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
536 assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
537 end);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
538 describe("reject()", function ()
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
539 it("returns a rejected promise", function ()
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
540 local p = promise.reject("foo");
9457
d01cff2f7a26 util.promise tests: Fix luacheck warnings
Matthew Wild <mwild1@gmail.com>
parents: 9456
diff changeset
541 local cb = spy.new(function () end);
9510
8ef46d09386a util.promise: Fix promise.reject() to return a rejected promise, and fix buggy test for it
Matthew Wild <mwild1@gmail.com>
parents: 9457
diff changeset
542 p:catch(cb);
9456
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
543 assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
544 assert.spy(cb).was_called_with("foo");
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
545 end);
9511
cb88d729e98d util.promise: Add additional test for promise.reject()
Matthew Wild <mwild1@gmail.com>
parents: 9510
diff changeset
546 it("returns a rejected promise and does not call on_fulfilled", function ()
cb88d729e98d util.promise: Add additional test for promise.reject()
Matthew Wild <mwild1@gmail.com>
parents: 9510
diff changeset
547 local p = promise.reject("foo");
cb88d729e98d util.promise: Add additional test for promise.reject()
Matthew Wild <mwild1@gmail.com>
parents: 9510
diff changeset
548 local cb = spy.new(function () end);
cb88d729e98d util.promise: Add additional test for promise.reject()
Matthew Wild <mwild1@gmail.com>
parents: 9510
diff changeset
549 p:next(cb);
cb88d729e98d util.promise: Add additional test for promise.reject()
Matthew Wild <mwild1@gmail.com>
parents: 9510
diff changeset
550 assert.spy(cb).was_called(0);
cb88d729e98d util.promise: Add additional test for promise.reject()
Matthew Wild <mwild1@gmail.com>
parents: 9510
diff changeset
551 end);
9456
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
552 end);
9514
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
553 describe("finally()", function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
554 local p, p2, resolve, reject, on_finally;
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
555 before_each(function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
556 p = promise.new(function (_resolve, _reject)
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
557 resolve, reject = _resolve, _reject;
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
558 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
559 on_finally = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
560 p2 = p:finally(on_finally);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
561 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
562 it("runs when a promise is resolved", function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
563 assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
564 resolve("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
565 assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
566 assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
567 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
568 it("runs when a promise is rejected", function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
569 assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
570 reject("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
571 assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
572 assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
573 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
574 it("returns a promise that fulfills with the original value", function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
575 local cb2 = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
576 p2:next(cb2);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
577 assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
578 assert.spy(cb2).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
579 resolve("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
580 assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
581 assert.spy(cb2).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
582 assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
583 assert.spy(cb2).was_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
584 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
585 it("returns a promise that rejects with the original error", function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
586 local on_finally_err = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
587 local on_finally_ok = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
588 p2:catch(on_finally_err);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
589 p2:next(on_finally_ok);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
590 assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
591 assert.spy(on_finally_err).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
592 reject("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
593 assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
594 -- Since the original promise was rejected, the finally promise should also be
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
595 assert.spy(on_finally_ok).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
596 assert.spy(on_finally_err).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
597 assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
598 assert.spy(on_finally_err).was_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
599 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
600 it("returns a promise that rejects with an uncaught error inside on_finally", function ()
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
601 p = promise.new(function (_resolve, _reject)
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
602 resolve, reject = _resolve, _reject;
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
603 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
604 local test_error = {};
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
605 on_finally = spy.new(function () error(test_error) end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
606 p2 = p:finally(on_finally);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
607
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
608 local on_finally_err = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
609 p2:catch(on_finally_err);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
610 assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
611 assert.spy(on_finally_err).was_called(0);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
612 reject("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
613 assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
614 assert.spy(on_finally_err).was_called(1);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
615 assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
616 assert.spy(on_finally).was_not_called_with(test_error);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
617 assert.spy(on_finally_err).was_called_with(test_error);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
618 end);
9db707a86a25 util.promise: Add promise:finally()
Matthew Wild <mwild1@gmail.com>
parents: 9511
diff changeset
619 end);
9517
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
620 describe("try()", function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
621 it("works with functions that return a promise", function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
622 local resolve;
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
623 local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
624 return promise.new(function (_resolve)
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
625 resolve = _resolve;
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
626 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
627 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
628 assert.is_function(resolve);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
629 local on_resolved = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
630 p:next(on_resolved);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
631 assert.spy(on_resolved).was_not_called();
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
632 resolve("foo");
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
633 assert.spy(on_resolved).was_called_with("foo");
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
634 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
635
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
636 it("works with functions that return a value", function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
637 local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
638 return "foo";
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
639 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
640 local on_resolved = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
641 p:next(on_resolved);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
642 assert.spy(on_resolved).was_called_with("foo");
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
643 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
644
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
645 it("works with functions that return a promise that rejects", function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
646 local reject;
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
647 local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
648 return promise.new(function (_, _reject)
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
649 reject = _reject;
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
650 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
651 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
652 assert.is_function(reject);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
653 local on_rejected = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
654 p:catch(on_rejected);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
655 assert.spy(on_rejected).was_not_called();
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
656 reject("foo");
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
657 assert.spy(on_rejected).was_called_with("foo");
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
658 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
659
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
660 it("works with functions that throw errors", function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
661 local test_error = {};
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
662 local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
663 error(test_error);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
664 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
665 local on_rejected = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
666 p:catch(on_rejected);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
667 assert.spy(on_rejected).was_called(1);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
668 assert.spy(on_rejected).was_called_with(test_error);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
669 end);
b1c6ede17592 util.promise: Add promise.try()
Matthew Wild <mwild1@gmail.com>
parents: 9514
diff changeset
670 end);
11947
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
671 describe("set_nexttick()", function ()
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
672 it("works", function ()
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
673 local next_tick = spy.new(function (f)
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
674 f();
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
675 end)
11951
6d9e3f541830 util.promise: Fix test
Kim Alvefur <zash@zash.se>
parents: 11947
diff changeset
676 local cb = spy.new(function () end);
11947
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
677 promise.set_nexttick(next_tick);
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
678 promise.new(function (y, _)
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
679 y("okay");
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
680 end):next(cb);
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
681 assert.spy(next_tick).was.called();
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
682 assert.spy(cb).was.called_with("okay");
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
683 end);
073e53b72792 util.promise: Support delayed promise execution
Kim Alvefur <zash@zash.se>
parents: 11727
diff changeset
684 end)
9456
d54a0e129af8 util.promise: ES6-like API for promises
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
685 end);