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spec/util_async_spec.lua @ 8607:62bb06cf8a43
util.async: Add tests to specifically cover error handling
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 16 Mar 2018 17:50:16 +0000 |
| parent | 8605:3a1efc0532cb |
| child | 8608:a2e6caf5848d |
| rev | line source |
|---|---|
| 8605 | 1 local async = require "util.async"; |
| 2 | |
| 3 describe("util.async", function() | |
| 4 local debug = false; | |
| 5 local print = print; | |
| 6 if debug then | |
| 7 require "util.logger".add_simple_sink(print); | |
| 8 else | |
| 9 print = function () end | |
| 10 end | |
| 11 local function new(func, name) | |
| 12 local log = {}; | |
| 13 return async.runner(func, setmetatable({}, { | |
| 14 __index = function (_, event) | |
| 15 return function (runner, err) | |
| 16 print(name, "event", event, err) | |
| 17 print "--" | |
| 18 table.insert(log, { event = event, err = err }); | |
| 19 end; | |
| 20 end; | |
| 21 })), log; | |
| 22 end | |
| 23 describe("#runner", function() | |
| 24 it("should work", function() | |
| 25 local r, l = new(function (item) assert(type(item) == "number") end); | |
| 26 r:run(1); | |
| 27 r:run(2); | |
| 28 end); | |
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29 |
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30 it("should be ready after creation", function () |
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31 local r = async.runner(function (item) end); |
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32 assert.equal(r.state, "ready"); |
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33 end); |
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34 |
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35 describe("#errors", function () |
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36 local last_processed_item, last_error; |
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37 local r; |
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38 r = async.runner(function (item) |
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39 if item == "error" then |
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40 error({ e = "test error" }); |
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41 end |
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42 last_processed_item = item; |
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43 end, { |
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44 error = function (runner, err) |
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45 assert.equal(r, runner); |
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46 last_error = err; |
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47 end; |
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48 }); |
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49 |
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50 randomize(false); |
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51 |
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52 it("should notify", function () |
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53 local last_processed_item, last_error; |
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54 local r; |
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55 r = async.runner(function (item) |
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56 if item == "error" then |
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57 error({ e = "test error" }); |
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58 end |
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59 last_processed_item = item; |
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60 end, { |
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61 error = function (runner, err) |
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62 assert.equal(r, runner); |
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63 last_error = err; |
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64 end; |
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65 }); |
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66 |
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67 r:run("hello"); |
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68 assert.equal(r.state, "ready"); |
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69 assert.equal(last_processed_item, "hello"); |
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70 |
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71 assert.equal(last_error, nil); |
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72 r:run("error"); |
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73 assert.is_table(last_error); |
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74 assert.equal(last_error.e, "test error"); |
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75 last_error = nil; |
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76 assert.equal(r.state, "ready"); |
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77 assert.equal(last_processed_item, "hello"); |
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78 end); |
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79 it("should not be fatal to the runner", function () |
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80 r:run("world"); |
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81 assert.equal(r.state, "ready"); |
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82 assert.equal(last_processed_item, "world"); |
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83 end); |
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84 end); |
| 8605 | 85 end); |
| 86 describe("#waiter", function() | |
| 87 it("should work", function () | |
| 88 local wait, done; | |
| 89 | |
| 90 local r, l = new(function (item) | |
| 91 assert(type(item) == "number") | |
| 92 if item == 3 then | |
| 93 wait, done = async.waiter(); | |
| 94 wait(); | |
| 95 end | |
| 96 end); | |
| 97 | |
| 98 r:run(1); | |
| 99 assert(r.state == "ready"); | |
| 100 r:run(2); | |
| 101 assert(r.state == "ready"); | |
| 102 r:run(3); | |
| 103 assert(r.state == "waiting"); | |
| 104 done(); | |
| 105 assert(r.state == "ready"); | |
| 106 --for k, v in ipairs(l) do print(k,v) end | |
| 107 end); | |
| 108 | |
| 109 it("should work", function () | |
| 110 -------------------- | |
| 111 local wait, done; | |
| 112 local last_item = 0; | |
| 113 local r, l = new(function (item) | |
| 114 assert(type(item) == "number") | |
| 115 assert(item == last_item + 1); | |
| 116 last_item = item; | |
| 117 if item == 3 then | |
| 118 wait, done = async.waiter(); | |
| 119 wait(); | |
| 120 end | |
| 121 end); | |
| 122 | |
| 123 r:run(1); | |
| 124 assert(r.state == "ready"); | |
| 125 r:run(2); | |
| 126 assert(r.state == "ready"); | |
| 127 r:run(3); | |
| 128 assert(r.state == "waiting"); | |
| 129 r:run(4); | |
| 130 assert(r.state == "waiting"); | |
| 131 done(); | |
| 132 assert(r.state == "ready"); | |
| 133 --for k, v in ipairs(l) do print(k,v) end | |
| 134 end); | |
| 135 it("should work", function () | |
| 136 -------------------- | |
| 137 local wait, done; | |
| 138 local last_item = 0; | |
| 139 local r, l = new(function (item) | |
| 140 assert(type(item) == "number") | |
| 141 assert((item == last_item + 1) or item == 3); | |
| 142 last_item = item; | |
| 143 if item == 3 then | |
| 144 wait, done = async.waiter(); | |
| 145 wait(); | |
| 146 end | |
| 147 end); | |
| 148 | |
| 149 r:run(1); | |
| 150 assert(r.state == "ready"); | |
| 151 r:run(2); | |
| 152 assert(r.state == "ready"); | |
| 153 | |
| 154 local dones = {}; | |
| 155 r:run(3); | |
| 156 assert(r.state == "waiting"); | |
| 157 r:run(3); | |
| 158 assert(r.state == "waiting"); | |
| 159 r:run(3); | |
| 160 assert(r.state == "waiting"); | |
| 161 r:run(4); | |
| 162 assert(r.state == "waiting"); | |
| 163 | |
| 164 for i = 1, 3 do | |
| 165 done(); | |
| 166 if i < 3 then | |
| 167 assert(r.state == "waiting"); | |
| 168 end | |
| 169 end | |
| 170 | |
| 171 assert(r.state == "ready"); | |
| 172 --for k, v in ipairs(l) do print(k,v) end | |
| 173 end); | |
| 174 it("should work", function () | |
| 175 -------------------- | |
| 176 local wait, done; | |
| 177 local last_item = 0; | |
| 178 local r, l = new(function (item) | |
| 179 assert(type(item) == "number") | |
| 180 assert((item == last_item + 1) or item == 3); | |
| 181 last_item = item; | |
| 182 if item == 3 then | |
| 183 wait, done = async.waiter(); | |
| 184 wait(); | |
| 185 end | |
| 186 end); | |
| 187 | |
| 188 r:run(1); | |
| 189 assert(r.state == "ready"); | |
| 190 r:run(2); | |
| 191 assert(r.state == "ready"); | |
| 192 | |
| 193 local dones = {}; | |
| 194 r:run(3); | |
| 195 assert(r.state == "waiting"); | |
| 196 r:run(3); | |
| 197 assert(r.state == "waiting"); | |
| 198 | |
| 199 for i = 1, 2 do | |
| 200 done(); | |
| 201 if i < 2 then | |
| 202 assert(r.state == "waiting"); | |
| 203 end | |
| 204 end | |
| 205 | |
| 206 assert(r.state == "ready"); | |
| 207 r:run(4); | |
| 208 assert(r.state == "ready"); | |
| 209 | |
| 210 assert(r.state == "ready"); | |
| 211 --for k, v in ipairs(l) do print(k,v) end | |
| 212 end); | |
| 213 it("should work with multiple runners in parallel", function () | |
| 214 -- Now with multiple runners | |
| 215 -------------------- | |
| 216 local wait1, done1; | |
| 217 local last_item1 = 0; | |
| 218 local r1, l1 = new(function (item) | |
| 219 assert(type(item) == "number") | |
| 220 assert((item == last_item1 + 1) or item == 3); | |
| 221 last_item1 = item; | |
| 222 if item == 3 then | |
| 223 wait1, done1 = async.waiter(); | |
| 224 wait1(); | |
| 225 end | |
| 226 end, "r1"); | |
| 227 | |
| 228 local wait2, done2; | |
| 229 local last_item2 = 0; | |
| 230 local r2, l2 = new(function (item) | |
| 231 assert(type(item) == "number") | |
| 232 assert((item == last_item2 + 1) or item == 3); | |
| 233 last_item2 = item; | |
| 234 if item == 3 then | |
| 235 wait2, done2 = async.waiter(); | |
| 236 wait2(); | |
| 237 end | |
| 238 end, "r2"); | |
| 239 | |
| 240 r1:run(1); | |
| 241 assert(r1.state == "ready"); | |
| 242 r1:run(2); | |
| 243 assert(r1.state == "ready"); | |
| 244 | |
| 245 local dones = {}; | |
| 246 r1:run(3); | |
| 247 assert(r1.state == "waiting"); | |
| 248 r1:run(3); | |
| 249 assert(r1.state == "waiting"); | |
| 250 | |
| 251 r2:run(1); | |
| 252 assert(r1.state == "waiting"); | |
| 253 assert(r2.state == "ready"); | |
| 254 | |
| 255 r2:run(2); | |
| 256 assert(r1.state == "waiting"); | |
| 257 assert(r2.state == "ready"); | |
| 258 | |
| 259 r2:run(3); | |
| 260 assert(r1.state == "waiting"); | |
| 261 assert(r2.state == "waiting"); | |
| 262 done2(); | |
| 263 | |
| 264 r2:run(3); | |
| 265 assert(r1.state == "waiting"); | |
| 266 assert(r2.state == "waiting"); | |
| 267 done2(); | |
| 268 | |
| 269 r2:run(4); | |
| 270 assert(r1.state == "waiting"); | |
| 271 assert(r2.state == "ready"); | |
| 272 | |
| 273 for i = 1, 2 do | |
| 274 done1(); | |
| 275 if i < 2 then | |
| 276 assert(r1.state == "waiting"); | |
| 277 end | |
| 278 end | |
| 279 | |
| 280 assert(r1.state == "ready"); | |
| 281 r1:run(4); | |
| 282 assert(r1.state == "ready"); | |
| 283 | |
| 284 assert(r1.state == "ready"); | |
| 285 --for k, v in ipairs(l1) do print(k,v) end | |
| 286 end); | |
| 287 it("should work work with multiple runners in parallel", function () | |
| 288 -------------------- | |
| 289 local wait1, done1; | |
| 290 local last_item1 = 0; | |
| 291 local r1, l1 = new(function (item) | |
| 292 print("r1 processing ", item); | |
| 293 assert(type(item) == "number") | |
| 294 assert((item == last_item1 + 1) or item == 3); | |
| 295 last_item1 = item; | |
| 296 if item == 3 then | |
| 297 wait1, done1 = async.waiter(); | |
| 298 wait1(); | |
| 299 end | |
| 300 end, "r1"); | |
| 301 | |
| 302 local wait2, done2; | |
| 303 local last_item2 = 0; | |
| 304 local r2, l2 = new(function (item) | |
| 305 print("r2 processing ", item); | |
| 306 assert.is_number(item); | |
| 307 assert((item == last_item2 + 1) or item == 3); | |
| 308 last_item2 = item; | |
| 309 if item == 3 then | |
| 310 wait2, done2 = async.waiter(); | |
| 311 wait2(); | |
| 312 end | |
| 313 end, "r2"); | |
| 314 | |
| 315 r1:run(1); | |
| 316 assert.equal(r1.state, "ready"); | |
| 317 r1:run(2); | |
| 318 assert.equal(r1.state, "ready"); | |
| 319 | |
| 320 r1:run(5); | |
| 321 assert.equal(r1.state, "ready"); | |
| 322 | |
| 323 local dones = {}; | |
| 324 r1:run(3); | |
| 325 assert.equal(r1.state, "waiting"); | |
| 326 r1:run(5); -- Will error, when we get to it | |
| 327 assert.equal(r1.state, "waiting"); | |
| 328 done1(); | |
| 329 assert.equal(r1.state, "ready"); | |
| 330 r1:run(3); | |
| 331 assert.equal(r1.state, "waiting"); | |
| 332 | |
| 333 r2:run(1); | |
| 334 assert.equal(r1.state, "waiting"); | |
| 335 assert.equal(r2.state, "ready"); | |
| 336 | |
| 337 r2:run(2); | |
| 338 assert.equal(r1.state, "waiting"); | |
| 339 assert.equal(r2.state, "ready"); | |
| 340 | |
| 341 r2:run(3); | |
| 342 assert.equal(r1.state, "waiting"); | |
| 343 assert.equal(r2.state, "waiting"); | |
| 344 | |
| 345 done2(); | |
| 346 assert.equal(r1.state, "waiting"); | |
| 347 assert.equal(r2.state, "ready"); | |
| 348 | |
| 349 r2:run(3); | |
| 350 assert.equal(r1.state, "waiting"); | |
| 351 assert.equal(r2.state, "waiting"); | |
| 352 | |
| 353 done2(); | |
| 354 assert.equal(r1.state, "waiting"); | |
| 355 assert.equal(r2.state, "ready"); | |
| 356 | |
| 357 r2:run(4); | |
| 358 assert.equal(r1.state, "waiting"); | |
| 359 assert.equal(r2.state, "ready"); | |
| 360 | |
| 361 done1(); | |
| 362 | |
| 363 assert.equal(r1.state, "ready"); | |
| 364 r1:run(4); | |
| 365 assert.equal(r1.state, "ready"); | |
| 366 | |
| 367 assert.equal(r1.state, "ready"); | |
| 368 --for k, v in ipairs(l1) do print(k,v) end | |
| 369 end); | |
| 370 end); | |
| 371 end); |
