Software / code / prosody
Annotate
spec/util_array_spec.lua @ 11432:113f3912c7cb
util: Add Teal interface definition files
Enables writing code in Teal that is aware of the interfaces and
function prototypes in these other utils.
Could also be used to do type checks on Lua sources, but this tends to
have a lot of noise.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Tue, 09 Mar 2021 14:36:46 +0100 |
| parent | 10590:257dc26e8e65 |
| child | 11787:3ae6fa901a8b |
| rev | line source |
|---|---|
| 10100 | 1 local array = require "util.array"; |
| 2 describe("util.array", function () | |
| 3 describe("creation", function () | |
| 10397 | 4 describe("from table", function () |
| 10100 | 5 it("works", function () |
| 6 local a = array({"a", "b", "c"}); | |
| 7 assert.same({"a", "b", "c"}, a); | |
| 8 end); | |
| 9 end); | |
| 10 | |
| 11 describe("from iterator", function () | |
| 12 it("works", function () | |
| 13 -- collects the first value, ie the keys | |
| 14 local a = array(ipairs({true, true, true})); | |
| 15 assert.same({1, 2, 3}, a); | |
| 16 end); | |
| 17 end); | |
| 18 | |
| 19 describe("collect", function () | |
| 20 it("works", function () | |
| 21 -- collects the first value, ie the keys | |
| 22 local a = array.collect(ipairs({true, true, true})); | |
| 23 assert.same({1, 2, 3}, a); | |
| 24 end); | |
| 25 end); | |
| 26 | |
| 27 end); | |
| 28 | |
| 29 describe("metatable", function () | |
| 30 describe("operator", function () | |
| 31 describe("addition", function () | |
| 32 it("works", function () | |
| 33 local a = array({ "a", "b" }); | |
| 34 local b = array({ "c", "d" }); | |
| 35 assert.same({"a", "b", "c", "d"}, a + b); | |
| 36 end); | |
| 37 end); | |
| 38 | |
| 39 describe("equality", function () | |
| 40 it("works", function () | |
| 41 local a1 = array({ "a", "b" }); | |
| 42 local a2 = array({ "a", "b" }); | |
| 43 local b = array({ "c", "d" }); | |
| 44 assert.truthy(a1 == a2); | |
| 45 assert.falsy(a1 == b); | |
|
10590
257dc26e8e65
util.array: Add a test case for a behavior change in Lua 5.3
Kim Alvefur <zash@zash.se>
parents:
10397
diff
changeset
|
46 assert.falsy(a1 == { "a", "b" }, "Behavior of metatables changed in Lua 5.3"); |
| 10100 | 47 end); |
| 48 end); | |
| 49 | |
| 50 describe("division", function () | |
| 51 it("works", function () | |
| 52 local a = array({ "a", "b", "c" }); | |
| 53 local b = a / function (i) if i ~= "b" then return i .. "x" end end; | |
| 54 assert.same({ "ax", "cx" }, b); | |
| 55 end); | |
| 56 end); | |
| 57 | |
| 58 end); | |
| 59 end); | |
| 60 | |
| 61 describe("methods", function () | |
| 62 describe("map", function () | |
| 63 it("works", function () | |
| 64 local a = array({ "a", "b", "c" }); | |
| 65 local b = a:map(string.upper); | |
| 66 assert.same({ "A", "B", "C" }, b); | |
| 67 end); | |
| 68 end); | |
| 69 | |
| 70 describe("filter", function () | |
| 71 it("works", function () | |
| 72 local a = array({ "a", "b", "c" }); | |
| 73 a:filter(function (i) return i ~= "b" end); | |
| 74 assert.same({ "a", "c" }, a); | |
| 75 end); | |
| 76 end); | |
| 77 | |
| 78 describe("sort", function () | |
| 79 it("works", function () | |
| 80 local a = array({ 5, 4, 3, 1, 2, }); | |
| 81 a:sort(); | |
| 82 assert.same({ 1, 2, 3, 4, 5, }, a); | |
| 83 end); | |
| 84 end); | |
| 85 | |
| 86 describe("unique", function () | |
| 87 it("works", function () | |
| 88 local a = array({ "a", "b", "c", "c", "a", "b" }); | |
| 89 a:unique(); | |
| 90 assert.same({ "a", "b", "c" }, a); | |
| 91 end); | |
| 92 end); | |
| 93 | |
| 94 describe("pluck", function () | |
| 95 it("works", function () | |
| 96 local a = array({ { a = 1, b = -1 }, { a = 2, b = -2 }, }); | |
| 97 a:pluck("a"); | |
| 98 assert.same({ 1, 2 }, a); | |
| 99 end); | |
| 100 end); | |
| 101 | |
| 102 | |
| 103 describe("reverse", function () | |
| 104 it("works", function () | |
| 105 local a = array({ "a", "b", "c" }); | |
| 106 a:reverse(); | |
| 107 assert.same({ "c", "b", "a" }, a); | |
| 108 end); | |
| 109 end); | |
| 110 | |
| 111 -- TODO :shuffle | |
| 112 | |
| 113 describe("append", function () | |
| 114 it("works", function () | |
| 115 local a = array({ "a", "b", "c" }); | |
| 116 a:append(array({ "d", "e", })); | |
| 117 assert.same({ "a", "b", "c", "d", "e" }, a); | |
| 118 end); | |
| 119 end); | |
| 120 | |
| 121 describe("push", function () | |
| 122 it("works", function () | |
| 123 local a = array({ "a", "b", "c" }); | |
| 124 a:push("d"):push("e"); | |
| 125 assert.same({ "a", "b", "c", "d", "e" }, a); | |
| 126 end); | |
| 127 end); | |
| 128 | |
| 129 describe("pop", function () | |
| 130 it("works", function () | |
| 131 local a = array({ "a", "b", "c" }); | |
| 132 assert.equal("c", a:pop()); | |
| 133 assert.same({ "a", "b", }, a); | |
| 134 end); | |
| 135 end); | |
| 136 | |
| 137 describe("concat", function () | |
| 138 it("works", function () | |
| 139 local a = array({ "a", "b", "c" }); | |
| 140 assert.equal("a,b,c", a:concat(",")); | |
| 141 end); | |
| 142 end); | |
| 143 | |
| 144 describe("length", function () | |
| 145 it("works", function () | |
| 146 local a = array({ "a", "b", "c" }); | |
| 147 assert.equal(3, a:length()); | |
| 148 end); | |
| 149 end); | |
| 150 | |
| 151 end); | |
| 152 | |
| 153 -- TODO The various array.foo(array ina, array outa) functions | |
| 154 end); | |
| 155 |
