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author | Matt A. Tobin <email@mattatobin.com> | 2018-02-09 06:46:43 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2018-02-09 06:46:43 -0500 |
commit | ac46df8daea09899ce30dc8fd70986e258c746bf (patch) | |
tree | 2750d3125fc253fd5b0671e4bd268eff1fd97296 /addon-sdk/source/test/test-functional.js | |
parent | 8cecf8d5208f3945b35f879bba3015bb1a11bec6 (diff) | |
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Move Add-on SDK source to toolkit/jetpack
Diffstat (limited to 'addon-sdk/source/test/test-functional.js')
-rw-r--r-- | addon-sdk/source/test/test-functional.js | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/addon-sdk/source/test/test-functional.js b/addon-sdk/source/test/test-functional.js deleted file mode 100644 index 02ae15fc6..000000000 --- a/addon-sdk/source/test/test-functional.js +++ /dev/null @@ -1,463 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ -"use strict"; - -const { setTimeout } = require('sdk/timers'); -const utils = require('sdk/lang/functional'); -const { invoke, defer, partial, compose, memoize, once, is, isnt, - delay, wrap, curry, chainable, field, query, isInstance, debounce, throttle -} = utils; -const { LoaderWithHookedConsole } = require('sdk/test/loader'); - -exports['test forwardApply'] = function(assert) { - function sum(b, c) { return this.a + b + c; } - assert.equal(invoke(sum, [2, 3], { a: 1 }), 6, - 'passed arguments and pseoude-variable are used'); - - assert.equal(invoke(sum.bind({ a: 2 }), [2, 3], { a: 1 }), 7, - 'bounded `this` pseoudo variable is used'); -}; - -exports['test deferred function'] = function(assert, done) { - let nextTurn = false; - function sum(b, c) { - assert.ok(nextTurn, 'enqueued is called in next turn of event loop'); - assert.equal(this.a + b + c, 6, - 'passed arguments an pseoude-variable are used'); - done(); - } - - let fixture = { a: 1, method: defer(sum) }; - fixture.method(2, 3); - nextTurn = true; -}; - -exports['test partial function'] = function(assert) { - function sum(b, c) { return this.a + b + c; } - - let foo = { a : 5 }; - - foo.sum7 = partial(sum, 7); - foo.sum8and4 = partial(sum, 8, 4); - - assert.equal(foo.sum7(2), 14, 'partial one arguments works'); - - assert.equal(foo.sum8and4(), 17, 'partial both arguments works'); -}; - -exports["test curry defined numeber of arguments"] = function(assert) { - var sum = curry(function(a, b, c) { - return a + b + c; - }); - - assert.equal(sum(2, 2, 1), 5, "sum(2, 2, 1) => 5"); - assert.equal(sum(2, 4)(1), 7, "sum(2, 4)(1) => 7"); - assert.equal(sum(2)(4, 2), 8, "sum(2)(4, 2) => 8"); - assert.equal(sum(2)(4)(3), 9, "sum(2)(4)(3) => 9"); -}; - -exports['test compose'] = function(assert) { - let greet = function(name) { return 'hi: ' + name; }; - let exclaim = function(sentence) { return sentence + '!'; }; - - assert.equal(compose(exclaim, greet)('moe'), 'hi: moe!', - 'can compose a function that takes another'); - - assert.equal(compose(greet, exclaim)('moe'), 'hi: moe!', - 'in this case, the functions are also commutative'); - - let target = { - name: 'Joe', - greet: compose(function exclaim(sentence) { - return sentence + '!'; - }, function(title) { - return 'hi : ' + title + ' ' + this.name; - }) - }; - - assert.equal(target.greet('Mr'), 'hi : Mr Joe!', - 'this can be passed in'); - assert.equal(target.greet.call({ name: 'Alex' }, 'Dr'), 'hi : Dr Alex!', - 'this can be applied'); - - let single = compose(function(value) { - return value + ':suffix'; - }); - - assert.equal(single('text'), 'text:suffix', 'works with single function'); - - let identity = compose(); - assert.equal(identity('bla'), 'bla', 'works with zero functions'); -}; - -exports['test wrap'] = function(assert) { - let greet = function(name) { return 'hi: ' + name; }; - let backwards = wrap(greet, function(f, name) { - return f(name) + ' ' + name.split('').reverse().join(''); - }); - - assert.equal(backwards('moe'), 'hi: moe eom', - 'wrapped the saluation function'); - - let inner = function () { return 'Hello '; }; - let target = { - name: 'Matteo', - hi: wrap(inner, function(f) { return f() + this.name; }) - }; - - assert.equal(target.hi(), 'Hello Matteo', 'works with this'); - - function noop() { } - let wrapped = wrap(noop, function(f) { - return Array.slice(arguments); - }); - - let actual = wrapped([ 'whats', 'your' ], 'vector', 'victor'); - assert.deepEqual(actual, [ noop, ['whats', 'your'], 'vector', 'victor' ], - 'works with fancy stuff'); -}; - -exports['test memoize'] = function(assert) { - const fib = n => n < 2 ? n : fib(n - 1) + fib(n - 2); - let fibnitro = memoize(fib); - - assert.equal(fib(10), 55, - 'a memoized version of fibonacci produces identical results'); - assert.equal(fibnitro(10), 55, - 'a memoized version of fibonacci produces identical results'); - - function o(key, value) { return value; } - let oo = memoize(o), v1 = {}, v2 = {}; - - - assert.equal(oo(1, v1), v1, 'returns value back'); - assert.equal(oo(1, v2), v1, 'memoized by a first argument'); - assert.equal(oo(2, v2), v2, 'returns back value if not memoized'); - assert.equal(oo(2), v2, 'memoized new value'); - assert.notEqual(oo(1), oo(2), 'values do not override'); - assert.equal(o(3, v2), oo(2, 3), 'returns same value as un-memoized'); - - let get = memoize(function(attribute) { return this[attribute]; }); - let target = { name: 'Bob', get: get }; - - assert.equal(target.get('name'), 'Bob', 'has correct `this`'); - assert.equal(target.get.call({ name: 'Jack' }, 'name'), 'Bob', - 'name is memoized'); - assert.equal(get('name'), 'Bob', 'once memoized can be called without this'); -}; - -exports['test delay'] = function(assert, done) { - let delayed = false; - delay(function() { - assert.ok(delayed, 'delayed the function'); - done(); - }, 1); - delayed = true; -}; - -exports['test delay with this'] = function(assert, done) { - let context = {}; - delay.call(context, function(name) { - assert.equal(this, context, 'this was passed in'); - assert.equal(name, 'Tom', 'argument was passed in'); - done(); - }, 10, 'Tom'); -}; - -exports['test once'] = function(assert) { - let n = 0; - let increment = once(function() { n ++; }); - - increment(); - increment(); - - assert.equal(n, 1, 'only incremented once'); - - let target = { - state: 0, - update: once(function() { - return this.state ++; - }) - }; - - target.update(); - target.update(); - - assert.equal(target.state, 1, 'this was passed in and called only once'); -}; - -exports['test once with argument'] = function(assert) { - let n = 0; - let increment = once(a => n++); - - increment(); - increment('foo'); - - assert.equal(n, 1, 'only incremented once'); - - increment(); - increment('foo'); - - assert.equal(n, 1, 'only incremented once'); -}; - -exports['test complement'] = assert => { - let { complement } = require("sdk/lang/functional"); - - let isOdd = x => Boolean(x % 2); - - assert.equal(isOdd(1), true); - assert.equal(isOdd(2), false); - - let isEven = complement(isOdd); - - assert.equal(isEven(1), false); - assert.equal(isEven(2), true); - - let foo = {}; - let isFoo = function() { return this === foo; }; - let insntFoo = complement(isFoo); - - assert.equal(insntFoo.call(foo), false); - assert.equal(insntFoo.call({}), true); -}; - -exports['test constant'] = assert => { - let { constant } = require("sdk/lang/functional"); - - let one = constant(1); - - assert.equal(one(1), 1); - assert.equal(one(2), 1); -}; - -exports['test apply'] = assert => { - let { apply } = require("sdk/lang/functional"); - - let dashify = (...args) => args.join("-"); - - assert.equal(apply(dashify, 1, [2, 3]), "1-2-3"); - assert.equal(apply(dashify, "a"), "a"); - assert.equal(apply(dashify, ["a", "b"]), "a-b"); - assert.equal(apply(dashify, ["a", "b"], "c"), "a,b-c"); - assert.equal(apply(dashify, [1, 2], [3, 4]), "1,2-3-4"); -}; - -exports['test flip'] = assert => { - let { flip } = require("sdk/lang/functional"); - - let append = (left, right) => left + " " + right; - let prepend = flip(append); - - assert.equal(append("hello", "world"), "hello world"); - assert.equal(prepend("hello", "world"), "world hello"); - - let wrap = function(left, right) { - return left + " " + this + " " + right; - }; - let invertWrap = flip(wrap); - - assert.equal(wrap.call("@", "hello", "world"), "hello @ world"); - assert.equal(invertWrap.call("@", "hello", "world"), "world @ hello"); - - let reverse = flip((...args) => args); - - assert.deepEqual(reverse(1, 2, 3, 4), [4, 3, 2, 1]); - assert.deepEqual(reverse(1), [1]); - assert.deepEqual(reverse(), []); - - // currying still works - let prependr = curry(prepend); - - assert.equal(prependr("hello", "world"), "world hello"); - assert.equal(prependr("hello")("world"), "world hello"); -}; - -exports["test when"] = assert => { - let { when } = require("sdk/lang/functional"); - - let areNums = (...xs) => xs.every(x => typeof(x) === "number"); - - let sum = when(areNums, (...xs) => xs.reduce((y, x) => x + y, 0)); - - assert.equal(sum(1, 2, 3), 6); - assert.equal(sum(1, 2, "3"), undefined); - - let multiply = when(areNums, - (...xs) => xs.reduce((y, x) => x * y, 1), - (...xs) => xs); - - assert.equal(multiply(2), 2); - assert.equal(multiply(2, 3), 6); - assert.deepEqual(multiply(2, "4"), [2, "4"]); - - function Point(x, y) { - this.x = x; - this.y = y; - } - - let isPoint = x => x instanceof Point; - - let inc = when(isPoint, ({x, y}) => new Point(x + 1, y + 1)); - - assert.equal(inc({}), undefined); - assert.deepEqual(inc(new Point(0, 0)), { x: 1, y: 1 }); - - let axis = when(isPoint, - ({ x, y }) => [x, y], - _ => [0, 0]); - - assert.deepEqual(axis(new Point(1, 4)), [1, 4]); - assert.deepEqual(axis({ foo: "bar" }), [0, 0]); -}; - -exports["test chainable"] = function(assert) { - let Player = function () { this.volume = 5; }; - Player.prototype = { - setBand: chainable(function (band) { return (this.band = band); }), - incVolume: chainable(function () { return this.volume++; }) - }; - let player = new Player(); - player - .setBand('Animals As Leaders') - .incVolume().incVolume().incVolume().incVolume().incVolume().incVolume(); - - assert.equal(player.band, 'Animals As Leaders', 'passes arguments into chained'); - assert.equal(player.volume, 11, 'accepts no arguments in chain'); -}; - -exports["test field"] = assert => { - let Num = field("constructor", 0); - assert.equal(Num.name, Number.name); - assert.ok(typeof(Num), "function"); - - let x = field("x"); - - [ - [field("foo", { foo: 1 }), 1], - [field("foo")({ foo: 1 }), 1], - [field("bar", {}), undefined], - [field("bar")({}), undefined], - [field("hey", undefined), undefined], - [field("hey")(undefined), undefined], - [field("how", null), null], - [field("how")(null), null], - [x(1), undefined], - [x(undefined), undefined], - [x(null), null], - [x({ x: 1 }), 1], - [x({ x: 2 }), 2], - ].forEach(([actual, expected]) => assert.equal(actual, expected)); -}; - -exports["test query"] = assert => { - let Num = query("constructor", 0); - assert.equal(Num.name, Number.name); - assert.ok(typeof(Num), "function"); - - let x = query("x"); - let xy = query("x.y"); - - [ - [query("foo", { foo: 1 }), 1], - [query("foo")({ foo: 1 }), 1], - [query("foo.bar", { foo: { bar: 2 } }), 2], - [query("foo.bar")({ foo: { bar: 2 } }), 2], - [query("foo.bar", { foo: 1 }), undefined], - [query("foo.bar")({ foo: 1 }), undefined], - [x(1), undefined], - [x(undefined), undefined], - [x(null), null], - [x({ x: 1 }), 1], - [x({ x: 2 }), 2], - [xy(1), undefined], - [xy(undefined), undefined], - [xy(null), null], - [xy({ x: 1 }), undefined], - [xy({ x: 2 }), undefined], - [xy({ x: { y: 1 } }), 1], - [xy({ x: { y: 2 } }), 2] - ].forEach(([actual, expected]) => assert.equal(actual, expected)); -}; - -exports["test isInstance"] = assert => { - function X() {} - function Y() {} - let isX = isInstance(X); - - [ - isInstance(X, new X()), - isInstance(X)(new X()), - !isInstance(X, new Y()), - !isInstance(X)(new Y()), - isX(new X()), - !isX(new Y()) - ].forEach(x => assert.ok(x)); -}; - -exports["test is"] = assert => { - - assert.deepEqual([ 1, 0, 1, 0, 1 ].map(is(1)), - [ true, false, true, false, true ], - "is can be partially applied"); - - assert.ok(is(1, 1)); - assert.ok(!is({}, {})); - assert.ok(is()(1)()(1), "is is curried"); - assert.ok(!is()(1)()(2)); -}; - -exports["test isnt"] = assert => { - - assert.deepEqual([ 1, 0, 1, 0, 1 ].map(isnt(0)), - [ true, false, true, false, true ], - "is can be partially applied"); - - assert.ok(!isnt(1, 1)); - assert.ok(isnt({}, {})); - assert.ok(!isnt()(1)()(1)); - assert.ok(isnt()(1)()(2)); -}; - -exports["test debounce"] = (assert, done) => { - let counter = 0; - let fn = debounce(() => counter++, 100); - - new Array(10).join(0).split("").forEach(fn); - - assert.equal(counter, 0, "debounce does not fire immediately"); - setTimeout(() => { - assert.equal(counter, 1, "function called after wait time"); - fn(); - setTimeout(() => { - assert.equal(counter, 2, "function able to be called again after wait"); - done(); - }, 150); - }, 200); -}; - -exports["test throttle"] = (assert, done) => { - let called = 0; - let attempt = 0; - let atleast100ms = false; - let throttledFn = throttle(() => { - called++; - if (called === 2) { - assert.equal(attempt, 10, "called twice, but attempted 10 times"); - fn(); - } - if (called === 3) { - assert.ok(atleast100ms, "atleast 100ms have passed"); - assert.equal(attempt, 11, "called third, waits for delay to happen"); - done(); - } - }, 200); - let fn = () => ++attempt && throttledFn(); - - setTimeout(() => atleast100ms = true, 100); - - new Array(11).join(0).split("").forEach(fn); -}; - -require('sdk/test').run(exports); |