From f6ab6622aab00fe7c2f4c3dc41f786ebbe0f0d73 Mon Sep 17 00:00:00 2001 From: Rogan Creswick Date: Fri, 30 Mar 2012 17:07:02 -0700 Subject: initial revision --- .../api-utils/tests/traits/object-tests.js | 321 +++++++++++++++++++++ 1 file changed, 321 insertions(+) create mode 100644 tools/addon-sdk-1.5/packages/api-utils/tests/traits/object-tests.js (limited to 'tools/addon-sdk-1.5/packages/api-utils/tests/traits/object-tests.js') diff --git a/tools/addon-sdk-1.5/packages/api-utils/tests/traits/object-tests.js b/tools/addon-sdk-1.5/packages/api-utils/tests/traits/object-tests.js new file mode 100644 index 0000000..6a94ff3 --- /dev/null +++ b/tools/addon-sdk-1.5/packages/api-utils/tests/traits/object-tests.js @@ -0,0 +1,321 @@ +/* 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"; + +var Trait = require("light-traits").Trait; +var utils = require("./utils"); +var Data = utils.Data; +var Method = utils.Method; +var Accessor = utils.Accessor; +var Required = utils.Required; +var Conflict = utils.Conflict; + +function method() {} + +exports.Assert = require("./assert").Assert; + +exports["test empty trait"] = function (assert) { + assert.equalTraits(Trait({}), {}); +}; + +exports["test simple trait"] = function (assert) { + var expected = { + a: Data(0, true, true, true), + b: Method(method, true, true, true) + }; + + assert.equalTraits(Trait({ a: 0, b: method }), expected); +}; + +exports["test simple trait with Trait.required property"] = function (assert) { + var actual = Trait({ a: Trait.required, b: 1 }); + var expected = { a: Required("a"), b: Data(1) }; + + assert.equalTraits(actual, expected); +}; + +exports["test ordering of trait properties is irrelevant"] = function (assert) { + var actual = Trait({ a: 0, b: 1, c: Trait.required }); + var expected = Trait({ b: 1, c: Trait.required, a: 0 }); + + assert.equalTraits(actual, expected); +}; + +exports["test trait with accessor property"] = function (assert) { + var record = { get a() {}, set a(v) {} }; + var get = Object.getOwnPropertyDescriptor(record, "a").get; + var set = Object.getOwnPropertyDescriptor(record, "a").set; + + assert.equalTraits(Trait(record), { a: Accessor(get, set) }); +}; + +exports["test simple composition"] = function (assert) { + var actual = Trait.compose(Trait({ a: 0, b: 1 }), Trait({ c: 2, d: method })); + var expected = { a: Data(0), b: Data(1), c: Data(2), d: Method(method) }; + + assert.equalTraits(actual, expected); +}; + +exports["test composition with conflict"] = function (assert) { + var actual = Trait.compose(Trait({ a: 0, b: 1 }), Trait({ a: 2, c: method })); + var expected = { a: Conflict("a"), b: Data(1), c: Method(method) }; + + assert.equalTraits(actual, expected); +}; + +exports["test composition of identical props does not cause conflict"] = function (assert) { + var actual = Trait.compose(Trait({ a: 0, b: 1 }), Trait({ a: 0, c: method })); + + assert.equalTraits(actual, { a: Data(0), b: Data(1), c: Method(method) }); +}; + +exports["test composition with identical Trait.required props"] = function (assert) { + var actual = Trait.compose(Trait({ a: Trait.required, b: 1 }), + Trait({ a: Trait.required, c: method })); + + assert.equalTraits(actual, { a: Required(), b: Data(1), c: Method(method) }); +}; + +exports["test composition satisfying a Trait.required prop"] = function (assert) { + var actual = Trait.compose(Trait({ a: Trait.required, b: 1 }), + Trait({ a: method })); + + assert.equalTraits(actual, { a: Method(method), b: Data(1) }); +}; + +exports["test compose is neutral wrt conflicts"] = function (assert) { + var actual = Trait.compose(Trait.compose(Trait({ a: 1 }), Trait({ a: 2 })), + Trait({ b: 0 })); + + assert.equalTraits(actual, { a: Conflict("a"), b: Data(0) }); +}; + +exports["test conflicting prop overrides Trait.required prop"] = function (assert) { + var actual = Trait.compose(Trait.compose(Trait({ a: 1 }), + Trait({ a: 2 })), + Trait({ a: Trait.required })); + + assert.equalTraits(actual, { a: Conflict("a") }); +}; + +exports["test compose is commutative"] = function (assert) { + var actual = Trait.compose(Trait({ a: 0, b: 1 }), Trait({ c: 2, d: method })); + var expected = Trait.compose(Trait({ c: 2, d: method }), + Trait({ a: 0, b: 1 })); + + assert.equalTraits(actual, expected); +}; + +exports["test compose is commutative, also for Trait.required/conflicting props"] = function (assert) { + var actual = Trait.compose(Trait({ a: 0, b: 1, c: 3, e: Trait.required }), + Trait({ c: 2, d: method })); + + var expected = Trait.compose(Trait({ c: 2, d: method }), + Trait({ a: 0, b: 1, c: 3, e: Trait.required })); + + assert.equalTraits(actual, expected); +}; + +exports["test compose is associative"] = function (assert) { + var actual = Trait.compose(Trait({ a: 0, b: 1, c: 3, d: Trait.required }), + Trait.compose(Trait({ c: 3, d: Trait.required }), + Trait({ c: 2, d: method, + e: "foo" }))); + + var expected = Trait.compose( + Trait.compose(Trait({ a: 0, b: 1, c: 3, d: Trait.required }), + Trait({ c: 3, d: Trait.required })), + Trait({ c: 2, d: method, e: "foo" })); + + assert.equalTraits(actual, expected); +}; + +exports["test diamond import of same prop does not generate conflict"] = function (assert) { + var actual = Trait.compose(Trait.compose(Trait({ b: 2 }), Trait({ a: 1 })), + Trait.compose(Trait({ c: 3 }), Trait({ a: 1 })), + Trait({ d: 4 })); + var expected = { a: Data(1), b: Data(2), c: Data(3), d: Data(4) }; + + assert.equalTraits(actual, expected); +}; + +exports["test resolve with empty resolutions has no effect"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: Trait.required, c: method }).resolve({}), + { a: Data(1), b: Required(), c: Method(method) }); +}; + +exports["test resolve: renaming"] = function (assert) { + var actual = Trait({ a: 1, b: Trait.required, c: method }); + + assert.equalTraits(actual.resolve({ a: "A", c: "C" }), + { A: Data(1), b: Required(), C: Method(method), + a: Required(), c: Required() }); +}; + +exports["test resolve: renaming to conflicting name causes conflict, order 1"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: "b" }), + { b: Conflict("b"), a: Required() }); +}; + +exports["test resolve: renaming to conflicting name causes conflict, order 2"] = function (assert) { + assert.equalTraits(Trait({ b: 2, a: 1 }).resolve({ a: "b" }), + { b: Conflict("b"), a: Required() }); +}; + +exports["test resolve: simple exclusion"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: undefined }), + { a: Required(), b: Data(2) }); +}; + +exports["test resolve: exclusion to empty trait"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: null, b: undefined }), + { a: Required(), b: Required() }); +}; + +exports["test resolve: exclusion and renaming of disjoint props"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: undefined, b: "c" }), + { a: Required(), c: Data(2), b: Required() }); +}; + +exports["test resolve: exclusion and renaming of overlapping props"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: undefined, b: "a" }), + { a: Data(2), b: Required() }); +}; + +exports["test resolve: renaming to a common alias causes conflict"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: "c", b: "c" }), + { c: Conflict("c"), a: Required(), b: Required() }); +}; + +exports["test resolve: renaming overrides Trait.required target"] = function (assert) { + assert.equalTraits(Trait({ a: Trait.required, b: 2 }).resolve({ b: "a" }), + { a: Data(2), b: Required() }); +}; + +exports["test resolve: renaming Trait.required properties has no effect"] = function (assert) { + assert.equalTraits(Trait({ a: 2, b: Trait.required }).resolve({ b: "a" }), + { a: Data(2), b: Required() }); +}; + +exports["test resolve: renaming of non-existent props has no effect"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: "c", d: "c" }), + { c: Data(1), b: Data(2), a: Required() }); +}; + +exports["test resolve: exclusion of non-existent props has no effect"] = function (assert) { + assert.equalTraits(Trait({ a: 1 }).resolve({ b: undefined }), { a: Data(1) }); +}; + +exports["test resolve is neutral w.r.t. Trait.required properties"] = function (assert) { + var actual = Trait({ a: Trait.required, b: Trait.required, c: "foo", d: 1 }); + var expected = { a: Required(), b: Required(), c: Data("foo"), d: Data(1) }; + assert.equalTraits(actual.resolve({ a: "c", b: undefined }), expected); +}; + +exports["test resolve supports swapping of property names, ordering 1"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ a: "b", b: "a" }), + { a: Data(2), b: Data(1) }); +}; + +exports["test resolve supports swapping of property names, ordering 2"] = function (assert) { + assert.equalTraits(Trait({ a: 1, b: 2 }).resolve({ b: "a", a: "b" }), + { a: Data(2), b: Data(1) }); +}; + +exports["test resolve supports swapping of property names, ordering 3"] = function (assert) { + assert.equalTraits(Trait({ b: 2, a: 1 }).resolve({ b: "a", a: "b" }), + { a: Data(2), b: Data(1) }); +}; + +exports["test resolve supports swapping of property names, ordering 4"] = function (assert) { + assert.equalTraits(Trait({ b: 2, a: 1 }).resolve({ a: "b", b: "a" }), + { a: Data(2), b: Data(1) }); +}; + +exports["test create simple"] = function (assert) { + var o1 = Trait({ + a: 1, + b: function () { + return this.a; + } + }).create(Object.prototype); + + assert.equal(Object.getPrototypeOf(o1), Object.prototype, "o1 prototype"); + assert.equal(1, o1.a, "o1.a"); + assert.equal(1, o1.b(), "o1.b()"); + assert.equal(Object.keys(o1).length, 2, "Object.keys(o1).length === 2"); +}; + +exports["test create with Array.prototype"] = function (assert) { + var o2 = Trait({}).create(Array.prototype); + assert.equal(Object.getPrototypeOf(o2), Array.prototype, "o2 prototype"); +}; + +exports["test exception for incomplete required properties"] = function (assert) { + assert.throws(function () { + Trait({ foo: Trait.required }).create(Object.prototype); + }, /Missing required property: `foo`/, "required prop error"); +}; + +exports["test exception for unresolved conflicts"] = function (assert) { + assert.throws(function () { + Trait.compose(Trait({ a: 0 }), Trait({ a: 1 })).create({}); + }, /Remaining conflicting property: `a`/, "conflicting prop error"); +}; + +exports["test verify that required properties are present but undefined"] = function (assert) { + var o4 = Object.create(Object.prototype, Trait({ foo: Trait.required })); + + assert.ok("foo" in o4, "required property present"); + assert.throws(function () { + o4.foo; + }, /Missing required property: `foo`/, "required prop error"); +}; + +exports["test verify that conflicting properties are present"] = function (assert) { + var o5 = Object.create(Object.prototype, Trait.compose(Trait({ a: 0 }), + Trait({ a: 1 }))); + + assert.ok("a" in o5, "conflicting property present"); + assert.throws(function () { + o5.a; + }, /Remaining conflicting property: `a`/, "conflicting prop access error"); +}; + +exports["test diamond with conflicts"] = function (assert) { + function makeT1(x) { + return Trait({ + m: function () { + return x + } + }) + }; + + function makeT2(x) { + return Trait.compose(Trait({ + t2: "foo" + }), makeT1(x)); + }; + + function makeT3(x) { + return Trait.compose(Trait({ + t3: "bar" + }), makeT1(x)); + }; + + var T4 = Trait.compose(makeT2(5), makeT3(5)); + + assert.throws(function () { + T4.create(Object.prototype); + }, /Remaining conflicting property: `m`/, "diamond prop conflict"); +}; + +exports["test providing requirements through proto"] = function (assert) { + var t = Trait({ required: Trait.required }).create({ required: "test" }); + assert.equal(t.required, "test", "property from proto is inherited"); +}; + +if (module == require.main) + require("test").run(exports); -- cgit v1.2.3