addon-sdk/source/test/traits/descriptor-tests.js@6474c204b198
addon-sdk/source/test/traits/descriptor-tests.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 "use strict";
7 var Trait = require("sdk/deprecated/light-traits").Trait;
8 var utils = require("./utils");
9 var Data = utils.Data;
10 var Method = utils.Method;
11 var Accessor = utils.Accessor;
12 var Required = utils.Required;
13 var Conflict = utils.Conflict;
15 function method() {}
17 exports.Assert = require("./assert").Assert
18 exports["test simple composition"] = function(assert) {
19 var actual = Trait.compose(
20 Trait({ a: 0, b: 1 }),
21 { c: { value: 2 }, d: { value: method, enumerable: true } }
22 );
24 var expected = {
25 a: Data(0),
26 b: Data(1),
27 c: Data(2, false, false, false),
28 d: Method(method, true, false, false)
29 };
31 assert.equalTraits(actual, expected);
32 };
34 exports["test composition with conflict"] = function(assert) {
35 var actual = Trait.compose(
36 Trait({ a: 0, b: 1 }),
37 {
38 a: {
39 value: 2,
40 writable: true,
41 configurable: true,
42 enumerable: true
43 },
44 c: {
45 value: method,
46 configurable: true
47 }
48 }
49 );
51 var expected = {
52 a: Conflict("a"),
53 b: Data(1),
54 c: Method(method, false, true, false)
55 };
57 assert.equalTraits(actual, expected);
58 };
60 exports["test identical props does not cause conflict"] = function(assert) {
61 var actual = Trait.compose(
62 {
63 a: {
64 value: 0,
65 writable: true,
66 configurable: true,
67 enumerable: true
68 },
69 b: {
70 value: 1
71 }
72 },
73 Trait({
74 a: 0,
75 c: method
76 })
77 );
79 var expected = {
80 a: Data(0),
81 b: Data(1, false, false, false),
82 c: Method(method)
83 }
85 assert.equalTraits(actual, expected);
86 };
88 exports["test composition with identical required props"] = function(assert) {
89 var actual = Trait.compose(
90 Trait({ a: Trait.required, b: 1 }),
91 { a: { required: true }, c: { value: method } }
92 );
94 var expected = {
95 a: Required(),
96 b: Data(1),
97 c: Method(method, false, false, false)
98 };
100 assert.equalTraits(actual, expected);
101 };
103 exports["test composition satisfying a required prop"] = function(assert) {
104 var actual = Trait.compose(
105 Trait({ a: Trait.required, b: 1 }),
106 { a: { value: method, enumerable: true } }
107 );
109 var expected = {
110 a: Method(method, true, false, false),
111 b: Data(1)
112 };
114 assert.equalTraits(actual, expected);
115 };
117 exports["test compose is neutral wrt conflicts"] = function(assert) {
118 var actual = Trait.compose(
119 Trait({ a: { value: 1 } }, Trait({ a: 2 })),
120 { b: { value: 0, writable: true, configurable: true, enumerable: false } }
121 );
123 var expected = { a: Conflict("a"), b: Data(0, false) };
125 assert.equalTraits(actual, expected);
126 };
128 exports["test conflicting prop overrides Trait.required"] = function(assert) {
129 var actual = Trait.compose(
130 Trait.compose(
131 Trait({ a: 1 }),
132 { a: { value: 2 } }
133 ),
134 { a: { value: Trait.required } }
135 );
137 var expected = { a: Conflict("a") };
139 assert.equalTraits(actual, expected);
140 };
142 exports["test compose is commutative"] = function(assert) {
143 var actual = Trait.compose(
144 Trait({ a: 0, b: 1 }),
145 { c: { value: 2 }, d: { value: method } }
146 );
148 var expected = Trait.compose(
149 { c: { value: 2 }, d: { value: method } },
150 Trait({ a: 0, b: 1 })
151 );
153 assert.equalTraits(actual, expected);
154 }
156 exports["test compose is commutative, also for required/conflicting props"] = function(assert) {
157 var actual = Trait.compose(
158 {
159 a: { value: 0 },
160 b: { value: 1 },
161 c: { value: 3 },
162 e: { value: Trait.required }
163 },
164 {
165 c: { value: 2 },
166 d: { get: method }
167 }
168 );
170 var expected = Trait.compose(
171 Trait({ c: 3 }),
172 {
173 c: { value: 2 },
174 d: { get: method },
175 a: { value: 0 },
176 b: { value: 1 },
177 e: { value: Trait.required },
178 }
179 );
181 assert.equalTraits(actual, expected);
182 };
184 exports["test compose is associative"] = function(assert) {
185 var actual = Trait.compose(
186 {
187 a: { value: 0 },
188 b: { value: 1 },
189 c: { value: 3 },
190 d: { value: Trait.required }
191 },
192 Trait.compose(
193 { c: { value: 3 }, d: { value: Trait.required } },
194 { c: { value: 2 }, d: { value: method }, e: { value: "foo" } }
195 )
196 );
198 var expected = Trait.compose(
199 Trait.compose(
200 {
201 a: { value: 0 },
202 b: { value: 1 },
203 c: { value: 3 },
204 d: { value: Trait.required }
205 },
206 {
207 c: { value: 3 },
208 d: { value: Trait.required }
209 }
210 ),
211 {
212 c: { value: 2 },
213 d: { value: method },
214 e: { value: "foo" }
215 }
216 );
218 assert.equalTraits(actual, expected);
219 };
221 exports["test diamond import of same prop do not conflict"] = function(assert) {
222 var actual = Trait.compose(
223 Trait.compose(
224 { b: { value: 2 } },
225 { a: { value: 1, enumerable: true, configurable: true, writable: true } }
226 ),
227 Trait.compose(
228 { c: { value: 3 } },
229 Trait({ a: 1 })
230 ),
231 Trait({ d: 4 })
232 );
234 var expected = {
235 a: Data(1),
236 b: Data(2, false, false, false),
237 c: Data(3, false, false, false),
238 d: Data(4)
239 };
241 assert.equalTraits(actual, expected);
242 };
244 exports["test create simple"] = function(assert) {
245 var o1 = Trait.compose(
246 Trait({ a: 1 }),
247 {
248 b: {
249 value: function() {
250 return this.a;
251 }
252 }
253 }
254 ).create(Object.prototype);
256 assert.equal(Object.getPrototypeOf(o1), Object.prototype, "o1 prototype");
257 assert.equal(1, o1.a, "o1.a");
258 assert.equal(1, o1.b(), "o1.b()");
259 assert.equal(Object.keys(o1).length, 1, "Object.keys(o1).length === 2");
260 };
262 exports["test create with Array.prototype"] = function(assert) {
263 var o2 = Trait.compose({}, {}).create(Array.prototype);
264 assert.equal(Object.getPrototypeOf(o2), Array.prototype, "o2 prototype");
265 };
267 exports["test exception for incomplete required properties"] = function(assert) {
268 assert.throws(function() {
269 Trait({ foo: Trait.required }).create(Object.prototype)
270 }, /Missing required property: `foo`/, "required prop error");
271 }
273 exports["test exception for unresolved conflicts"] = function(assert) {
274 assert.throws(function() {
275 Trait(Trait({ a: 0 }), Trait({ a: 1 })).create({})
276 }, /Remaining conflicting property: `a`/, "conflicting prop error");
277 }
279 exports["test conflicting properties are present"] = function(assert) {
280 var o5 = Object.create(Object.prototype, Trait.compose(
281 { a: { value: 0 } },
282 { a: { value: 1 } }
283 ));
285 assert.ok("a" in o5, "conflicting property present");
286 assert.throws(function() {
287 o5.a
288 }, /Remaining conflicting property: `a`/, "conflicting prop access error");
289 };
291 exports["test diamond with conflicts"] = function(assert) {
292 function makeT1(x) {
293 return {
294 m: {
295 value: function() {
296 return x
297 }
298 }
299 };
300 };
302 function makeT2(x) {
303 return Trait.compose(
304 Trait({ t2: "foo" }),
305 makeT1(x)
306 );
307 };
309 function makeT3(x) {
310 return Trait.compose(
311 {
312 t3: { value: "bar" }
313 },
314 makeT1(x)
315 );
316 };
318 var T4 = Trait.compose(makeT2(5), makeT3(5));
320 assert.throws(function() {
321 T4.create(Object.prototype);
322 }, /Remaining conflicting property: `m`/, "diamond prop conflict");
323 };
325 exports["test providing requirements through proto"] = function(assert) {
326 var t = Trait.compose(
327 {},
328 { required: { required: true } }
329 ).create({ required: "test" });
331 assert.equal(t.required, "test", "property from proto is inherited");
332 };
334 if (module == require.main)
335 require("test").run(exports);
