1 | if(module.parent === null) {
|
2 | console.log('Run this test file with nodeunit:');
|
3 | console.log('$ nodeunit test.js');
|
4 | }
|
5 |
|
6 |
|
7 | var clone = require('./');
|
8 | var util = require('util');
|
9 | var _ = require('underscore');
|
10 |
|
11 |
|
12 |
|
13 | exports["clone string"] = function(test) {
|
14 | test.expect(2);
|
15 |
|
16 | var a = "foo";
|
17 | test.strictEqual(clone(a), a);
|
18 | a = "";
|
19 | test.strictEqual(clone(a), a);
|
20 |
|
21 | test.done();
|
22 | };
|
23 |
|
24 |
|
25 |
|
26 | exports["clone number"] = function(test) {
|
27 | test.expect(5);
|
28 |
|
29 | var a = 0;
|
30 | test.strictEqual(clone(a), a);
|
31 | a = 1;
|
32 | test.strictEqual(clone(a), a);
|
33 | a = -1000;
|
34 | test.strictEqual(clone(a), a);
|
35 | a = 3.1415927;
|
36 | test.strictEqual(clone(a), a);
|
37 | a = -3.1415927;
|
38 | test.strictEqual(clone(a), a);
|
39 |
|
40 | test.done();
|
41 | };
|
42 |
|
43 |
|
44 |
|
45 | exports["clone date"] = function(test) {
|
46 | test.expect(3);
|
47 |
|
48 | var a = new Date;
|
49 | var c = clone(a);
|
50 | test.ok(a instanceof Date);
|
51 | test.ok(c instanceof Date);
|
52 | test.equal(c.getTime(), a.getTime());
|
53 |
|
54 | test.done();
|
55 | };
|
56 |
|
57 |
|
58 |
|
59 | exports["clone object"] = function(test) {
|
60 | test.expect(2);
|
61 |
|
62 | var a = { foo: { bar: "baz" } };
|
63 | var b = clone(a);
|
64 |
|
65 | test.ok(_(a).isEqual(b), "underscore equal");
|
66 | test.deepEqual(b, a);
|
67 |
|
68 | test.done();
|
69 | };
|
70 |
|
71 |
|
72 |
|
73 | exports["clone array"] = function(test) {
|
74 | test.expect(2);
|
75 |
|
76 | var a = [
|
77 | { foo: "bar" },
|
78 | "baz"
|
79 | ];
|
80 | var b = clone(a);
|
81 |
|
82 | test.ok(_(a).isEqual(b), "underscore equal");
|
83 | test.deepEqual(b, a);
|
84 |
|
85 | test.done();
|
86 | };
|
87 |
|
88 | exports["clone buffer"] = function(test) {
|
89 | test.expect(1);
|
90 |
|
91 | var a = new Buffer("this is a test buffer");
|
92 | var b = clone(a);
|
93 |
|
94 |
|
95 | test.deepEqual(b, a);
|
96 | test.done();
|
97 | };
|
98 |
|
99 |
|
100 |
|
101 | exports["clone regexp"] = function(test) {
|
102 | test.expect(5);
|
103 |
|
104 | var a = /abc123/gi;
|
105 | var b = clone(a);
|
106 |
|
107 | test.deepEqual(b, a);
|
108 |
|
109 | var c = /a/g;
|
110 | test.ok(c.lastIndex === 0);
|
111 |
|
112 | c.exec('123a456a');
|
113 | test.ok(c.lastIndex === 4);
|
114 |
|
115 | var d = clone(c);
|
116 | test.ok(d.global);
|
117 | test.ok(d.lastIndex === 4);
|
118 |
|
119 | test.done();
|
120 | };
|
121 |
|
122 |
|
123 | exports["clone object containing array"] = function(test) {
|
124 | test.expect(2);
|
125 |
|
126 | var a = {
|
127 | arr1: [ { a: '1234', b: '2345' } ],
|
128 | arr2: [ { c: '345', d: '456' } ]
|
129 | };
|
130 | var b = clone(a);
|
131 |
|
132 | test.ok(_(a).isEqual(b), "underscore equal");
|
133 | test.deepEqual(b, a);
|
134 |
|
135 | test.done();
|
136 | };
|
137 |
|
138 |
|
139 |
|
140 | exports["clone object with circular reference"] = function(test) {
|
141 | test.expect(8);
|
142 |
|
143 | var _ = test.ok;
|
144 | var c = [1, "foo", {'hello': 'bar'}, function() {}, false, [2]];
|
145 | var b = [c, 2, 3, 4];
|
146 | var a = {'b': b, 'c': c};
|
147 | a.loop = a;
|
148 | a.loop2 = a;
|
149 | c.loop = c;
|
150 | c.aloop = a;
|
151 | var aCopy = clone(a);
|
152 | _(a != aCopy);
|
153 | _(a.c != aCopy.c);
|
154 | _(aCopy.c == aCopy.b[0]);
|
155 | _(aCopy.c.loop.loop.aloop == aCopy);
|
156 | _(aCopy.c[0] == a.c[0]);
|
157 |
|
158 |
|
159 |
|
160 |
|
161 | _(eq(a, aCopy));
|
162 | aCopy.c[0] = 2;
|
163 | _(!eq(a, aCopy));
|
164 | aCopy.c = "2";
|
165 | _(!eq(a, aCopy));
|
166 |
|
167 |
|
168 |
|
169 | function eq(x, y) {
|
170 | return util.inspect(x, true, null) === util.inspect(y, true, null);
|
171 | }
|
172 |
|
173 | test.done();
|
174 | };
|
175 |
|
176 |
|
177 |
|
178 | exports['clonePrototype'] = function(test) {
|
179 | test.expect(3);
|
180 |
|
181 | var a = {
|
182 | a: "aaa",
|
183 | x: 123,
|
184 | y: 45.65
|
185 | };
|
186 | var b = clone.clonePrototype(a);
|
187 |
|
188 | test.strictEqual(b.a, a.a);
|
189 | test.strictEqual(b.x, a.x);
|
190 | test.strictEqual(b.y, a.y);
|
191 |
|
192 | test.done();
|
193 | }
|
194 |
|
195 | exports['cloneWithinNewVMContext'] = function(test) {
|
196 | test.expect(3);
|
197 | var vm = require('vm');
|
198 | var ctx = vm.createContext({ clone: clone });
|
199 | var script = "clone( {array: [1, 2, 3], date: new Date(), regex: /^foo$/ig} );";
|
200 | var results = vm.runInContext(script, ctx);
|
201 | test.ok(results.array instanceof Array);
|
202 | test.ok(results.date instanceof Date);
|
203 | test.ok(results.regex instanceof RegExp);
|
204 | test.done();
|
205 | }
|
206 |
|
207 | exports['cloneObjectWithNoConstructor'] = function(test) {
|
208 | test.expect(3);
|
209 | var n = null;
|
210 | var a = { foo: 'bar' };
|
211 | a.__proto__ = n;
|
212 | test.ok(typeof a === 'object');
|
213 | test.ok(typeof a !== null);
|
214 | var b = clone(a);
|
215 | test.ok(a.foo, b.foo);
|
216 | test.done();
|
217 | }
|
218 |
|
219 | exports['clone object with depth argument'] = function (test) {
|
220 | test.expect(6);
|
221 | var a = {
|
222 | foo: {
|
223 | bar : {
|
224 | baz : 'qux'
|
225 | }
|
226 | }
|
227 | };
|
228 | var b = clone(a, false, 1);
|
229 | test.deepEqual(b, a);
|
230 | test.notEqual(b, a);
|
231 | test.strictEqual(b.foo, a.foo);
|
232 |
|
233 | b = clone(a, true, 2);
|
234 | test.deepEqual(b, a);
|
235 | test.notEqual(b.foo, a.foo);
|
236 | test.strictEqual(b.foo.bar, a.foo.bar);
|
237 | test.done();
|
238 | }
|
239 |
|
240 | exports['maintain prototype chain in clones'] = function (test) {
|
241 | test.expect(1);
|
242 | function Constructor() {}
|
243 | var a = new Constructor();
|
244 | var b = clone(a);
|
245 | test.strictEqual(Object.getPrototypeOf(a), Object.getPrototypeOf(b));
|
246 | test.done();
|
247 | }
|
248 |
|
249 | exports['parent prototype is overriden with prototype provided'] = function (test) {
|
250 | test.expect(1);
|
251 | function Constructor() {}
|
252 | var a = new Constructor();
|
253 | var b = clone(a, true, Infinity, null);
|
254 | test.strictEqual(b.__defineSetter__, undefined);
|
255 | test.done();
|
256 | }
|
257 |
|
258 | exports['clone object with null children'] = function(test) {
|
259 | test.expect(1);
|
260 | var a = {
|
261 | foo: {
|
262 | bar: null,
|
263 | baz: {
|
264 | qux: false
|
265 | }
|
266 | }
|
267 | };
|
268 | var b = clone(a);
|
269 | test.deepEqual(b, a);
|
270 | test.done();
|
271 | }
|
272 |
|
273 | exports['clone instance with getter'] = function(test) {
|
274 | test.expect(1);
|
275 | function Ctor() {};
|
276 | Object.defineProperty(Ctor.prototype, 'prop', {
|
277 | configurable: true,
|
278 | enumerable: true,
|
279 | get: function() {
|
280 | return 'value';
|
281 | }
|
282 | });
|
283 |
|
284 | var a = new Ctor();
|
285 | var b = clone(a);
|
286 |
|
287 | test.strictEqual(b.prop, 'value');
|
288 | test.done();
|
289 | }; |
\ | No newline at end of file |