-
-
Notifications
You must be signed in to change notification settings - Fork 768
/
sandbox.js
342 lines (257 loc) · 9.7 KB
/
sandbox.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
"use strict";
var collectOwnMethods = require("./collect-own-methods");
var getPropertyDescriptor = require("./util/core/get-property-descriptor");
var isPropertyConfigurable = require("./util/core/is-property-configurable");
var isNonExistentOwnProperty = require("./util/core/is-non-existent-own-property");
var sinonMatch = require("./match");
var sinonAssert = require("./assert");
var sinonClock = require("./util/fake_timers");
var sinonMock = require("./mock");
var sinonSpy = require("./spy");
var sinonStub = require("./stub");
var valueToString = require("./util/core/value-to-string");
var fakeServer = require("nise").fakeServer;
var fakeXhr = require("nise").fakeXhr;
var usePromiseLibrary = require("./util/core/use-promise-library");
// cache original versions, to prevent issues when they are stubbed in user space
var push = Array.prototype.push;
var filter = Array.prototype.filter;
var forEach = Array.prototype.filter;
function applyOnEach(fakes, method) {
var matchingFakes = filter.call(fakes, function (fake) {
return typeof fake[method] === "function";
});
forEach.call(matchingFakes, function (fake) {
fake[method]();
});
}
function Sandbox() {
var sandbox = this;
var collection = [];
var fakeRestorers = [];
var promiseLib;
sandbox.serverPrototype = fakeServer;
// this is for testing only
sandbox.getFakes = function getFakes() {
return collection;
};
// this is for testing only
sandbox.getRestorers = function () {
return fakeRestorers;
};
sandbox.createStubInstance = function createStubInstance(constructor) {
if (typeof constructor !== "function") {
throw new TypeError("The constructor should be a function.");
}
return this.stub.call(this, Object.create(constructor.prototype));
};
sandbox.inject = function inject(obj) {
obj.spy = function () {
return sandbox.spy.apply(null, arguments);
};
obj.stub = function () {
return sandbox.stub.apply(null, arguments);
};
obj.mock = function () {
return sandbox.mock.apply(null, arguments);
};
if (sandbox.clock) {
obj.clock = sandbox.clock;
}
if (sandbox.server) {
obj.server = sandbox.server;
obj.requests = sandbox.server.requests;
}
obj.match = sinonMatch;
return obj;
};
sandbox.mock = function mock() {
var m = sinonMock.apply(null, arguments);
push.call(collection, m);
return m;
};
sandbox.reset = function reset() {
applyOnEach(collection, "reset");
applyOnEach(collection, "resetHistory");
};
sandbox.resetBehavior = function resetBehavior() {
applyOnEach(collection, "resetBehavior");
};
sandbox.resetHistory = function resetHistory() {
function privateResetHistory(f) {
var method = f.resetHistory || f.reset;
if (method) {
method.call(f);
}
}
forEach.call(collection, function (fake) {
if (typeof fake === "function") {
privateResetHistory(fake);
return;
}
var methods = [];
if (fake.get) {
methods.push(fake.get);
}
if (fake.set) {
methods.push(fake.set);
}
methods.forEach(privateResetHistory);
});
};
sandbox.restore = function restore() {
if (arguments.length) {
throw new Error("sandbox.restore() does not take any parameters. Perhaps you meant stub.restore()");
}
applyOnEach(collection, "restore");
collection = [];
forEach.call(fakeRestorers, function (restorer) {
restorer();
});
fakeRestorers = [];
sandbox.restoreContext();
};
sandbox.restoreContext = function restoreContext() {
var injectedKeys = sandbox.injectedKeys;
var injectInto = sandbox.injectInto;
if (!injectedKeys) {
return;
}
injectedKeys.forEach(function (injectedKey) {
delete injectInto[injectedKey];
});
injectedKeys = [];
};
function getFakeRestorer(object, property) {
var descriptor = getPropertyDescriptor(object, property);
return function restorer() {
Object.defineProperty(object, property, descriptor);
};
}
sandbox.replace = function replace(object, property, replacement) {
var descriptor = getPropertyDescriptor(object, property);
if (typeof descriptor === "undefined") {
throw new TypeError("Cannot replace non-existent own property " + valueToString(property));
}
if (typeof replacement === "undefined") {
throw new TypeError("Expected replacement argument to be defined");
}
if (typeof descriptor.get === "function") {
throw new Error("Use sandbox.replaceGetter for replacing getters");
}
if (typeof descriptor.set === "function") {
throw new Error("Use sandbox.replaceSetter for replacing setters");
}
if (typeof object[property] !== typeof replacement) {
throw new TypeError("Cannot replace " + typeof object[property] + " with " + typeof replacement);
}
// store a function for restoring the replaced property
push.call(fakeRestorers, getFakeRestorer(object, property));
object[property] = replacement;
return replacement;
};
sandbox.replaceGetter = function replaceGetter(object, property, replacement) {
var descriptor = getPropertyDescriptor(object, property);
if (typeof descriptor === "undefined") {
throw new TypeError("Cannot replace non-existent own property " + valueToString(property));
}
if (typeof replacement !== "function") {
throw new TypeError("Expected replacement argument to be a function");
}
if (typeof descriptor.get !== "function") {
throw new Error("`object.property` is not a getter");
}
// store a function for restoring the replaced property
push.call(fakeRestorers, getFakeRestorer(object, property));
Object.defineProperty(object, property, {
get: replacement,
configurable: isPropertyConfigurable(object, property)
});
return replacement;
};
sandbox.replaceSetter = function replaceSetter(object, property, replacement) {
var descriptor = getPropertyDescriptor(object, property);
if (typeof descriptor === "undefined") {
throw new TypeError("Cannot replace non-existent own property " + valueToString(property));
}
if (typeof replacement !== "function") {
throw new TypeError("Expected replacement argument to be a function");
}
if (typeof descriptor.set !== "function") {
throw new Error("`object.property` is not a setter");
}
// store a function for restoring the replaced property
push.call(fakeRestorers, getFakeRestorer(object, property));
// eslint-disable-next-line accessor-pairs
Object.defineProperty(object, property, {
set: replacement,
configurable: isPropertyConfigurable(object, property)
});
return replacement;
};
sandbox.spy = function spy() {
var s = sinonSpy.apply(sinonSpy, arguments);
push.call(collection, s);
return s;
};
sandbox.stub = function stub(object, property) {
if (isNonExistentOwnProperty(object, property)) {
throw new TypeError("Cannot stub non-existent own property " + valueToString(property));
}
var stubbed = sinonStub.apply(null, arguments);
var isStubbingEntireObject = typeof property === "undefined" && typeof object === "object";
if (isStubbingEntireObject) {
var ownMethods = collectOwnMethods(stubbed);
ownMethods.forEach(function (method) {
push.call(collection, method);
});
usePromiseLibrary(promiseLib, ownMethods);
} else {
push.call(collection, stubbed);
usePromiseLibrary(promiseLib, stubbed);
}
return stubbed;
};
sandbox.useFakeTimers = function useFakeTimers(args) {
var clock = sinonClock.useFakeTimers.call(null, args);
sandbox.clock = clock;
push.call(collection, clock);
return clock;
};
sandbox.verify = function verify() {
applyOnEach(collection, "verify");
};
sandbox.verifyAndRestore = function verifyAndRestore() {
var exception;
try {
sandbox.verify();
} catch (e) {
exception = e;
}
sandbox.restore();
if (exception) {
throw exception;
}
};
sandbox.useFakeServer = function useFakeServer() {
var proto = sandbox.serverPrototype || fakeServer;
if (!proto || !proto.create) {
return null;
}
sandbox.server = proto.create();
push.call(collection, sandbox.server);
return sandbox.server;
};
sandbox.useFakeXMLHttpRequest = function useFakeXMLHttpRequest() {
var xhr = fakeXhr.useFakeXMLHttpRequest();
return push.call(collection, xhr);
};
sandbox.usingPromise = function usingPromise(promiseLibrary) {
promiseLib = promiseLibrary;
collection.promiseLibrary = promiseLibrary;
return sandbox;
};
}
Sandbox.prototype.assert = sinonAssert;
Sandbox.prototype.match = sinonMatch;
module.exports = Sandbox;