-
Notifications
You must be signed in to change notification settings - Fork 1
/
test.js
369 lines (342 loc) · 10 KB
/
test.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
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
'use strict';
/**
* lei-coroutine tests
*
* @author Zongmin Lei <leizongmin@gmail.com>
*/
const expect = require('chai').expect;
const bluebird = require('bluebird');
const coroutine = require('../');
describe('lei-coroutine', function () {
it('wrap - __generatorFunction__', function () {
function* hello(world) {
yield world;
return `hello, ${ world }`;
}
const fn = coroutine.wrap(hello);
// console.log(fn);
expect(fn.__generatorFunction__).to.equal(hello);
});
it('wrap - __sourceLocation__', function () {
const fn = coroutine.wrap(function* hello(world) {
yield world;
return `hello, ${ world }`;
});
// console.log(fn);
expect(fn.__sourceLocation__).to.deep.equal({
file: __filename,
line: 26,
column: 26,
info: `${ __filename }:26:26`,
});
});
it('wrap', function () {
const fn = coroutine.wrap(function* () {
yield coroutine.delay(122);
return yield coroutine.delay(125);
});
return fn().then(ret => {
// console.log(ret);
expect(ret).to.equal(125);
});
});
it('exec', function () {
return coroutine(function* () {
yield coroutine.delay(111);
return yield coroutine.delay(222);
}).then(ret => {
// console.log(ret);
expect(ret).to.equal(222);
});
});
it('exec - with args', function () {
return coroutine(function* (a, b) {
const c = yield coroutine.delay(a);
const d = yield coroutine.delay(b);
return [ c, d ];
}, 123, 321).then(ret => {
// console.log(ret);
expect(ret).to.deep.equal([ 123, 321 ]);
});
});
it('exec - error', function () {
return coroutine(function* () {
yield coroutine.delay(111);
yield coroutine.delay(110);
throw new Error('test');
}).then(ret => {
throw new Error('must throws error');
}).catch(err => {
// console.log(err);
expect(err.message).to.equal('test');
});
});
it('exec - try catch error', function () {
return coroutine(function* () {
try {
yield coroutine.delay(111);
yield coroutine.delay(110);
throw new Error('test');
} catch (err) {
expect(err.message).to.equal('test');
throw new Error('test2');
}
}).then(ret => {
throw new Error('must throws error');
}).catch(err => {
// console.log(err);
expect(err.message).to.equal('test2');
});
});
it('exec - try catch error from yield', function () {
const throwsError = coroutine.wrap(function* throwsError(msg) {
yield coroutine.delay(10);
throw new Error(msg);
});
return coroutine(function* () {
try {
yield throwsError('test3');
throw new Error('test');
} catch (err) {
expect(err.message).to.equal('test3');
throw new Error('test2');
}
}).then(ret => {
throw new Error('must throws error');
}).catch(err => {
// console.log(err);
expect(err.message).to.equal('test2');
});
});
it('exec - can yield not a promise', function () {
return coroutine(function* () {
yield coroutine.delay(111);
yield coroutine.delay(110);
return yield 12345;
}).then(ret => {
// console.log(ret);
expect(ret).to.equal(12345);
});
});
it('exec - nest', function () {
const test1 = coroutine.wrap(function* (a, b) {
yield coroutine.delay(a);
yield coroutine.delay(b);
return [ a, b ];
});
const test2 = coroutine.wrap(function* (a, b) {
yield coroutine.delay(a);
yield coroutine.delay(b);
return [ b, a ];
});
return coroutine(function* (a, b, c, d) {
const ret1 = yield test1(a, b);
const ret2 = yield test2(c, d);
return [ ret1, ret2 ];
}, 1, 2, 3, 4).then(ret => {
expect(ret).to.deep.equal([[ 1, 2 ], [ 4, 3 ]]);
});
});
it('asCallback', function (done) {
coroutine.asCallback(function* () {
yield coroutine.delay(111);
return yield coroutine.delay(222);
}, (err, ret) => {
if (err) return done(err);
expect(ret).to.equal(222);
done();
});
});
it('asCallback - with args', function (done) {
coroutine.asCallback(function* (a, b) {
const c = yield coroutine.delay(a);
const d = yield coroutine.delay(b);
return [ c, d ];
}, 123, 321, (err, ret) => {
if (err) return done(err);
expect(ret).to.deep.equal([ 123, 321 ]);
done();
});
});
it('asCallback - error', function (done) {
coroutine.asCallback(function* () {
yield coroutine.delay(111);
yield coroutine.delay(110);
throw new Error('test');
}, (err, ret) => {
if (!err) return done(new Error('must throws error'));
expect(err.message).to.equal('test');
done();
});
});
it('wrap - keep parameters info', function () {
function firstLine(str) {
return str.split('\n')[0];
}
{
const fn = coroutine.wrap(function* () {});
// console.log(fn.toString());
expect(fn.length).to.equal(0);
expect(firstLine(fn.toString())).to.equal('function () {');
}
{
// eslint-disable-next-line
const fn = coroutine.wrap(function* ( a, b ) {});
// console.log(fn.toString());
expect(fn.length).to.equal(2);
expect(firstLine(fn.toString())).to.equal('function ( a, b ) {');
}
{
const fn = coroutine.wrap(function* haha() {});
// console.log(fn.toString());
expect(fn.length).to.equal(0);
expect(firstLine(fn.toString())).to.equal('function haha() {');
}
{
const fn = coroutine.wrap(function* haha(a, b, c) {});
// console.log(fn.toString());
expect(fn.length).to.equal(3);
expect(firstLine(fn.toString())).to.equal('function haha(a, b, c) {');
}
});
it('parallel', function () {
const test1 = coroutine.wrap(function* (a, b) {
yield coroutine.delay(a);
yield coroutine.delay(b);
return [ a, b ];
});
const test2 = coroutine.wrap(function* (a, b) {
yield coroutine.delay(a);
yield coroutine.delay(b);
return [ b, a ];
});
return coroutine(function* (a, b, c, d) {
return yield coroutine.parallel([
test1(a, b),
test2(c, d),
]);
}, 1, 2, 3, 4).then(ret => {
expect(ret).to.deep.equal([[ 1, 2 ], [ 4, 3 ]]);
});
});
it('parallel - error', function () {
const test1 = coroutine.wrap(function* (a, b) {
yield coroutine.delay(a);
yield coroutine.delay(b);
throw new Error('test1');
});
const test2 = coroutine.wrap(function* (a, b) {
yield coroutine.delay(a);
yield coroutine.delay(b);
throw new Error('test2');
});
return coroutine(function* (a, b, c, d) {
return yield coroutine.parallel([
test1(a, b),
test2(c, d),
]);
}, 1, 2, 3, 4).then(ret => {
throw new Error('must throws error');
}).catch(err => {
expect(err.message).to.equal('test1');
});
});
it('verify generator function', function () {
expect(function () {
coroutine.wrap(function hello() {});
}).to.throw(/not a generator function/);
expect(function () {
coroutine.wrap();
}).to.throw(/not a generator function/);
expect(function () {
coroutine.wrap(null);
}).to.throw(/not a generator function/);
expect(function () {
coroutine.wrap('ok');
}).to.throw(/not a generator function/);
expect(function () {
coroutine.wrap(123);
}).to.throw(/not a generator function/);
expect(function () {
coroutine.wrap({});
}).to.throw(/not a generator function/);
});
it('cb(this, `method`, a, b)', function () {
class Person {
constructor() {
this.time = Date.now();
}
getTime(a, b, callback) {
setImmediate(() => {
callback(null, `${ a }:${ b }:${ this.time }`);
});
}
}
const p = new Person();
return coroutine.cb(p, 'getTime', 123, 456).then(ret => {
// console.log(ret);
expect(ret).to.equal(`123:456:${ p.time }`);
}).then(() => {
return coroutine.cb(p, p.getTime, 456, 789);
}).then(ret => {
// console.log(ret);
expect(ret).to.equal(`456:789:${ p.time }`);
});
});
it('cb(null, `method`, a, b) - throws error', function () {
return coroutine.cb(null, 'getTime', 123, 456).then(ret => {
// console.log(ret);
throw new Error(`must throws error`);
}).catch(err => {
// console.log(err);
expect(err.message).to.equal(`handler must be a function, but got type "string"`);
});
});
it('cb(null, fn, a, b)', function () {
const time = Date.now();
function getTime(a, b, callback) {
setImmediate(() => {
callback(null, `${ a }:${ b }:${ time }`);
});
}
return coroutine.cb(null, getTime, 123, 456).then(ret => {
// console.log(ret);
expect(ret).to.equal(`123:456:${ time }`);
});
});
it('cb(null, fn, a, b) - callback error', function () {
const time = Date.now();
function getTime(a, b, callback) {
setImmediate(() => {
callback(new Error(`${ a }:${ b }:${ time }`));
});
}
return coroutine.cb(null, getTime, 123, 456).then(ret => {
throw new Error(`must callback error`);
}).catch(err => {
// console.log(err);
expect(err.message).to.equal(`123:456:${ time }`);
});
});
it('cb(this, `method`, a, b) - method is not a function', function () {
return coroutine.cb(this, `OOXXXXOO`, 123, 456).then(ret => {
throw new Error(`must callback error`);
}).catch(err => {
// console.log(err);
expect(err.message).to.equal(`handler "OOXXXXOO" must be a function, but got type "string"`);
});
});
it('custom Promise', function (done) {
const originPromise = coroutine.Promise;
coroutine.Promise = bluebird;
coroutine(function* () {
yield coroutine.delay(50);
return 12345;
}).asCallback((err, ret) => {
expect(err).to.be.null;
expect(ret).to.equal(12345);
done();
});
coroutine.Promise = originPromise;
});
});