forked from microsoft/playwright
/
expect-to-pass.spec.ts
182 lines (172 loc) · 5.46 KB
/
expect-to-pass.spec.ts
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
/**
* Copyright Microsoft Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { test, expect, stripAnsi } from './playwright-test-fixtures';
test('should retry predicate', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should toPass sync predicate', async () => {
let i = 0;
await test.expect(() => {
expect(++i).toBe(3);
}).toPass();
expect(i).toBe(3);
});
test('should toPass async predicate', async () => {
let i = 0;
await test.expect(async () => {
await new Promise(x => setTimeout(x, 50));
expect(++i).toBe(3);
}).toPass();
expect(i).toBe(3);
});
`
});
expect(result.exitCode).toBe(0);
expect(result.passed).toBe(2);
});
test('should respect timeout', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should fail', async () => {
await test.expect(() => {
expect(1).toBe(2);
}).toPass({ timeout: 100 });
});
`
});
expect(result.exitCode).toBe(1);
expect(stripAnsi(result.output)).toContain('Timeout 100ms exceeded while waiting on the predicate');
expect(stripAnsi(result.output)).toContain('Received: 1');
expect(stripAnsi(result.output)).toContain(`
7 | await test.expect(() => {
`.trim());
});
test('should not fail when used with web-first assertion', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should fail', async ({ page }) => {
let i = 0;
await test.expect(async () => {
if (++i < 3)
await expect(page.locator('body')).toHaveText('foo', { timeout: 1 });
}).toPass();
});
`
});
expect(result.exitCode).toBe(0);
expect(result.passed).toBe(1);
});
test('should support .not predicate', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should pass', async ({ page }) => {
let i = 0;
await test.expect(() => {
expect(++i).toBeLessThan(3);
}).not.toPass();
expect(i).toBe(3);
});
`
});
expect(result.exitCode).toBe(0);
expect(result.passed).toBe(1);
});
test('should respect interval', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should fail', async () => {
let probes = 0;
await test.expect(() => {
++probes
expect(1).toBe(2);
}).toPass({ timeout: 1000, intervals: [600] }).catch(() => {});
// Probe at 0s, at 0.6s.
expect(probes).toBe(2);
});
`
});
expect(result.exitCode).toBe(0);
});
test('should compile', async ({ runTSC }) => {
const result = await runTSC({
'a.spec.ts': `
const { test } = pwt;
test('should poll sync predicate', async ({ page }) => {
let i = 0;
test.expect(() => ++i).toPass();
test.expect(() => ++i, 'message').toPass();
test.expect(() => ++i, { message: 'message' }).toPass();
test.expect(() => ++i).toPass({ timeout: 100 });
test.expect(() => ++i, { message: 'message' }).toPass({ timeout: 100 });
test.expect(async () => {
await new Promise(x => setTimeout(x, 50));
return ++i;
}).toPass();
test.expect(() => Promise.resolve(++i)).toPass();
});
`
});
expect(result.exitCode).toBe(0);
});
test('should use custom message', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should fail with custom message', async () => {
await test.expect(() => {
expect(1).toBe(3);
}, 'Custom message').toPass({ timeout: 1 });
});
`
});
expect(stripAnsi(result.output)).toContain('Error: Custom message');
expect(result.exitCode).toBe(1);
expect(result.failed).toBe(1);
});
test('should work with soft', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should respect soft', async () => {
await test.expect.soft(() => {
expect(1).toBe(3);
}).toPass({ timeout: 1 });
expect.soft(2).toBe(3);
});
`
});
expect(stripAnsi(result.output)).toContain('Received: 1');
expect(stripAnsi(result.output)).toContain('Received: 2');
expect(result.exitCode).toBe(1);
expect(result.failed).toBe(1);
});
test('should not accept TimeoutError', async ({ runInlineTest }) => {
const result = await runInlineTest({
'a.spec.ts': `
const { test } = pwt;
test('should fail', async () => {
await test.expect(() => {}).not.toPass({ timeout: 1 });
});
`
});
expect(result.exitCode).toBe(1);
expect(result.failed).toBe(1);
});