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
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io';
import 'package:flutter_devicelab/framework/utils.dart' show rm;
import 'package:path/path.dart' as path;
import 'package:process/process.dart';
import 'common.dart';
void main() {
const ProcessManager processManager = LocalProcessManager();
group('run.dart script', () {
Future<ProcessResult> runScript(List<String> testNames,
[List<String> otherArgs = const <String>[]]) async {
final String dart = path.absolute(
path.join('..', '..', 'bin', 'cache', 'dart-sdk', 'bin', 'dart'));
final ProcessResult scriptProcess = processManager.runSync(<String>[
dart,
'bin/run.dart',
'--no-terminate-stray-dart-processes',
...otherArgs,
for (final String testName in testNames) ...<String>['-t', testName],
]);
return scriptProcess;
}
Future<void> expectScriptResult(
List<String> testNames,
int expectedExitCode,
{String? deviceId}
) async {
final ProcessResult result = await runScript(testNames, <String>[
if (deviceId != null) ...<String>['-d', deviceId],
]);
expect(result.exitCode, expectedExitCode,
reason:
'[ stderr from test process ]\n\n${result.stderr}\n\n[ end of stderr ]'
'\n\n[ stdout from test process ]\n\n${result.stdout}\n\n[ end of stdout ]');
}
test('exits with code 0 when succeeds', () async {
await expectScriptResult(<String>['smoke_test_success'], 0);
});
test('accepts file paths', () async {
await expectScriptResult(
<String>['bin/tasks/smoke_test_success.dart'], 0);
});
test('rejects invalid file paths', () async {
await expectScriptResult(<String>['lib/framework/adb.dart'], 1);
});
test('exits with code 1 when task throws', () async {
await expectScriptResult(<String>['smoke_test_throws'], 1);
});
test('exits with code 1 when fails', () async {
await expectScriptResult(<String>['smoke_test_failure'], 1);
});
test('exits with code 1 when fails to connect', () async {
await expectScriptResult(<String>['smoke_test_setup_failure'], 1);
}, skip: true); // https://github.com/flutter/flutter/issues/53707
test('exits with code 1 when results are mixed', () async {
await expectScriptResult(
<String>[
'smoke_test_failure',
'smoke_test_success',
],
1,
);
});
test('exits with code 0 when provided a valid device ID', () async {
await expectScriptResult(<String>['smoke_test_device'], 0,
deviceId: 'FAKE');
});
test('exits with code 1 when provided a bad device ID', () async {
await expectScriptResult(<String>['smoke_test_device'], 1,
deviceId: 'THIS_IS_NOT_VALID');
});
test('runs A/B test', () async {
final Directory tempDirectory = Directory.systemTemp.createTempSync('flutter_devicelab_ab_test.');
final File abResultsFile = File(path.join(tempDirectory.path, 'test_results.json'));
expect(abResultsFile.existsSync(), isFalse);
final ProcessResult result = await runScript(
<String>['smoke_test_success'],
<String>['--ab=2', '--local-engine=host_debug_unopt', '--ab-result-file', abResultsFile.path],
);
expect(result.exitCode, 0);
String sectionHeader = !Platform.isWindows
? '═════════════════════════╡ ••• A/B results so far ••• ╞═════════════════════════'
: 'A/B results so far';
expect(
result.stdout,
contains(
'$sectionHeader\n'
'\n'
'Score\tAverage A (noise)\tAverage B (noise)\tSpeed-up\n'
'metric1\t42.00 (0.00%)\t42.00 (0.00%)\t1.00x\t\n'
'metric2\t123.00 (0.00%)\t123.00 (0.00%)\t1.00x\t\n',
),
);
sectionHeader = !Platform.isWindows
? '════════════════════════════╡ ••• Raw results ••• ╞═════════════════════════════'
: 'Raw results';
expect(
result.stdout,
contains(
'$sectionHeader\n'
'\n'
'metric1:\n'
' A:\t42.00\t42.00\t\n'
' B:\t42.00\t42.00\t\n'
'metric2:\n'
' A:\t123.00\t123.00\t\n'
' B:\t123.00\t123.00\t\n',
),
);
sectionHeader = !Platform.isWindows
? '═════════════════════════╡ ••• Final A/B results ••• ╞══════════════════════════'
: 'Final A/B results';
expect(
result.stdout,
contains(
'$sectionHeader\n'
'\n'
'Score\tAverage A (noise)\tAverage B (noise)\tSpeed-up\n'
'metric1\t42.00 (0.00%)\t42.00 (0.00%)\t1.00x\t\n'
'metric2\t123.00 (0.00%)\t123.00 (0.00%)\t1.00x\t\n',
),
);
expect(abResultsFile.existsSync(), isTrue);
rm(tempDirectory, recursive: true);
});
test('fails to upload results to Cocoon if flags given', () async {
// CocoonClient will fail to find test-file, and will not send any http requests.
final ProcessResult result = await runScript(
<String>['smoke_test_success'],
<String>['--service-account-file=test-file', '--task-key=task123'],
);
expect(result.exitCode, 1);
});
});
}