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
|
#!/usr/bin/env python
# Copyright 2017 The Chromium 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 posixpath
import unittest
from devil.android import flag_changer
_CMDLINE_FILE = 'chrome-command-line'
class _FakeDevice(object):
def __init__(self):
self.build_type = 'user'
self.has_root = True
self.file_system = {}
def HasRoot(self):
return self.has_root
def PathExists(self, filepath):
return filepath in self.file_system
def RemovePath(self, path, **_kwargs):
self.file_system.pop(path)
def WriteFile(self, path, contents, **_kwargs):
self.file_system[path] = contents
def ReadFile(self, path, **_kwargs):
return self.file_system[path]
class FlagChangerTest(unittest.TestCase):
def setUp(self):
self.device = _FakeDevice()
# pylint: disable=protected-access
self.cmdline_path = posixpath.join(flag_changer._CMDLINE_DIR, _CMDLINE_FILE)
self.cmdline_path_legacy = posixpath.join(
flag_changer._CMDLINE_DIR_LEGACY, _CMDLINE_FILE)
def testFlagChanger_removeLegacyCmdLine(self):
self.device.WriteFile(self.cmdline_path_legacy, 'chrome --old --stuff')
self.assertTrue(self.device.PathExists(self.cmdline_path_legacy))
changer = flag_changer.FlagChanger(self.device, 'chrome-command-line')
self.assertEquals(
changer._cmdline_path, # pylint: disable=protected-access
self.cmdline_path)
self.assertFalse(self.device.PathExists(self.cmdline_path_legacy))
def testFlagChanger_mustBeFileName(self):
with self.assertRaises(ValueError):
flag_changer.FlagChanger(self.device, '/data/local/chrome-command-line')
class ParseSerializeFlagsTest(unittest.TestCase):
def _testQuoteFlag(self, flag, expected_quoted_flag):
# Start with an unquoted flag, check that it's quoted as expected.
# pylint: disable=protected-access
quoted_flag = flag_changer._QuoteFlag(flag)
self.assertEqual(quoted_flag, expected_quoted_flag)
# Check that it survives a round-trip.
parsed_flags = flag_changer._ParseFlags('_ %s' % quoted_flag)
self.assertEqual(len(parsed_flags), 1)
self.assertEqual(flag, parsed_flags[0])
def testQuoteFlag_simple(self):
self._testQuoteFlag('--simple-flag', '--simple-flag')
def testQuoteFlag_withSimpleValue(self):
self._testQuoteFlag('--key=value', '--key=value')
def testQuoteFlag_withQuotedValue1(self):
self._testQuoteFlag('--key=valueA valueB', '--key="valueA valueB"')
def testQuoteFlag_withQuotedValue2(self):
self._testQuoteFlag(
'--key=this "should" work', r'--key="this \"should\" work"')
def testQuoteFlag_withQuotedValue3(self):
self._testQuoteFlag(
"--key=this is 'fine' too", '''--key="this is 'fine' too"''')
def testQuoteFlag_withQuotedValue4(self):
self._testQuoteFlag(
"--key='I really want to keep these quotes'",
'''--key="'I really want to keep these quotes'"''')
def testQuoteFlag_withQuotedValue5(self):
self._testQuoteFlag(
"--this is a strange=flag", '"--this is a strange=flag"')
def testQuoteFlag_withEmptyValue(self):
self._testQuoteFlag('--some-flag=', '--some-flag=')
def _testParseCmdLine(self, command_line, expected_flags):
# Start with a command line, check that flags are parsed as expected.
# pylint: disable=protected-access
flags = flag_changer._ParseFlags(command_line)
self.assertItemsEqual(flags, expected_flags)
# Check that flags survive a round-trip.
# Note: Although new_command_line and command_line may not match, they
# should describe the same set of flags.
new_command_line = flag_changer._SerializeFlags(flags)
new_flags = flag_changer._ParseFlags(new_command_line)
self.assertItemsEqual(new_flags, expected_flags)
def testParseCmdLine_simple(self):
self._testParseCmdLine(
'chrome --foo --bar="a b" --baz=true --fine="ok"',
['--foo', '--bar=a b', '--baz=true', '--fine=ok'])
def testParseCmdLine_withFancyQuotes(self):
self._testParseCmdLine(
r'''_ --foo="this 'is' ok"
--bar='this \'is\' too'
--baz="this \'is\' tricky"
''',
["--foo=this 'is' ok",
"--bar=this 'is' too",
r"--baz=this \'is\' tricky"])
def testParseCmdLine_withUnterminatedQuote(self):
self._testParseCmdLine(
'_ --foo --bar="I forgot something',
['--foo', '--bar=I forgot something'])
if __name__ == '__main__':
unittest.main(verbosity=2)
|
