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
build / android / gyp / util / md5_check_test.py [blame]
#!/usr/bin/env python3
# Copyright 2013 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import fnmatch
import os
import sys
import tempfile
import unittest
import zipfile
sys.path.insert(
0, os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir)))
from util import md5_check
def _WriteZipFile(path, entries):
with zipfile.ZipFile(path, 'w') as zip_file:
for subpath, data in entries:
zip_file.writestr(subpath, data)
class TestMd5Check(unittest.TestCase):
def setUp(self):
self.called = False
self.changes = None
def testCallAndRecordIfStale(self):
input_strings = ['string1', 'string2']
input_file1 = tempfile.NamedTemporaryFile(suffix='.txt')
input_file2 = tempfile.NamedTemporaryFile(suffix='.zip')
file1_contents = b'input file 1'
input_file1.write(file1_contents)
input_file1.flush()
# Test out empty zip file to start.
_WriteZipFile(input_file2.name, [])
input_files = [input_file1.name, input_file2.name]
zip_paths = [input_file2.name]
record_path = tempfile.NamedTemporaryFile(suffix='.stamp')
def CheckCallAndRecord(should_call,
message,
force=False,
outputs_specified=False,
outputs_missing=False,
expected_changes=None,
added_or_modified_only=None,
track_subentries=False,
output_newer_than_record=False):
output_paths = None
if outputs_specified:
output_file1 = tempfile.NamedTemporaryFile()
if outputs_missing:
output_file1.close() # Gets deleted on close().
output_paths = [output_file1.name]
if output_newer_than_record:
output_mtime = os.path.getmtime(output_file1.name)
os.utime(record_path.name, (output_mtime - 1, output_mtime - 1))
else:
# touch the record file so it doesn't look like it's older that
# the output we've just created
os.utime(record_path.name, None)
self.called = False
self.changes = None
if expected_changes or added_or_modified_only is not None:
def MarkCalled(changes):
self.called = True
self.changes = changes
else:
def MarkCalled():
self.called = True
md5_check.CallAndRecordIfStale(
MarkCalled,
record_path=record_path.name,
input_paths=input_files,
input_strings=input_strings,
output_paths=output_paths,
force=force,
pass_changes=(expected_changes or added_or_modified_only) is not None,
track_subpaths_allowlist=zip_paths if track_subentries else None)
self.assertEqual(should_call, self.called, message)
if expected_changes:
description = self.changes.DescribeDifference()
self.assertTrue(fnmatch.fnmatch(description, expected_changes),
'Expected %s to match %s' % (
repr(description), repr(expected_changes)))
if should_call and added_or_modified_only is not None:
self.assertEqual(added_or_modified_only,
self.changes.AddedOrModifiedOnly())
CheckCallAndRecord(True, 'should call when record doesn\'t exist',
expected_changes='Previous stamp file not found.',
added_or_modified_only=False)
CheckCallAndRecord(False, 'should not call when nothing changed')
input_files = input_files[::-1]
CheckCallAndRecord(False, 'reordering of inputs shouldn\'t trigger call')
CheckCallAndRecord(False, 'should not call when nothing changed #2',
outputs_specified=True, outputs_missing=False)
CheckCallAndRecord(True, 'should call when output missing',
outputs_specified=True, outputs_missing=True,
expected_changes='Outputs do not exist:*',
added_or_modified_only=False)
CheckCallAndRecord(True,
'should call when output is newer than record',
expected_changes='Outputs newer than stamp file:*',
outputs_specified=True,
outputs_missing=False,
added_or_modified_only=False,
output_newer_than_record=True)
CheckCallAndRecord(True, force=True, message='should call when forced',
expected_changes='force=True',
added_or_modified_only=False)
input_file1.write(b'some more input')
input_file1.flush()
CheckCallAndRecord(True, 'changed input file should trigger call',
expected_changes='*Modified: %s' % input_file1.name,
added_or_modified_only=True)
input_files = input_files[:1]
CheckCallAndRecord(True, 'removing file should trigger call',
expected_changes='*Removed: %s' % input_file1.name,
added_or_modified_only=False)
input_files.append(input_file1.name)
CheckCallAndRecord(True, 'added input file should trigger call',
expected_changes='*Added: %s' % input_file1.name,
added_or_modified_only=True)
input_strings[0] = input_strings[0] + ' a bit longer'
CheckCallAndRecord(True, 'changed input string should trigger call',
expected_changes='*Input strings changed*',
added_or_modified_only=False)
input_strings = input_strings[::-1]
CheckCallAndRecord(True, 'reordering of string inputs should trigger call',
expected_changes='*Input strings changed*')
input_strings = input_strings[:1]
CheckCallAndRecord(True, 'removing a string should trigger call')
input_strings.append('a brand new string')
CheckCallAndRecord(
True,
'added input string should trigger call',
added_or_modified_only=False)
_WriteZipFile(input_file2.name, [('path/1.txt', '1')])
CheckCallAndRecord(
True,
'added subpath should trigger call',
expected_changes='*Modified: %s*Subpath added: %s' % (input_file2.name,
'path/1.txt'),
added_or_modified_only=True,
track_subentries=True)
_WriteZipFile(input_file2.name, [('path/1.txt', '2')])
CheckCallAndRecord(
True,
'changed subpath should trigger call',
expected_changes='*Modified: %s*Subpath modified: %s' %
(input_file2.name, 'path/1.txt'),
added_or_modified_only=True,
track_subentries=True)
_WriteZipFile(input_file2.name, [])
CheckCallAndRecord(True, 'removed subpath should trigger call',
expected_changes='*Modified: %s*Subpath removed: %s' % (
input_file2.name, 'path/1.txt'),
added_or_modified_only=False)
if __name__ == '__main__':
unittest.main()