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
|
#!/usr/bin/python -tt
#
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for bmpblk_utility.
"""
import os
import sys
import subprocess
import unittest
def runprog(*args):
"""Runs specified program and args, returns (exitcode, stdout, stderr)."""
p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
return (p.returncode, out, err)
class TestFailures(unittest.TestCase):
def testNoArgs(self):
"""Running with no args should print usage and fail."""
rc, out, err = runprog(prog)
self.assertNotEqual(0, rc)
self.assertTrue(err.count("missing BMPBLOCK name"))
self.assertTrue(out.count("bmpblk_utility"))
def testMissingBmp(self):
"""Missing a bmp specified in the yaml is an error."""
rc, out, err = runprog(prog, '-c', 'case_nobmp.yaml', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("No such file or directory"))
def testInvalidBmp(self):
"""A .bmp file that isn't really a BMP should fail."""
rc, out, err = runprog(prog, '-c', 'case_badbmp.yaml', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("Unsupported image format"))
def testBadCompression(self):
"""Wrong compression types should fail."""
rc, out, err = runprog(prog, '-z', '99', '-c', 'case_simple.yaml', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("compression type"))
class TestOverWrite(unittest.TestCase):
def setUp(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
def testOverwrite(self):
"""Create, unpack, unpack again, with and without -f"""
rc, out, err = runprog(prog, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertNotEqual(0, rc)
self.assertTrue(err.count("File exists"))
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', '-f', 'FOO')
self.assertEqual(0, rc)
def tearDown(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
class TestPackUnpack(unittest.TestCase):
def setUp(self):
self._cwd = os.getcwd()
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
def testPackUnpack(self):
"""Create, unpack, recreate without compression"""
rc, out, err = runprog(prog, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
os.chdir('./FOO_DIR')
rc, out, err = runprog(prog, '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertEqual(0, rc)
os.chdir('..')
def doPackUnpackZ(self, comp):
"""Create, unpack, recreate with a given compression"""
rc, out, err = runprog(prog, '-z', comp, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
os.chdir('./FOO_DIR')
rc, out, err = runprog(prog, '-z', comp, '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertEqual(0, rc)
os.chdir('..')
def testPackUnpackZ1(self):
"""Create, unpack, recreate with EFIv1 compression"""
self.doPackUnpackZ('1');
def testPackUnpackZ2(self):
"""Create, unpack, recreate with LZMA compression"""
self.doPackUnpackZ('2');
def doPackUnpackImplicitZ(self, comp, noncomp):
"""Create with given compression, unpack, repack without specifying"""
# create with the specified compression scheme
rc, out, err = runprog(prog, '-z', comp, '-c', 'case_simple.yaml', 'FOO')
self.assertEqual(0, rc)
# unpack. yaml file should have compression scheme in it
rc, out, err = runprog(prog, '-f', '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
os.chdir('./FOO_DIR')
# create with no compression specified, should use default from yaml
rc, out, err = runprog(prog, '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
# so new output should match original
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertEqual(0, rc)
# Now make sure that specifying a compression arg will override the default
for mycomp in noncomp:
# create with compression scheme different from default
rc, out, err = runprog(prog, '-z', str(mycomp), '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
# should be different binary
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertNotEqual(0, rc)
os.chdir('..')
def testPackUnpackImplicitZ(self):
"""Create, unpack, recreate with implicit compression"""
self._allowed = range(3)
for c in self._allowed:
self.doPackUnpackImplicitZ(str(c), [x for x in self._allowed if x != c])
def tearDown(self):
os.chdir(self._cwd)
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
class TestReproducable(unittest.TestCase):
def setUp(self):
rc, out, err = runprog('/bin/rm', '-f', 'ORDER1', 'ORDER2')
self.assertEqual(0, rc)
def disabledTestReproduce(self):
"""Equivalent yaml files should produce identical bmpblocks"""
# TODO: This test is currently broken because bmpblock_utility
# uses a map to hold the images, and the map doesn't preserve image
# order. So a simple compare is insufficient to determine that
# the bmpblocks are equivalent. See crosbug.com/19541.
rc, out, err = runprog(prog, '-c', 'case_order1.yaml', 'ORDER1')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-c', 'case_order2.yaml', 'ORDER2')
self.assertEqual(0, rc)
rc, out, err = runprog('/usr/bin/cmp', 'ORDER1', 'ORDER2')
self.assertEqual(0, rc)
def tearDown(self):
rc, out, err = runprog('/bin/rm', '-f', 'ORDER1', 'ORDER2')
self.assertEqual(0, rc)
class TestReuse(unittest.TestCase):
def setUp(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
def testReuse(self):
"""Reusing screens in the yaml file should be okay"""
rc, out, err = runprog(prog, '-c', 'case_reuse.yaml', 'FOO')
self.assertEqual(0, rc)
rc, out, err = runprog(prog, '-x', '-d', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
os.chdir('./FOO_DIR')
rc, out, err = runprog(prog, '-c', 'config.yaml', 'BAR')
self.assertEqual(0, rc)
rc, out, err = runprog('/usr/bin/cmp', '../FOO', 'BAR')
self.assertEqual(0, rc)
os.chdir('..')
def tearDown(self):
rc, out, err = runprog('/bin/rm', '-rf', './FOO_DIR', 'FOO')
self.assertEqual(0, rc)
# Run these tests
if __name__ == '__main__':
varname = 'BMPBLK'
if varname not in os.environ:
print('You must specify the path to bmpblk_utility in the $%s '
'environment variable.' % varname)
sys.exit(1)
prog = os.environ[varname]
print "Testing prog...", prog
unittest.main()
|
