1
# Copyright (C) 2005, 2006 Canonical Ltd
1
# Copyright (C) 2005, 2006 by Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
11
# GNU General Public License for more details.
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
18
"""Black-box tests for bzr diff.
30
def subst_dates(string):
31
"""Replace date strings with constant values."""
32
return re.sub(r'\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2} [-\+]\d{4}',
33
'YYYY-MM-DD HH:MM:SS +ZZZZ', string)
36
class DiffBase(tests.TestCaseWithTransport):
37
"""Base class with common setup method"""
39
def make_example_branch(self):
40
tree = self.make_branch_and_tree('.')
41
self.build_tree_contents([
43
('goodbye', 'baz\n')])
51
class TestDiff(DiffBase):
24
from bzrlib.branch import Branch
25
from bzrlib.tests.blackbox import ExternalBase
28
class TestDiff(ExternalBase):
30
def make_example_branch(test):
31
# FIXME: copied from test_too_much -- share elsewhere?
33
file('hello', 'wt').write('foo\n')
34
test.runbzr('add hello')
35
test.runbzr('commit -m setup hello')
36
file('goodbye', 'wt').write('baz\n')
37
test.runbzr('add goodbye')
38
test.runbzr('commit -m setup goodbye')
53
40
def test_diff(self):
54
tree = self.make_example_branch()
55
self.build_tree_contents([('hello', 'hello world!')])
56
tree.commit(message='fixing hello')
57
output = self.run_bzr('diff -r 2..3', retcode=1)[0]
58
self.assert_('\n+hello world!' in output)
59
output = self.run_bzr('diff -c 3', retcode=1)[0]
60
self.assert_('\n+hello world!' in output)
61
output = self.run_bzr('diff -r last:3..last:1', retcode=1)[0]
62
self.assert_('\n+baz' in output)
63
output = self.run_bzr('diff -c last:2', retcode=1)[0]
64
self.assert_('\n+baz' in output)
65
self.build_tree(['moo'])
41
self.make_example_branch()
42
file('hello', 'wt').write('hello world!')
43
self.runbzr('commit -m fixing hello')
44
output = self.runbzr('diff -r 2..3', backtick=1, retcode=1)
45
self.assert_('\n+hello world!' in output)
46
output = self.runbzr('diff -r last:3..last:1', backtick=1, retcode=1)
47
self.assert_('\n+baz' in output)
48
file('moo', 'wb').write('moo')
49
self.runbzr('add moo')
70
53
def test_diff_prefix(self):
71
54
"""diff --prefix appends to filenames in output"""
72
55
self.make_example_branch()
73
self.build_tree_contents([('hello', 'hello world!\n')])
74
out, err = self.run_bzr('diff --prefix old/:new/', retcode=1)
56
file('hello', 'wt').write('hello world!\n')
57
out, err = self.runbzr('diff --prefix old/:new/', retcode=1)
75
58
self.assertEquals(err, '')
76
self.assertEqualDiff(subst_dates(out), '''\
59
self.assertEqualDiff(out, '''\
77
60
=== modified file 'hello'
78
--- old/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
79
+++ new/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
86
def test_diff_illegal_prefix_value(self):
87
# There was an error in error reporting for this option
88
out, err = self.run_bzr('diff --prefix old/', retcode=3)
89
self.assertContainsRe(err,
90
'--prefix expects two values separated by a colon')
92
69
def test_diff_p1(self):
93
70
"""diff -p1 produces lkml-style diffs"""
94
71
self.make_example_branch()
95
self.build_tree_contents([('hello', 'hello world!\n')])
96
out, err = self.run_bzr('diff -p1', retcode=1)
72
file('hello', 'wt').write('hello world!\n')
73
out, err = self.runbzr('diff -p1', retcode=1)
97
74
self.assertEquals(err, '')
98
self.assertEqualDiff(subst_dates(out), '''\
75
self.assertEqualDiff(out, '''\
99
76
=== modified file 'hello'
100
--- old/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
101
+++ new/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
125
102
# Get an error from a file that does not exist at all
127
104
self.make_example_branch()
128
out, err = self.run_bzr('diff does-not-exist', retcode=3,
129
error_regexes=('not versioned.*does-not-exist',))
131
def test_diff_illegal_revision_specifiers(self):
132
out, err = self.run_bzr('diff -r 1..23..123', retcode=3,
133
error_regexes=('one or two revision specifiers',))
135
def test_diff_nonexistent_revision(self):
136
out, err = self.run_bzr('diff -r 123', retcode=3,
137
error_regexes=("Requested revision: '123' does not "
138
"exist in branch:",))
140
def test_diff_nonexistent_dotted_revision(self):
141
out, err = self.run_bzr('diff -r 1.1', retcode=3)
142
self.assertContainsRe(err,
143
"Requested revision: '1.1' does not exist in branch:")
145
def test_diff_nonexistent_dotted_revision_change(self):
146
out, err = self.run_bzr('diff -c 1.1', retcode=3)
147
self.assertContainsRe(err,
148
"Requested revision: '1.1' does not exist in branch:")
105
out, err = self.runbzr('diff does-not-exist', retcode=3)
106
self.assertContainsRe(err, 'not versioned.*does-not-exist')
150
108
def test_diff_unversioned(self):
151
109
# Get an error when diffing a non-versioned file.
153
111
self.make_example_branch()
154
112
self.build_tree(['unversioned-file'])
155
out, err = self.run_bzr('diff unversioned-file', retcode=3)
113
out, err = self.runbzr('diff unversioned-file', retcode=3)
156
114
self.assertContainsRe(err, 'not versioned.*unversioned-file')
158
116
# TODO: What should diff say for a file deleted in working tree?
160
118
def example_branches(self):
161
branch1_tree = self.make_branch_and_tree('branch1')
162
self.build_tree(['branch1/file'], line_endings='binary')
163
self.build_tree(['branch1/file2'], line_endings='binary')
164
branch1_tree.add('file')
165
branch1_tree.add('file2')
166
branch1_tree.commit(message='add file and file2')
167
branch2_tree = branch1_tree.bzrdir.sprout('branch2').open_workingtree()
168
self.build_tree_contents([('branch2/file', 'new content\n')])
169
branch2_tree.commit(message='update file')
170
return branch1_tree, branch2_tree
172
def check_b2_vs_b1(self, cmd):
173
# Compare branch2 vs branch1 using cmd and check the result
174
out, err = self.run_bzr(cmd, retcode=1)
175
self.assertEquals('', err)
176
self.assertEquals("=== modified file 'file'\n"
177
"--- file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
178
"+++ file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
181
"+contents of branch1/file\n"
182
"\n", subst_dates(out))
184
def check_b1_vs_b2(self, cmd):
185
# Compare branch1 vs branch2 using cmd and check the result
186
out, err = self.run_bzr(cmd, retcode=1)
187
self.assertEquals('', err)
188
self.assertEqualDiff("=== modified file 'file'\n"
189
"--- file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
190
"+++ file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
192
"-contents of branch1/file\n"
194
"\n", subst_dates(out))
196
def check_no_diffs(self, cmd):
197
# Check that running cmd returns an empty diff
198
out, err = self.run_bzr(cmd, retcode=0)
199
self.assertEquals('', err)
200
self.assertEquals('', out)
119
self.build_tree(['branch1/', 'branch1/file'], line_endings='binary')
120
self.capture('init branch1')
121
self.capture('add branch1/file')
122
self.run_bzr_captured(['commit', '-m', 'add file', 'branch1'])
123
self.capture('branch branch1 branch2')
124
print >> open('branch2/file', 'wb'), 'new content'
125
self.run_bzr_captured(['commit', '-m', 'update file', 'branch2'])
202
127
def test_diff_branches(self):
203
128
self.example_branches()
204
# should open branch1 and diff against branch2,
205
self.check_b2_vs_b1('diff -r branch:branch2 branch1')
206
# Compare two working trees using various syntax forms
207
self.check_b2_vs_b1('diff --old branch2 --new branch1')
208
self.check_b2_vs_b1('diff --old branch2 branch1')
209
self.check_b2_vs_b1('diff branch2 --new branch1')
210
# Test with a selected file that was changed
211
self.check_b2_vs_b1('diff --old branch2 --new branch1 file')
212
self.check_b2_vs_b1('diff --old branch2 branch1/file')
213
self.check_b2_vs_b1('diff branch2/file --new branch1')
214
# Test with a selected file that was not changed
215
self.check_no_diffs('diff --old branch2 --new branch1 file2')
216
self.check_no_diffs('diff --old branch2 branch1/file2')
217
self.check_no_diffs('diff branch2/file2 --new branch1')
219
def test_diff_branches_no_working_trees(self):
220
branch1_tree, branch2_tree = self.example_branches()
221
# Compare a working tree to a branch without a WT
222
dir1 = branch1_tree.bzrdir
223
dir1.destroy_workingtree()
224
self.assertFalse(dir1.has_workingtree())
225
self.check_b2_vs_b1('diff --old branch2 --new branch1')
226
self.check_b2_vs_b1('diff --old branch2 branch1')
227
self.check_b2_vs_b1('diff branch2 --new branch1')
228
# Compare a branch without a WT to one with a WT
229
self.check_b1_vs_b2('diff --old branch1 --new branch2')
230
self.check_b1_vs_b2('diff --old branch1 branch2')
231
self.check_b1_vs_b2('diff branch1 --new branch2')
232
# Compare a branch with a WT against another without a WT
233
dir2 = branch2_tree.bzrdir
234
dir2.destroy_workingtree()
235
self.assertFalse(dir2.has_workingtree())
236
self.check_b1_vs_b2('diff --old branch1 --new branch2')
237
self.check_b1_vs_b2('diff --old branch1 branch2')
238
self.check_b1_vs_b2('diff branch1 --new branch2')
240
def test_diff_revno_branches(self):
241
self.example_branches()
242
branch2_tree = workingtree.WorkingTree.open_containing('branch2')[0]
243
self.build_tree_contents([('branch2/file', 'even newer content')])
244
branch2_tree.commit(message='update file once more')
246
out, err = self.run_bzr('diff -r revno:1:branch2..revno:1:branch1',
248
self.assertEquals('', err)
249
self.assertEquals('', out)
250
out, err = self.run_bzr('diff -r revno:2:branch2..revno:1:branch1',
252
self.assertEquals('', err)
253
self.assertEqualDiff("=== modified file 'file'\n"
254
"--- file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
255
"+++ file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
129
# should open branch1 and diff against branch2,
130
output = self.run_bzr_captured(['diff', '-r', 'branch:branch2',
133
self.assertEquals(("=== modified file 'file'\n"
138
"+contents of branch1/file\n"
140
output = self.run_bzr_captured(['diff', 'branch2', 'branch1'],
142
self.assertEqualDiff(("=== modified file 'file'\n"
256
145
"@@ -1,1 +1,1 @@\n"
258
147
"+contents of branch1/file\n"
259
"\n", subst_dates(out))
261
150
def example_branch2(self):
262
branch1_tree = self.make_branch_and_tree('branch1')
263
self.build_tree_contents([('branch1/file1', 'original line\n')])
264
branch1_tree.add('file1')
265
branch1_tree.commit(message='first commit')
266
self.build_tree_contents([('branch1/file1', 'repo line\n')])
267
branch1_tree.commit(message='second commit')
151
self.build_tree(['branch1/', 'branch1/file1'], line_endings='binary')
152
self.capture('init branch1')
153
self.capture('add branch1/file1')
154
print >> open('branch1/file1', 'wb'), 'original line'
155
self.run_bzr_captured(['commit', '-m', 'first commit', 'branch1'])
157
print >> open('branch1/file1', 'wb'), 'repo line'
158
self.run_bzr_captured(['commit', '-m', 'second commit', 'branch1'])
270
160
def test_diff_to_working_tree(self):
271
161
self.example_branch2()
272
self.build_tree_contents([('branch1/file1', 'new line')])
273
output = self.run_bzr('diff -r 1.. branch1', retcode=1)
274
self.assertContainsRe(output[0], '\n\\-original line\n\\+new line\n')
276
def test_diff_to_working_tree_in_subdir(self):
277
self.example_branch2()
278
self.build_tree_contents([('branch1/file1', 'new line')])
279
os.mkdir('branch1/dir1')
280
os.chdir('branch1/dir1')
281
output = self.run_bzr('diff -r 1..', retcode=1)
282
self.assertContainsRe(output[0], '\n\\-original line\n\\+new line\n')
284
def test_diff_across_rename(self):
285
"""The working tree path should always be considered for diffing"""
286
tree = self.make_example_branch()
287
self.run_bzr('diff -r 0..1 hello', retcode=1)
288
tree.rename_one('hello', 'hello1')
289
self.run_bzr('diff hello1', retcode=1)
290
self.run_bzr('diff -r 0..1 hello1', retcode=1)
292
def test_diff_to_branch_no_working_tree(self):
293
branch1_tree = self.example_branch2()
294
dir1 = branch1_tree.bzrdir
295
dir1.destroy_workingtree()
296
self.assertFalse(dir1.has_workingtree())
297
output = self.run_bzr('diff -r 1.. branch1', retcode=1)
298
self.assertContainsRe(output[0], '\n\\-original line\n\\+repo line\n')
163
print >> open('branch1/file1', 'wb'), 'new line'
164
output = self.run_bzr_captured(['diff', '-r', '1..', 'branch1'], retcode=1)
165
self.assertTrue('\n-original line\n+new line\n' in output[0])
301
168
class TestCheckoutDiff(TestDiff):
303
170
def make_example_branch(self):
304
tree = super(TestCheckoutDiff, self).make_example_branch()
305
tree = tree.branch.create_checkout('checkout')
171
super(TestCheckoutDiff, self).make_example_branch()
172
self.runbzr('checkout . checkout')
306
173
os.chdir('checkout')
309
175
def example_branch2(self):
310
tree = super(TestCheckoutDiff, self).example_branch2()
176
super(TestCheckoutDiff, self).example_branch2()
311
177
os.mkdir('checkouts')
312
tree = tree.branch.create_checkout('checkouts/branch1')
178
self.runbzr('checkout branch1 checkouts/branch1')
313
179
os.chdir('checkouts')
316
181
def example_branches(self):
317
branch1_tree, branch2_tree = super(TestCheckoutDiff, self).example_branches()
182
super(TestCheckoutDiff, self).example_branches()
318
183
os.mkdir('checkouts')
319
branch1_tree = branch1_tree.branch.create_checkout('checkouts/branch1')
320
branch2_tree = branch2_tree.branch.create_checkout('checkouts/branch2')
184
self.runbzr('checkout branch1 checkouts/branch1')
185
self.runbzr('checkout branch2 checkouts/branch2')
321
186
os.chdir('checkouts')
322
return branch1_tree, branch2_tree
325
class TestDiffLabels(DiffBase):
189
class TestDiffLabels(TestDiff):
327
191
def test_diff_label_removed(self):
328
tree = super(TestDiffLabels, self).make_example_branch()
329
tree.remove('hello', keep_files=False)
330
diff = self.run_bzr('diff', retcode=1)
192
super(TestDiffLabels, self).make_example_branch()
193
self.runbzr('remove hello')
194
diff = self.run_bzr_captured(['diff'], retcode=1)
331
195
self.assertTrue("=== removed file 'hello'" in diff[0])
333
197
def test_diff_label_added(self):
334
tree = super(TestDiffLabels, self).make_example_branch()
335
self.build_tree_contents([('barbar', 'barbar')])
337
diff = self.run_bzr('diff', retcode=1)
198
super(TestDiffLabels, self).make_example_branch()
199
file('barbar', 'wt').write('barbar')
200
self.runbzr('add barbar')
201
diff = self.run_bzr_captured(['diff'], retcode=1)
338
202
self.assertTrue("=== added file 'barbar'" in diff[0])
340
204
def test_diff_label_modified(self):
341
205
super(TestDiffLabels, self).make_example_branch()
342
self.build_tree_contents([('hello', 'barbar')])
343
diff = self.run_bzr('diff', retcode=1)
206
file('hello', 'wt').write('barbar')
207
diff = self.run_bzr_captured(['diff'], retcode=1)
344
208
self.assertTrue("=== modified file 'hello'" in diff[0])
346
210
def test_diff_label_renamed(self):
347
tree = super(TestDiffLabels, self).make_example_branch()
348
tree.rename_one('hello', 'gruezi')
349
diff = self.run_bzr('diff', retcode=1)
211
super(TestDiffLabels, self).make_example_branch()
212
self.runbzr('rename hello gruezi')
213
diff = self.run_bzr_captured(['diff'], retcode=1)
350
214
self.assertTrue("=== renamed file 'hello' => 'gruezi'" in diff[0])
353
class TestExternalDiff(DiffBase):
355
def test_external_diff(self):
356
"""Test that we can spawn an external diff process"""
357
self.disable_missing_extensions_warning()
358
# We have to use run_bzr_subprocess, because we need to
359
# test writing directly to stdout, (there was a bug in
360
# subprocess.py that we had to workaround).
361
# However, if 'diff' may not be available
362
self.make_example_branch()
363
# this will be automatically restored by the base bzr test class
364
os.environ['BZR_PROGRESS_BAR'] = 'none'
365
out, err = self.run_bzr_subprocess('diff -r 1 --diff-options -ub',
366
universal_newlines=True,
368
if 'Diff is not installed on this machine' in err:
369
raise tests.TestSkipped("No external 'diff' is available")
370
self.assertEqual('', err)
371
# We have to skip the stuff in the middle, because it depends
373
self.assertStartsWith(out, "=== added file 'goodbye'\n"
374
"--- goodbye\t1970-01-01 00:00:00 +0000\n"
376
self.assertEndsWith(out, "\n@@ -0,0 +1 @@\n"
380
class TestDiffOutput(DiffBase):
382
def test_diff_output(self):
383
# check that output doesn't mangle line-endings
384
self.make_example_branch()
385
self.build_tree_contents([('hello', 'hello world!\n')])
386
output = self.run_bzr_subprocess('diff', retcode=1)[0]
387
self.assert_('\n+hello world!\n' in output)
added
removed
bzrlib/tests/blackbox/test_diff.py
