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# Copyright (C) 2005, 2006 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Black-box tests for bzr diff.
"""
import os
import bzrlib
from bzrlib.branch import Branch
from bzrlib.tests.blackbox import ExternalBase
class TestDiff(ExternalBase):
def make_example_branch(test):
# FIXME: copied from test_too_much -- share elsewhere?
test.runbzr('init')
file('hello', 'wt').write('foo\n')
test.runbzr('add hello')
test.runbzr('commit -m setup hello')
file('goodbye', 'wt').write('baz\n')
test.runbzr('add goodbye')
test.runbzr('commit -m setup goodbye')
def test_diff(self):
self.make_example_branch()
file('hello', 'wt').write('hello world!')
self.runbzr('commit -m fixing hello')
output = self.runbzr('diff -r 2..3', backtick=1, retcode=1)
self.assert_('\n+hello world!' in output)
output = self.runbzr('diff -r last:3..last:1', backtick=1, retcode=1)
self.assert_('\n+baz' in output)
file('moo', 'wb').write('moo')
self.runbzr('add moo')
os.unlink('moo')
self.runbzr('diff')
def test_diff_prefix(self):
self.make_example_branch()
file('hello', 'wt').write('hello world!\n')
out, err = self.runbzr('diff --diff-prefix old/:new/', retcode=1)
self.assertEquals(err, '')
self.assertEqualDiff(out, '''\
=== modified file 'old/hello'
--- old/hello\t
+++ new/hello\t
@@ -1,1 +1,1 @@
-foo
+hello world!
''')
def test_diff_nonexistent(self):
# Get an error from a file that does not exist at all
# (Malone #3619)
self.make_example_branch()
out, err = self.runbzr('diff does-not-exist', retcode=3)
self.assertContainsRe(err, 'not versioned.*does-not-exist')
def test_diff_unversioned(self):
# Get an error when diffing a non-versioned file.
# (Malone #3619)
self.make_example_branch()
self.build_tree(['unversioned-file'])
out, err = self.runbzr('diff unversioned-file', retcode=3)
self.assertContainsRe(err, 'not versioned.*unversioned-file')
# TODO: What should diff say for a file deleted in working tree?
def example_branches(self):
self.build_tree(['branch1/', 'branch1/file'], line_endings='binary')
self.capture('init branch1')
self.capture('add branch1/file')
self.run_bzr_captured(['commit', '-m', 'add file', 'branch1'])
self.capture('branch branch1 branch2')
print >> open('branch2/file', 'wb'), 'new content'
self.run_bzr_captured(['commit', '-m', 'update file', 'branch2'])
def test_diff_branches(self):
self.example_branches()
# should open branch1 and diff against branch2,
output = self.run_bzr_captured(['diff', '-r', 'branch:branch2',
'branch1'],
retcode=1)
self.assertEquals(("=== modified file 'file'\n"
"--- file\t\n"
"+++ file\t\n"
"@@ -1,1 +1,1 @@\n"
"-new content\n"
"+contents of branch1/file\n"
"\n", ''), output)
output = self.run_bzr_captured(['diff', 'branch2', 'branch1'],
retcode=1)
self.assertEqualDiff(("=== modified file 'file'\n"
"--- file\t\n"
"+++ file\t\n"
"@@ -1,1 +1,1 @@\n"
"-new content\n"
"+contents of branch1/file\n"
"\n", ''), output)
def example_branch2(self):
self.build_tree(['branch1/', 'branch1/file1'], line_endings='binary')
self.capture('init branch1')
self.capture('add branch1/file1')
print >> open('branch1/file1', 'wb'), 'original line'
self.run_bzr_captured(['commit', '-m', 'first commit', 'branch1'])
print >> open('branch1/file1', 'wb'), 'repo line'
self.run_bzr_captured(['commit', '-m', 'second commit', 'branch1'])
def test_diff_to_working_tree(self):
self.example_branch2()
print >> open('branch1/file1', 'wb'), 'new line'
output = self.run_bzr_captured(['diff', '-r', '1..', 'branch1'], retcode=1)
self.assertTrue('\n-original line\n+new line\n' in output[0])
class TestCheckoutDiff(TestDiff):
def make_example_branch(self):
super(TestCheckoutDiff, self).make_example_branch()
self.runbzr('checkout . checkout')
os.chdir('checkout')
def example_branch2(self):
super(TestCheckoutDiff, self).example_branch2()
os.mkdir('checkouts')
self.runbzr('checkout branch1 checkouts/branch1')
os.chdir('checkouts')
def example_branches(self):
super(TestCheckoutDiff, self).example_branches()
os.mkdir('checkouts')
self.runbzr('checkout branch1 checkouts/branch1')
self.runbzr('checkout branch2 checkouts/branch2')
os.chdir('checkouts')
class TestDiffLabels(TestDiff):
def test_diff_label_removed(self):
super(TestDiffLabels, self).make_example_branch()
self.runbzr('remove hello')
diff = self.run_bzr_captured(['diff'], retcode=1)
self.assertTrue("=== removed file 'hello'" in diff[0])
def test_diff_label_added(self):
super(TestDiffLabels, self).make_example_branch()
file('barbar', 'wt').write('barbar')
self.runbzr('add barbar')
diff = self.run_bzr_captured(['diff'], retcode=1)
self.assertTrue("=== added file 'barbar'" in diff[0])
def test_diff_label_modified(self):
super(TestDiffLabels, self).make_example_branch()
file('hello', 'wt').write('barbar')
diff = self.run_bzr_captured(['diff'], retcode=1)
self.assertTrue("=== modified file 'hello'" in diff[0])
def test_diff_label_renamed(self):
super(TestDiffLabels, self).make_example_branch()
self.runbzr('rename hello gruezi')
diff = self.run_bzr_captured(['diff'], retcode=1)
self.assertTrue("=== renamed file 'hello' => 'gruezi'" in diff[0])
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