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from bzrlib.branch import Branch
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from bzrlib.tests.blackbox import ExternalBase
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def subst_dates(string):
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"""Replace date strings with constant values."""
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return re.sub(r'\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2} [-\+]\d{4}',
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'YYYY-MM-DD HH:MM:SS +ZZZZ', string)
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class TestDiff(ExternalBase):
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def make_example_branch(test):
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# FIXME: copied from test_too_much -- share elsewhere?
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test.runbzr('init')
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file('hello', 'wt').write('foo')
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file('hello', 'wt').write('foo\n')
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test.runbzr('add hello')
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test.runbzr('commit -m setup hello')
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file('goodbye', 'wt').write('baz')
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file('goodbye', 'wt').write('baz\n')
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test.runbzr('add goodbye')
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test.runbzr('commit -m setup goodbye')
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self.runbzr('diff')
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def test_diff_prefix(self):
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"""diff --prefix appends to filenames in output"""
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self.make_example_branch()
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file('hello', 'wt').write('hello world!\n')
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out, err = self.runbzr('diff --prefix old/:new/', retcode=1)
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self.assertEquals(err, '')
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self.assertEqualDiff(subst_dates(out), '''\
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=== modified file 'hello'
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--- old/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
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+++ new/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
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def test_diff_p1(self):
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"""diff -p1 produces lkml-style diffs"""
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self.make_example_branch()
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file('hello', 'wt').write('hello world!\n')
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out, err = self.runbzr('diff -p1', retcode=1)
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self.assertEquals(err, '')
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self.assertEqualDiff(subst_dates(out), '''\
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=== modified file 'hello'
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--- old/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
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+++ new/hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
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def test_diff_p0(self):
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"""diff -p0 produces diffs with no prefix"""
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self.make_example_branch()
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file('hello', 'wt').write('hello world!\n')
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out, err = self.runbzr('diff -p0', retcode=1)
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self.assertEquals(err, '')
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self.assertEqualDiff(subst_dates(out), '''\
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=== modified file 'hello'
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--- hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
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+++ hello\tYYYY-MM-DD HH:MM:SS +ZZZZ
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def test_diff_nonexistent(self):
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# Get an error from a file that does not exist at all
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def test_diff_branches(self):
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self.example_branches()
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# should open branch1 and diff against branch2,
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output = self.run_bzr_captured(['diff', '-r', 'branch:branch2',
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self.assertEquals(("=== modified file 'a/file'\n"
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"+contents of branch1/file\n"
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output = self.run_bzr_captured(['diff', 'branch2', 'branch1'],
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self.assertEqualDiff(("=== modified file 'a/file'\n"
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out, err = self.run_bzr_captured(['diff', '-r', 'branch:branch2',
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self.assertEquals('', err)
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self.assertEquals("=== modified file 'file'\n"
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"--- file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
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"+++ file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
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"+contents of branch1/file\n"
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"\n", subst_dates(out))
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out, ett = self.run_bzr_captured(['diff', 'branch2', 'branch1'],
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self.assertEquals('', err)
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self.assertEqualDiff("=== modified file 'file'\n"
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"--- file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
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"+++ file\tYYYY-MM-DD HH:MM:SS +ZZZZ\n"
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"@@ -1,1 +1,1 @@\n"
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"+contents of branch1/file\n"
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"\n", subst_dates(out))
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def example_branch2(self):
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self.build_tree(['branch1/', 'branch1/file1'], line_endings='binary')
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super(TestDiffLabels, self).make_example_branch()
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self.runbzr('remove hello')
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diff = self.run_bzr_captured(['diff'], retcode=1)
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self.assertTrue("=== removed file 'a/hello'" in diff[0])
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self.assertTrue("=== removed file 'hello'" in diff[0])
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def test_diff_label_added(self):
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super(TestDiffLabels, self).make_example_branch()
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file('barbar', 'wt').write('barbar')
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self.runbzr('add barbar')
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diff = self.run_bzr_captured(['diff'], retcode=1)
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self.assertTrue("=== added file 'b/barbar'" in diff[0])
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self.assertTrue("=== added file 'barbar'" in diff[0])
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def test_diff_label_modified(self):
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super(TestDiffLabels, self).make_example_branch()
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file('hello', 'wt').write('barbar')
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diff = self.run_bzr_captured(['diff'], retcode=1)
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self.assertTrue("=== modified file 'a/hello'" in diff[0])
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self.assertTrue("=== modified file 'hello'" in diff[0])
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def test_diff_label_renamed(self):
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super(TestDiffLabels, self).make_example_branch()
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self.runbzr('rename hello gruezi')
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diff = self.run_bzr_captured(['diff'], retcode=1)
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self.assertTrue("=== renamed file 'a/hello' => 'b/gruezi'" in diff[0])
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self.assertTrue("=== renamed file 'hello' => 'gruezi'" in diff[0])