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Viewing changes to bzrlib/tests/test_diff.py

  • Committer: Jelmer Vernooij
  • Date: 2011-05-10 07:46:15 UTC
  • mfrom: (5844 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5845.
  • Revision ID: jelmer@samba.org-20110510074615-eptod049ndjxc4i7
Merge bzr.dev.

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bzrlib/tests/test_diff.py
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        output = StringIO.StringIO()
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        diff.internal_diff(u'old_\xb5', ['old_text\n'],
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                            u'new_\xe5', ['new_text\n'], output)
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        self.failUnless(isinstance(output.getvalue(), str),
 
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        self.assertIsInstance(output.getvalue(), str,
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            'internal_diff should return bytestrings')
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        self.assertEqual(out.splitlines(True) + ['\n'], lines)
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class TestShowDiffTreesHelper(tests.TestCaseWithTransport):
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    """Has a helper for running show_diff_trees"""
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    def get_diff(self, tree1, tree2, specific_files=None, working_tree=None):
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        output = StringIO()
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        if working_tree is not None:
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            extra_trees = (working_tree,)
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        else:
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            extra_trees = ()
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        diff.show_diff_trees(tree1, tree2, output,
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                             specific_files=specific_files,
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                             extra_trees=extra_trees, old_label='old/',
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                             new_label='new/')
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        return output.getvalue()
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class TestDiffDates(TestShowDiffTreesHelper):
 
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def get_diff_as_string(tree1, tree2, specific_files=None, working_tree=None):
 
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    output = StringIO()
 
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    if working_tree is not None:
 
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        extra_trees = (working_tree,)
 
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    else:
 
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        extra_trees = ()
 
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    diff.show_diff_trees(tree1, tree2, output,
 
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        specific_files=specific_files,
 
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        extra_trees=extra_trees, old_label='old/',
 
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        new_label='new/')
 
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    return output.getvalue()
 
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class TestDiffDates(tests.TestCaseWithTransport):
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    def setUp(self):
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        super(TestDiffDates, self).setUp()
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        os.utime('file1', (1144195200, 1144195200)) # 2006-04-05 00:00:00 UTC
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    def test_diff_rev_tree_working_tree(self):
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        output = self.get_diff(self.wt.basis_tree(), self.wt)
 
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        output = get_diff_as_string(self.wt.basis_tree(), self.wt)
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        # note that the date for old/file1 is from rev 2 rather than from
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        # the basis revision (rev 4)
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        self.assertEqualDiff(output, '''\
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    def test_diff_rev_tree_rev_tree(self):
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        tree1 = self.b.repository.revision_tree('rev-2')
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        tree2 = self.b.repository.revision_tree('rev-3')
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        output = self.get_diff(tree1, tree2)
 
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        output = get_diff_as_string(tree1, tree2)
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        self.assertEqualDiff(output, '''\
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=== modified file 'file2'
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--- old/file2\t2006-04-01 00:00:00 +0000
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    def test_diff_add_files(self):
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        tree1 = self.b.repository.revision_tree(_mod_revision.NULL_REVISION)
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        tree2 = self.b.repository.revision_tree('rev-1')
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        output = self.get_diff(tree1, tree2)
 
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        output = get_diff_as_string(tree1, tree2)
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        # the files have the epoch time stamp for the tree in which
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        # they don't exist.
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        self.assertEqualDiff(output, '''\
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    def test_diff_remove_files(self):
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        tree1 = self.b.repository.revision_tree('rev-3')
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        tree2 = self.b.repository.revision_tree('rev-4')
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        output = self.get_diff(tree1, tree2)
 
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        output = get_diff_as_string(tree1, tree2)
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        # the file has the epoch time stamp for the tree in which
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        # it doesn't exist.
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        self.assertEqualDiff(output, '''\
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        self.wt.rename_one('file1', 'file1b')
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        old_tree = self.b.repository.revision_tree('rev-1')
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        new_tree = self.b.repository.revision_tree('rev-4')
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        out = self.get_diff(old_tree, new_tree, specific_files=['file1b'],
 
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        out = get_diff_as_string(old_tree, new_tree, specific_files=['file1b'],
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                            working_tree=self.wt)
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        self.assertContainsRe(out, 'file1\t')
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        self.wt.rename_one('file1', 'dir1/file1')
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        old_tree = self.b.repository.revision_tree('rev-1')
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        new_tree = self.b.repository.revision_tree('rev-4')
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        out = self.get_diff(old_tree, new_tree, specific_files=['dir1'],
 
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        out = get_diff_as_string(old_tree, new_tree, specific_files=['dir1'],
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                            working_tree=self.wt)
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        self.assertContainsRe(out, 'file1\t')
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        out = self.get_diff(old_tree, new_tree, specific_files=['dir2'],
 
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        out = get_diff_as_string(old_tree, new_tree, specific_files=['dir2'],
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                            working_tree=self.wt)
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        self.assertNotContainsRe(out, 'file1\t')
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class TestShowDiffTrees(TestShowDiffTreesHelper):
 
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class TestShowDiffTrees(tests.TestCaseWithTransport):
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    """Direct tests for show_diff_trees"""
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    def test_modified_file(self):
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        tree.commit('one', rev_id='rev-1')
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        self.build_tree_contents([('tree/file', 'new contents\n')])
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        self.assertContainsRe(d, "=== modified file 'file'\n")
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        self.assertContainsRe(d, '--- old/file\t')
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        self.assertContainsRe(d, '\\+\\+\\+ new/file\t')
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        tree.rename_one('dir', 'other')
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        self.build_tree_contents([('tree/other/file', 'new contents\n')])
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        self.assertContainsRe(d, "=== renamed directory 'dir' => 'other'\n")
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        self.assertContainsRe(d, "=== modified file 'other/file'\n")
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        # XXX: This is technically incorrect, because it used to be at another
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        tree.commit('one', rev_id='rev-1')
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        tree.rename_one('dir', 'newdir')
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        # Renaming a directory should be a single "you renamed this dir" even
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        # when there are files inside.
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        self.assertEqual(d, "=== renamed directory 'dir' => 'newdir'\n")
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        tree.commit('one', rev_id='rev-1')
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        tree.rename_one('file', 'newname')
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        self.assertContainsRe(d, "=== renamed file 'file' => 'newname'\n")
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        # We shouldn't have a --- or +++ line, because there is no content
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        # change
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        tree.rename_one('file', 'newname')
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        self.build_tree_contents([('tree/newname', 'new contents\n')])
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        self.assertContainsRe(d, "=== renamed file 'file' => 'newname'\n")
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        self.assertContainsRe(d, '--- old/file\t')
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        self.assertContainsRe(d, '\\+\\+\\+ new/newname\t')
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        tree.rename_one('c', 'new-c')
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        tree.rename_one('d', 'new-d')
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        self.assertContainsRe(d, r"file 'a'.*\(properties changed:"
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                                  ".*\+x to -x.*\)")
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        tree.add(['add_'+alpha], ['file-id'])
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        self.build_tree_contents([('tree/mod_'+alpha, 'contents_mod\n')])
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        d = self.get_diff(tree.basis_tree(), tree)
 
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        d = get_diff_as_string(tree.basis_tree(), tree)
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        self.assertContainsRe(d,
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                "=== renamed file 'ren_%s' => 'ren_%s'\n"%(autf8, outf8))
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        self.assertContainsRe(d, "=== added file 'add_%s'"%autf8)
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        return self.applyDeprecated(
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            deprecated_in((2, 2, 0)), diff.get_trees_and_branches_to_diff,
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            path_list, revision_specs, old_url, new_url)
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