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# Copyright (C) 2006, 2008, 2009, 2010 Canonical Ltd
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# Copyright (C) 2006, 2008-2012, 2016 Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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# This program is free software; you can redistribute it and/or modify
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"""Tests for the RevisionTree class."""
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from bzrlib.inventory import ROOT_ID
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from bzrlib.tests import TestCaseWithTransport
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from breezy.tree import FileTimestampUnavailable
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from breezy.tests import TestCaseWithTransport
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class TestTreeWithCommits(TestCaseWithTransport):
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def test_empty_no_root(self):
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null_tree = self.t.branch.repository.revision_tree(
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revision.NULL_REVISION)
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self.assertIs(None, null_tree.inventory.root)
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self.assertIs(None, null_tree.get_root_id())
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def test_get_file_revision_root(self):
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self.assertEqual(self.rev_id,
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self.rev_tree.get_file_revision(u'', self.rev_tree.get_root_id()))
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def test_get_file_revision(self):
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self.build_tree_contents([('a', b'initial')])
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revid1 = self.t.commit('add a')
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revid2 = self.t.commit('another change', allow_pointless=True)
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tree = self.t.branch.repository.revision_tree(revid2)
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self.assertEqual(revid1,
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tree.get_file_revision('a'))
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def test_get_file_mtime_ghost(self):
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file_id = iter(self.rev_tree).next()
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self.rev_tree.inventory[file_id].revision = 'ghostrev'
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self.assertRaises(errors.FileTimestampUnavailable,
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self.rev_tree.get_file_mtime, file_id)
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path = next(iter(self.rev_tree.all_versioned_paths()))
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self.rev_tree.root_inventory.get_entry(self.rev_tree.path2id(path)).revision = b'ghostrev'
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self.assertRaises(FileTimestampUnavailable,
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self.rev_tree.get_file_mtime, path)