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bzrlib/tests/test_workingtree_4.py
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"""Tests for WorkingTreeFormat4"""
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import os
 
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import time
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from bzrlib import (
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    bzrdir,
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        self.assertEqual([], changes)
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        self.assertEqual(['', 'versioned', 'versioned2'], returned)
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    def get_tree_with_cachable_file_foo(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree(['foo'])
 
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        tree.add(['foo'], ['foo-id'])
 
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        # a 4 second old timestamp is always hashable - sucks to delay 
 
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        # the test suite, but not testing this is worse.
 
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        time.sleep(4)
 
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        return tree
 
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    def test_commit_updates_hash_cache(self):
 
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        tree = self.get_tree_with_cachable_file_foo()
 
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        revid = tree.commit('a commit')
 
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        # tree's dirstate should now have a valid stat entry for foo.
 
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        tree.lock_read()
 
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        entry = tree._get_entry(path='foo')
 
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        expected_sha1 = osutils.sha_file_by_name('foo')
 
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        self.assertEqual(expected_sha1, entry[1][0][1])
 
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    def test_observed_sha1_cachable(self):
 
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        tree = self.get_tree_with_cachable_file_foo()
 
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        expected_sha1 = osutils.sha_file_by_name('foo')
 
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        statvalue = os.lstat("foo")
 
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        tree.lock_write()
 
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        try:
 
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            tree._observed_sha1("foo-id", "foo", (expected_sha1, statvalue))
 
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            self.assertEqual(expected_sha1,
 
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                tree._get_entry(path="foo")[1][0][1])
 
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        finally:
 
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            tree.unlock()
 
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        tree = tree.bzrdir.open_workingtree()
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        self.assertEqual(expected_sha1, tree._get_entry(path="foo")[1][0][1])
 
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    def test_observed_sha1_new_file(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree(['foo'])
 
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        tree.add(['foo'], ['foo-id'])
 
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        tree.lock_read()
 
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        try:
 
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            current_sha1 = tree._get_entry(path="foo")[1][0][1]
 
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        finally:
 
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            tree.unlock()
 
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        tree.lock_write()
 
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        try:
 
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            tree._observed_sha1("foo-id", "foo",
 
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                (osutils.sha_file_by_name('foo'), os.lstat("foo")))
 
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            # Must not have changed
 
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            self.assertEqual(current_sha1,
 
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                tree._get_entry(path="foo")[1][0][1])
 
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        finally:
 
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            tree.unlock()
 
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    def test_get_file_with_stat_id_only(self):
 
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        # Explicit test to ensure we get a lstat value from WT4 trees.
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree(['foo'])
 
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        tree.add(['foo'], ['foo-id'])
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        file_obj, statvalue = tree.get_file_with_stat('foo-id')
 
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        expected = os.lstat('foo')
 
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        self.assertEqualStat(expected, statvalue)
 
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        self.assertEqual(["contents of foo\n"], file_obj.readlines())
 
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class TestCorruptDirstate(TestCaseWithTransport):
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    """Tests for how we handle when the dirstate has been corrupted."""