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Viewing changes to bzrlib/tests/branch_implementations/test_branch.py

  • Committer: Andrew Bennetts
  • Date: 2007-03-26 05:11:52 UTC
  • mto: This revision was merged to the branch mainline in revision 2376.
  • Revision ID: andrew.bennetts@canonical.com-20070326051152-1q3ntmsj2b4dv9k5
Remote Branch.get_transaction and friends.

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Lines of Context:
bzrlib/tests/branch_implementations/test_branch.py
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        self.assertEqual(['lw', 'ul'], branch._calls)
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class TestBranchTransaction(TestCaseWithBranch):
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    def setUp(self):
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        super(TestBranchTransaction, self).setUp()
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        self.branch = None
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    def test_default_get_transaction(self):
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        """branch.get_transaction on a new branch should give a PassThrough."""
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        self.failUnless(isinstance(self.get_branch().get_transaction(),
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                                   transactions.PassThroughTransaction))
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    def test__set_new_transaction(self):
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        self.get_branch()._set_transaction(transactions.ReadOnlyTransaction())
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    def test__set_over_existing_transaction_raises(self):
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        self.get_branch()._set_transaction(transactions.ReadOnlyTransaction())
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        self.assertRaises(errors.LockError,
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                          self.get_branch()._set_transaction,
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                          transactions.ReadOnlyTransaction())
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    def test_finish_no_transaction_raises(self):
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        self.assertRaises(errors.LockError, self.get_branch()._finish_transaction)
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    def test_finish_readonly_transaction_works(self):
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        self.get_branch()._set_transaction(transactions.ReadOnlyTransaction())
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        self.get_branch()._finish_transaction()
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        self.assertEqual(None, self.get_branch().control_files._transaction)
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    def test_unlock_calls_finish(self):
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        self.get_branch().lock_read()
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        transaction = InstrumentedTransaction()
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        self.get_branch().control_files._transaction = transaction
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        self.get_branch().unlock()
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        self.assertEqual(['finish'], transaction.calls)
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    def test_lock_read_acquires_ro_transaction(self):
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        self.get_branch().lock_read()
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        self.failUnless(isinstance(self.get_branch().get_transaction(),
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                                   transactions.ReadOnlyTransaction))
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        self.get_branch().unlock()
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    def test_lock_write_acquires_write_transaction(self):
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        self.get_branch().lock_write()
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        # cannot use get_transaction as its magic
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        self.failUnless(isinstance(self.get_branch().control_files._transaction,
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                                   transactions.WriteTransaction))
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        self.get_branch().unlock()
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class TestRevisionHistoryCaching(TestCaseWithBranch):
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    """Tests for the caching of branch revision_history.
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