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bzrlib/tests/branch_implementations/test_pull.py
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from bzrlib.branch import Branch
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from bzrlib import errors
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from bzrlib.tests import TestCaseWithTransport
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class TestPull(TestCaseWithTransport):
 
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from bzrlib.memorytree import MemoryTree
 
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from bzrlib.revision import NULL_REVISION
 
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from bzrlib.tests.branch_implementations.test_branch import TestCaseWithBranch
 
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class TestPull(TestCaseWithBranch):
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    def test_pull_convergence_simple(self):
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        # when revisions are pulled, the left-most accessible parents must 
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        # try to pull, which should raise a BoundBranchConnectionFailure.
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        self.assertRaises(errors.BoundBranchConnectionFailure,
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                checkout.branch.pull, other.branch)
 
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class TestPullHook(TestCaseWithBranch):
 
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    def setUp(self):
 
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        self.hook_calls = []
 
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        TestCaseWithBranch.setUp(self)
 
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    def capture_post_pull_hook(self, source, local, master, old_revno,
 
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        old_revid, new_revno, new_revid):
 
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        """Capture post pull hook calls to self.hook_calls.
 
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        The call is logged, as is some state of the two branches.
 
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        """
 
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        if local:
 
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            local_locked = local.is_locked()
 
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            local_base = local.base
 
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        else:
 
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            local_locked = None
 
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            local_base = None
 
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        self.hook_calls.append(
 
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            ('post_pull', source, local_base, master.base, old_revno, old_revid,
 
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             new_revno, new_revid, source.is_locked(), local_locked,
 
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             master.is_locked()))
 
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    def test_post_pull_empty_history(self):
 
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        target = self.make_branch('target')
 
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        source = self.make_branch('source')
 
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        Branch.hooks.install_hook('post_pull', self.capture_post_pull_hook)
 
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        target.pull(source)
 
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        # with nothing there we should still get a notification, and
 
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        # have both branches locked at the notification time.
 
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        self.assertEqual([
 
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            ('post_pull', source, None, target.base, 0, NULL_REVISION,
 
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             0, NULL_REVISION, True, None, True)
 
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            ],
 
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            self.hook_calls)
 
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    def test_post_pull_bound_branch(self):
 
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        # pulling to a bound branch should pass in the master branch to the
 
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        # hook, allowing the correct number of emails to be sent, while still
 
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        # allowing hooks that want to modify the target to do so to both 
 
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        # instances.
 
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        target = self.make_branch('target')
 
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        local = self.make_branch('local')
 
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        try:
 
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            local.bind(target)
 
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        except errors.UpgradeRequired:
 
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            # cant bind this format, the test is irrelevant.
 
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            return
 
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        source = self.make_branch('source')
 
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        Branch.hooks.install_hook('post_pull', self.capture_post_pull_hook)
 
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        local.pull(source)
 
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        # with nothing there we should still get a notification, and
 
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        # have both branches locked at the notification time.
 
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        self.assertEqual([
 
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            ('post_pull', source, local.base, target.base, 0, NULL_REVISION,
 
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             0, NULL_REVISION, True, True, True)
 
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            ],
 
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            self.hook_calls)
 
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    def test_post_pull_nonempty_history(self):
 
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        target = self.make_branch_and_memory_tree('target')
 
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        target.lock_write()
 
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        target.add('')
 
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        rev1 = target.commit('rev 1')
 
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        target.unlock()
 
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        sourcedir = target.bzrdir.clone(self.get_url('source'))
 
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        source = MemoryTree.create_on_branch(sourcedir.open_branch())
 
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        rev2 = source.commit('rev 2')
 
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        Branch.hooks.install_hook('post_pull', self.capture_post_pull_hook)
 
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        target.branch.pull(source.branch)
 
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        # with nothing there we should still get a notification, and
 
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        # have both branches locked at the notification time.
 
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        self.assertEqual([
 
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            ('post_pull', source.branch, None, target.branch.base, 1, rev1,
 
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             2, rev2, True, None, True)
 
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            ],
 
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            self.hook_calls)