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Viewing changes to bzrlib/tests/test_switch.py

  • Committer: Martin Pool
  • Date: 2005-07-28 11:56:24 UTC
  • Revision ID: mbp@sourcefrog.net-20050728115624-93c11c2b1e399023
- note changes to command line parsing

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bzrlib/tests/test_switch.py
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# Copyright (C) 2007-2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for bzrlib.switch."""
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import os
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from bzrlib import branch, errors, switch, tests
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class TestSwitch(tests.TestCaseWithTransport):
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    def setUp(self):
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        super(TestSwitch, self).setUp()
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        self.lightweight = True
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    def _setup_tree(self):
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        tree = self.make_branch_and_tree('branch-1')
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        self.build_tree(['branch-1/file-1'])
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        tree.add('file-1')
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        tree.commit('rev1')
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        return tree
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    def test_switch_updates(self):
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        """Test switch updates tree and keeps uncommitted changes."""
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        tree = self._setup_tree()
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        to_branch = tree.bzrdir.sprout('branch-2').open_branch()
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        self.build_tree(['branch-1/file-2'])
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        tree.add('file-2')
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        tree.remove('file-1')
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        tree.commit('rev2')
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        checkout = tree.branch.create_checkout('checkout',
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            lightweight=self.lightweight)
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        self.build_tree(['checkout/file-3'])
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        checkout.add('file-3')
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        self.failIfExists('checkout/file-1')
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        self.failUnlessExists('checkout/file-2')
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        switch.switch(checkout.bzrdir, to_branch)
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        self.failUnlessExists('checkout/file-1')
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        self.failIfExists('checkout/file-2')
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        self.failUnlessExists('checkout/file-3')
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    def test_switch_after_branch_moved(self):
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        """Test switch after the branch is moved."""
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        tree = self._setup_tree()
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        checkout = tree.branch.create_checkout('checkout',
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            lightweight=self.lightweight)
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        self.build_tree(['branch-1/file-2'])
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        tree.add('file-2')
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        tree.remove('file-1')
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        tree.commit('rev2')
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        self.build_tree(['checkout/file-3'])
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        checkout.add('file-3')
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        checkout_dir = checkout.bzrdir
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        # rename the branch on disk, the checkout object is now invalid.
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        os.rename('branch-1', 'branch-2')
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        to_branch = branch.Branch.open('branch-2')
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        # Check fails without --force
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        err = self.assertRaises(
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            (errors.BzrCommandError, errors.NotBranchError),
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            switch.switch, checkout.bzrdir, to_branch)
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        if isinstance(err, errors.BzrCommandError):
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            self.assertContainsRe(str(err),
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                'Unable to connect to current master branch .*'
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                'To switch anyway, use --force.')
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        switch.switch(checkout.bzrdir, to_branch, force=True)
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        self.failIfExists('checkout/file-1')
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        self.failUnlessExists('checkout/file-2')
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        self.failUnlessExists('checkout/file-3')
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    def test_switch_when_pending_merges(self):
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        """Test graceful failure if pending merges are outstanding."""
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        # Create 2 branches and a checkout
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        tree = self._setup_tree()
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        tree2 = tree.bzrdir.sprout('branch-2').open_workingtree()
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        checkout = tree.branch.create_checkout('checkout',
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            lightweight=self.lightweight)
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        # Change tree2 and merge it into the checkout without committing
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        self.build_tree(['branch-2/file-2'])
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        tree2.add('file-2')
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        tree2.commit('rev2')
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        checkout.merge_from_branch(tree2.branch)
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        # Check the error reporting is as expected
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        err = self.assertRaises(errors.BzrCommandError,
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            switch.switch, checkout.bzrdir, tree2.branch)
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        self.assertContainsRe(str(err),
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            "Pending merges must be committed or reverted before using switch")
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    def test_switch_with_revision(self):
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        """Test switch when a revision is given."""
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        # Create a tree with 2 revisions
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        tree = self.make_branch_and_tree('branch-1')
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        self.build_tree(['branch-1/file-1'])
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        tree.add('file-1')
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        tree.commit(rev_id='rev1', message='rev1')
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        self.build_tree(['branch-1/file-2'])
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        tree.add('file-2')
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        tree.commit(rev_id='rev2', message='rev2')
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        # Check it out and switch to revision 1
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        checkout = tree.branch.create_checkout('checkout',
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            lightweight=self.lightweight)
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        switch.switch(checkout.bzrdir, tree.branch, revision_id="rev1")
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        self.failUnlessExists('checkout/file-1')
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        self.failIfExists('checkout/file-2')
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    def test_switch_changing_root_id(self):
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        tree = self._setup_tree()
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        tree2 = self.make_branch_and_tree('tree-2')
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        tree2.set_root_id('custom-root-id')
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        self.build_tree(['tree-2/file-2'])
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        tree2.add(['file-2'])
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        tree2.commit('rev1b')
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        checkout = tree.branch.create_checkout('checkout',
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            lightweight=self.lightweight)
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        switch.switch(checkout.bzrdir, tree2.branch)
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        self.assertEqual('custom-root-id', tree2.get_root_id())
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class TestSwitchHeavyweight(TestSwitch):
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    def setUp(self):
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        super(TestSwitchHeavyweight, self).setUp()
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        self.lightweight = False
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    def test_switch_with_local_commits(self):
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        """Test switch complains about local commits unless --force given."""
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        tree = self._setup_tree()
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        to_branch = tree.bzrdir.sprout('branch-2').open_branch()
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        self.build_tree(['branch-1/file-2'])
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        tree.add('file-2')
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        tree.remove('file-1')
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        tree.commit('rev2')
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        checkout = tree.branch.create_checkout('checkout')
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        self.build_tree(['checkout/file-3'])
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        checkout.add('file-3')
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        checkout.commit(message='local only commit', local=True)
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        self.build_tree(['checkout/file-4'])
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        # Check the error reporting is as expected
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        err = self.assertRaises(errors.BzrCommandError,
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            switch.switch, checkout.bzrdir, to_branch)
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        self.assertContainsRe(str(err),
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            'Cannot switch as local commits found in the checkout.')
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        # Check all is ok when force is given
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        self.failIfExists('checkout/file-1')
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        self.failUnlessExists('checkout/file-2')
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        switch.switch(checkout.bzrdir, to_branch, force=True)
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        self.failUnlessExists('checkout/file-1')
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        self.failIfExists('checkout/file-2')
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        self.failIfExists('checkout/file-3')
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        self.failUnlessExists('checkout/file-4')
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        # Check that the checkout is a true mirror of the bound branch
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        self.assertEqual(to_branch.last_revision_info(),
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                         checkout.branch.last_revision_info())