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Viewing changes to bzrlib/tests/test_switch.py

  • Committer: John Arbash Meinel
  • Date: 2009-12-22 16:28:47 UTC
  • mto: This revision was merged to the branch mainline in revision 4922.
  • Revision ID: john@arbash-meinel.com-20091222162847-tvnsc69to4l4uf5r
Implement a permute_for_extension helper.

Use it for all of the 'simple' extension permutations.
It basically permutes all tests in the current module, by setting TestCase.module.
Which works well for most of our extension tests. Some had more advanced
handling of permutations (extra permutations, custom vars, etc.)

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bzrlib/tests/test_switch.py
 
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# Copyright (C) 2007 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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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())