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Viewing changes to bzrlib/tests/blackbox/test_merge.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-05-20 11:07:31 UTC
  • mfrom: (5340.12.29 2.4-613247-test-cases)
  • Revision ID: pqm@pqm.ubuntu.com-20110520110731-8slefcqat6dr3asl
(jameinel) Bug #613247,
 clean up a bunch of test cases to avoid putting 'self' in the reference
 cycle. (John A Meinel)

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bzrlib/tests/blackbox/test_merge.py
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# Copyright (C) 2006-2010 Canonical Ltd
 
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# Copyright (C) 2006-2011 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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"""Black-box tests for bzr merge.
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"""
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import doctest
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import os
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from testtools import matchers
 
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from bzrlib import (
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    branch,
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    bzrdir,
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    conflicts,
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    errors,
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    merge_directive,
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    osutils,
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    tests,
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    urlutils,
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    workingtree,
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    )
 
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from bzrlib.tests import script
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class TestMerge(tests.TestCaseWithTransport):
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        # Merging a branch pulls its revision into the tree
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        b = branch.Branch.open('../b')
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        b_tip = b.last_revision()
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        self.failUnless(a.branch.repository.has_revision(b_tip))
 
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        self.assertTrue(a.branch.repository.has_revision(b_tip))
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        self.assertEqual([a_tip, b_tip], a.get_parent_ids())
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        a_tree.revert(backups=False)
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        out, err = self.run_bzr('merge -r revno:1:./hello', retcode=3)
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        b_tree.commit(message='Modified a.txt')
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        os.chdir('b')
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        self.run_bzr('merge ../a/', retcode=1)
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        self.failUnlessExists('sub/a.txt.THIS')
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        self.failUnlessExists('sub/a.txt.BASE')
 
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        self.assertPathExists('sub/a.txt.THIS')
 
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        self.assertPathExists('sub/a.txt.BASE')
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        os.chdir('../a')
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        self.run_bzr('merge ../b/', retcode=1)
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        self.failUnlessExists('sub/a.txt.OTHER')
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        self.failUnlessExists('sub/a.txt.BASE')
 
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        self.assertPathExists('sub/a.txt.OTHER')
 
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        self.assertPathExists('sub/a.txt.BASE')
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    def test_conflict_leaves_base_this_other_files(self):
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        tree, other = self.create_conflicting_branches()
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        tree_a.add(['file_1', 'file_2'])
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        tree_a.commit('commit 1')
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        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
329
 
        self.failUnlessExists('b/file_1')
 
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        self.assertPathExists('b/file_1')
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        tree_a.rename_one('file_1', 'file_i')
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        tree_a.commit('commit 2')
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        tree_a.rename_one('file_2', 'file_ii')
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        ## os.chdir('b')
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        self.run_bzr('merge a --uncommitted -d b')
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        self.failUnlessExists('b/file_1')
336
 
        self.failUnlessExists('b/file_ii')
 
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        self.assertPathExists('b/file_1')
 
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        self.assertPathExists('b/file_ii')
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        tree_b.revert()
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        self.run_bzr_error(('Cannot use --uncommitted and --revision',),
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                           'merge /a --uncommitted -r1 -d b')
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        tree_a.add(['file1', 'file2'])
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        os.chdir('tree_b')
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        self.run_bzr(['merge', '--uncommitted', '../tree_a/file1'])
350
 
        self.failUnlessExists('file1')
351
 
        self.failIfExists('file2')
 
353
        self.assertPathExists('file1')
 
354
        self.assertPathDoesNotExist('file2')
352
355
 
353
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    def pullable_branch(self):
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        tree_a = self.make_branch_and_tree('a')
355
 
        self.build_tree(['a/file'])
 
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        self.build_tree_contents([('a/file', 'bar\n')])
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        tree_a.add(['file'])
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        self.id1 = tree_a.commit('commit 1')
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359
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        tree_b = self.make_branch_and_tree('b')
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        tree_b.pull(tree_a.branch)
361
 
        file('b/file', 'wb').write('foo')
 
364
        self.build_tree_contents([('b/file', 'foo\n')])
362
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        self.id2 = tree_b.commit('commit 2')
363
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364
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    def test_merge_pull(self):
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        tree_a = workingtree.WorkingTree.open('.')
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        self.assertEqual([self.id2], tree_a.get_parent_ids())
371
374
 
 
375
    def test_merge_pull_preview(self):
 
376
        self.pullable_branch()
 
377
        (out, err) = self.run_bzr('merge --pull --preview -d a b')
 
378
        self.assertThat(out, matchers.DocTestMatches(
 
379
"""=== modified file 'file'
 
380
--- file\t...
 
381
+++ file\t...
 
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@@ -1,1 +1,1 @@
 
383
-bar
 
384
+foo
 
385
 
 
386
""", doctest.ELLIPSIS | doctest.REPORT_UDIFF))
 
387
        tree_a = workingtree.WorkingTree.open('a')
 
388
        self.assertEqual([self.id1], tree_a.get_parent_ids())
 
389
 
372
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    def test_merge_kind_change(self):
373
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        tree_a = self.make_branch_and_tree('tree_a')
374
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        self.build_tree_contents([('tree_a/file', 'content_1')])
393
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    def test_directive_cherrypick(self):
394
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        source = self.make_branch_and_tree('source')
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        source.commit("nothing")
396
 
        # see https://bugs.edge.launchpad.net/bzr/+bug/409688 - trying to
 
414
        # see https://bugs.launchpad.net/bzr/+bug/409688 - trying to
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        # cherrypick from one branch into another unrelated branch with a
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        # different root id will give shape conflicts.  as a workaround we
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        # make sure they share the same root id.
408
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        self.write_directive('directive', source.branch, 'target', 'rev2',
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                             'rev1')
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        out, err = self.run_bzr('merge -d target directive')
411
 
        self.failIfExists('target/a')
412
 
        self.failUnlessExists('target/b')
 
429
        self.assertPathDoesNotExist('target/a')
 
430
        self.assertPathExists('target/b')
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        self.assertContainsRe(err, 'Performing cherrypick')
414
432
 
415
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    def write_directive(self, filename, source, target, revision_id,
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        branch_b.add('file2')
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        branch_b.commit('added file2', rev_id='rev2b')
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        branch_b.merge_from_branch(branch_a.branch)
453
 
        self.failUnlessExists('branch_b/file1')
 
471
        self.assertPathExists('branch_b/file1')
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        branch_b.commit('merged branch_a', rev_id='rev3b')
455
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456
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        # It works if the revid has an interger revno
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        self.run_bzr('merge -d target -r revid:rev2a branch_a')
458
 
        self.failUnlessExists('target/file1')
459
 
        self.failIfExists('target/file2')
 
476
        self.assertPathExists('target/file1')
 
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        self.assertPathDoesNotExist('target/file2')
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        target.revert()
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        # It should work if the revid has no integer revno
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        self.run_bzr('merge -d target -r revid:rev2a branch_b')
464
 
        self.failUnlessExists('target/file1')
465
 
        self.failIfExists('target/file2')
 
482
        self.assertPathExists('target/file1')
 
483
        self.assertPathDoesNotExist('target/file2')
466
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467
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    def assertDirectoryContent(self, directory, entries, message=''):
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        """Assert whether entries (file or directories) exist in a directory.
516
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517
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    def test_merge_from_submit(self):
518
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        tree_a = self.make_branch_and_tree('a')
 
537
        tree_a.commit('test')
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        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
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        tree_c = tree_a.bzrdir.sprout('c').open_workingtree()
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        out, err = self.run_bzr(['merge', '-d', 'c'])
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    def test_remember_sets_submit(self):
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        tree_a = self.make_branch_and_tree('a')
 
548
        tree_a.commit('rev1')
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        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
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        self.assertIs(tree_b.branch.get_submit_branch(), None)
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        self.assertEqual(tree_b.branch.get_submit_branch(),
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                         tree_a.bzrdir.root_transport.base)
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561
    def test_no_remember_dont_set_submit(self):
 
562
        tree_a = self.make_branch_and_tree('a')
 
563
        self.build_tree_contents([('a/file', "a\n")])
 
564
        tree_a.add('file')
 
565
        tree_a.commit('rev1')
 
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        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
 
567
        self.assertIs(tree_b.branch.get_submit_branch(), None)
 
568
 
 
569
        # Remember should not happen if using default from parent
 
570
        out, err = self.run_bzr(['merge', '-d', 'b', '--no-remember'])
 
571
        self.assertEquals(None, tree_b.branch.get_submit_branch())
 
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573
        # Remember should not happen if user supplies location but ask for not
 
574
        # remembering it
 
575
        out, err = self.run_bzr(['merge', '-d', 'b', '--no-remember', 'a'])
 
576
        self.assertEqual(None, tree_b.branch.get_submit_branch())
 
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    def test_weave_cherrypick(self):
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        this_tree = self.make_branch_and_tree('this')
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        self.build_tree_contents([('this/file', "a\n")])
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        other.add('other_file')
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        other.commit('rev1b')
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        self.run_bzr('merge -d this other -r0..')
606
 
        self.failUnlessExists('this/other_file')
 
643
        self.assertPathExists('this/other_file')
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608
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    def test_merge_interactive_unlocks_branch(self):
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        this = self.make_branch_and_tree('this')
610
 
        other = self.make_branch_and_tree('other')
611
 
        other.commit('empty commit')
 
647
        this.commit('empty commit')
 
648
        other = this.bzrdir.sprout('other').open_workingtree()
 
649
        other.commit('empty commit 2')
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        self.run_bzr('merge -i -d this other')
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        this.lock_write()
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        this.unlock()
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            tree.commit("added "+f)
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        for context in (".", "", "a"):
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            self.run_bzr("merge -r 1..0 " + context)
624
 
            self.failIfExists("a")
 
662
            self.assertPathDoesNotExist("a")
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            tree.revert()
626
 
            self.failUnlessExists("a")
627
 
 
 
664
            self.assertPathExists("a")
 
665
 
 
666
    def test_merge_fetches_tags(self):
 
667
        """Tags are updated by merge, and revisions named in those tags are
 
668
        fetched.
 
669
        """
 
670
        # Make a source, sprout a target off it
 
671
        builder = self.make_branch_builder('source')
 
672
        builder.build_commit(message="Rev 1", rev_id='rev-1')
 
673
        source = builder.get_branch()
 
674
        target_bzrdir = source.bzrdir.sprout('target')
 
675
        # Add a non-ancestry tag to source
 
676
        builder.build_commit(message="Rev 2a", rev_id='rev-2a')
 
677
        source.tags.set_tag('tag-a', 'rev-2a')
 
678
        source.set_last_revision_info(1, 'rev-1')
 
679
        builder.build_commit(message="Rev 2b", rev_id='rev-2b')
 
680
        # Merge from source
 
681
        self.run_bzr('merge -d target source')
 
682
        target = target_bzrdir.open_branch()
 
683
        # The tag is present, and so is its revision.
 
684
        self.assertEqual('rev-2a', target.tags.lookup_tag('tag-a'))
 
685
        target.repository.get_revision('rev-2a')
 
686
 
 
687
class TestMergeScript(script.TestCaseWithTransportAndScript):
 
688
    def test_merge_empty_branch(self):
 
689
        source = self.make_branch_and_tree('source')
 
690
        self.build_tree(['source/a'])
 
691
        source.add('a')
 
692
        source.commit('Added a', rev_id='rev1')
 
693
        target = self.make_branch_and_tree('target')
 
694
        self.run_script("""\
 
695
$ bzr merge -d target source
 
696
2>bzr: ERROR: Merging into empty branches not currently supported, https://bugs.launchpad.net/bzr/+bug/308562
 
697
""")
628
698
 
629
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class TestMergeForce(tests.TestCaseWithTransport):
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