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

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-05-21 13:36:51 UTC
  • mfrom: (5243.2.1 readdir_cleanup)
  • Revision ID: pqm@pqm.ubuntu.com-20100521133651-p62dndo2giy5ls21
(lifeless) Some cleanups to the readdir pyrex code for a little efficiency
 and to avoid compile warnings. (John A Meinel)

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bzrlib/tests/blackbox/test_merge.py
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# Copyright (C) 2006-2011 Canonical Ltd
 
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# Copyright (C) 2006-2010 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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"""Black-box tests for bzr merge.
20
20
"""
21
21
 
22
 
import doctest
23
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import os
24
23
 
25
 
from testtools import matchers
26
 
 
27
24
from bzrlib import (
28
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    branch,
29
26
    bzrdir,
30
27
    conflicts,
 
28
    errors,
31
29
    merge_directive,
32
30
    osutils,
33
31
    tests,
34
32
    urlutils,
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33
    workingtree,
36
34
    )
37
 
from bzrlib.tests import (
38
 
    scenarios,
39
 
    script,
40
 
    )
41
 
 
42
 
 
43
 
load_tests = scenarios.load_tests_apply_scenarios
44
35
 
45
36
 
46
37
class TestMerge(tests.TestCaseWithTransport):
111
102
        # Merging a branch pulls its revision into the tree
112
103
        b = branch.Branch.open('../b')
113
104
        b_tip = b.last_revision()
114
 
        self.assertTrue(a.branch.repository.has_revision(b_tip))
 
105
        self.failUnless(a.branch.repository.has_revision(b_tip))
115
106
        self.assertEqual([a_tip, b_tip], a.get_parent_ids())
116
107
        a_tree.revert(backups=False)
117
108
        out, err = self.run_bzr('merge -r revno:1:./hello', retcode=3)
213
204
        b_tree.commit(message='Modified a.txt')
214
205
        os.chdir('b')
215
206
        self.run_bzr('merge ../a/', retcode=1)
216
 
        self.assertPathExists('sub/a.txt.THIS')
217
 
        self.assertPathExists('sub/a.txt.BASE')
 
207
        self.failUnlessExists('sub/a.txt.THIS')
 
208
        self.failUnlessExists('sub/a.txt.BASE')
218
209
        os.chdir('../a')
219
210
        self.run_bzr('merge ../b/', retcode=1)
220
 
        self.assertPathExists('sub/a.txt.OTHER')
221
 
        self.assertPathExists('sub/a.txt.BASE')
 
211
        self.failUnlessExists('sub/a.txt.OTHER')
 
212
        self.failUnlessExists('sub/a.txt.BASE')
222
213
 
223
214
    def test_conflict_leaves_base_this_other_files(self):
224
215
        tree, other = self.create_conflicting_branches()
335
326
        tree_a.add(['file_1', 'file_2'])
336
327
        tree_a.commit('commit 1')
337
328
        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
338
 
        self.assertPathExists('b/file_1')
 
329
        self.failUnlessExists('b/file_1')
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330
        tree_a.rename_one('file_1', 'file_i')
340
331
        tree_a.commit('commit 2')
341
332
        tree_a.rename_one('file_2', 'file_ii')
342
333
        ## os.chdir('b')
343
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        self.run_bzr('merge a --uncommitted -d b')
344
 
        self.assertPathExists('b/file_1')
345
 
        self.assertPathExists('b/file_ii')
 
335
        self.failUnlessExists('b/file_1')
 
336
        self.failUnlessExists('b/file_ii')
346
337
        tree_b.revert()
347
338
        self.run_bzr_error(('Cannot use --uncommitted and --revision',),
348
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                           'merge /a --uncommitted -r1 -d b')
356
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        tree_a.add(['file1', 'file2'])
357
348
        os.chdir('tree_b')
358
349
        self.run_bzr(['merge', '--uncommitted', '../tree_a/file1'])
359
 
        self.assertPathExists('file1')
360
 
        self.assertPathDoesNotExist('file2')
361
 
 
362
 
    def test_merge_nonexistent_file(self):
363
 
        """It should not be possible to merge changes from a file which
364
 
        does not exist."""
365
 
        tree_a = self.make_branch_and_tree('tree_a')
366
 
        self.build_tree_contents([('tree_a/file', 'bar\n')])
367
 
        tree_a.add(['file'])
368
 
        tree_a.commit('commit 1')
369
 
        os.chdir('tree_a')
370
 
        self.run_bzr_error(('Path\(s\) do not exist: non/existing',),
371
 
                           ['merge', 'non/existing'])
 
350
        self.failUnlessExists('file1')
 
351
        self.failIfExists('file2')
372
352
 
373
353
    def pullable_branch(self):
374
354
        tree_a = self.make_branch_and_tree('a')
375
 
        self.build_tree_contents([('a/file', 'bar\n')])
 
355
        self.build_tree(['a/file'])
376
356
        tree_a.add(['file'])
377
357
        self.id1 = tree_a.commit('commit 1')
378
358
 
379
359
        tree_b = self.make_branch_and_tree('b')
380
360
        tree_b.pull(tree_a.branch)
381
 
        self.build_tree_contents([('b/file', 'foo\n')])
 
361
        file('b/file', 'wb').write('foo')
382
362
        self.id2 = tree_b.commit('commit 2')
383
363
 
384
364
    def test_merge_pull(self):
389
369
        tree_a = workingtree.WorkingTree.open('.')
390
370
        self.assertEqual([self.id2], tree_a.get_parent_ids())
391
371
 
392
 
    def test_merge_pull_preview(self):
393
 
        self.pullable_branch()
394
 
        (out, err) = self.run_bzr('merge --pull --preview -d a b')
395
 
        self.assertThat(out, matchers.DocTestMatches(
396
 
"""=== modified file 'file'
397
 
--- file\t...
398
 
+++ file\t...
399
 
@@ -1,1 +1,1 @@
400
 
-bar
401
 
+foo
402
 
 
403
 
""", doctest.ELLIPSIS | doctest.REPORT_UDIFF))
404
 
        tree_a = workingtree.WorkingTree.open('a')
405
 
        self.assertEqual([self.id1], tree_a.get_parent_ids())
406
 
 
407
372
    def test_merge_kind_change(self):
408
373
        tree_a = self.make_branch_and_tree('tree_a')
409
374
        self.build_tree_contents([('tree_a/file', 'content_1')])
443
408
        self.write_directive('directive', source.branch, 'target', 'rev2',
444
409
                             'rev1')
445
410
        out, err = self.run_bzr('merge -d target directive')
446
 
        self.assertPathDoesNotExist('target/a')
447
 
        self.assertPathExists('target/b')
 
411
        self.failIfExists('target/a')
 
412
        self.failUnlessExists('target/b')
448
413
        self.assertContainsRe(err, 'Performing cherrypick')
449
414
 
450
415
    def write_directive(self, filename, source, target, revision_id,
485
450
        branch_b.add('file2')
486
451
        branch_b.commit('added file2', rev_id='rev2b')
487
452
        branch_b.merge_from_branch(branch_a.branch)
488
 
        self.assertPathExists('branch_b/file1')
 
453
        self.failUnlessExists('branch_b/file1')
489
454
        branch_b.commit('merged branch_a', rev_id='rev3b')
490
455
 
491
456
        # It works if the revid has an interger revno
492
457
        self.run_bzr('merge -d target -r revid:rev2a branch_a')
493
 
        self.assertPathExists('target/file1')
494
 
        self.assertPathDoesNotExist('target/file2')
 
458
        self.failUnlessExists('target/file1')
 
459
        self.failIfExists('target/file2')
495
460
        target.revert()
496
461
 
497
462
        # It should work if the revid has no integer revno
498
463
        self.run_bzr('merge -d target -r revid:rev2a branch_b')
499
 
        self.assertPathExists('target/file1')
500
 
        self.assertPathDoesNotExist('target/file2')
 
464
        self.failUnlessExists('target/file1')
 
465
        self.failIfExists('target/file2')
501
466
 
502
467
    def assertDirectoryContent(self, directory, entries, message=''):
503
468
        """Assert whether entries (file or directories) exist in a directory.
551
516
 
552
517
    def test_merge_from_submit(self):
553
518
        tree_a = self.make_branch_and_tree('a')
554
 
        tree_a.commit('test')
555
519
        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
556
520
        tree_c = tree_a.bzrdir.sprout('c').open_workingtree()
557
521
        out, err = self.run_bzr(['merge', '-d', 'c'])
562
526
 
563
527
    def test_remember_sets_submit(self):
564
528
        tree_a = self.make_branch_and_tree('a')
565
 
        tree_a.commit('rev1')
566
529
        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
567
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        self.assertIs(tree_b.branch.get_submit_branch(), None)
568
531
 
575
538
        self.assertEqual(tree_b.branch.get_submit_branch(),
576
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                         tree_a.bzrdir.root_transport.base)
577
540
 
578
 
    def test_no_remember_dont_set_submit(self):
579
 
        tree_a = self.make_branch_and_tree('a')
580
 
        self.build_tree_contents([('a/file', "a\n")])
581
 
        tree_a.add('file')
582
 
        tree_a.commit('rev1')
583
 
        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
584
 
        self.assertIs(tree_b.branch.get_submit_branch(), None)
585
 
 
586
 
        # Remember should not happen if using default from parent
587
 
        out, err = self.run_bzr(['merge', '-d', 'b', '--no-remember'])
588
 
        self.assertEquals(None, tree_b.branch.get_submit_branch())
589
 
 
590
 
        # Remember should not happen if user supplies location but ask for not
591
 
        # remembering it
592
 
        out, err = self.run_bzr(['merge', '-d', 'b', '--no-remember', 'a'])
593
 
        self.assertEqual(None, tree_b.branch.get_submit_branch())
594
 
 
595
541
    def test_weave_cherrypick(self):
596
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        this_tree = self.make_branch_and_tree('this')
597
543
        self.build_tree_contents([('this/file', "a\n")])
657
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        other.add('other_file')
658
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        other.commit('rev1b')
659
605
        self.run_bzr('merge -d this other -r0..')
660
 
        self.assertPathExists('this/other_file')
 
606
        self.failUnlessExists('this/other_file')
661
607
 
662
608
    def test_merge_interactive_unlocks_branch(self):
663
609
        this = self.make_branch_and_tree('this')
664
 
        this.commit('empty commit')
665
 
        other = this.bzrdir.sprout('other').open_workingtree()
666
 
        other.commit('empty commit 2')
 
610
        other = self.make_branch_and_tree('other')
 
611
        other.commit('empty commit')
667
612
        self.run_bzr('merge -i -d this other')
668
613
        this.lock_write()
669
614
        this.unlock()
670
615
 
671
 
    def test_merge_fetches_tags(self):
672
 
        """Tags are updated by merge, and revisions named in those tags are
673
 
        fetched.
674
 
        """
675
 
        # Make a source, sprout a target off it
676
 
        builder = self.make_branch_builder('source')
677
 
        builder.build_commit(message="Rev 1", rev_id='rev-1')
678
 
        source = builder.get_branch()
679
 
        target_bzrdir = source.bzrdir.sprout('target')
680
 
        # Add a non-ancestry tag to source
681
 
        builder.build_commit(message="Rev 2a", rev_id='rev-2a')
682
 
        source.tags.set_tag('tag-a', 'rev-2a')
683
 
        source.set_last_revision_info(1, 'rev-1')
684
 
        source.get_config().set_user_option('branch.fetch_tags', 'True')
685
 
        builder.build_commit(message="Rev 2b", rev_id='rev-2b')
686
 
        # Merge from source
687
 
        self.run_bzr('merge -d target source')
688
 
        target = target_bzrdir.open_branch()
689
 
        # The tag is present, and so is its revision.
690
 
        self.assertEqual('rev-2a', target.tags.lookup_tag('tag-a'))
691
 
        target.repository.get_revision('rev-2a')
692
 
 
693
 
 
694
 
class TestMergeRevisionRange(tests.TestCaseWithTransport):
695
 
 
696
 
    scenarios = (('whole-tree', dict(context='.')),
697
 
                 ('file-only', dict(context='a')))
698
 
 
699
 
    def setUp(self):
700
 
        super(TestMergeRevisionRange, self).setUp()
701
 
        self.tree = self.make_branch_and_tree(".")
702
 
        self.tree.commit('initial commit')
 
616
    def test_merge_reversed_revision_range(self):
 
617
        tree = self.make_branch_and_tree(".")
703
618
        for f in ("a", "b"):
704
619
            self.build_tree([f])
705
 
            self.tree.add(f)
706
 
            self.tree.commit("added " + f)
707
 
 
708
 
    def test_merge_reversed_revision_range(self):
709
 
        self.run_bzr("merge -r 2..1 " + self.context)
710
 
        self.assertPathDoesNotExist("a")
711
 
        self.assertPathExists("b")
712
 
 
713
 
 
714
 
class TestMergeScript(script.TestCaseWithTransportAndScript):
715
 
    def test_merge_empty_branch(self):
716
 
        source = self.make_branch_and_tree('source')
717
 
        self.build_tree(['source/a'])
718
 
        source.add('a')
719
 
        source.commit('Added a', rev_id='rev1')
720
 
        target = self.make_branch_and_tree('target')
721
 
        self.run_script("""\
722
 
$ bzr merge -d target source
723
 
2>bzr: ERROR: Merging into empty branches not currently supported, https://bugs.launchpad.net/bzr/+bug/308562
724
 
""")
 
620
            tree.add(f)
 
621
            tree.commit("added "+f)
 
622
        for context in (".", "", "a"):
 
623
            self.run_bzr("merge -r 1..0 " + context)
 
624
            self.failIfExists("a")
 
625
            tree.revert()
 
626
            self.failUnlessExists("a")
 
627
 
725
628
 
726
629
class TestMergeForce(tests.TestCaseWithTransport):
727
630