← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

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

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-09-01 08:02:42 UTC
  • mfrom: (5390.3.3 faster-revert-593560)
  • Revision ID: pqm@pqm.ubuntu.com-20100901080242-esg62ody4frwmy66
(spiv) Avoid repeatedly calling self.target.all_file_ids() in
 InterTree.iter_changes. (Andrew Bennetts)

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/blackbox/test_merge.py
1
 
# Copyright (C) 2006, 2007 Canonical Ltd
 
1
# Copyright (C) 2006-2010 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
21
21
 
22
22
import os
23
23
 
24
 
from bzrlib import merge_directive
25
 
from bzrlib.branch import Branch
26
 
from bzrlib.bzrdir import BzrDir
27
 
from bzrlib.conflicts import ConflictList, ContentsConflict
28
 
from bzrlib.osutils import abspath, file_kind, pathjoin
29
 
from bzrlib.tests.blackbox import ExternalBase
30
 
import bzrlib.urlutils as urlutils
31
 
from bzrlib.workingtree import WorkingTree
32
 
 
33
 
 
34
 
class TestMerge(ExternalBase):
 
24
from bzrlib import (
 
25
    branch,
 
26
    bzrdir,
 
27
    conflicts,
 
28
    errors,
 
29
    merge_directive,
 
30
    osutils,
 
31
    tests,
 
32
    urlutils,
 
33
    workingtree,
 
34
    )
 
35
 
 
36
 
 
37
class TestMerge(tests.TestCaseWithTransport):
35
38
 
36
39
    def example_branch(self, path='.'):
37
40
        tree = self.make_branch_and_tree(path)
38
41
        self.build_tree_contents([
39
 
            (pathjoin(path, 'hello'), 'foo'),
40
 
            (pathjoin(path, 'goodbye'), 'baz')])
 
42
            (osutils.pathjoin(path, 'hello'), 'foo'),
 
43
            (osutils.pathjoin(path, 'goodbye'), 'baz')])
41
44
        tree.add('hello')
42
45
        tree.commit(message='setup')
43
46
        tree.add('goodbye')
63
66
        return tree, other
64
67
 
65
68
    def test_merge_reprocess(self):
66
 
        d = BzrDir.create_standalone_workingtree('.')
 
69
        d = bzrdir.BzrDir.create_standalone_workingtree('.')
67
70
        d.commit('h')
68
71
        self.run_bzr('merge . --reprocess --merge-type weave')
69
72
 
70
73
    def test_merge(self):
71
 
        from bzrlib.branch import Branch
72
 
 
73
74
        a_tree = self.example_branch('a')
74
75
        ancestor = a_tree.branch.revno()
75
76
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
80
81
        # We can't merge when there are in-tree changes
81
82
        os.chdir('a')
82
83
        self.run_bzr('merge ../b', retcode=3)
83
 
        a = WorkingTree.open('.')
 
84
        a = workingtree.WorkingTree.open('.')
84
85
        a_tip = a.commit("Like an epidemic of u's")
85
86
        self.run_bzr('merge ../b -r last:1..last:1 --merge-type blooof',
86
87
                    retcode=3)
99
100
        self.run_bzr('merge ../b -r last:1')
100
101
        self.check_file_contents('goodbye', 'quux')
101
102
        # Merging a branch pulls its revision into the tree
102
 
        b = Branch.open('../b')
 
103
        b = branch.Branch.open('../b')
103
104
        b_tip = b.last_revision()
104
105
        self.failUnless(a.branch.repository.has_revision(b_tip))
105
106
        self.assertEqual([a_tip, b_tip], a.get_parent_ids())
210
211
        self.failUnlessExists('sub/a.txt.OTHER')
211
212
        self.failUnlessExists('sub/a.txt.BASE')
212
213
 
 
214
    def test_conflict_leaves_base_this_other_files(self):
 
215
        tree, other = self.create_conflicting_branches()
 
216
        self.run_bzr('merge ../other', working_dir='tree',
 
217
                     retcode=1)
 
218
        self.assertFileEqual('a\nb\nc\n', 'tree/fname.BASE')
 
219
        self.assertFileEqual('a\nB\nD\n', 'tree/fname.OTHER')
 
220
        self.assertFileEqual('a\nB\nC\n', 'tree/fname.THIS')
 
221
 
 
222
    def test_weave_conflict_leaves_base_this_other_files(self):
 
223
        tree, other = self.create_conflicting_branches()
 
224
        self.run_bzr('merge ../other --weave', working_dir='tree',
 
225
                     retcode=1)
 
226
        self.assertFileEqual('a\nb\nc\n', 'tree/fname.BASE')
 
227
        self.assertFileEqual('a\nB\nD\n', 'tree/fname.OTHER')
 
228
        self.assertFileEqual('a\nB\nC\n', 'tree/fname.THIS')
 
229
 
213
230
    def test_merge_remember(self):
214
231
        """Merge changes from one branch to another, test submit location."""
215
232
        tree_a = self.make_branch_and_tree('branch_a')
249
266
 
250
267
        base = urlutils.local_path_from_url(branch_a.base)
251
268
        self.assertEndsWith(err, '+N  b\nAll changes applied successfully.\n')
252
 
        self.assertEquals(abspath(branch_b.get_submit_branch()),
253
 
                          abspath(parent))
 
269
        self.assertEquals(osutils.abspath(branch_b.get_submit_branch()),
 
270
                          osutils.abspath(parent))
254
271
        # test implicit --remember when committing new file
255
272
        self.build_tree(['e'])
256
273
        tree_b.add('e')
265
282
        out, err = self.run_bzr('merge ../branch_c --remember')
266
283
        self.assertEquals(out, '')
267
284
        self.assertEquals(err, '+N  c\nAll changes applied successfully.\n')
268
 
        self.assertEquals(abspath(branch_b.get_submit_branch()),
269
 
                          abspath(branch_c.bzrdir.root_transport.base))
 
285
        self.assertEquals(osutils.abspath(branch_b.get_submit_branch()),
 
286
                          osutils.abspath(branch_c.bzrdir.root_transport.base))
270
287
        # re-open tree as external run_bzr modified it
271
288
        tree_b = branch_b.bzrdir.open_workingtree()
272
289
        tree_b.commit('merge branch_c')
294
311
                                              tree_b.get_parent_ids()[0])
295
312
        self.assertEqualDiff(testament_a.as_text(),
296
313
                         testament_b.as_text())
297
 
        tree_a.set_conflicts(ConflictList())
 
314
        tree_a.set_conflicts(conflicts.ConflictList())
298
315
        tree_a.commit('message')
299
316
        # it is legal to attempt to merge an already-merged bundle
300
317
        output = self.run_bzr('merge ../bundle')[1]
349
366
        os.chdir('a')
350
367
        (out, err) = self.run_bzr('merge --pull ../b')
351
368
        self.assertContainsRe(out, 'Now on revision 2\\.')
352
 
        tree_a = WorkingTree.open('.')
 
369
        tree_a = workingtree.WorkingTree.open('.')
353
370
        self.assertEqual([self.id2], tree_a.get_parent_ids())
354
371
 
355
372
    def test_merge_kind_change(self):
363
380
        tree_a.commit('changed file to directory')
364
381
        os.chdir('tree_b')
365
382
        self.run_bzr('merge ../tree_a')
366
 
        self.assertEqual('directory', file_kind('file'))
 
383
        self.assertEqual('directory', osutils.file_kind('file'))
367
384
        tree_b.revert()
368
 
        self.assertEqual('file', file_kind('file'))
 
385
        self.assertEqual('file', osutils.file_kind('file'))
369
386
        self.build_tree_contents([('file', 'content_2')])
370
387
        tree_b.commit('content change')
371
388
        self.run_bzr('merge ../tree_a', retcode=1)
372
389
        self.assertEqual(tree_b.conflicts(),
373
 
                         [ContentsConflict('file', file_id='file-id')])
 
390
                         [conflicts.ContentsConflict('file',
 
391
                                                     file_id='file-id')])
374
392
 
375
393
    def test_directive_cherrypick(self):
376
394
        source = self.make_branch_and_tree('source')
 
395
        source.commit("nothing")
 
396
        # see https://bugs.launchpad.net/bzr/+bug/409688 - trying to
 
397
        # cherrypick from one branch into another unrelated branch with a
 
398
        # different root id will give shape conflicts.  as a workaround we
 
399
        # make sure they share the same root id.
 
400
        target = source.bzrdir.sprout('target').open_workingtree()
377
401
        self.build_tree(['source/a'])
378
402
        source.add('a')
379
403
        source.commit('Added a', rev_id='rev1')
380
404
        self.build_tree(['source/b'])
381
405
        source.add('b')
382
406
        source.commit('Added b', rev_id='rev2')
383
 
        target = self.make_branch_and_tree('target')
384
407
        target.commit('empty commit')
385
408
        self.write_directive('directive', source.branch, 'target', 'rev2',
386
409
                             'rev1')
491
514
        out, err = self.run_bzr(['merge', '-d', 'a', 'b'])
492
515
        self.assertContainsRe(err, 'Warning: criss-cross merge encountered.')
493
516
 
494
 
    def test_merge_force(self):
495
 
        tree_a = self.make_branch_and_tree('a')
496
 
        self.build_tree(['a/foo'])
497
 
        tree_a.add(['foo'])
498
 
        tree_a.commit('add file')
499
 
        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
500
 
        self.build_tree_contents([('a/foo', 'change 1')])
501
 
        tree_a.commit('change file')
502
 
        tree_b.merge_from_branch(tree_a.branch)
503
 
        tree_a.commit('empty change to allow merge to run')
504
 
        self.run_bzr(['merge', '../a', '--force'], working_dir='b')
505
 
 
506
517
    def test_merge_from_submit(self):
507
518
        tree_a = self.make_branch_and_tree('a')
508
519
        tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
555
566
        tree_a.merge_from_branch(tree_b.branch)
556
567
        self.build_tree_contents([('a/file',
557
568
                                   'base-contents\nthis-contents\n')])
558
 
        tree_a.set_conflicts(ConflictList())
 
569
        tree_a.set_conflicts(conflicts.ConflictList())
559
570
        tree_b.merge_from_branch(tree_a.branch)
560
571
        self.build_tree_contents([('b/file',
561
572
                                   'base-contents\nother-contents\n')])
562
 
        tree_b.set_conflicts(ConflictList())
 
573
        tree_b.set_conflicts(conflicts.ConflictList())
563
574
        tree_a.commit('', rev_id='rev3a')
564
575
        tree_b.commit('', rev_id='rev3b')
565
576
        out, err = self.run_bzr(['merge', '-d', 'a', 'b', '--lca'], retcode=1)
582
593
        self.addCleanup(this_tree.unlock)
583
594
        self.assertEqual([],
584
595
                         list(this_tree.iter_changes(this_tree.basis_tree())))
 
596
 
 
597
    def test_merge_missing_second_revision_spec(self):
 
598
        """Merge uses branch basis when the second revision is unspecified."""
 
599
        this = self.make_branch_and_tree('this')
 
600
        this.commit('rev1')
 
601
        other = self.make_branch_and_tree('other')
 
602
        self.build_tree(['other/other_file'])
 
603
        other.add('other_file')
 
604
        other.commit('rev1b')
 
605
        self.run_bzr('merge -d this other -r0..')
 
606
        self.failUnlessExists('this/other_file')
 
607
 
 
608
    def test_merge_interactive_unlocks_branch(self):
 
609
        this = self.make_branch_and_tree('this')
 
610
        other = self.make_branch_and_tree('other')
 
611
        other.commit('empty commit')
 
612
        self.run_bzr('merge -i -d this other')
 
613
        this.lock_write()
 
614
        this.unlock()
 
615
 
 
616
    def test_merge_reversed_revision_range(self):
 
617
        tree = self.make_branch_and_tree(".")
 
618
        for f in ("a", "b"):
 
619
            self.build_tree([f])
 
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
 
 
628
 
 
629
class TestMergeForce(tests.TestCaseWithTransport):
 
630
 
 
631
    def setUp(self):
 
632
        super(TestMergeForce, self).setUp()
 
633
        self.tree_a = self.make_branch_and_tree('a')
 
634
        self.build_tree(['a/foo'])
 
635
        self.tree_a.add(['foo'])
 
636
        self.tree_a.commit('add file')
 
637
        self.tree_b = self.tree_a.bzrdir.sprout('b').open_workingtree()
 
638
        self.build_tree_contents([('a/foo', 'change 1')])
 
639
        self.tree_a.commit('change file')
 
640
        self.tree_b.merge_from_branch(self.tree_a.branch)
 
641
 
 
642
    def test_merge_force(self):
 
643
        self.tree_a.commit('empty change to allow merge to run')
 
644
        # Second merge on top of the uncommitted one
 
645
        self.run_bzr(['merge', '../a', '--force'], working_dir='b')
 
646
 
 
647
 
 
648
    def test_merge_with_uncommitted_changes(self):
 
649
        self.run_bzr_error(['Working tree .* has uncommitted changes'],
 
650
                           ['merge', '../a'], working_dir='b')
 
651
 
 
652
    def test_merge_with_pending_merges(self):
 
653
        # Revert the changes keeping the pending merge
 
654
        self.run_bzr(['revert', 'b'])
 
655
        self.run_bzr_error(['Working tree .* has uncommitted changes'],
 
656
                           ['merge', '../a'], working_dir='b')