~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/selftest/testbranch.py

  • Committer: Robert Collins
  • Date: 2005-10-17 11:56:54 UTC
  • mfrom: (1185.16.59)
  • Revision ID: robertc@robertcollins.net-20051017115654-662239e1587524a8
mergeĀ fromĀ martin.

Show diffs side-by-side

added added

removed removed

Lines of Context:
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
 
from bzrlib.selftest import InTempDir
18
 
 
19
 
 
20
 
 
21
 
class TestAppendRevisions(InTempDir):
22
 
    """Test appending more than one revision"""
23
 
    def runTest(self):
24
 
        from bzrlib.branch import Branch
25
 
        br = Branch(".", init=True)
 
17
import os
 
18
from bzrlib.branch import Branch
 
19
from bzrlib.clone import copy_branch
 
20
from bzrlib.commit import commit
 
21
import bzrlib.errors as errors
 
22
from bzrlib.errors import NoSuchRevision, UnlistableBranch, NotBranchError
 
23
from bzrlib.selftest import TestCaseInTempDir
 
24
from bzrlib.trace import mutter
 
25
import bzrlib.transactions as transactions
 
26
from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
 
27
 
 
28
# TODO: Make a branch using basis branch, and check that it 
 
29
# doesn't request any files that could have been avoided, by 
 
30
# hooking into the Transport.
 
31
 
 
32
class TestBranch(TestCaseInTempDir):
 
33
 
 
34
    def test_append_revisions(self):
 
35
        """Test appending more than one revision"""
 
36
        br = Branch.initialize(".")
26
37
        br.append_revision("rev1")
27
38
        self.assertEquals(br.revision_history(), ["rev1",])
28
39
        br.append_revision("rev2", "rev3")
29
40
        self.assertEquals(br.revision_history(), ["rev1", "rev2", "rev3"])
30
 
        
31
 
 
32
 
 
33
 
TEST_CLASSES = [
34
 
    TestAppendRevisions,
35
 
    ]
 
41
 
 
42
    def test_fetch_revisions(self):
 
43
        """Test fetch-revision operation."""
 
44
        from bzrlib.fetch import Fetcher
 
45
        os.mkdir('b1')
 
46
        os.mkdir('b2')
 
47
        b1 = Branch.initialize('b1')
 
48
        b2 = Branch.initialize('b2')
 
49
        file(os.sep.join(['b1', 'foo']), 'w').write('hello')
 
50
        b1.add(['foo'], ['foo-id'])
 
51
        b1.commit('lala!', rev_id='revision-1', allow_pointless=False)
 
52
 
 
53
        mutter('start fetch')
 
54
        f = Fetcher(from_branch=b1, to_branch=b2)
 
55
        eq = self.assertEquals
 
56
        eq(f.count_copied, 1)
 
57
        eq(f.last_revision, 'revision-1')
 
58
 
 
59
        rev = b2.get_revision('revision-1')
 
60
        tree = b2.revision_tree('revision-1')
 
61
        eq(tree.get_file_text('foo-id'), 'hello')
 
62
 
 
63
    def test_push_stores(self):
 
64
        """Copy the stores from one branch to another"""
 
65
        os.mkdir('a')
 
66
        br_a = Branch.initialize("a")
 
67
        file('a/b', 'wb').write('b')
 
68
        br_a.add('b')
 
69
        commit(br_a, "silly commit")
 
70
 
 
71
        os.mkdir('b')
 
72
        br_b = Branch.initialize("b")
 
73
        self.assertRaises(NoSuchRevision, br_b.get_revision, 
 
74
                          br_a.revision_history()[0])
 
75
        br_a.push_stores(br_b)
 
76
        rev = br_b.get_revision(br_a.revision_history()[0])
 
77
        tree = br_b.revision_tree(br_a.revision_history()[0])
 
78
        for file_id in tree:
 
79
            if tree.inventory[file_id].kind == "file":
 
80
                tree.get_file(file_id).read()
 
81
        return br_a, br_b
 
82
 
 
83
    def test_copy_branch(self):
 
84
        """Copy the stores from one branch to another"""
 
85
        br_a, br_b = self.test_push_stores()
 
86
        commit(br_b, "silly commit")
 
87
        os.mkdir('c')
 
88
        br_c = copy_branch(br_a, 'c', basis_branch=br_b)
 
89
        self.assertEqual(br_a.revision_history(), br_c.revision_history())
 
90
 
 
91
    def test_copy_partial(self):
 
92
        """Copy only part of the history of a branch."""
 
93
        self.build_tree(['a/', 'a/one'])
 
94
        br_a = Branch.initialize('a')
 
95
        br_a.add(['one'])
 
96
        br_a.commit('commit one', rev_id='u@d-1')
 
97
        self.build_tree(['a/two'])
 
98
        br_a.add(['two'])
 
99
        br_a.commit('commit two', rev_id='u@d-2')
 
100
        br_b = copy_branch(br_a, 'b', revision='u@d-1')
 
101
        self.assertEqual(br_b.last_revision(), 'u@d-1')
 
102
        self.assertTrue(os.path.exists('b/one'))
 
103
        self.assertFalse(os.path.exists('b/two'))
 
104
        
 
105
 
 
106
    def test_record_initial_ghost_merge(self):
 
107
        """A pending merge with no revision present is still a merge."""
 
108
        branch = Branch.initialize('.')
 
109
        branch.add_pending_merge('non:existent@rev--ision--0--2')
 
110
        branch.commit('pretend to merge nonexistent-revision', rev_id='first')
 
111
        rev = branch.get_revision(branch.last_revision())
 
112
        self.assertEqual(len(rev.parent_ids), 1)
 
113
        # parent_sha1s is not populated now, WTF. rbc 20051003
 
114
        self.assertEqual(len(rev.parent_sha1s), 0)
 
115
        self.assertEqual(rev.parent_ids[0], 'non:existent@rev--ision--0--2')
 
116
 
 
117
# TODO 20051003 RBC:
 
118
# compare the gpg-to-sign info for a commit with a ghost and 
 
119
#     an identical tree without a ghost
 
120
# fetch missing should rewrite the TOC of weaves to list newly available parents.
 
121
        
 
122
    def test_pending_merges(self):
 
123
        """Tracking pending-merged revisions."""
 
124
        b = Branch.initialize('.')
 
125
 
 
126
        self.assertEquals(b.pending_merges(), [])
 
127
        b.add_pending_merge('foo@azkhazan-123123-abcabc')
 
128
        self.assertEquals(b.pending_merges(), ['foo@azkhazan-123123-abcabc'])
 
129
        b.add_pending_merge('foo@azkhazan-123123-abcabc')
 
130
        self.assertEquals(b.pending_merges(), ['foo@azkhazan-123123-abcabc'])
 
131
        b.add_pending_merge('wibble@fofof--20050401--1928390812')
 
132
        self.assertEquals(b.pending_merges(),
 
133
                          ['foo@azkhazan-123123-abcabc',
 
134
                           'wibble@fofof--20050401--1928390812'])
 
135
        b.commit("commit from base with two merges")
 
136
        rev = b.get_revision(b.revision_history()[0])
 
137
        self.assertEquals(len(rev.parent_ids), 2)
 
138
        self.assertEquals(rev.parent_ids[0],
 
139
                          'foo@azkhazan-123123-abcabc')
 
140
        self.assertEquals(rev.parent_ids[1],
 
141
                           'wibble@fofof--20050401--1928390812')
 
142
        # list should be cleared when we do a commit
 
143
        self.assertEquals(b.pending_merges(), [])
 
144
 
 
145
    def test_sign_existing_revision(self):
 
146
        import bzrlib.gpg
 
147
        branch = Branch.initialize('.')
 
148
        branch.commit("base", allow_pointless=True, rev_id='A')
 
149
        from bzrlib.testament import Testament
 
150
        branch.sign_revision('A', bzrlib.gpg.LoopbackGPGStrategy(None))
 
151
        self.assertEqual(Testament.from_revision(branch, 'A').as_short_text(),
 
152
                         branch.revision_store.get('A', 'sig').read())
 
153
 
 
154
 
 
155
class TestRemote(TestCaseWithWebserver):
 
156
 
 
157
    def test_open_containing(self):
 
158
        self.assertRaises(NotBranchError, Branch.open_containing,
 
159
                          self.get_remote_url(''))
 
160
        self.assertRaises(NotBranchError, Branch.open_containing,
 
161
                          self.get_remote_url('g/p/q'))
 
162
        b = Branch.initialize('.')
 
163
        Branch.open_containing(self.get_remote_url(''))
 
164
        Branch.open_containing(self.get_remote_url('g/p/q'))
 
165
        
 
166
# TODO: rewrite this as a regular unittest, without relying on the displayed output        
 
167
#         >>> from bzrlib.commit import commit
 
168
#         >>> bzrlib.trace.silent = True
 
169
#         >>> br1 = ScratchBranch(files=['foo', 'bar'])
 
170
#         >>> br1.add('foo')
 
171
#         >>> br1.add('bar')
 
172
#         >>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
 
173
#         >>> br2 = ScratchBranch()
 
174
#         >>> br2.update_revisions(br1)
 
175
#         Added 2 texts.
 
176
#         Added 1 inventories.
 
177
#         Added 1 revisions.
 
178
#         >>> br2.revision_history()
 
179
#         [u'REVISION-ID-1']
 
180
#         >>> br2.update_revisions(br1)
 
181
#         Added 0 revisions.
 
182
#         >>> br1.text_store.total_size() == br2.text_store.total_size()
 
183
#         True
 
184
 
 
185
class InstrumentedTransaction(object):
 
186
 
 
187
    def finish(self):
 
188
        self.calls.append('finish')
 
189
 
 
190
    def __init__(self):
 
191
        self.calls = []
 
192
 
 
193
 
 
194
class TestBranchTransaction(TestCaseInTempDir):
 
195
 
 
196
    def setUp(self):
 
197
        super(TestBranchTransaction, self).setUp()
 
198
        self.branch = Branch.initialize('.')
 
199
        
 
200
    def test_default_get_transaction(self):
 
201
        """branch.get_transaction on a new branch should give a PassThrough."""
 
202
        self.failUnless(isinstance(self.branch.get_transaction(),
 
203
                                   transactions.PassThroughTransaction))
 
204
 
 
205
    def test__set_new_transaction(self):
 
206
        self.branch._set_transaction(transactions.ReadOnlyTransaction())
 
207
 
 
208
    def test__set_over_existing_transaction_raises(self):
 
209
        self.branch._set_transaction(transactions.ReadOnlyTransaction())
 
210
        self.assertRaises(errors.LockError,
 
211
                          self.branch._set_transaction,
 
212
                          transactions.ReadOnlyTransaction())
 
213
 
 
214
    def test_finish_no_transaction_raises(self):
 
215
        self.assertRaises(errors.LockError, self.branch._finish_transaction)
 
216
 
 
217
    def test_finish_readonly_transaction_works(self):
 
218
        self.branch._set_transaction(transactions.ReadOnlyTransaction())
 
219
        self.branch._finish_transaction()
 
220
        self.assertEqual(None, self.branch._transaction)
 
221
 
 
222
    def test_unlock_calls_finish(self):
 
223
        self.branch.lock_read()
 
224
        transaction = InstrumentedTransaction()
 
225
        self.branch._transaction = transaction
 
226
        self.branch.unlock()
 
227
        self.assertEqual(['finish'], transaction.calls)
 
228
 
 
229
    def test_lock_read_acquires_ro_transaction(self):
 
230
        self.branch.lock_read()
 
231
        self.failUnless(isinstance(self.branch.get_transaction(),
 
232
                                   transactions.ReadOnlyTransaction))
 
233
        self.branch.unlock()
 
234
        
 
235
    def test_lock_write_acquires_passthrough_transaction(self):
 
236
        self.branch.lock_write()
 
237
        # cannot use get_transaction as its magic
 
238
        self.failUnless(isinstance(self.branch._transaction,
 
239
                                   transactions.PassThroughTransaction))
 
240
        self.branch.unlock()