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Viewing changes to bzrlib/selftest/testbranch.py

  • Committer: Martin Pool
  • Date: 2005-09-01 11:53:02 UTC
  • Revision ID: mbp@sourcefrog.net-20050901115302-2fcc6c750f0abe34
- make external commands work again

  code is now much simpler; no translation to objects and back again

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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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from bzrlib.branch import Branch
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from bzrlib.clone import copy_branch
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from bzrlib.commit import commit
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import bzrlib.errors as errors
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from bzrlib.errors import NoSuchRevision, UnlistableBranch, NotBranchError
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from bzrlib.selftest import TestCaseInTempDir
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from bzrlib.trace import mutter
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import bzrlib.transactions as transactions
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from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
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class TestBranch(TestCaseInTempDir):
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class TestAppendRevisions(TestCaseInTempDir):
 
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    """Test appending more than one revision"""
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    def test_append_revisions(self):
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        """Test appending more than one revision"""
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        br = Branch.initialize(".")
 
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        from bzrlib.branch import Branch
 
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        br = Branch(".", init=True)
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        br.append_revision("rev1")
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        self.assertEquals(br.revision_history(), ["rev1",])
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        br.append_revision("rev2", "rev3")
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        self.assertEquals(br.revision_history(), ["rev1", "rev2", "rev3"])
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    def test_fetch_revisions(self):
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        """Test fetch-revision operation."""
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        from bzrlib.fetch import Fetcher
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        os.mkdir('b1')
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        os.mkdir('b2')
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        b1 = Branch.initialize('b1')
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        b2 = Branch.initialize('b2')
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        file(os.sep.join(['b1', 'foo']), 'w').write('hello')
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        b1.add(['foo'], ['foo-id'])
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        b1.commit('lala!', rev_id='revision-1', allow_pointless=False)
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49
 
        mutter('start fetch')
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        f = Fetcher(from_branch=b1, to_branch=b2)
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        eq = self.assertEquals
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        eq(f.count_copied, 1)
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        eq(f.last_revision, 'revision-1')
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        rev = b2.get_revision('revision-1')
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        tree = b2.revision_tree('revision-1')
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        eq(tree.get_file_text('foo-id'), 'hello')
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59
 
    def test_push_stores(self):
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        """Copy the stores from one branch to another"""
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        os.mkdir('a')
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        br_a = Branch.initialize("a")
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        file('a/b', 'wb').write('b')
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        br_a.add('b')
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        commit(br_a, "silly commit")
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        os.mkdir('b')
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        br_b = Branch.initialize("b")
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        self.assertRaises(NoSuchRevision, br_b.get_revision, 
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                          br_a.revision_history()[0])
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        br_a.push_stores(br_b)
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        rev = br_b.get_revision(br_a.revision_history()[0])
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        tree = br_b.revision_tree(br_a.revision_history()[0])
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        for file_id in tree:
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            if tree.inventory[file_id].kind == "file":
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                tree.get_file(file_id).read()
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        return br_a, br_b
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79
 
    def test_copy_branch(self):
80
 
        """Copy the stores from one branch to another"""
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        br_a, br_b = self.test_push_stores()
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        commit(br_b, "silly commit")
83
 
        os.mkdir('c')
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        br_c = copy_branch(br_a, 'c', basis_branch=br_b)
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        self.assertEqual(br_a.revision_history(), br_c.revision_history())
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        ## # basis branches currently disabled for weave format
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        ## self.assertFalse(br_b.last_revision() in br_c.revision_history())
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        ## br_c.get_revision(br_b.last_revision())
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90
 
    def test_copy_partial(self):
91
 
        """Copy only part of the history of a branch."""
92
 
        self.build_tree(['a/', 'a/one'])
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        br_a = Branch.initialize('a')
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        br_a.add(['one'])
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        br_a.commit('commit one', rev_id='u@d-1')
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        self.build_tree(['a/two'])
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        br_a.add(['two'])
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        br_a.commit('commit two', rev_id='u@d-2')
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        br_b = copy_branch(br_a, 'b', revision='u@d-1')
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        self.assertEqual(br_b.last_revision(), 'u@d-1')
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        self.assertTrue(os.path.exists('b/one'))
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        self.assertFalse(os.path.exists('b/two'))
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    def test_record_initial_ghost_merge(self):
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        """A pending merge with no revision present is still a merge."""
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        branch = Branch.initialize('.')
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        branch.add_pending_merge('non:existent@rev--ision--0--2')
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        branch.commit('pretend to merge nonexistent-revision', rev_id='first')
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        rev = branch.get_revision(branch.last_revision())
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        self.assertEqual(len(rev.parent_ids), 1)
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        # parent_sha1s is not populated now, WTF. rbc 20051003
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        self.assertEqual(len(rev.parent_sha1s), 0)
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        self.assertEqual(rev.parent_ids[0], 'non:existent@rev--ision--0--2')
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# TODO 20051003 RBC:
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# compare the gpg-to-sign info for a commit with a ghost and 
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#     an identical tree without a ghost
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# fetch missing should rewrite the TOC of weaves to list newly available parents.
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    def test_pending_merges(self):
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        """Tracking pending-merged revisions."""
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        b = Branch.initialize('.')
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        self.assertEquals(b.pending_merges(), [])
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        b.add_pending_merge('foo@azkhazan-123123-abcabc')
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        self.assertEquals(b.pending_merges(), ['foo@azkhazan-123123-abcabc'])
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        b.add_pending_merge('foo@azkhazan-123123-abcabc')
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        self.assertEquals(b.pending_merges(), ['foo@azkhazan-123123-abcabc'])
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        b.add_pending_merge('wibble@fofof--20050401--1928390812')
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        self.assertEquals(b.pending_merges(),
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                          ['foo@azkhazan-123123-abcabc',
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                           'wibble@fofof--20050401--1928390812'])
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        b.commit("commit from base with two merges")
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        rev = b.get_revision(b.revision_history()[0])
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        self.assertEquals(len(rev.parent_ids), 2)
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        self.assertEquals(rev.parent_ids[0],
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                          'foo@azkhazan-123123-abcabc')
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        self.assertEquals(rev.parent_ids[1],
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                           'wibble@fofof--20050401--1928390812')
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        # list should be cleared when we do a commit
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        self.assertEquals(b.pending_merges(), [])
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class TestRemote(TestCaseWithWebserver):
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    def test_open_containing(self):
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        self.assertRaises(NotBranchError, Branch.open_containing,
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                          self.get_remote_url(''))
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        self.assertRaises(NotBranchError, Branch.open_containing,
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                          self.get_remote_url('g/p/q'))
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        b = Branch.initialize('.')
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        Branch.open_containing(self.get_remote_url(''))
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        Branch.open_containing(self.get_remote_url('g/p/q'))
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# TODO: rewrite this as a regular unittest, without relying on the displayed output        
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#         >>> from bzrlib.commit import commit
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#         >>> bzrlib.trace.silent = True
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#         Added 0 revisions.
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#         >>> br1.text_store.total_size() == br2.text_store.total_size()
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#         True
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175
 
class InstrumentedTransaction(object):
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    def finish(self):
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        self.calls.append('finish')
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180
 
    def __init__(self):
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        self.calls = []
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184
 
class TestBranchTransaction(TestCaseInTempDir):
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186
 
    def setUp(self):
187
 
        super(TestBranchTransaction, self).setUp()
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        self.branch = Branch.initialize('.')
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    def test_default_get_transaction(self):
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        """branch.get_transaction on a new branch should give a PassThrough."""
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        self.failUnless(isinstance(self.branch.get_transaction(),
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                                   transactions.PassThroughTransaction))
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195
 
    def test__set_new_transaction(self):
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        self.branch._set_transaction(transactions.ReadOnlyTransaction())
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    def test__set_over_existing_transaction_raises(self):
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        self.branch._set_transaction(transactions.ReadOnlyTransaction())
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        self.assertRaises(errors.LockError,
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                          self.branch._set_transaction,
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                          transactions.ReadOnlyTransaction())
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    def test_finish_no_transaction_raises(self):
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        self.assertRaises(errors.LockError, self.branch._finish_transaction)
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    def test_finish_readonly_transaction_works(self):
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        self.branch._set_transaction(transactions.ReadOnlyTransaction())
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        self.branch._finish_transaction()
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        self.assertEqual(None, self.branch._transaction)
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    def test_unlock_calls_finish(self):
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        self.branch.lock_read()
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        transaction = InstrumentedTransaction()
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        self.branch._transaction = transaction
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        self.branch.unlock()
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        self.assertEqual(['finish'], transaction.calls)
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219
 
    def test_lock_read_acquires_ro_transaction(self):
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        self.branch.lock_read()
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        self.failUnless(isinstance(self.branch.get_transaction(),
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                                   transactions.ReadOnlyTransaction))
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        self.branch.unlock()
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    def test_lock_write_acquires_passthrough_transaction(self):
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        self.branch.lock_write()
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        # cannot use get_transaction as its magic
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        self.failUnless(isinstance(self.branch._transaction,
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                                   transactions.PassThroughTransaction))
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        self.branch.unlock()