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Viewing changes to bzrlib/selftest/testfetch.py

  • Committer: Robert Collins
  • Date: 2005-09-30 02:54:51 UTC
  • mfrom: (1395)
  • mto: This revision was merged to the branch mainline in revision 1397.
  • Revision ID: robertc@robertcollins.net-20050930025451-47b9e412202be44b
symlink and weaves, whaddya know

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bzrlib/selftest/testfetch.py
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from bzrlib.selftest.testrevision import make_branches
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from bzrlib.trace import mutter
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from bzrlib.branch import Branch
 
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from bzrlib.fetch import greedy_fetch
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from bzrlib.selftest import TestCaseInTempDir
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def has_revision(branch, revision_id):
 
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    try:
 
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        branch.get_revision_xml_file(revision_id)
 
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        return True
 
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    except bzrlib.errors.NoSuchRevision:
 
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        return False
 
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def fetch_steps(self, br_a, br_b, writable_a):
 
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    """A foreign test method for testing fetch locally and remotely."""
 
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    def new_branch(name):
 
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        os.mkdir(name)
 
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        return Branch.initialize(name)
 
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    assert not has_revision(br_b, br_a.revision_history()[3])
 
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    assert has_revision(br_b, br_a.revision_history()[2])
 
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    assert len(br_b.revision_history()) == 7
 
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    assert greedy_fetch(br_b, br_a, br_a.revision_history()[2])[0] == 0
 
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    # greedy_fetch is not supposed to alter the revision history
 
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    assert len(br_b.revision_history()) == 7
 
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    assert not has_revision(br_b, br_a.revision_history()[3])
 
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    assert len(br_b.revision_history()) == 7
 
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    assert greedy_fetch(br_b, br_a, br_a.revision_history()[3])[0] == 1
 
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    assert has_revision(br_b, br_a.revision_history()[3])
 
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    assert not has_revision(br_a, br_b.revision_history()[6])
 
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    assert has_revision(br_a, br_b.revision_history()[5])
 
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    # When a non-branch ancestor is missing, it should be a failure, not
 
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    # exception
 
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    print ("CANNOT TEST MISSING NON REVISION_HISTORY ANCESTORS WITHOUT"
 
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           " GHOSTS")
 
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#    br_a4 = new_branch('br_a4')
 
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#    count, failures = greedy_fetch(br_a4, br_a)
 
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#    self.assertEqual(count, 6)
 
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#    self.assertEqual(failures, set((br_b.revision_history()[4],
 
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#                                    br_b.revision_history()[5]))) 
 
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    self.assertEqual(greedy_fetch(writable_a, br_b)[0], 1)
 
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    assert has_revision(br_a, br_b.revision_history()[3])
 
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    assert has_revision(br_a, br_b.revision_history()[4])
 
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    br_b2 = new_branch('br_b2')
 
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    assert greedy_fetch(br_b2, br_b)[0] == 7
 
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    assert has_revision(br_b2, br_b.revision_history()[4])
 
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    assert has_revision(br_b2, br_a.revision_history()[2])
 
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    assert not has_revision(br_b2, br_a.revision_history()[3])
 
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    br_a2 = new_branch('br_a2')
 
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    assert greedy_fetch(br_a2, br_a)[0] == 9
 
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    assert has_revision(br_a2, br_b.revision_history()[4])
 
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    assert has_revision(br_a2, br_a.revision_history()[3])
 
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    assert has_revision(br_a2, br_a.revision_history()[2])
 
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    br_a3 = new_branch('br_a3')
 
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    assert greedy_fetch(br_a3, br_a2)[0] == 0
 
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    for revno in range(4):
 
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        assert not has_revision(br_a3, br_a.revision_history()[revno])
 
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    self.assertEqual(greedy_fetch(br_a3, br_a2, br_a.revision_history()[2])[0], 3)
 
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    fetched = greedy_fetch(br_a3, br_a2, br_a.revision_history()[3])[0]
 
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    assert fetched == 3, "fetched %d instead of 3" % fetched
 
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    # InstallFailed should be raised if the branch is missing the revision
 
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    # that was requested.
 
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    self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
 
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                      br_a2, 'pizza')
 
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    # InstallFailed should be raised if the branch is missing a revision
 
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    # from its own revision history
 
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    br_a2.append_revision('a-b-c')
 
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    self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
 
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                      br_a2)
 
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class TestFetch(TestCaseInTempDir):
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    def runTest(self):
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        from bzrlib.fetch import greedy_fetch, has_revision
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        def new_branch(name):
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            os.mkdir(name)
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            return Branch.initialize(name)
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    def test_fetch(self):
 
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        #highest indices a: 5, b: 7
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        br_a, br_b = make_branches()
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        assert not has_revision(br_b, br_a.revision_history()[3])
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        assert has_revision(br_b, br_a.revision_history()[2])
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        assert len(br_b.revision_history()) == 7
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        assert greedy_fetch(br_b, br_a, br_a.revision_history()[2])[0] == 0
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        # greedy_fetch is not supposed to alter the revision history
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        assert len(br_b.revision_history()) == 7
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        assert not has_revision(br_b, br_a.revision_history()[3])
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        assert len(br_b.revision_history()) == 7
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        assert greedy_fetch(br_b, br_a, br_a.revision_history()[3])[0] == 1
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        assert has_revision(br_b, br_a.revision_history()[3])
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        assert not has_revision(br_a, br_b.revision_history()[3])
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        assert not has_revision(br_a, br_b.revision_history()[4])
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        # When a non-branch ancestor is missing, it should be a failure, not
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        # exception
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        br_a4 = new_branch('br_a4')
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        count, failures = greedy_fetch(br_a4, br_a)
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        assert count == 6
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        assert failures == set((br_b.revision_history()[4],
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                                br_b.revision_history()[5])) 
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        assert greedy_fetch(br_a, br_b)[0] == 4
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        assert has_revision(br_a, br_b.revision_history()[3])
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        assert has_revision(br_a, br_b.revision_history()[4])
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        br_b2 = new_branch('br_b2')
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        assert greedy_fetch(br_b2, br_b)[0] == 7
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        assert has_revision(br_b2, br_b.revision_history()[4])
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        assert has_revision(br_b2, br_a.revision_history()[2])
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        assert not has_revision(br_b2, br_a.revision_history()[3])
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        br_a2 = new_branch('br_a2')
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        assert greedy_fetch(br_a2, br_a)[0] == 9
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        assert has_revision(br_a2, br_b.revision_history()[4])
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        assert has_revision(br_a2, br_a.revision_history()[3])
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        br_a3 = new_branch('br_a3')
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        assert greedy_fetch(br_a3, br_a2)[0] == 0
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        for revno in range(4):
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            assert not has_revision(br_a3, br_a.revision_history()[revno])
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        assert greedy_fetch(br_a3, br_a2, br_a.revision_history()[2])[0] == 3
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        fetched = greedy_fetch(br_a3, br_a2, br_a.revision_history()[3])[0]
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        assert fetched == 3, "fetched %d instead of 3" % fetched
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        # InstallFailed should be raised if the branch is missing the revision
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        # that was requested.
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        self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
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                          br_a2, 'pizza')
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        # InstallFailed should be raised if the branch is missing a revision
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        # from its own revision history
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        br_a2.append_revision('a-b-c')
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        self.assertRaises(bzrlib.errors.InstallFailed, greedy_fetch, br_a3,
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                          br_a2)
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94
 
 
95
 
if __name__ == '__main__':
96
 
    import unittest
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    sys.exit(unittest.run_suite(unittest.makeSuite()))
 
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        fetch_steps(self, br_a, br_b, br_a)