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Viewing changes to bzrlib/tests/test_knit.py

  • Committer: Martin Pool
  • Date: 2006-03-09 07:59:36 UTC
  • mfrom: (1601 +trunk)
  • mto: This revision was merged to the branch mainline in revision 1602.
  • Revision ID: mbp@sourcefrog.net-20060309075936-c13ae6445966956e
[merge] from bzr.dev

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bzrlib/tests/test_knit.py
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from bzrlib.knit import KnitVersionedFile, KnitPlainFactory, KnitAnnotateFactory
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from bzrlib.osutils import split_lines
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from bzrlib.tests import TestCaseInTempDir
 
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from bzrlib.transport import TransportLogger
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from bzrlib.transport.local import LocalTransport
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from bzrlib.transport.memory import MemoryTransport
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from bzrlib.transactions import PassThroughTransaction
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class KnitTests(TestCaseInTempDir):
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        self.assertEquals(lines, ['z\n', 'c\n'])
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        origins = k1.annotate('text-c')
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        self.assertEquals(origins[0], ('text-c', 'z\n')) 
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        self.assertEquals(origins[1], ('text-b', 'c\n')) 
 
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        self.assertEquals(origins[0], ('text-c', 'z\n'))
 
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        self.assertEquals(origins[1], ('text-b', 'c\n'))
 
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    def test_extraction_reads_components_once(self):
 
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        t = MemoryTransport()
 
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        instrumented_t = TransportLogger(t)
 
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        k1 = KnitVersionedFile('id', instrumented_t, create=True, delta=True)
 
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        # should read the index
 
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        self.assertEqual([('id.kndx',)], instrumented_t._calls)
 
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        instrumented_t._calls = []
 
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        # add a text       
 
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        k1.add_lines('base', [], ['text\n'])
 
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        # should not have read at all
 
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        self.assertEqual([], instrumented_t._calls)
 
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        # add a text
 
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        k1.add_lines('sub', ['base'], ['text\n', 'text2\n'])
 
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        # should not have read at all
 
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        self.assertEqual([], instrumented_t._calls)
 
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        # read a text
 
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        k1.get_lines('sub')
 
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        # should not have read at all
 
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        self.assertEqual([], instrumented_t._calls)
 
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        # clear the cache
 
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        k1.clear_cache()
 
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        # read a text
 
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        k1.get_lines('base')
 
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        # should have read a component
 
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        # should not have read the first component only
 
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        self.assertEqual([('id.knit', [(0, 87)])], instrumented_t._calls)
 
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        instrumented_t._calls = []
 
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        # read again
 
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        k1.get_lines('base')
 
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        # should not have read at all
 
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        self.assertEqual([], instrumented_t._calls)
 
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        # and now read the other component
 
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        k1.get_lines('sub')
 
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        # should have read the second component
 
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        self.assertEqual([('id.knit', [(87, 92)])], instrumented_t._calls)
 
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        instrumented_t._calls = []
 
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        # clear the cache
 
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        k1.clear_cache()
 
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        # add a text cold 
 
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        k1.add_lines('sub2', ['base'], ['text\n', 'text3\n'])
 
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        # should read the first component only
 
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        self.assertEqual([('id.knit', [(0, 87)])], instrumented_t._calls)
 
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    def test_iter_lines_reads_in_order(self):
 
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        t = MemoryTransport()
 
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        instrumented_t = TransportLogger(t)
 
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        k1 = KnitVersionedFile('id', instrumented_t, create=True, delta=True)
 
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        self.assertEqual([('id.kndx',)], instrumented_t._calls)
 
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        # add texts with no required ordering
 
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        k1.add_lines('base', [], ['text\n'])
 
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        k1.add_lines('base2', [], ['text2\n'])
 
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        k1.clear_cache()
 
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        instrumented_t._calls = []
 
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        # request a last-first iteration
 
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        results = list(k1.iter_lines_added_or_present_in_versions(['base2', 'base']))
 
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        self.assertEqual([('id.knit', [(0, 87), (87, 89)])], instrumented_t._calls)
 
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        self.assertEqual(['text\n', 'text2\n'], results)
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    def test_create_empty_annotated(self):
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        k1 = self.make_test_knit(True)