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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: tests regarding version names
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# TODO: rbc 20050108 test that join does not leave an inconsistent weave
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# TODO: rbc 20050108 test that join does not leave an inconsistent weave
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"""test suite for weave algorithm"""
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[('text0', TEXT_0[0])])
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class GetSha1(TestBase):
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def test_get_sha1(self):
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k.add_lines('text0', [], 'text0')
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self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
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self.assertRaises(errors.RevisionNotPresent,
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self.assertRaises(errors.RevisionNotPresent,
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class InvalidAdd(TestBase):
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"""Try to use invalid version number during add."""
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def runTest(self):
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['text0', 'text1', 'text3'],
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['line 1', 'aaa', 'middle line', 'bbb', 'line 2', 'ccc'])
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self.assertEqual(k.annotate('text4'),
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self.assertEqual(k.annotate('text4'),
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[('text0', 'line 1'),
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('text4', 'aaa'),
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('text3', 'middle line'),
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base_text = ['one', 'two', 'three', 'four']
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k.add_lines('text0', [], base_text)
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texts = [['one', 'two', 'three'],
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['two', 'three', 'four'],
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text0 = ['cheddar', 'stilton', 'gruyere']
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text1 = ['cheddar', 'blue vein', 'neufchatel', 'chevre']
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k.add_lines('text0', [], text0)
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k.add_lines('text1', ['text0'], text1)
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A Jug of Wine, a Loaf of Bread, -- and Thou
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Beside me singing in the Wilderness --
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Oh, Wilderness were Paradise enow!""",
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"""A Book of Verses underneath the Bough,
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A Jug of Wine, a Loaf of Bread, -- and Thou
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Beside me singing in the Wilderness --
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self.weave1.add_lines('v1', [], self.lines1)
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self.weave1.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
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self.weave1.add_lines('v3', ['v2'], self.lines3)
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def test_join_empty(self):
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"""Join two empty weaves."""
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eq = self.assertEqual
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def test_join_empty_to_nonempty(self):
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"""Join empty weave onto nonempty."""
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self.weave1.join(Weave())
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self.assertEqual(len(self.weave1), 3)
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def test_join_unrelated(self):
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"""Join two weaves with no history in common."""
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wb.add_lines('b1', [], ['line from b\n'])
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eq = self.assertEqual
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eq(sorted(w1.versions()),
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['b1', 'v1', 'v2', 'v3'])
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def test_join_related(self):
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wa = self.weave1.copy()
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wb = self.weave1.copy()
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wa.add_lines('a1', ['v3'], ['hello\n', 'sweet\n', 'world\n'])
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wb.add_lines('b1', ['v3'], ['hello\n', 'pale blue\n', 'world\n'])
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eq = self.assertEquals
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eq(wa.get_lines('b1'),
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['hello\n', 'pale blue\n', 'world\n'])
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def test_join_text_disagreement(self):
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"""Cannot join weaves with different texts for a version."""
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wa.add_lines('v1', [], ['hello\n'])
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wb.add_lines('v1', [], ['not\n', 'hello\n'])
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self.assertRaises(WeaveError,
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def test_join_unordered(self):
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"""Join weaves where indexes differ.
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The source weave contains a different version at index 0."""
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wa = self.weave1.copy()
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wb.add_lines('x1', [], ['line from x1\n'])
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wb.add_lines('v1', [], ['hello\n'])
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wb.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
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eq = self.assertEquals
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eq(sorted(wa.versions()), ['v1', 'v2', 'v3', 'x1',])
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eq(wa.get_text('x1'), 'line from x1\n')
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def test_written_detection(self):
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# Test detection of weave file corruption.
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self.assertRaises(errors.WeaveInvalidChecksum, w.check)
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class TestWeave(TestCase):
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def test_allow_reserved_false(self):
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w = Weave('name', allow_reserved=False)
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# Add lines is checked at the WeaveFile level, not at the Weave level
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w.add_lines('name:', [], TEXT_1)
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# But get_lines is checked at this level
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self.assertRaises(errors.ReservedId, w.get_lines, 'name:')
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def test_allow_reserved_true(self):
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w = Weave('name', allow_reserved=True)
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w.add_lines('name:', [], TEXT_1)
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self.assertEqual(TEXT_1, w.get_lines('name:'))
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class InstrumentedWeave(Weave):
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"""Keep track of how many times functions are called."""
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def __init__(self, weave_name=None):
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self._extract_count = 0
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Weave.__init__(self, weave_name=weave_name)
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return Weave._extract(self, versions)
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class JoinOptimization(TestCase):
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"""Test that Weave.join() doesn't extract all texts, only what must be done."""
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w1 = InstrumentedWeave()
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w2 = InstrumentedWeave()
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txt1 = ['a\n', 'b\n']
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txt2 = ['a\n', 'c\n']
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txt3 = ['a\n', 'b\n', 'c\n']
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w1.add_lines('txt0', [], txt0) # extract 1a
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w2.add_lines('txt0', [], txt0) # extract 1b
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w1.add_lines('txt1', ['txt0'], txt1)# extract 2a
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w2.add_lines('txt2', ['txt0'], txt2)# extract 2b
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w1.join(w2) # extract 3a to add txt2
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w2.join(w1) # extract 3b to add txt1
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w1.add_lines('txt3', ['txt1', 'txt2'], txt3) # extract 4a
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w2.add_lines('txt3', ['txt2', 'txt1'], txt3) # extract 4b
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# These secretly have inverted parents
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# This should not have to do any extractions
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w1.join(w2) # NO extract, texts already present with same parents
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w2.join(w1) # NO extract, texts already present with same parents
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self.assertEqual(4, w1._extract_count)
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self.assertEqual(4, w2._extract_count)
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def test_double_parent(self):
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# It should not be considered illegal to add
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# a revision with the same parent twice
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w1 = InstrumentedWeave()
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w2 = InstrumentedWeave()
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txt1 = ['a\n', 'b\n']
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txt2 = ['a\n', 'c\n']
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txt3 = ['a\n', 'b\n', 'c\n']
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w1.add_lines('txt0', [], txt0)
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w2.add_lines('txt0', [], txt0)
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w1.add_lines('txt1', ['txt0'], txt1)
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w2.add_lines('txt1', ['txt0', 'txt0'], txt1)
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# Same text, effectively the same, because the
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# parent is only repeated
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w1.join(w2) # extract 3a to add txt2
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w2.join(w1) # extract 3b to add txt1
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class TestNeedsReweave(TestCase):
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"""Internal corner cases for when reweave is needed."""