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# Copyright (C) 2005 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""test case for knit/weave algorithm"""
from testsweet import TestBase
from knit import Knit, VerInfo
# texts for use in testing
TEXT_0 = ["Hello world"]
TEXT_1 = ["Hello world",
"A second line"]
class Easy(TestBase):
def runTest(self):
k = Knit()
class StoreText(TestBase):
"""Store and retrieve a simple text."""
def runTest(self):
k = Knit()
idx = k.add([], TEXT_0)
self.assertEqual(k.get(idx), TEXT_0)
self.assertEqual(idx, 0)
class AnnotateOne(TestBase):
def runTest(self):
k = Knit()
k.add([], TEXT_0)
self.assertEqual(k.annotate(0),
[(0, TEXT_0[0])])
class StoreTwo(TestBase):
def runTest(self):
k = Knit()
idx = k.add([], TEXT_0)
self.assertEqual(idx, 0)
idx = k.add([], TEXT_1)
self.assertEqual(idx, 1)
self.assertEqual(k.get(0), TEXT_0)
self.assertEqual(k.get(1), TEXT_1)
k.dump(self.TEST_LOG)
class Delta1(TestBase):
"""Detection of changes prior to inserting new revision."""
def runTest(self):
from pprint import pformat
k = Knit()
k.add([], ['line 1'])
changes = list(k._delta(set([0]),
['line 1',
'new line']))
self.log('raw changes: ' + pformat(changes))
# should be one inserted line after line 0q
self.assertEquals(changes,
[(1, 1, ['new line'])])
changes = k._delta(set([0]),
['top line',
'line 1'])
self.assertEquals(list(changes),
[(0, 0, ['top line'])])
class InvalidAdd(TestBase):
"""Try to use invalid version number during add."""
def runTest(self):
k = Knit()
self.assertRaises(IndexError,
k.add,
[69],
['new text!'])
class InsertLines(TestBase):
"""Store a revision that adds one line to the original.
Look at the annotations to make sure that the first line is matched
and not stored repeatedly."""
def runTest(self):
k = Knit()
k.add([], ['line 1'])
k.add([0], ['line 1', 'line 2'])
self.assertEqual(k.annotate(0),
[(0, 'line 1')])
self.assertEqual(k.get(1),
['line 1',
'line 2'])
self.assertEqual(k.annotate(1),
[(0, 'line 1'),
(1, 'line 2')])
k.add([0], ['line 1', 'diverged line'])
self.assertEqual(k.annotate(2),
[(0, 'line 1'),
(2, 'diverged line')])
k.add([0, 1],
['line 1', 'middle line', 'line 2'])
self.assertEqual(k.annotate(3),
[(0, 'line 1'),
(3, 'middle line'),
(1, 'line 2')])
class IncludeVersions(TestBase):
"""Check texts that are stored across multiple revisions.
Here we manually create a knit with particular encoding and make
sure it unpacks properly.
Text 0 includes nothing; text 1 includes text 0 and adds some
lines.
"""
def runTest(self):
k = Knit()
k._v = [VerInfo(), VerInfo(included=[0])]
k._l = [(0, "first line"),
(1, "second line")]
self.assertEqual(k.get(1),
["first line",
"second line"])
self.assertEqual(k.get(0),
["first line"])
k.dump(self.TEST_LOG)
class DivergedIncludes(TestBase):
"""Knit with two diverged texts based on version 0.
"""
def runTest(self):
k = Knit()
k._v = [VerInfo(),
VerInfo(included=[0]),
VerInfo(included=[0]),
]
k._l = [(0, "first line"),
(1, "second line"),
(2, "alternative second line"),]
self.assertEqual(k.get(0),
["first line"])
self.assertEqual(k.get(1),
["first line",
"second line"])
self.assertEqual(k.get(2),
["first line",
"alternative second line"])
def testknit():
import testsweet
from unittest import TestSuite, TestLoader
import testknit
tl = TestLoader()
suite = TestSuite()
suite.addTest(tl.loadTestsFromModule(testknit))
return int(not testsweet.run_suite(suite)) # for shell 0=true
if __name__ == '__main__':
import sys
sys.exit(testknit())
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