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#!/usr/bin/python
#
# Black-box test dupfiles.
# Copyright 2010 Lars Wirzenius
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import os
import shutil
import subprocess
import tempfile
class TestCase(object):
def __init__(self):
self.tempdir = tempfile.mkdtemp()
self.identical = []
def setUp(self):
pass
def tearDown(self):
pass
def cleanup(self):
shutil.rmtree(self.tempdir)
def create(self, name, content):
file(os.path.join(self.tempdir, name), 'w').write(content)
def hardlink(self, name, newname):
os.link(os.path.join(self.tempdir, name),
os.path.join(self.tempdir, newname))
def symlink(self, name, newname):
os.symlink(os.path.join(self.tempdir, name),
os.path.join(self.tempdir, newname))
def test(self):
p = subprocess.Popen(['./dupfiles', self.tempdir],
stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
if p.returncode:
raise Exception('dupfiles error: %d\n' % p.returncode)
identical = self.identical[:]
for line in stdout.splitlines():
if not line:
continue
line = line.strip()
if line.startswith(self.tempdir + '/'):
line = line[len(self.tempdir + '/'):]
if line in identical:
identical.remove(line)
else:
raise Exception('dupfiles found extra dup: %s' % line)
if identical:
raise Exception('dupfiles failed to find:\n%s' %
'\n'.join(identical))
class DifferentFilesOfSameSize(TestCase):
def setUp(self):
self.create('foo', 'foo')
self.create('bar', 'bar')
class TwoIdenticalFiles(TestCase):
def setUp(self):
self.create('foo', 'foo')
self.create('bar', 'foo')
self.identical = ['foo', 'bar']
class TwoHardlinksToSameContent(TestCase):
def setUp(self):
self.create('foo', 'foo')
self.hardlink('foo', 'bar')
self.identical = []
class TwoHardlinksToSameContentPlusSecondIdenticalCopy(TestCase):
def setUp(self):
self.create('foo', 'foo')
self.hardlink('foo', 'bar')
self.create('foobar', 'foo')
self.identical = ['foo', 'bar', 'foobar']
class Symlink(TestCase):
def setUp(self):
self.create('foo', 'foo')
self.symlink('foo', 'bar')
self.identical = []
def main():
klasses = [o
for name, o in globals().iteritems()
if type(o) == type(object) and
issubclass(o, TestCase) and
o != TestCase]
for klass in klasses:
try:
test = klass()
test.setUp()
test.test()
test.tearDown()
test.cleanup()
except Exception, e:
print 'Test FAIL: %s' % klass.__name__
raise e
else:
print "Test PASS: %s" % klass.__name__
if __name__ == '__main__':
main()
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