/usr/lib/python3/dist-packages/testtools/tests/matchers/test_filesystem.py is in python3-testtools 1.8.1-0ubuntu1.
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import os
import shutil
import tarfile
import tempfile
from testtools import TestCase
from testtools.matchers import (
Contains,
DocTestMatches,
Equals,
)
from testtools.matchers._filesystem import (
DirContains,
DirExists,
FileContains,
FileExists,
HasPermissions,
PathExists,
SamePath,
TarballContains,
)
class PathHelpers(object):
def mkdtemp(self):
directory = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, directory)
return directory
def create_file(self, filename, contents=''):
fp = open(filename, 'w')
try:
fp.write(contents)
finally:
fp.close()
def touch(self, filename):
return self.create_file(filename)
class TestPathExists(TestCase, PathHelpers):
def test_exists(self):
tempdir = self.mkdtemp()
self.assertThat(tempdir, PathExists())
def test_not_exists(self):
doesntexist = os.path.join(self.mkdtemp(), 'doesntexist')
mismatch = PathExists().match(doesntexist)
self.assertThat(
"%s does not exist." % doesntexist, Equals(mismatch.describe()))
class TestDirExists(TestCase, PathHelpers):
def test_exists(self):
tempdir = self.mkdtemp()
self.assertThat(tempdir, DirExists())
def test_not_exists(self):
doesntexist = os.path.join(self.mkdtemp(), 'doesntexist')
mismatch = DirExists().match(doesntexist)
self.assertThat(
PathExists().match(doesntexist).describe(),
Equals(mismatch.describe()))
def test_not_a_directory(self):
filename = os.path.join(self.mkdtemp(), 'foo')
self.touch(filename)
mismatch = DirExists().match(filename)
self.assertThat(
"%s is not a directory." % filename, Equals(mismatch.describe()))
class TestFileExists(TestCase, PathHelpers):
def test_exists(self):
tempdir = self.mkdtemp()
filename = os.path.join(tempdir, 'filename')
self.touch(filename)
self.assertThat(filename, FileExists())
def test_not_exists(self):
doesntexist = os.path.join(self.mkdtemp(), 'doesntexist')
mismatch = FileExists().match(doesntexist)
self.assertThat(
PathExists().match(doesntexist).describe(),
Equals(mismatch.describe()))
def test_not_a_file(self):
tempdir = self.mkdtemp()
mismatch = FileExists().match(tempdir)
self.assertThat(
"%s is not a file." % tempdir, Equals(mismatch.describe()))
class TestDirContains(TestCase, PathHelpers):
def test_empty(self):
tempdir = self.mkdtemp()
self.assertThat(tempdir, DirContains([]))
def test_not_exists(self):
doesntexist = os.path.join(self.mkdtemp(), 'doesntexist')
mismatch = DirContains([]).match(doesntexist)
self.assertThat(
PathExists().match(doesntexist).describe(),
Equals(mismatch.describe()))
def test_contains_files(self):
tempdir = self.mkdtemp()
self.touch(os.path.join(tempdir, 'foo'))
self.touch(os.path.join(tempdir, 'bar'))
self.assertThat(tempdir, DirContains(['bar', 'foo']))
def test_matcher(self):
tempdir = self.mkdtemp()
self.touch(os.path.join(tempdir, 'foo'))
self.touch(os.path.join(tempdir, 'bar'))
self.assertThat(tempdir, DirContains(matcher=Contains('bar')))
def test_neither_specified(self):
self.assertRaises(AssertionError, DirContains)
def test_both_specified(self):
self.assertRaises(
AssertionError, DirContains, filenames=[], matcher=Contains('a'))
def test_does_not_contain_files(self):
tempdir = self.mkdtemp()
self.touch(os.path.join(tempdir, 'foo'))
mismatch = DirContains(['bar', 'foo']).match(tempdir)
self.assertThat(
Equals(['bar', 'foo']).match(['foo']).describe(),
Equals(mismatch.describe()))
class TestFileContains(TestCase, PathHelpers):
def test_not_exists(self):
doesntexist = os.path.join(self.mkdtemp(), 'doesntexist')
mismatch = FileContains('').match(doesntexist)
self.assertThat(
PathExists().match(doesntexist).describe(),
Equals(mismatch.describe()))
def test_contains(self):
tempdir = self.mkdtemp()
filename = os.path.join(tempdir, 'foo')
self.create_file(filename, 'Hello World!')
self.assertThat(filename, FileContains('Hello World!'))
def test_matcher(self):
tempdir = self.mkdtemp()
filename = os.path.join(tempdir, 'foo')
self.create_file(filename, 'Hello World!')
self.assertThat(
filename, FileContains(matcher=DocTestMatches('Hello World!')))
def test_neither_specified(self):
self.assertRaises(AssertionError, FileContains)
def test_both_specified(self):
self.assertRaises(
AssertionError, FileContains, contents=[], matcher=Contains('a'))
def test_does_not_contain(self):
tempdir = self.mkdtemp()
filename = os.path.join(tempdir, 'foo')
self.create_file(filename, 'Goodbye Cruel World!')
mismatch = FileContains('Hello World!').match(filename)
self.assertThat(
Equals('Hello World!').match('Goodbye Cruel World!').describe(),
Equals(mismatch.describe()))
class TestTarballContains(TestCase, PathHelpers):
def test_match(self):
tempdir = self.mkdtemp()
in_temp_dir = lambda x: os.path.join(tempdir, x)
self.touch(in_temp_dir('a'))
self.touch(in_temp_dir('b'))
tarball = tarfile.open(in_temp_dir('foo.tar.gz'), 'w')
tarball.add(in_temp_dir('a'), 'a')
tarball.add(in_temp_dir('b'), 'b')
tarball.close()
self.assertThat(
in_temp_dir('foo.tar.gz'), TarballContains(['b', 'a']))
def test_mismatch(self):
tempdir = self.mkdtemp()
in_temp_dir = lambda x: os.path.join(tempdir, x)
self.touch(in_temp_dir('a'))
self.touch(in_temp_dir('b'))
tarball = tarfile.open(in_temp_dir('foo.tar.gz'), 'w')
tarball.add(in_temp_dir('a'), 'a')
tarball.add(in_temp_dir('b'), 'b')
tarball.close()
mismatch = TarballContains(['d', 'c']).match(in_temp_dir('foo.tar.gz'))
self.assertEqual(
mismatch.describe(),
Equals(['c', 'd']).match(['a', 'b']).describe())
class TestSamePath(TestCase, PathHelpers):
def test_same_string(self):
self.assertThat('foo', SamePath('foo'))
def test_relative_and_absolute(self):
path = 'foo'
abspath = os.path.abspath(path)
self.assertThat(path, SamePath(abspath))
self.assertThat(abspath, SamePath(path))
def test_real_path(self):
tempdir = self.mkdtemp()
source = os.path.join(tempdir, 'source')
self.touch(source)
target = os.path.join(tempdir, 'target')
try:
os.symlink(source, target)
except (AttributeError, NotImplementedError):
self.skip("No symlink support")
self.assertThat(source, SamePath(target))
self.assertThat(target, SamePath(source))
class TestHasPermissions(TestCase, PathHelpers):
def test_match(self):
tempdir = self.mkdtemp()
filename = os.path.join(tempdir, 'filename')
self.touch(filename)
permissions = oct(os.stat(filename).st_mode)[-4:]
self.assertThat(filename, HasPermissions(permissions))
def test_suite():
from unittest import TestLoader
return TestLoader().loadTestsFromName(__name__)
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