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# gemato: Top-level Manifest finding tests
# vim:fileencoding=utf-8
# (c) 2017 Michał Górny
# Licensed under the terms of 2-clause BSD license
import os
import os.path
import unittest
import gemato.find_top_level
from tests.testutil import TempDirTestCase
class TestCurrentDirectory(TempDirTestCase):
"""
Test for finding top-level Manifest in a plain tree.
"""
DIRS = ['suba', 'subb', 'subc', 'subc/sub']
FILES = {
'Manifest': u'',
'subb/Manifest': u'',
'subc/sub/Manifest': u'',
}
def test_find_top_level_manifest(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(self.dir),
self.dir),
'Manifest')
def test_find_top_level_manifest_from_empty_subdir(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'suba')),
self.dir),
'Manifest')
def test_find_top_level_manifest_from_manifest_subdir(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'subb')),
self.dir),
'Manifest')
def test_find_top_level_manifest_from_deep_manifest_subdir(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'subc', 'sub')),
self.dir),
'Manifest')
class TestUnreadableManifest(TempDirTestCase):
"""
Test whether the function fails correctly when it can not read
a Manifest file.
"""
FILES = {
'Manifest': u'',
}
def setUp(self):
super(TestUnreadableManifest, self).setUp()
os.chmod(os.path.join(self.dir, 'Manifest'), 0)
def test_find_top_level_manifest(self):
self.assertRaises(IOError,
gemato.find_top_level.find_top_level_manifest, self.dir)
class TestIgnoredSubdir(TempDirTestCase):
"""
Test for ignoring irrelevant Manifest.
"""
DIRS = ['sub', 'sub/sub', 'subb', 'subempty']
FILES = {
'Manifest': u'''
IGNORE sub
IGNORE subempty
''',
'sub/Manifest': u'',
}
def test_find_top_level_manifest(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(self.dir),
self.dir),
'Manifest')
def test_find_top_level_manifest_from_ignored_subdir(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'sub')),
self.dir),
'sub/Manifest')
def test_find_top_level_manifest_from_sub_subdir(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'sub/sub')),
self.dir),
'sub/Manifest')
def test_find_top_level_manifest_from_non_ignored_subdir(self):
self.assertEqual(
os.path.relpath(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'subb')),
self.dir),
'Manifest')
def test_find_top_level_manifest_from_ignored_empty_subdir(self):
self.assertIsNone(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'subempty')))
class TestEmptyTree(TempDirTestCase):
"""
Test for finding top-level Manifest in a tree without a Manifest
"""
def test_find_top_level_manifest(self):
self.assertIsNone(
gemato.find_top_level.find_top_level_manifest(self.dir))
class TestRootDirectory(unittest.TestCase):
"""
Test behavior when run on the system root directory.
"""
def test_find_top_level_manifest(self):
if os.path.exists('/Manifest'):
raise unittest.SkipTest('/Manifest is present')
self.assertIsNone(
gemato.find_top_level.find_top_level_manifest('/'))
class TestCrossDevice(TempDirTestCase):
"""
Test behavior when attempting to cross device boundary.
"""
FILES = {
'Manifest': u'',
}
def setUp(self):
if not os.path.exists('/proc'):
raise unittest.SkipTest('/proc does not exist')
super(TestCrossDevice, self).setUp()
os.symlink('/proc', os.path.join(self.dir, 'test'))
def tearDown(self):
os.unlink(os.path.join(self.dir, 'test'))
super(TestCrossDevice, self).tearDown()
def test_find_top_level_manifest(self):
self.assertIsNone(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'test')))
class TestCrossDeviceManifest(TempDirTestCase):
"""
Test behavior when attempting to use a Manifest from other device
(symlinked).
"""
DIRS = ['sub']
def setUp(self):
if not os.path.exists('/proc/version'):
raise unittest.SkipTest('/proc/version does not exist')
super(TestCrossDeviceManifest, self).setUp()
os.symlink('/proc/version', os.path.join(self.dir, 'Manifest'))
def tearDown(self):
os.unlink(os.path.join(self.dir, 'Manifest'))
super(TestCrossDeviceManifest, self).tearDown()
def test_find_top_level_manifest(self):
self.assertIsNone(
gemato.find_top_level.find_top_level_manifest(
os.path.join(self.dir, 'sub')))
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