def test_extend_path_builds_on_given_paths(self):
base_dir = self.make_dir()
lower_dir = factory.make_name('lower')
subdir = factory.make_name('sub')
os.makedirs(os.path.join(base_dir, lower_dir, subdir))
self.assertEqual([[lower_dir, subdir]],
extend_path(base_dir, [lower_dir]))
def test_extend_path_finds_path_extensions(self):
base_dir = self.make_dir()
subdirs = [
factory.make_name('subdir-%d' % counter) for counter in range(3)
]
for subdir in subdirs:
os.makedirs(os.path.join(base_dir, subdir))
self.assertItemsEqual([[os.path.basename(base_dir), subdir]
for subdir in subdirs],
extend_path(os.path.dirname(base_dir),
[os.path.basename(base_dir)]))
def test_extend_path_stops_if_no_subdirs_found(self):
self.assertItemsEqual([], extend_path(self.make_dir(), []))