def test_readdirShouldReturnParentAndCurDirDirentries(self):
import fuse
# Given
ufs = pcachefs.UnderlyingFs('/path/to')
os.path.isdir = MagicMock(return_value=True)
entries = ['file1', 'file2', 'file3']
os.listdir = MagicMock(return_value=entries)
# When
result = ufs.readdir('/test_dir', None)
# Then
os.path.isdir.assert_called_with('/path/to/test_dir')
resultList = []
for r in result:
# extract 'path' attributes of the Direntry objects
# contained in result
resultList.append(r.name)
for r in ['.', '..']:
self.assertIn(r, resultList)
def test_getattr(self):
# Given
ufs = pcachefs.UnderlyingFs('/path/to')
stat = Mock()
os.stat = MagicMock(return_value=stat)
fuse_stat = Mock()
factory.create = MagicMock(return_value=fuse_stat)
# When
result = ufs.getattr('/my_file')
# Then
os.stat.assert_called_with('/path/to/my_file')
factory.create.assert_called_with(pcachefs.FuseStat, stat)
self.assertEqual(result, fuse_stat)
def test_readdirShouldReturnGenerator(self):
import types
# Given
ufs = pcachefs.UnderlyingFs('/path/to')
os.path.isdir = MagicMock(return_value=True)
entries = ['file1', 'file2', 'file3']
os.listdir = MagicMock(return_value=entries)
# When
result = ufs.readdir('/test_dir', None)
# Then
os.path.isdir.assert_called_with('/path/to/test_dir')
self.assertEquals(type(result), types.GeneratorType)
def test_readShouldReadDataFromFilesystemFiles(self):
import __builtin__
# Given
ufs = pcachefs.UnderlyingFs('/path/to')
# create mock for 'open()' builtin
mock_open = MagicMock()
__builtin__.open = mock_open
mock_open.return_value = MagicMock(spec=file)
# When
ufs.read('/my/file', 400, 3)
# Then
mock_open.assert_called_with('/path/to/my/file', 'rb')
file_handle = mock_open.return_value.__enter__.return_value
file_handle.seek.assert_called_with(3)
file_handle.read.assert_called_with(400)
def test_init(self):
ufs = pcachefs.UnderlyingFs('/path/to')
self.assertEqual('/path/to', ufs.real_path)