def test_should_match_regex_normalized_filepath(self):
fakeio_session = fakeio.FakeIOSession()
fakeio_session.intercept_regex(re.compile("^/memfile/"))
with fakeio_session:
# Assert not raise IOError
open("/memfile\\something.txt", 'w')
def test_should_intercept_regex(self):
fakeio_session = fakeio.FakeIOSession()
fakeio_session.intercept_regex(re.compile("^/memfile/"))
with fakeio_session:
fileobj = open("/memfile/something.txt", 'w')
fileobj.write('something')
def test_should_mapped_string_has_name(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/something.txt"
fakeio_session.create_file(filepath, 'r', 'content')
with fakeio_session:
fileobj = open(filepath, 'r')
self.assertEqual(fileobj.name, filepath)
def test_should_normalize_filepath_when_open(self):
fakeio_session = fakeio.FakeIOSession()
content = "something"
fakeio_session.create_file("/memfile/something.txt", 'r', content)
with fakeio_session:
# Assert not raise IOError
open("/memfile\\something.txt", 'r')
def test_should_unmap_when_exit_with_statement(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/something.txt"
content = "something"
fakeio_session.create_file(filepath, 'r', content)
with fakeio_session:
pass
with self.assertRaises(IOError):
open(filepath, 'r')
def test_should_mapping_have_precedence_over_regex(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/something.txt"
regex = "^/memfile/"
content = "something"
fakeio_session.create_file(filepath, 'r', content)
with fakeio_session:
fileobj = open(filepath, 'r')
self.assertEqual(fileobj.read(), content)
def test_maps_io_open_when_entering_with_statement(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/something.txt"
content = "something"
fakeio_session.create_file(filepath, 'r', content)
with self.assertRaises(IOError):
io.open(filepath, 'r')
with fakeio_session:
self.assertEqual(io.open(filepath, 'r').read(), content)
def test_should_create_writable_file(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/writable.txt"
content = 'something'
writable_fileobj = fakeio_session.create_file(filepath, 'rw')
with fakeio_session:
fileobj = open(filepath, 'w')
fileobj.write(content)
fileobj.close()
self.assertEqual(writable_fileobj.getvalue(), content)
def test_should_be_able_to_open_again_after_closed(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/something.txt"
fakeio_session.create_file(filepath, 'r', 'content')
with fakeio_session:
fileobj = open(filepath, 'r')
fileobj.read()
fileobj.close()
fileobj = open(filepath, 'r')
fileobj.read()
fileobj.close()
def test_should_be_able_to_open_again_after_closed_wriable(self):
fakeio_session = fakeio.FakeIOSession()
filepath = "/memfile/writable.txt"
content = 'something'
writable_fileobj = fakeio_session.create_file(filepath, 'rw')
with fakeio_session:
fileobj = open(filepath, 'w')
fileobj.write(content)
fileobj.close()
fileobj = open(filepath, 'r')
self.assertEqual(fileobj.read(), content)
def test_should_return_faked_file_mappings(self):
fakeio_session = fakeio.FakeIOSession()
filepath_regex = "/memfile/something_regex.txt"
filepath_mapping = "/memfile/something_mapping.txt"
readable_fileobj = fakeio_session.create_file(filepath_mapping, 'r')
fakeio_session.intercept_regex(re.compile("^/memfile/"))
with fakeio_session:
open(filepath_regex, 'w')
mappings = fakeio_session.mappings
self.assertIn(filepath_regex, mappings)
self.assertIn(filepath_mapping, mappings)
self.assertIs(mappings[filepath_mapping], readable_fileobj)
def test_should_not_normalized_not_matched_path(self):
filepath = "/memfile\\something.txt"
class OpenMock(object):
def __init__(self):
self.called = None
def __call__(self, f, m, b):
self.called = f
open_mock = OpenMock()
saved_open = __builtin__.open
try:
__builtin__.open = open_mock
filepath = "/memfile\\something.txt"
fakeio_session = fakeio.FakeIOSession()
with fakeio_session:
open(filepath)
self.assertEqual(filepath, open_mock.called)
finally:
__builtin__.open = saved_open
def test_should_pass_through_normal_file(self):
fakeio_session = fakeio.FakeIOSession()
content = open(__file__, 'r').read()
with fakeio_session:
self.assertEqual(open(__file__, 'r').read(), content)
def test_should_raise_IOError_when_no_such_file_exists(self):
fakeio_session = fakeio.FakeIOSession()
with self.assertRaises(IOError), fakeio_session:
open("/memfile/notfound.txt", 'r')