def test_validate_name_strict(setup_teardown_folder):
"""Test naming rule strict."""
f = File(setup_teardown_folder[1], name_validation=fv.strict)
f.close()
with pytest.raises(NameError):
File(setup_teardown_folder[1].with_suffix(".exdirA"), name_validation=fv.strict)
def test_nonexistent_file(setup_teardown_folder):
"""Modes 'r' and 'r+' do not create files."""
with pytest.raises(IOError):
File(setup_teardown_folder[1], 'r')
with pytest.raises(IOError):
File(setup_teardown_folder[1], 'r+')
def test_create_exclusive(setup_teardown_folder):
"""Mode 'w-' opens file in exclusive mode."""
f = File(setup_teardown_folder[1], 'w-')
assert isinstance(f, File)
f.close()
with pytest.raises(RuntimeError):
File(setup_teardown_folder[1], 'w-')
def test_create_exclusive(setup_teardown_folder):
"""Mode 'w-' opens file in exclusive mode."""
f = File(setup_teardown_folder[1], 'w-')
assert f
f.close()
with pytest.raises(IOError):
File(setup_teardown_folder[1], 'w-')
def test_validate_name_none(setup_teardown_folder):
"""Test naming rule with error."""
f = File(setup_teardown_folder[1], name_validation=fv.none)
f.create_group("abcdefghijklmnopqrstuvwxyz1234567890_-")
f.create_group("ABNCUIY&z()(d()&")
f.close()
def test_validate_name_strict(setup_teardown_folder):
"""Test naming rule strict."""
f = File(setup_teardown_folder[1], name_validation=fv.strict)
f.create_group("abcdefghijklmnopqrstuvwxyz1234567890_-")
with pytest.raises(NameError):
f.create_group("A")
f.close()
def test_context_manager(setup_teardown_folder):
"""File objects can be used in with statements."""
no_exdir = setup_teardown_folder[2]
with File(no_exdir, mode="w") as f:
assert isinstance(f, File)
assert not f
def test_readonly_delete_exception(setup_teardown_file):
"""Deleting object in readonly file raises KeyError."""
f = setup_teardown_file[3]
f.close()
f = File(setup_teardown_file[1], "r")
match = "Cannot change data on file in read only 'r' mode"
with pytest.raises(IOError, match=match):
del f["foo"]
def test_append(setup_teardown_folder):
"""Mode 'a' opens file in append/readwrite mode, creating if necessary."""
f = File(setup_teardown_folder[1], 'a')
assert f
f.create_group('foo')
assert 'foo' in f
f = File(setup_teardown_folder[1], 'a')
assert 'foo' in f
f.create_group('bar')
assert 'bar' in f
def test_validate_name_thorough(setup_teardown_folder):
"""Test naming rule thorough."""
f = File(setup_teardown_folder[0] / "test.exdir", name_validation=fv.thorough)
f.close()
with pytest.raises(FileExistsError):
File(setup_teardown_folder[0] / "Test.exdir", name_validation=fv.thorough)
with pytest.raises(NameError):
File(setup_teardown_folder[0] / "tes#.exdir", name_validation=fv.thorough)
def test_validate_name_simple(setup_teardown_folder):
"""Test naming rule simple."""
f = File(setup_teardown_folder[1], name_validation=fv.thorough)
grp = f.create_group("test")
grp.create_group("abcdefghijklmnopqrstuvwxyz1234567890_-")
with pytest.raises(NameError):
grp.create_group("()")
f.close()
remove(setup_teardown_folder[1])
f = File(setup_teardown_folder[1], name_validation=fv.thorough)
grp = f.create_group("test")
grp.create_group("aa")
with pytest.raises(RuntimeError):
grp.create_group("AA")
def test_validate_name_none(setup_teardown_folder):
"""Test naming rule with error."""
File(setup_teardown_folder[1].with_name("test&().exdir"), name_validation=fv.none)
def test_validate_name_error(setup_teardown_folder):
"""Test naming rule with error."""
with pytest.raises(ValueError):
File(setup_teardown_folder[1], name_validation='Error rule')
def test_file_close(setup_teardown_folder):
"""Closing a file."""
f = File(setup_teardown_folder[1], mode="w")
f.close()
def test_open_mode(setup_teardown_folder):
# must exist
for mode in ["r+", "r"]:
with pytest.raises(IOError):
f = File(setup_teardown_folder[1], mode)
# create if not exist
for mode in ["a", "w", "w-"]:
remove(setup_teardown_folder[1])
f = File(setup_teardown_folder[1], mode)
f.require_dataset('dset', np.arange(10))
f.attrs['can_overwrite'] = 42
f.attrs['can_overwrite'] = 14
f.require_group('mygroup')
remove(setup_teardown_folder[1])
f = File(setup_teardown_folder[1], 'w')
f.close() # dummy close
# read write if exist
f = File(setup_teardown_folder[1], "r+")
f.require_group('mygroup')
f.require_dataset('dset', np.arange(10))
f.attrs['can_overwrite'] = 42
f.attrs['can_overwrite'] = 14
# read only, can not write
f = File(setup_teardown_folder[1], 'r')
with pytest.raises(IOError):
f.require_dataset('dset', np.arange(10))
f.attrs['can_not_write'] = 42
f.create_group('mygroup')
def test_readwrite(setup_teardown_folder):
"""Mode 'r+' opens existing file in readwrite mode."""
f = File(setup_teardown_folder[1], 'w')
f.create_group('foo')
f.close()
f = File(setup_teardown_folder[1], 'r+')
assert 'foo' in f
f.create_group('bar')
assert 'bar' in f
f.close()
def test_readonly(setup_teardown_folder):
"""Mode 'r' opens file in readonly mode."""
f = File(setup_teardown_folder[1], 'w')
f.close()
# TODO comment in when close is implemented
# assert not f
f = File(setup_teardown_folder[1], 'r')
assert f
with pytest.raises(IOError):
f.create_group('foo')
f.create_dataset("bar", (2))
f.close()
def test_opening_with_different_validate_name(setup_teardown_folder):
"""Test opening with wrong naming rule."""
f = File(setup_teardown_folder[1], "w", name_validation=fv.none)
f.create_group("AAA")
f.close()
# TODO changing name validation should result in warning/error
f = File(setup_teardown_folder[1], "a", name_validation=fv.thorough)
with pytest.raises(FileExistsError):
f.create_group("aaa")
f.close()
def test_file_init(setup_teardown_folder):
no_exdir = setup_teardown_folder[0] / "no_exdir"
f = File(no_exdir, mode="w")
f.close()
assert is_nonraw_object_directory(no_exdir.with_suffix(".exdir"))
remove(setup_teardown_folder[1])
f = File(setup_teardown_folder[1], mode="w")
f.close()
assert is_nonraw_object_directory(setup_teardown_folder[1])
remove(setup_teardown_folder[1])
f = File(setup_teardown_folder[1], mode="a")
f.close()
assert is_nonraw_object_directory(setup_teardown_folder[1])
remove(setup_teardown_folder[1])
f = File(setup_teardown_folder[1], mode="a")
f.close()
assert is_nonraw_object_directory(setup_teardown_folder[1])
remove(setup_teardown_folder[1])
setup_teardown_folder[1].mkdir(parents=True)
with pytest.raises(FileExistsError):
f = File(setup_teardown_folder[1], mode="w")
remove(setup_teardown_folder[1])
_create_object_directory(pathlib.Path(setup_teardown_folder[1]), exob._default_metadata(DATASET_TYPENAME))
with pytest.raises(FileExistsError):
f = File(setup_teardown_folder[1], mode="w")
remove(setup_teardown_folder[1])
with pytest.raises(IOError):
f = File(setup_teardown_folder[1], mode="r")
with pytest.raises(IOError):
f = File(setup_teardown_folder[1], mode="r+")
_create_object_directory(pathlib.Path(setup_teardown_folder[1]), exob._default_metadata(FILE_TYPENAME))
with pytest.raises(FileExistsError):
f = File(setup_teardown_folder[1], mode="w")
remove(setup_teardown_folder[1])
_create_object_directory(pathlib.Path(setup_teardown_folder[1]), exob._default_metadata(FILE_TYPENAME))
f = File(setup_teardown_folder[1], mode="w", allow_remove=True)
remove(setup_teardown_folder[1])
_create_object_directory(pathlib.Path(setup_teardown_folder[1]), exob._default_metadata(FILE_TYPENAME))
with pytest.raises(IOError):
f = File(setup_teardown_folder[1], mode="w-")
with pytest.raises(IOError):
f = File(setup_teardown_folder[1], mode="x")
with pytest.raises(ValueError):
f = File(setup_teardown_folder[1], mode="not existing")
def test_readonly(setup_teardown_folder):
"""Mode 'r' opens file in readonly mode."""
f = File(setup_teardown_folder[1], 'w')
f.close()
assert not f
f = File(setup_teardown_folder[1], 'r')
assert isinstance(f, File)
with pytest.raises(IOError):
f.create_group('foo')
f.create_dataset("bar", (2))
f.close()
def test_create(setup_teardown_folder):
"""Mode 'w' opens file in overwrite mode."""
f = File(setup_teardown_folder[1], 'w')
assert f
f.create_group('foo')
f.close()
f = File(setup_teardown_folder[1], 'w', allow_remove=True)
assert 'foo' not in f
f.close()
with pytest.raises(FileExistsError):
f = File(setup_teardown_folder[1], 'w')
def test_invalid_mode(setup_teardown_folder):
"""Invalid modes raise ValueError."""
with pytest.raises(ValueError):
File(setup_teardown_folder[1], 'Error mode')