def test_DUnion_object(self):
union_object = DUnion([bool, DChar(), int]).as_numpy_object('c')
self.assertEqual(union_object[0]["DChar8"], 99)
with self.assertRaises(
DeltaTypeError,
msg="NumPy unions cannot be converted to Python types."):
self.check('c', DUnion([bool, DChar(), int]))
def test_as_delta_type(self):
"""Test conversion from python to Deltaflow data types."""
# special
self.assertEqual(as_delta_type(object), Top())
self.assertEqual(as_delta_type(type(object)), Top())
self.assertEqual(as_delta_type(type), Top())
self.assertEqual(as_delta_type(Void), Void)
with self.assertRaises(DeltaTypeError):
as_delta_type(None)
with self.assertRaises(DeltaTypeError):
as_delta_type(type(None))
# primitive
self.assertNotEqual(as_delta_type(bool), DUInt(DSize(1)))
self.assertEqual(as_delta_type(bool), DBool())
self.assertEqual(as_delta_type(np.bool_), DBool())
self.assertEqual(as_delta_type(int), DInt(DSize(32)))
self.assertEqual(as_delta_type(np.int8), DChar())
self.assertEqual(as_delta_type(np.int16), DInt(DSize(16)))
self.assertEqual(as_delta_type(np.int32), DInt(DSize(32)))
self.assertEqual(as_delta_type(np.int64), DInt(DSize(64)))
self.assertEqual(as_delta_type(np.uint8), DChar())
self.assertEqual(as_delta_type(np.uint16), DUInt(DSize(16)))
self.assertEqual(as_delta_type(np.uint32), DUInt(DSize(32)))
self.assertEqual(as_delta_type(np.uint64), DUInt(DSize(64)))
self.assertEqual(as_delta_type(float), DFloat())
self.assertEqual(as_delta_type(np.float32), DFloat(DSize(32)))
self.assertEqual(as_delta_type(np.float64), DFloat(DSize(64)))
self.assertEqual(as_delta_type(complex), DComplex())
self.assertEqual(as_delta_type(np.complex64), DComplex(DSize(64)))
self.assertEqual(as_delta_type(np.complex128), DComplex(DSize(128)))
# compound
with self.assertRaises(DeltaTypeError):
as_delta_type(Tuple[int, bool])
with self.assertRaises(DeltaTypeError):
as_delta_type(List[int])
self.assertNotEqual(as_delta_type(str), DArray(DChar(), DSize(1024)))
self.assertEqual(as_delta_type(str), DStr())
self.assertEqual(as_delta_type(RecBI), DRecord(RecBI))
# numpy compound
self.assertEqual(as_delta_type(DArray(int, DSize(5)).as_numpy_type()),
DArray(int, DSize(5)))
self.assertEqual(as_delta_type(DStr().as_numpy_type()), DStr())
self.assertEqual(
as_delta_type(DTuple([int, bool, float]).as_numpy_type()),
DTuple([int, bool, float])
)
self.assertEqual(as_delta_type(DRecord(RecBI).as_numpy_type()),
DRecord(RecBI))
self.assertEqual(
as_delta_type(DUnion([bool, float, int]).as_numpy_type()),
DUnion([bool, float, int]))
def test_DUnion_type(self):
union_type = DUnion([bool, DChar(), int]).as_numpy_type()
self.assertEqual(union_type[0], np.bool_)
self.assertEqual(union_type[1], np.uint8)
self.assertEqual(union_type[2], np.int32)
self.assertEqual(union_type.fields['DBool'][1], 0)
self.assertEqual(union_type.fields['DChar8'][1], 0)
self.assertEqual(union_type.fields['DInt32'][1], 0)
def test_delta_type(self):
"""Test mapping python objects to Deltaflow data types."""
# special
with self.assertRaises(DeltaTypeError):
delta_type(None)
# primitive
self.assertEqual(delta_type(False), DBool())
self.assertEqual(delta_type(np.bool_(False)), DBool())
self.assertEqual(delta_type(5), DInt(DSize(32)))
self.assertEqual(delta_type(np.int16(5)), DInt(DSize(16)))
self.assertEqual(delta_type(np.int32(5)), DInt(DSize(32)))
self.assertEqual(delta_type(np.int64(5)), DInt(DSize(64)))
self.assertEqual(delta_type(np.uint16(5)), DUInt(DSize(16)))
self.assertEqual(delta_type(np.uint32(5)), DUInt(DSize(32)))
self.assertEqual(delta_type(np.uint64(5)), DUInt(DSize(64)))
self.assertEqual(delta_type(4.2), DFloat(DSize(32)))
self.assertEqual(delta_type(np.float32(4.2)), DFloat(DSize(32)))
self.assertEqual(delta_type(np.float64(4.2)), DFloat(DSize(64)))
self.assertEqual(delta_type(3+1j), DComplex(DSize(64)))
self.assertEqual(delta_type(np.complex64(3+1j)), DComplex(DSize(64)))
self.assertEqual(delta_type(np.complex128(3+1j)), DComplex(DSize(128)))
self.assertEqual(delta_type('c'), DChar())
# compound
self.assertEqual(delta_type((1, True, 3.7)),
DTuple([int, bool, float]))
self.assertEqual(delta_type([1, 2, 4]), DArray(int, DSize(3)))
self.assertEqual(delta_type(RecBI(True, 5)), DRecord(RecBI))
# numpy compound
self.assertEqual(delta_type(np.array([1, 2, 3, 4, 5])),
DArray(DInt(DSize(64)), DSize(5)))
self.assertEqual(delta_type(np.array([1, 2.0, 3, 4, 5])),
DArray(DFloat(DSize(64)), DSize(5)))
self.assertEqual(delta_type(
DStr(DSize(5)).as_numpy_object("abcde")), DStr(DSize(5)))
self.assertEqual(
delta_type(DTuple([int, float, bool]
).as_numpy_object((1, 2.0, True))),
DTuple([int, float, bool])
)
self.assertEqual(
delta_type(DRecord(RecBI).as_numpy_object(RecBI(True, 2))),
DRecord(RecBI)
)
self.assertEqual(
delta_type(DUnion([bool, float, int]).as_numpy_object(5.0)),
DUnion([bool, float, int])
)
# different combinations
self.assertEqual(delta_type([(4, 4.3), (2, 3.3)]),
DArray(DTuple([int, float]), DSize(2)))
def test_size(self):
"""Test how many bits each data type takes."""
# primitive
self.assertEqual(DInt().size, DSize(32))
self.assertEqual(DUInt().size, DSize(32))
self.assertEqual(DBool().size, DSize(1))
self.assertEqual(DChar().size, DSize(8))
self.assertEqual(DFloat().size, DSize(32))
# compound
self.assertEqual(DTuple([int, bool]).size, DSize(33))
self.assertEqual(DArray(int, DSize(10)).size, DSize(320))
self.assertEqual(DStr().size, DSize(8192))
self.assertEqual(DRecord(RecBI).size, DSize(33))
# compound: DUnion
self.assertEqual(DUnion([bool]).size, DSize(9))
self.assertEqual(DUnion([int, bool]).size, DSize(40))
self.assertEqual(DUnion([int, DTuple([int, int])]).size, DSize(2*32+8))
def test_str(self):
"""Test string representation of data types."""
# primitive
self.assertEqual(str(DInt()), "DInt32")
self.assertEqual(str(DInt(DSize(64))), "DInt64")
self.assertEqual(str(DUInt()), "DUInt32")
self.assertEqual(str(DUInt(DSize(64))), "DUInt64")
self.assertEqual(str(DBool()), "DBool")
self.assertEqual(str(DChar()), "DChar8")
self.assertEqual(str(DFloat()), "DFloat32")
self.assertEqual(str(DFloat(DSize(64))), "DFloat64")
# compound
self.assertEqual(str(DArray(int, DSize(8))), "[DInt32 x 8]")
self.assertEqual(str(DStr()), "DStr8192")
self.assertEqual(str(DStr(DSize(100))), "DStr800")
self.assertEqual(str(DTuple([int, bool])), "(DInt32, DBool)")
self.assertEqual(str(DRecord(RecBIS)),
"{x: DBool, y: DInt32, z: DStr8192}")
self.assertEqual(str(DUnion([int, bool])), "<DBool | DInt32>")
# compound: DUnion
self.assertEqual(str(DUnion([int])), "<DInt32>")
self.assertEqual(str(DUnion([int, DUnion([int, bool])])),
"<DBool | DInt32>")
self.assertEqual(str(DUnion([int, DUnion([int, DUnion([int, bool])])])),
"<DBool | DInt32>")
# encapsulation of various types
self.assertEqual(str(DUnion([int, DTuple([int, bool])])),
"<(DInt32, DBool) | DInt32>")
self.assertEqual(str(DArray(DTuple([int, bool]), DSize(8))),
"[(DInt32, DBool) x 8]")
# special
self.assertEqual(str(Top()), "T")
self.assertEqual(str(DSize(5)), "5")
self.assertEqual(str(DSize(NamespacedName("a", "b"))), "(a.b)")
self.assertEqual(str(ForkedReturn(dict(x=int, y=bool, z=str))),
"ForkedReturn(x:DInt32, y:DBool, z:DStr8192)")
def test_as_python_type(self):
"""Test conversion of Deltaflow data types to python."""
# special
self.assertEqual(Top().as_python_type(), Any)
# primitive
self.assertEqual(DInt(DSize(32)).as_python_type(), int)
self.assertEqual(DInt(DSize(64)).as_python_type(), int)
self.assertEqual(DUInt(DSize(32)).as_python_type(), int)
self.assertEqual(DUInt(DSize(64)).as_python_type(), int)
self.assertEqual(DBool().as_python_type(), bool)
with self.assertRaises(NotImplementedError):
DChar().as_python_type()
self.assertEqual(DFloat(DSize(32)).as_python_type(), float)
self.assertEqual(DFloat(DSize(64)).as_python_type(), float)
self.assertEqual(DComplex(DSize(64)).as_python_type(), complex)
self.assertEqual(DComplex(DSize(128)).as_python_type(), complex)
# compound
self.assertEqual(DTuple([int, bool]).as_python_type(),
Tuple[int, bool])
self.assertEqual(DTuple([int, DTuple([int, bool])]).as_python_type(),
Tuple[int, Tuple[int, bool]])
self.assertEqual(DArray(int, DSize(3)).as_python_type(),
List[int])
self.assertEqual(DStr().as_python_type(), str)
self.assertEqual(DStr(DSize(10)).as_python_type(), str)
self.assertEqual(DRecord(RecBI).as_python_type(), RecBI)
self.assertEqual(DRecord(RecBDi).as_python_type(), RecBDi)
self.assertNotEqual(DRecord(RecBI).as_python_type(), RecBI_copy)
# compound: DUnion
self.assertEqual(DUnion([bool, int]).as_python_type(),
Union[bool, int])
self.assertEqual(DUnion([bool, DTuple([int, bool])]).as_python_type(),
Union[bool, Tuple[int, bool]])
def test_DTuple_object(self):
t = DTuple((int, bool, DChar()))
self.check((5, True, 'c'), t)
def test_DTuple_type(self):
tuple_type = DTuple((int, bool, DChar())).as_numpy_type()
self.assertEqual(tuple_type[0], np.int32)
self.assertEqual(tuple_type[1], np.bool_)
self.assertEqual(tuple_type[2], np.uint8)
def test_DChar_object(self):
self.check('a', DChar())
def test_DChar_type(self):
self.assertEqual(DChar().as_numpy_type(), np.uint8)