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_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_DUnion(self):
"""DUnion specific types."""
with self.assertRaises(DeltaTypeError):
DUnion([])
with self.assertRaises(DeltaTypeError):
DUnion([None])
with self.assertRaises(DeltaTypeError):
DUnion([None, 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_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_compound_objects(self):
t = DArray(DTuple([bool, int]), DSize(3))
val = [(True, 1), (False, 2), (True, 3), (False, 4), (True, 5)]
self.check(val, t)
t = DTuple([int, DTuple([bool, int])])
val = (12, (True, 8))
self.check(val, t)
t = DTuple([int, DArray(int, DSize(2))])
val = (12, [14, 18])
self.check(val, t)
t = DTuple([int, DStr()])
val = (12, "hello")
self.check(val, t)
t = DTuple([int, DRecord(RecBI)])
val = (12, RecBI(True, 8))
self.check(val, t)
t = DTuple([int, DUnion([bool, int])])
val = (12, True)
np_val = t.as_numpy_object(val)
self.assertEqual(DInt().from_numpy_object(np_val[0][0]), 12)
self.assertEqual(DBool().from_numpy_object(np_val[0][1][1]), True)
t = DRecord(RecATI)
val = RecATI([1, 2], (3.0, 4), 5)
self.check(val, t)
t = DUnion([DArray(int, DSize(2)), int])
val = [1, 2]
np_val = t.as_numpy_object(val)
new_val = DArray(int, DSize(2)).from_numpy_object(np_val[0][1])
self.assertEqual(val, new_val)
t = DUnion([str, int])
val = "abcde"
np_val = t.as_numpy_object(val)
new_val = DStr().from_numpy_object(np_val[0][1])
self.assertEqual(val, new_val)
def test_DUnion(self):
# primitive
self.check(5, DUnion([int, bool]))
self.check(True, DUnion([int, bool]))
# compound
self.check(5, DUnion([int, DTuple([int, float])]))
self.check((4, 5), DUnion([int, DTuple([int, int])]))
self.check((4, 5),
DUnion([DArray(int, DSize(2)), DTuple([int, int])]))
self.check([4, 5],
DUnion([DArray(int, DSize(2)), DTuple([int, int])]))
self.assertTrue(DeltaGraph.check_wire(DRaw(DUnion([DStr(), int])),
DRaw(DUnion([DStr(), int]))))
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_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_Top(self):
"""Everything can be accepted as Top()."""
self.assertTrue(DeltaGraph.check_wire(DInt(), Top()))
self.assertTrue(DeltaGraph.check_wire(DUInt(), Top()))
self.assertTrue(DeltaGraph.check_wire(DBool(), Top()))
self.assertTrue(DeltaGraph.check_wire(DTuple([int, bool]), Top()))
self.assertTrue(DeltaGraph.check_wire(DUnion([int, bool]), Top()))
self.assertTrue(DeltaGraph.check_wire(DArray(int, DSize(8)), Top()))
self.assertTrue(DeltaGraph.check_wire(DStr(), Top()))
self.assertTrue(DeltaGraph.check_wire(DRecord(RecBI), Top()))
self.assertTrue(DeltaGraph.check_wire(Top(), Top()))
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(Top(), DInt())
# however it's not true if Top is used within a non-primitive type
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DTuple([int, int]), DTuple([int, Top()]))
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DArray(int, DSize(8)),
DArray(Top(), DSize(8)))
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DRecord(RecBI), DRecord(RecBT))
def test_DUnion(self):
"""Test wires with DUnion."""
# examples of obvious behaiviour
self.assertTrue(DeltaGraph.check_wire(DUnion([int, bool]),
DUnion([int, bool])))
self.assertTrue(DeltaGraph.check_wire(DUnion([int, bool]),
DUnion([bool, int])))
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DUnion([int, bool]), DInt())
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DUnion([int, bool, float]),
DUnion([int, bool]))
# strict typing even with DUnion, i.e. all subtypes should match
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DUnion([bool, int]),
DUnion([bool, int, float]))
# DUnion changes packing method, thus these tests should fail
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DInt(), DUnion([int]))
with self.assertRaises(DeltaTypeError):
DeltaGraph.check_wire(DUnion([int]), DInt())
def test_DUnion(self):
# primitive
self.check(5, DUnion([int, bool]), DUnion([int, bool]))
self.check(True, DUnion([int, bool]), DUnion([bool, int]))
# compound
self.check(5, DUnion([int, DTuple([int, float])]))
self.check((4, 5), DUnion([int, DTuple([int, int])]))
self.check((4, 5),
DUnion([DArray(int, DSize(2)), DTuple([int, int])]))
self.check([4, 5],
DUnion([DArray(int, DSize(2)), DTuple([int, int])]))
# buffer's size is always the same
self.assertEqual(len(DUnion([int, bool]).pack(5)),
DUnion([int, bool]).size.val)
self.assertEqual(len(DUnion([int, bool]).pack(True)),
DUnion([int, bool]).size.val)
# numpy (throws error)
with self.assertRaises(
DeltaTypeError,
msg="NumPy unions cannot be converted to Python types."):
self.check_numpy(5, DUnion([bool, float, int]))
def test_types_comparison(self):
"""Various tests of types comparison."""
# primitive
self.assertEqual(DInt(DSize(32)), DInt())
self.assertNotEqual(DInt(), DUInt())
self.assertNotEqual(DInt(), DInt(DSize(64)))
# compound
self.assertEqual(DTuple([int, bool]), DTuple([int, bool]))
self.assertNotEqual(DTuple([int, bool]), DTuple([bool, int]))
self.assertEqual(DArray(int, DSize(4)), DArray(int, DSize(4)))
self.assertEqual(DArray(int, DSize(4)), DArray(DInt(), DSize(4)))
self.assertNotEqual(DArray(int, DSize(4)), DArray(int, DSize(5)))
self.assertNotEqual(DStr(), DStr(DSize(100)))
self.assertEqual(DRecord(RecBI), DRecord(RecBI))
# compound: DUnion
self.assertEqual(DUnion([int, bool]), DUnion([bool, int]))
self.assertEqual(DUnion([int, DUnion([int, bool])]),
DUnion([int, bool]))
self.assertEqual(DUnion([int, DUnion([int, DUnion([int, bool])])]),
DUnion([int, bool]))
self.assertEqual(DUnion([int, int]), DUnion([int]))
self.assertNotEqual(DUnion([DInt()]), DInt())
# special
self.assertEqual(ForkedReturn(dict(x=int, y=bool, z=str)),
ForkedReturn(dict(x=int, y=bool, z=str)))
def test_DUnion_of_single(self):
"""DUnion of a single type is not converted to a single type."""
port = InPort(NamespacedName("test_name", None), DUnion([DInt()]),
None, 0)
self.assertEqual(port.port_type, DUnion([DInt()]))
self.assertEqual(port.is_optional, False)
def test_DOptiona_of_DUnion(self):
port = InPort(NamespacedName("test_name", None),
DOptional(DUnion([DInt(), DFloat()])), None, 0)
self.assertEqual(port.port_type, DUnion([DInt(), DFloat()]))
self.assertEqual(port.is_optional, True)
def test_can_save_to_tempfile(self):
"""Test StateSaver can save to a file."""
st = [(k, k**2) for k in range(5)]
# Note the conversion to a list as the json format doesn't care
# for tuples.
st_expected = "\n".join(repr(list(x)) for x in st)
items = [
((int, int), (42, 100), "[42, 100]"),
((int, int), st, st_expected),
(str, "Hello", '"Hello"'),
(bool, True, "true"),
(float, 3.91, "3.91"),
(DTuple([int, int]), (1, 2), "[1, 2]"),
(DUnion([int, float]), 90, "90"),
(DUnion([int, float]), 90.0, "90.0"),
(complex, 1j, '{"real": 0.0, "imaginary": 1.0}'),
(SimpleRecord, SimpleRecord(x=1, y=True), '{"x": 1, "y": true}'),
(
ComplexRecord,
ComplexRecord(x=1 + 2j),
'{"x": {"real": 1.0, "imaginary": 2.0}}'
),
(
NestedRecord,
NestedRecord(x=3, y=SimpleRecord(x=1, y=True)),
'{"x": 3, "y": {"x": 1, "y": true}}'
),
(
ArrayRecord,
ArrayRecord(x=[ComplexRecord(x=-1+4j)]),
'{"x": [{"x": {"real": -1.0, "imaginary": 4.0}}]}'
)
]
for i, item in enumerate(items):
t, data, expected = item
with self.subTest(i=i):
with tempfile.NamedTemporaryFile(mode="w+") as f:
s = StateSaver(t, verbose=True, filename=f.name)
@DeltaBlock(allow_const=False)
def save_things_node() -> object:
# If it's a list, save them independently, otherwise
# it's just one thing.
if type(data) == list:
for d in data:
s.save(d)
else:
s.save(data)
raise DeltaRuntimeExit
with DeltaGraph() as graph:
save_things_node()
rt = DeltaPySimulator(graph)
rt.run()
f.seek(0)
contents = f.read()
self.assertEqual(contents, f"{expected}\n")