def test_tp_dict_methods():
"""Test the to/from dict methods."""
tp = TransformerProperties('Transformer--25KVA CT', 25)
tp_dict = tp.to_dict()
new_tp = TransformerProperties.from_dict(tp_dict)
assert new_tp == tp
assert tp_dict == new_tp.to_dict()
def test_tp_equality():
"""Test the equality of Wire objects."""
tp = TransformerProperties('Transformer--25KVA CT', 25)
tp_dup = tp.duplicate()
tp_alt = TransformerProperties('Transformer--50KVA CT', 50)
assert tp is tp
assert tp is not tp_dup
assert tp == tp_dup
tp_dup.kva = 100
assert tp != tp_dup
assert tp != tp_alt
def test_tp_electrical_database_dict_methods():
"""Test the to/from electrical_database_dict methods."""
tp = transformer_prop_by_identifier(TRANSFORMER_PROPERTIES[0])
tp_dict = tp.to_electrical_database_dict()
new_tp = TransformerProperties.from_electrical_database_dict(tp_dict)
assert new_tp == tp
assert tp_dict == new_tp.to_electrical_database_dict()
def test_transformer_dict_methods():
"""Test the Transformer to/from dict methods."""
pts = (Point2D(0, 0), Point2D(2, 0), Point2D(2, 2), Point2D(0, 2))
polygon = Polygon2D(pts)
tp = TransformerProperties('Transformer--25KVA CT', 25)
transformer = Transformer('Transformer_1', polygon, tp)
transformer_dict = transformer.to_dict()
new_transformer = Transformer.from_dict(transformer_dict)
assert transformer_dict == new_transformer.to_dict()
def test_transformer_init():
"""Test the initialization of Transformer and basic properties."""
pts = (Point2D(0, 0), Point2D(2, 0), Point2D(2, 2), Point2D(0, 2))
polygon = Polygon2D(pts)
tp = TransformerProperties('Transformer--25KVA CT', 25)
transformer = Transformer('Transformer_1', polygon, tp)
str(transformer) # test the string representation
assert transformer.identifier == 'Transformer_1'
assert transformer.geometry == polygon
assert transformer.properties == tp
def test_tp_init():
"""Test the initialization of TransformerProperties and basic properties."""
tp = TransformerProperties('Transformer--25KVA CT', 25)
str(tp) # test the string representation
assert tp.identifier == 'Transformer--25KVA CT'
assert tp.kva == 25
assert tp.resistance == 0.1
assert tp.reactance == 0.1
assert tp.phases == ('A', 'B', 'C')
assert tp.high_voltage == 13.2
assert tp.low_voltage == 0.48
assert not tp.is_center_tap
assert tp.connection == 'Wye-Wye'
def test_transformer_transform():
"""Test the Transformer transform methods."""
pts = (Point2D(0, 0), Point2D(2, 0), Point2D(2, 2), Point2D(0, 2))
polygon = Polygon2D(pts)
tp = TransformerProperties('Transformer--25KVA CT', 25)
transformer = Transformer('Transformer_1', polygon, tp)
new_transformer = transformer.duplicate()
new_transformer.move(Vector3D(100, 0))
assert new_transformer.geometry[0] == Point2D(100, 0)
new_transformer = transformer.duplicate()
new_transformer.rotate_xy(90, Point3D())
assert new_transformer.geometry[1].y == pytest.approx(2, rel=1e-3)
new_transformer = transformer.duplicate()
new_transformer.reflect(Plane(n=Vector3D(1, 0)))
assert new_transformer.geometry[1].x == pytest.approx(-2, rel=1e-3)
new_transformer = transformer.duplicate()
new_transformer.scale(0.5)
assert new_transformer.geometry[1].x == pytest.approx(1, rel=1e-3)
def test_tp_setability():
"""Test the setting of properties of TransformerProperties."""
tp = TransformerProperties('Transformer--25KVA CT', 25)
tp.identifier = 'Transformer--50KVA PM'
assert tp.identifier == 'Transformer--50KVA PM'
tp.kva = 50
assert tp.kva == 50
tp.resistance = 0.15
assert tp.resistance == 0.15
tp.reactance = 0.15
assert tp.reactance == 0.15
tp.phases = ('A',)
assert tp.phases == ('A',)
tp.high_voltage = 20
assert tp.high_voltage == 20
tp.low_voltage = 0.5
assert tp.low_voltage == 0.5
tp.is_center_tap = True
assert tp.is_center_tap
tp.connection = 'Delta-Delta'
assert tp.connection == 'Delta-Delta'