def test_arc_from_base_params(self):
for crt_data in self.arc_data:
for param_names in self.base_arc_params:
crt_params = dict([x for x in crt_data.items() if x[0] in param_names])
arc = Arc(verify=False, **crt_params)
# print "******************************"
# print "param_names: ", param_names
# print "crt_params: ", crt_params
# print "******************************"
# print arc
arc.verify()
# print arc
for name, expected_value in crt_data.items():
if hasattr(arc, name):
expected_value = Arc.wrap_param(name, expected_value)
actual_value = getattr(arc, name)
self.assertTrue(
np.allclose(expected_value, actual_value),
msg="Wrong value for {}, expected: {}, found: {}".format(
name, expected_value, actual_value
)
)
def test_central_angle(self):
angle_checks = (
("1, 1, 1", "-1, -1, -1", "0.5, 0.5, 0.5", 0),
("1, 1, 1", "1, 1, 1", "2,2,2", 2.0 * math.pi),
("1, 0.5, 0.5", "-1, 1, 1", "0, 1.5, 1.5", math.pi),
([1.0/math.sqrt(2), 0.5, 0.5], "0, 0, 0.5", "0, 0, 0", 4*math.pi/3),
("0, 0, 0", "0, 0, 0.5", [1.0/math.sqrt(2), 0.5, 0.5], 5*math.pi/3),
)
for x in angle_checks:
angle = Arc.central_angle(start_point=x[0], end_point=x[1], arc_point=x[2])
self.assertAlmostEqual(
x[3], angle, places=10,
msg="Check failed for: {}; result is: {}".format(x, angle)
)
def test_arc_param_calculation(self):
for crt_data in self.arc_data:
for param_names in self.base_arc_params:
crt_params = dict([x for x in crt_data.items() if x[0] in param_names])
for name in Arc.calc_function_map:
arc = Arc(verify=False, **crt_params)
actual_value = getattr(arc, name)
if name in crt_data:
expected_value = Arc.wrap_param(name, crt_data[name])
self.assertTrue(
np.allclose(expected_value, actual_value),
msg="Wrong value for {}, expected: {}, found: {}".format(
name, expected_value, actual_value
)
)