class InternalBallisticsTest(unittest.TestCase):
def setUp(self):
"""Set up the test data"""
self.propellant = SimplePropellant("68/10", 0.0341, 0.2249, 4706,
0.058, 1.226)
# using a list comprehension to create four unique grain objects
self.grains = [
CylindricalCoreGrain(diameter=2,
length=4,
core_diameter=1,
burning_faces=2,
propellant=self.propellant)
for _ in range(0, 4)
]
self.nozzle = ConicalNozzle(throat=0.5,
exit=2,
half_angle=15,
throat_len=0.25)
self.motor = OpenBurnMotor()
self.motor.set_grains(self.grains)
self.motor.set_nozzle(self.nozzle)
def test_json_in(self):
out = self.motor.to_json()
uuid_out = self.motor.uuid
in_ = self.motor.from_json(out)
uuid_in = in_.uuid
self.assertIsInstance(in_, OpenBurnMotor)
self.assertNotEqual(uuid_out, uuid_in)
class InternalBallisticsTest(unittest.TestCase):
def setUp(self):
"""Set up the test data"""
self.propellant = SimplePropellant("68/10", 0.0341, 0.2249, 4706, 0.058, 1.226)
# using a list comprehension to create four unique grain objects
self.grains = [CylindricalCoreGrain(diameter=2, length=4, core_diameter=1, burning_faces=2,
propellant=self.propellant)
for _ in range(0, 4)]
self.nozzle = ConicalNozzle(throat=0.5, exit=2, half_angle=15, throat_len=0.25)
self.motor = OpenBurnMotor()
self.motor.set_grains(self.grains)
self.motor.set_nozzle(self.nozzle)
def test_json_in(self):
out = self.motor.to_json()
uuid_out = self.motor.uuid
in_ = self.motor.from_json(out)
uuid_in = in_.uuid
self.assertIsInstance(in_, OpenBurnMotor)
self.assertNotEqual(uuid_out, uuid_in)
def load_design(self, filename: str):
with open(filename, 'r') as f:
data = f.read()
self.motor = OpenBurnMotor.from_json(data)