|
| 1 | +import json |
| 2 | +import pytest |
| 3 | + |
| 4 | +from lib.models.rocket import Rocket |
| 5 | +from lib.models.motor import Motor, MotorTank, TankFluids, TankKinds |
| 6 | +from lib.models.environment import Env |
| 7 | + |
| 8 | + |
| 9 | +@pytest.fixture |
| 10 | +def stub_env(): |
| 11 | + env = Env(latitude=0, longitude=0) |
| 12 | + env_json = env.model_dump_json() |
| 13 | + return json.loads(env_json) |
| 14 | + |
| 15 | + |
| 16 | +@pytest.fixture |
| 17 | +def stub_motor(): |
| 18 | + motor = Motor( |
| 19 | + thrust_source=[[0, 0]], |
| 20 | + burn_time=0, |
| 21 | + nozzle_radius=0, |
| 22 | + dry_mass=0, |
| 23 | + dry_inertia=[0, 0, 0], |
| 24 | + center_of_dry_mass_position=0, |
| 25 | + ) |
| 26 | + motor_json = motor.model_dump_json() |
| 27 | + return json.loads(motor_json) |
| 28 | + |
| 29 | + |
| 30 | +@pytest.fixture |
| 31 | +def stub_tank(): |
| 32 | + tank = MotorTank( |
| 33 | + geometry=[[(0, 0), 0]], |
| 34 | + gas=TankFluids(name='gas', density=0), |
| 35 | + liquid=TankFluids(name='liquid', density=0), |
| 36 | + flux_time=(0, 0), |
| 37 | + position=0, |
| 38 | + discretize=0, |
| 39 | + name='tank', |
| 40 | + ) |
| 41 | + tank_json = tank.model_dump_json() |
| 42 | + return json.loads(tank_json) |
| 43 | + |
| 44 | + |
| 45 | +@pytest.fixture |
| 46 | +def stub_level_tank(stub_tank): |
| 47 | + stub_tank.update({'tank_kind': TankKinds.LEVEL, 'liquid_height': 0}) |
| 48 | + return stub_tank |
| 49 | + |
| 50 | + |
| 51 | +@pytest.fixture |
| 52 | +def stub_mass_flow_tank(stub_tank): |
| 53 | + stub_tank.update( |
| 54 | + { |
| 55 | + 'tank_kind': TankKinds.MASS_FLOW, |
| 56 | + 'gas_mass_flow_rate_in': 0, |
| 57 | + 'gas_mass_flow_rate_out': 0, |
| 58 | + 'liquid_mass_flow_rate_in': 0, |
| 59 | + 'liquid_mass_flow_rate_out': 0, |
| 60 | + 'initial_liquid_mass': 0, |
| 61 | + 'initial_gas_mass': 0, |
| 62 | + } |
| 63 | + ) |
| 64 | + return stub_tank |
| 65 | + |
| 66 | + |
| 67 | +@pytest.fixture |
| 68 | +def stub_ullage_tank(stub_tank): |
| 69 | + stub_tank.update({'tank_kind': TankKinds.ULLAGE, 'ullage': 0}) |
| 70 | + return stub_tank |
| 71 | + |
| 72 | + |
| 73 | +@pytest.fixture |
| 74 | +def stub_mass_tank(stub_tank): |
| 75 | + stub_tank.update( |
| 76 | + {'tank_kind': TankKinds.MASS, 'liquid_mass': 0, 'gas_mass': 0} |
| 77 | + ) |
| 78 | + return stub_tank |
| 79 | + |
| 80 | + |
| 81 | +@pytest.fixture |
| 82 | +def stub_rocket(stub_motor): |
| 83 | + rocket = Rocket( |
| 84 | + motor=stub_motor, |
| 85 | + radius=0, |
| 86 | + mass=0, |
| 87 | + motor_position=0, |
| 88 | + center_of_mass_without_motor=0, |
| 89 | + inertia=[0, 0, 0], |
| 90 | + power_off_drag=[(0, 0)], |
| 91 | + power_on_drag=[(0, 0)], |
| 92 | + coordinate_system_orientation='TAIL_TO_NOSE', |
| 93 | + ) |
| 94 | + rocket_json = rocket.model_dump_json() |
| 95 | + return json.loads(rocket_json) |
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