ED_LRR/tests/test_ed_lrr.py

78 lines
2.8 KiB
Python

# -*- coding: utf-8 -*-
import random
import pytest
import os
from flaky import flaky
if not hasattr(random, "choices"):
def choices(population, *, k=1):
return [random.choice(population) for _ in range(k)]
random.choices = choices
@pytest.fixture(scope="module")
def py_router(stars_path):
from ed_lrr_gui import PyRouter
stars_path, names = stars_path
router = PyRouter(lambda status: None)
router.load(stars_path)
resolved_systems = router.resolve_systems(*names)
for name in names:
err = "Failed to resolve {}".format(name)
assert name in resolved_systems, err
yield router, resolved_systems
class Test_ED_LRR(object): # noqa: H601
@pytest.mark.dependency()
@flaky(max_runs=10, min_passes=5)
def test_load_and_resolve(self, stars_path):
stars_path, names = stars_path
from ed_lrr_gui import PyRouter
router = PyRouter(lambda status: None)
router.load(stars_path)
resolved_systems = router.resolve_systems(*names)
for name in names:
err = "Failed to resolve {}".format(name)
assert name in resolved_systems, err
@pytest.mark.dependency(depends=["Test_ED_LRR::test_load_and_resolve"])
@flaky(max_runs=10, min_passes=5)
def test_zero_range_fails(self, py_router):
r, resolved_systems = py_router
waypoints = random.choices(list(resolved_systems.values()), k=2)
err = pytest.raises(RuntimeError, r.route, waypoints, 0)
err.match(r"No route from .* to .* found!")
beam_widths = [256, 512, 1024, 0]
greedyness = [0, 0.5, 1]
n_workers = [0, os.cpu_count()]
ranges = [30, 50]
@pytest.mark.dependency(depends=["Test_ED_LRR::test_load_and_resolve"])
@flaky(max_runs=10, min_passes=2)
@pytest.mark.parametrize("workers", n_workers,
ids=lambda v: "workers:{}".format(v))
@pytest.mark.parametrize("jump_range", ranges,
ids=lambda v: "range:{}".format(v))
@pytest.mark.parametrize(
"greedyness", greedyness, ids=lambda v: "greedyness:{}".format(v)
)
@pytest.mark.parametrize(
"beam_width", beam_widths, ids=lambda v: "beam_width:{}".format(v)
)
def test_route(self, py_router, jump_range,
workers, greedyness, beam_width):
r, resolved_systems = py_router
waypoints = random.choices(list(resolved_systems.values()), k=2)
args = waypoints, jump_range, greedyness, beam_width, workers
err = "Failed to route for waypoints: {}".format(waypoints)
route_len = r.route(*args)
assert route_len != 0, err
del r
# TODO: verify hop distance and inclusion of waypoints