mirror of
https://github.com/Cesarus85/ringfall-mjolnir-vr.git
synced 2026-10-27 12:00:34 +01:00
Addison Bair
8ebca844a0
The engine's real functions, taken from the sources and compiled against a fake world, so a fix can carry a test CI runs without game assets. A test is tests/<name>.c (fake world and cases, CHECK) and tests/test_<name>.py (takes the code, enums and constants from the sources, builds, runs each case under pytest). Each test has negative controls: the code with a deliberate fault must fail a named CHECK. CI runs pytest on tools/harness, so new tests need no workflow change. - test_object_bounds_cache: collision's loop over a crowded fake world gathers the same features with the cache, as objects move and after invalidation; a stale cache is detected. - test_widget_pool: widgets.c's pool fills to its size and refuses (64 slots against 128 players' rifles, #145), frees and reuses, and frees a failed widget's slot.
62 lines
2.8 KiB
Python
62 lines
2.8 KiB
Python
"""Collision's real object loop over a fake crowded world gathers the same features with the object bounds cache.
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python tools/harness/tests/test_object_bounds_cache.py # the cases, then how fast the cache is
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"""
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import sys
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from pathlib import Path
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import pytest
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sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
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from harness import CHECK_FAILED, build, constant, enum_with, function, inline, mutated, read, run # noqa: E402
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CASES = ["identical", "moving", "detects-stale", "invalidated"]
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# a fault in the cache, and the case that must catch it
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NEGATIVE_CONTROLS = {
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"ignores-invalidation": (("bounds->epoch == object_bounds_epoch &&", ""), "invalidated"),
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"drops-the-query-radius": (("bounds->radius + radius", "bounds->radius"), "identical"),
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}
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# the game's enums the fake world and the code under test use: (header, a member of the enum)
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ENUMS = [("source/objects/object_types.h", "_object_type_biped"), ("source/objects/objects.h", "_object_invisible_bit"),
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("source/objects/objects.h", "_object_dead_bit"), ("source/units/bipeds.h", "_biped_airborne_bit"),
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("source/physics/collision_features.h", "_collision_feature_sphere"),
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("source/physics/collisions.h", "_collision_test_structure_bit")]
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def under_test(fault=None):
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enums = "\n".join(enum_with(read(header), member) for header, member in ENUMS)
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enums += f"\n#define MAXIMUM_OBJECTS_PER_MAP {constant(read('source/objects/objects.h'), 'MAXIMUM_OBJECTS_PER_MAP')}\n"
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real_math = read("source/math/real_math.h")
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text = "".join(inline(real_math, helper) + "\n"
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for helper in ("vector_from_points3d", "magnitude_squared3d", "distance_squared3d", "point_in_sphere"))
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cache = read("port/linux/game/object_bounds_cache.c")
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cache = cache[cache.rindex("#include"):].split("\n", 1)[1]
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text += (mutated(cache, *fault) if fault else cache) + "\n"
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collisions = read("source/physics/collisions.c")
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text += function(collisions, "object_get_features_in_sphere") + "\n"
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text += function(collisions, "collision_get_features_in_sphere") + "\n"
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return (("enums.inc", enums), ("under_test.inc", text))
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@pytest.mark.parametrize("case", CASES)
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def test_case(case):
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status, output = run(build("object_bounds_cache", under_test()), case)
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assert status == 0, output
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@pytest.mark.parametrize("control", NEGATIVE_CONTROLS)
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def test_negative_control(control):
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fault, case = NEGATIVE_CONTROLS[control]
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status, output = run(build("object_bounds_cache", under_test(fault)), case)
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assert status == CHECK_FAILED, f"the cache with a fault ({control}) passed '{case}': the test cannot see it"
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if __name__ == "__main__":
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status = pytest.main(["-q", __file__])
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print(run(build("object_bounds_cache", under_test()), "benchmark")[1])
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sys.exit(status)
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