32 lines
873 B
Python
32 lines
873 B
Python
"""Tests for the pure collision rule."""
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from collision import is_colliding
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from constants import CAR_HEIGHT, CAR_LENGTH, PLAYER_HALF_SIZE
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REACH_X = CAR_LENGTH / 2 + PLAYER_HALF_SIZE
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REACH_Y = CAR_HEIGHT / 2 + PLAYER_HALF_SIZE
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def test_hit_when_player_overlaps_car() -> None:
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assert is_colliding(5, 3, 0, 0)
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def test_no_hit_when_beyond_car_half_length_horizontally() -> None:
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assert not is_colliding(REACH_X + 1, 0, 0, 0)
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def test_no_hit_when_a_lane_away_vertically() -> None:
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assert not is_colliding(0, CAR_HEIGHT * 2, 0, 0)
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def test_no_hit_when_exactly_at_horizontal_boundary() -> None:
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assert not is_colliding(REACH_X, 0, 0, 0)
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def test_no_hit_when_exactly_at_vertical_boundary() -> None:
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assert not is_colliding(0, REACH_Y, 0, 0)
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def test_hit_just_inside_the_boundary() -> None:
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assert is_colliding(REACH_X - 1, REACH_Y - 1, 0, 0)
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