37 lines
1.1 KiB
GDScript
37 lines
1.1 KiB
GDScript
extends "res://addons/gut/test.gd"
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const Luck = preload("res://scripts/state/luck.gd")
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func _rng(s: int) -> RandomNumberGenerator:
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var r := RandomNumberGenerator.new()
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r.seed = s
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return r
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func test_roll_base_is_deterministic_for_a_seed():
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assert_eq(Luck.roll_base(_rng(42), 0), Luck.roll_base(_rng(42), 0))
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func test_roll_base_stays_in_range():
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for s in range(1, 30):
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var v := Luck.roll_base(_rng(s), 0)
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assert_true(v >= Luck.MIN and v <= Luck.MAX, "luck %d out of range" % v)
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func test_modifier_shifts_result():
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# +100 modifier clamps to MAX regardless of rolls.
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assert_eq(Luck.roll_base(_rng(5), 100), Luck.MAX)
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func test_drift_stays_within_base_band_and_range():
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assert_eq(Luck.drift(10, 10, 100), 13) # capped at base+3
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assert_eq(Luck.drift(10, 10, -100), 7) # capped at base-3
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assert_eq(Luck.drift(20, 19, 100), 20) # base+3=22 -> clamped to MAX
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func test_descriptor_bands():
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assert_eq(Luck.descriptor(4), "Fortune spits on you")
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assert_eq(Luck.descriptor(5), "The world is not on your side")
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assert_eq(Luck.descriptor(20), "The dice are kind today")
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