mirror of
https://github.com/deunix-educ/aventuriers-des-mots.git
synced 2026-10-13 02:11:58 +02:00
Denis Defolie
56 lines
2.0 KiB
GDScript
56 lines
2.0 KiB
GDScript
extends GutTest
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## Tests de ExercisePicker.
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var rng := RandomNumberGenerator.new()
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func before_each() -> void:
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rng.seed = 42
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func test_empty_candidates_returns_null() -> void:
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var candidates: Array[Dictionary] = []
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assert_null(ExercisePicker.pick(candidates, "", rng))
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func test_picks_among_candidates() -> void:
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var candidates: Array[Dictionary] = [{"id": "a"}, {"id": "b"}, {"id": "c"}]
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var picked: Dictionary = ExercisePicker.pick(candidates, "", rng)
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var ids: Array = candidates.map(func(c: Dictionary) -> String: return c["id"])
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assert_true(ids.has(picked["id"]))
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func test_never_returns_the_excluded_id_when_alternatives_exist() -> void:
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var candidates: Array[Dictionary] = [{"id": "a"}, {"id": "b"}]
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for _i in 20:
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var picked: Dictionary = ExercisePicker.pick(candidates, "a", rng)
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assert_eq(picked["id"], "b")
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func test_returns_the_only_candidate_even_if_excluded() -> void:
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var candidates: Array[Dictionary] = [{"id": "a"}]
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var picked: Dictionary = ExercisePicker.pick(candidates, "a", rng)
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assert_eq(picked["id"], "a")
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func test_pick_unseen_never_repeats_while_others_remain() -> void:
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var rng := RandomNumberGenerator.new()
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rng.seed = 3
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var candidates: Array[Dictionary] = [{"id": "a"}, {"id": "b"}, {"id": "c"}]
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var seen: Array[String] = []
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for _i in range(3):
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var picked: Dictionary = ExercisePicker.pick_unseen(candidates, candidates, seen, rng)
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assert_false(seen.has(picked["id"]), "un exercice deja vu a ete redonne")
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seen.append(picked["id"])
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assert_eq(seen.size(), 3)
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func test_pick_unseen_falls_back_to_other_difficulty_then_to_repeat() -> void:
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var rng := RandomNumberGenerator.new()
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var preferred: Array[Dictionary] = [{"id": "a"}]
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var all: Array[Dictionary] = [{"id": "a"}, {"id": "b"}]
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var picked: Dictionary = ExercisePicker.pick_unseen(preferred, all, ["a"], rng)
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assert_eq(picked["id"], "b")
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var again: Dictionary = ExercisePicker.pick_unseen(preferred, all, ["a", "b"], rng)
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assert_true(["a", "b"].has(again["id"]))
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