Files
aventuriers-des-mots/tests/data/test_exercise_picker.gd
T
2026-10-12 10:45:31 +02:00

56 lines
2.0 KiB
GDScript

extends GutTest
## Tests de ExercisePicker.
var rng := RandomNumberGenerator.new()
func before_each() -> void:
rng.seed = 42
func test_empty_candidates_returns_null() -> void:
var candidates: Array[Dictionary] = []
assert_null(ExercisePicker.pick(candidates, "", rng))
func test_picks_among_candidates() -> void:
var candidates: Array[Dictionary] = [{"id": "a"}, {"id": "b"}, {"id": "c"}]
var picked: Dictionary = ExercisePicker.pick(candidates, "", rng)
var ids: Array = candidates.map(func(c: Dictionary) -> String: return c["id"])
assert_true(ids.has(picked["id"]))
func test_never_returns_the_excluded_id_when_alternatives_exist() -> void:
var candidates: Array[Dictionary] = [{"id": "a"}, {"id": "b"}]
for _i in 20:
var picked: Dictionary = ExercisePicker.pick(candidates, "a", rng)
assert_eq(picked["id"], "b")
func test_returns_the_only_candidate_even_if_excluded() -> void:
var candidates: Array[Dictionary] = [{"id": "a"}]
var picked: Dictionary = ExercisePicker.pick(candidates, "a", rng)
assert_eq(picked["id"], "a")
func test_pick_unseen_never_repeats_while_others_remain() -> void:
var rng := RandomNumberGenerator.new()
rng.seed = 3
var candidates: Array[Dictionary] = [{"id": "a"}, {"id": "b"}, {"id": "c"}]
var seen: Array[String] = []
for _i in range(3):
var picked: Dictionary = ExercisePicker.pick_unseen(candidates, candidates, seen, rng)
assert_false(seen.has(picked["id"]), "un exercice deja vu a ete redonne")
seen.append(picked["id"])
assert_eq(seen.size(), 3)
func test_pick_unseen_falls_back_to_other_difficulty_then_to_repeat() -> void:
var rng := RandomNumberGenerator.new()
var preferred: Array[Dictionary] = [{"id": "a"}]
var all: Array[Dictionary] = [{"id": "a"}, {"id": "b"}]
var picked: Dictionary = ExercisePicker.pick_unseen(preferred, all, ["a"], rng)
assert_eq(picked["id"], "b")
var again: Dictionary = ExercisePicker.pick_unseen(preferred, all, ["a", "b"], rng)
assert_true(["a", "b"].has(again["id"]))