class_name TestUtils
extends RefCounted

static var _test_name: String = ""
static var _passed: int = 0
static var _failed: int = 0

static func set_test_name(name: String) -> void:
    _test_name = name
    _passed = 0
    _failed = 0

static func assert_equals(expected: Variant, actual: Variant, message: String) -> void:
    if expected == actual:
        print("[PASS] %s: %s" % [_test_name, message])
        _passed += 1
    else:
        print("[FAIL] %s: %s (expected %s, got %s)" % [
            _test_name, message, str(expected), str(actual)
        ])
        _failed += 1

static func assert_true(condition: bool, message: String) -> void:
    if condition:
        print("[PASS] %s: %s" % [_test_name, message])
        _passed += 1
    else:
        print("[FAIL] %s: %s" % [_test_name, message])
        _failed += 1

static func assert_false(condition: bool, message: String) -> void:
    if not condition:
        print("[PASS] %s: %s" % [_test_name, message])
        _passed += 1
    else:
        print("[FAIL] %s: %s (expected false, got true)" % [_test_name, message])
        _failed += 1

static func assert_greater_than(a: float, b: float, message: String) -> void:
    if a > b:
        print("[PASS] %s: %s" % [_test_name, message])
        _passed += 1
    else:
        print("[FAIL] %s: %s (expected %s > %s)" % [_test_name, message, str(a), str(b)])
        _failed += 1

static func assert_greater_or_equal(a: float, b: float, message: String) -> void:
    if a >= b:
        print("[PASS] %s: %s" % [_test_name, message])
        _passed += 1
    else:
        print("[FAIL] %s: %s (expected %s >= %s)" % [_test_name, message, str(a), str(b)])
        _failed += 1

static func assert_not_null(value: Variant, message: String) -> void:
    if value != null:
        print("[PASS] %s: %s" % [_test_name, message])
        _passed += 1
    else:
        print("[FAIL] %s: %s" % [_test_name, message])
        _failed += 1

static func get_passed() -> int:
    return _passed

static func get_failed() -> int:
    return _failed

static func print_result() -> void:
    print("[SUMMARY] %s: %d passed, %d failed" % [_test_name, _passed, _failed])
    if _failed == 0:
        print("[RESULT] PASS")
    else:
        print("[RESULT] FAIL")