积分与余额账务系统硬切重构

tests/asset-ledger/OperationKeyTest.php

@@ -0,0 +1,28 @@
+<?php
+
+use AKSRT\Ledger\OperationKey;
+use PHPUnit\Framework\TestCase;
+
+final class OperationKeyTest extends TestCase {
+	public function test_request_key_requires_uuid_header(): void {
+		$error = OperationKey::from_request(new WP_REST_Request(), 'transfer', 9);
+		self::assertInstanceOf(WP_Error::class, $error);
+		self::assertSame('aksrt_idempotency_key', $error->get_error_code());
+		self::assertSame(400, $error->get_error_data()['status']);
+	}
+
+	public function test_request_key_is_scoped_to_actor_and_operation(): void {
+		$request = new WP_REST_Request(['Idempotency-Key' => '550E8400-E29B-41D4-A716-446655440000']);
+		self::assertSame(
+			'client-transfer:9:550e8400-e29b-41d4-a716-446655440000',
+			OperationKey::from_request($request, 'transfer', 9)
+		);
+	}
+
+	public function test_deterministic_key_is_stable_and_length_bounded(): void {
+		$key = OperationKey::deterministic('Revenue Settle', [42, str_repeat('A', 300)]);
+		self::assertSame($key, OperationKey::deterministic('Revenue Settle', [42, str_repeat('A', 300)]));
+		self::assertLessThanOrEqual(191, strlen($key));
+		self::assertMatchesRegularExpression('/^[a-z0-9:._-]+$/', $key);
+	}
+}