init

tests/setup.ts

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+/**
+ * Test setup and utilities
+ */
+
+import { config } from 'dotenv';
+import { resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
+import { IyzicoClient } from '../src/client';
+
+// Get the directory of this file (for ESM compatibility)
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+// Load environment variables from .env file
+// Resolve path relative to project root (two levels up from tests/setup.ts)
+const envPath = resolve(__dirname, '..', '.env');
+config({ path: envPath });
+
+/**
+ * Creates an İyzico client for testing using environment variables
+ * @returns Configured IyzicoClient instance
+ */
+export function createTestClient(): IyzicoClient {
+  const apiKey = process.env.IYZICO_API_KEY;
+  const secretKey = process.env.IYZICO_API_SECRET;
+  const baseUrl = process.env.IYZICO_BASE_URL || 'https://sandbox-api.iyzipay.com';
+
+  if (!apiKey) {
+    throw new Error('IYZICO_API_KEY environment variable is required for tests');
+  }
+  if (!secretKey) {
+    throw new Error('IYZICO_API_SECRET environment variable is required for tests');
+  }
+
+  // Enable retry on rate limit for tests
+  const retryOnRateLimit = process.env.IYZICO_RETRY_ON_RATE_LIMIT !== 'false';
+  const maxRetries = Number.parseInt(process.env.IYZICO_MAX_RETRIES || '3', 10);
+  const retryDelay = Number.parseInt(process.env.IYZICO_RETRY_DELAY_MS || '10000', 10);
+
+  return new IyzicoClient({
+    apiKey,
+    secretKey,
+    baseUrl,
+    locale: 'tr',
+    retryOnRateLimit,
+    maxRetries,
+    retryDelay,
+  });
+}
+
+/**
+ * Asserts that a response has a success status
+ */
+export function assertSuccessResponse(response: { status: string }): void {
+  if (response.status !== 'success') {
+    throw new Error(`Expected success status, got: ${response.status}`);
+  }
+}
+
+/**
+ * Asserts that a response has a failure status
+ */
+export function assertFailureResponse(response: { status: string }): void {
+  if (response.status !== 'failure') {
+    throw new Error(`Expected failure status, got: ${response.status}`);
+  }
+}
+
+/**
+ * Delay utility to prevent rate limiting
+ * Adds a small delay between test requests
+ */
+export function delay(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+/**
+ * Default delay between API calls to avoid rate limiting
+ * Can be overridden via IYZICO_TEST_DELAY_MS environment variable
+ */
+export const DEFAULT_TEST_DELAY_MS = Number.parseInt(
+  process.env.IYZICO_TEST_DELAY_MS || '200',
+  10
+);
+