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lib/getLiveKitURL.test.ts

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+import { describe, it, expect } from 'vitest';
+import { getLiveKitURL } from './getLiveKitURL';
+
+describe('getLiveKitURL', () => {
+  it('returns the original URL if no region is provided', () => {
+    const url = 'https://myproject.livekit.cloud';
+    expect(getLiveKitURL(url, null)).toBe(url + '/');
+  });
+
+  it('inserts the region into livekit.cloud URLs', () => {
+    const url = 'https://myproject.livekit.cloud';
+    const region = 'eu';
+    expect(getLiveKitURL(url, region)).toBe('https://myproject.eu.production.livekit.cloud/');
+  });
+
+  it('inserts the region into livekit.cloud URLs and preserves the staging environment', () => {
+    const url = 'https://myproject.staging.livekit.cloud';
+    const region = 'eu';
+    expect(getLiveKitURL(url, region)).toBe('https://myproject.eu.staging.livekit.cloud/');
+  });
+
+  it('returns the original URL for non-livekit.cloud hosts, even with region', () => {
+    const url = 'https://example.com';
+    const region = 'us';
+    expect(getLiveKitURL(url, region)).toBe(url + '/');
+  });
+
+  it('handles URLs with paths and query params', () => {
+    const url = 'https://myproject.livekit.cloud/room?foo=bar';
+    const region = 'ap';
+    expect(getLiveKitURL(url, region)).toBe(
+      'https://myproject.ap.production.livekit.cloud/room?foo=bar',
+    );
+  });
+});