9. Try, Catch, Finally & Custom Automation Errors

Error Handling in Test Automation

export class LocatorTimeoutError extends Error {
  constructor(locatorName: string, timeoutMs: number) {
    super(Element '${locatorName}' did not appear within ${timeoutMs}ms);
    this.name = "LocatorTimeoutError";
  }
}
async function safeClick(action: () => Promise<void>) {
  try {
    await action();
  } catch (error) {
    console.error("Action failed:", (error as Error).message);
    throw error; // Re-throw to fail the test properly
  } finally {
    console.log("Cleanup executed");
  }
}