first commit

packages/@n8n/nodes-langchain/nodes/Guardrails/test/checks/secretKeys.test.ts

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+import { type SecretKeysConfig, secretKeysCheck } from '../../actions/checks/secretKeys';
+
+describe('secretKeys guardrail', () => {
+	it('detects secrets', async () => {
+		const config: SecretKeysConfig = {
+			threshold: 'balanced',
+			customRegex: [],
+		};
+		const text =
+			'My API key is ADBCS-r-cEY7csbSwF123S8Nsdf3p2fknkSw12o\nMy ID is 7b9fcd0a-9188-4e36-8c65-bc915192b2375\n My email is john.doe@example.com';
+
+		const result = secretKeysCheck(text, config);
+
+		expect(result.tripwireTriggered).toBe(true);
+		expect(result.info?.maskEntities?.SECRET).toEqual([
+			'ADBCS-r-cEY7csbSwF123S8Nsdf3p2fknkSw12o',
+			'7b9fcd0a-9188-4e36-8c65-bc915192b2375',
+		]);
+	});
+});