feat(Perplexity Node): New node (#13604)

packages/nodes-base/nodes/Perplexity/test/credentials/PerplexityApi.test.ts

@@ -0,0 +1,52 @@
+import type { ICredentialDataDecryptedObject, IHttpRequestOptions } from 'n8n-workflow';
+
+import { PerplexityApi } from '../../../../credentials/PerplexityApi.credentials';
+
+describe('Perplexity API Credentials', () => {
+	describe('authenticate', () => {
+		const perplexityApi = new PerplexityApi();
+
+		it('should generate a valid authorization header', async () => {
+			const credentials: ICredentialDataDecryptedObject = {
+				apiKey: 'test-api-key',
+				baseUrl: 'https://api.perplexity.ai',
+			};
+
+			const requestOptions: IHttpRequestOptions = {
+				url: 'https://api.perplexity.ai/chat/completions',
+				method: 'POST',
+				body: {
+					model: 'r1-1776',
+					messages: [{ role: 'user', content: 'test' }],
+				},
+				headers: {
+					'Content-Type': 'application/json',
+				},
+				json: true,
+			};
+
+			const authProperty = perplexityApi.authenticate;
+
+			const result = {
+				...requestOptions,
+				headers: {
+					...requestOptions.headers,
+					Authorization: `Bearer ${credentials.apiKey}`,
+				},
+			};
+
+			expect(result.headers?.Authorization).toBe('Bearer test-api-key');
+
+			expect(authProperty.type).toBe('generic');
+		});
+	});
+
+	describe('test', () => {
+		const perplexityApi = new PerplexityApi();
+
+		it('should have a valid test property', () => {
+			expect(perplexityApi.test).toBeDefined();
+			expect(perplexityApi.test.request).toBeDefined();
+		});
+	});
+});