feat(StreamLabs): Log API errors

src/services/StreamLabs.js

@@ -7,12 +7,20 @@ class StreamLabs {
 		this.logger = logger;
 	}
 
-	alert({ message }) {
-		return axios.post(`${this.base}/alerts`, {
-			access_token: this.token,
-			message,
-			type: 'follow',
-		});
+	async alert({ message }) {
+		try {
+			await axios.post(`${this.base}/alerts`, {
+				access_token: this.token,
+				message,
+				type: 'follow',
+			});
+		} catch (error) {
+			if (this.logger) {
+				this.logger.log('error', 'StreamLabs API error', error);
+			}
+
+			throw error;
+		}
 	}
 }
 

test/services/StreamLabs.spec.js

@@ -46,6 +46,34 @@ describe('StreamLabs', () => {
 			);
 		});
 
+		it('logs the response body for failed HTTP 401 requests', async () => {
+			axiosSpy.mockClear(); // remove previous mock
+			const mockAxiosErrorResponse = {
+				response: { body: 'Reason for error response', status: 401 },
+			};
+			axiosSpy.mockImplementationOnce(
+				jest.fn().mockRejectedValue(mockAxiosErrorResponse),
+			);
+
+			await axios.post(); // should reject with the mocked response
+
+			const spyLogger = { log: jest.fn() };
+			const config = {
+				token: 'fake-token',
+			};
+
+			const subject = new StreamLabs(config, spyLogger);
+
+			await expect(subject.alert({ message: 'hello' })).rejects.toEqual(
+				expect.any(Object),
+			);
+			expect(spyLogger.log).toHaveBeenLastCalledWith(
+				'error',
+				'StreamLabs API error',
+				mockAxiosErrorResponse,
+			);
+		});
+
 		it("uses the text given as an argument as message to 'StreamLabs'", async () => {
 			const subject = new StreamLabs({});