MagicMirror/tests/unit/modules/default/utils_spec.js

global.moment = require("moment-timezone");
const { performWebRequest, formatTime } = require("../../../../modules/default/utils");

describe("Default modules utils tests", () => {
	describe("performWebRequest", () => {
		const locationHost = "localhost:8080";
		const locationProtocol = "http";

		let fetchResponse;
		let fetchMock;
		let urlToCall;

		beforeEach(() => {
			fetchResponse = new Response();
			global.fetch = jest.fn(() => Promise.resolve(fetchResponse));
			fetchMock = global.fetch;
		});

		describe("When using cors proxy", () => {
			Object.defineProperty(global, "location", {
				value: {
					host: locationHost,
					protocol: locationProtocol
				}
			});

			it("Calls correct URL once", async () => {
				urlToCall = "http://www.test.com/path?param1=value1";

				await performWebRequest(urlToCall, "json", true);

				expect(fetchMock.mock.calls).toHaveLength(1);
				expect(fetchMock.mock.calls[0][0]).toBe(`${locationProtocol}//${locationHost}/cors?url=${urlToCall}`);
			});

			it("Sends correct headers", async () => {
				urlToCall = "http://www.test.com/path?param1=value1";

				const headers = [
					{ name: "header1", value: "value1" },
					{ name: "header2", value: "value2" }
				];

				await performWebRequest(urlToCall, "json", true, headers);

				expect(fetchMock.mock.calls).toHaveLength(1);
				expect(fetchMock.mock.calls[0][0]).toBe(`${locationProtocol}//${locationHost}/cors?sendheaders=header1:value1,header2:value2&url=${urlToCall}`);
			});
		});

		describe("When not using cors proxy", () => {
			it("Calls correct URL once", async () => {
				urlToCall = "http://www.test.com/path?param1=value1";

				await performWebRequest(urlToCall);

				expect(fetchMock.mock.calls).toHaveLength(1);
				expect(fetchMock.mock.calls[0][0]).toBe(urlToCall);
			});

			it("Sends correct headers", async () => {
				urlToCall = "http://www.test.com/path?param1=value1";
				const headers = [
					{ name: "header1", value: "value1" },
					{ name: "header2", value: "value2" }
				];

				await performWebRequest(urlToCall, "json", false, headers);

				const expectedHeaders = { headers: { header1: "value1", header2: "value2" } };
				expect(fetchMock.mock.calls).toHaveLength(1);
				expect(fetchMock.mock.calls[0][1]).toStrictEqual(expectedHeaders);
			});
		});

		describe("When receiving json format", () => {
			it("Returns undefined when no data is received", async () => {
				urlToCall = "www.test.com";

				const response = await performWebRequest(urlToCall);

				expect(response).toBeUndefined();
			});

			it("Returns object when data is received", async () => {
				urlToCall = "www.test.com";
				fetchResponse = new Response("{\"body\": \"some content\"}");

				const response = await performWebRequest(urlToCall);

				expect(response.body).toBe("some content");
			});

			it("Returns expected headers when data is received", async () => {
				urlToCall = "www.test.com";
				fetchResponse = new Response("{\"body\": \"some content\"}", { headers: { header1: "value1", header2: "value2" } });

				const response = await performWebRequest(urlToCall, "json", false, undefined, ["header1"]);

				expect(response.headers).toHaveLength(1);
				expect(response.headers[0].name).toBe("header1");
				expect(response.headers[0].value).toBe("value1");
			});
		});
	});

	describe("formatTime", () => {
		const time = new Date();

		beforeEach(async () => {
			time.setHours(13, 13);
		});

		it("should convert correctly according to the config", () => {
			expect(
				formatTime(
					{
						timeFormat: 24
					},
					time
				)
			).toBe("13:13");
			expect(
				formatTime(
					{
						showPeriod: true,
						showPeriodUpper: true,
						timeFormat: 12
					},
					time
				)
			).toBe("1:13 PM");
			expect(
				formatTime(
					{
						showPeriod: true,
						showPeriodUpper: false,
						timeFormat: 12
					},
					time
				)
			).toBe("1:13 pm");
			expect(
				formatTime(
					{
						showPeriod: false,
						timeFormat: 12
					},
					time
				)
			).toBe("1:13");
		});
	});
});