blissfuljs/tests/objects/FetchSpec.js

Lightweight helper library for modern browsers.

describe("$.fetch", function() {
	var server;
	var data = "foo=b%20ar&baz=yolo";
	var headers = {foo: "bar", "Content-type": "yadda;charset=utf-8"};

	before(function() {
		server = sinon.fakeServer.create();
		server.respondWith("POST", "/json", function (request) {
			request.respond(200, request.requestHeaders, request.requestBody);
		});

		server.respondWith("GET", /\/json\??(.*)/, function (request, query) {
			request.respond(200, request.requestHeaders, query);
		});
	});

	after(function () {
		server.restore();
	});

	it("exists", function () {
		expect($.fetch).to.exist;
		expect(Bliss.fetch).to.exist;
	});

	describe("POST", function () {
		it("POSTs data (URLencoded string)", function () {
			return verifyResponseBody("POST", data, "foo=b ar&baz=yolo");
		});

		it("handles method type in any case", function () {
			return verifyResponseBody("post", data, "foo=b ar&baz=yolo");
		});

		it("sets provided headers", function () {
			return verifyResponseHeaders("POST", headers, headers);
		});

		it("sets Content-type header for POST if not provided", function () {
			return verifyResponseHeaders("POST", {}, {
				"Content-type": "application/x-www-form-urlencoded;charset=utf-8"
			});
		});

		it("catch 404", function (done) {
			handleJSON("/bad", "POST", "").catch(function () {
				done();
			});
		});
	});

	describe("GET", function () {
		it("GETs data (URLencoded string)", function () {
			return verifyResponseBody("GET", data, "foo=b ar&baz=yolo");
		});

		it("handles method type in any case", function () {
			return verifyResponseBody("get", data, "foo=b ar&baz=yolo");
		});

		it("sets provided headers", function () {
			return verifyResponseHeaders("GET", headers, headers);
		});

		it("catch 404", function (done) {
			handleJSON("/bad", "GET", "").catch(function () {
				done();
			});
		});
	});

	function handleJSON(url, method, data, headers) {
		var then = $.fetch(url, {
			method: method,
			data: data,
			headers: headers || {}
		});

		server.respond();

		return then;
	}

	function verifyResponseBody(method, data, expected) {
		var promise = handleJSON("/json", method, data);
		return promise.then(function (response) {
			expect(response.response).to.equal(encodeURI(expected));
		});
	}

	function verifyResponseHeaders(method, headers, expected) {
		var promise = handleJSON("/json", method, "", headers);
		return promise.then(function (response) {
			expect(response.responseHeaders).to.deep.equal(expected);
		});
	}
});