refactor: modernize HTTPRequest tests (#7604)

spec/HTTPRequest.spec.js

@@ -6,7 +6,7 @@ const httpRequest = require('../lib/cloud-code/httpRequest'),
   express = require('express');
 
 const port = 13371;
-const httpRequestServer = 'http://localhost:' + port;
+const httpRequestServer = `http://localhost:${port}`;
 
 function startServer(done) {
   const app = express();
@@ -51,167 +51,136 @@ describe('httpRequest', () => {
     server.close(done);
   });
 
-  it('should do /hello', done => {
-    httpRequest({
-      url: httpRequestServer + '/hello',
-    }).then(function (httpResponse) {
-      expect(httpResponse.status).toBe(200);
-      expect(httpResponse.buffer).toEqual(new Buffer('{"response":"OK"}'));
-      expect(httpResponse.text).toEqual('{"response":"OK"}');
-      expect(httpResponse.data.response).toEqual('OK');
-      done();
-    }, done.fail);
+  it('should do /hello', async () => {
+    const httpResponse = await httpRequest({
+      url: `${httpRequestServer}/hello`,
+    });
+
+    expect(httpResponse.status).toBe(200);
+    expect(httpResponse.buffer).toEqual(Buffer.from('{"response":"OK"}'));
+    expect(httpResponse.text).toEqual('{"response":"OK"}');
+    expect(httpResponse.data.response).toEqual('OK');
   });
 
-  it('should do not follow redirects by default', done => {
-    httpRequest({
-      url: httpRequestServer + '/301',
-    }).then(function (httpResponse) {
-      expect(httpResponse.status).toBe(301);
-      done();
-    }, done.fail);
+  it('should do not follow redirects by default', async () => {
+    const httpResponse = await httpRequest({
+      url: `${httpRequestServer}/301`,
+    });
+
+    expect(httpResponse.status).toBe(301);
   });
 
-  it('should follow redirects when set', done => {
-    httpRequest({
-      url: httpRequestServer + '/301',
+  it('should follow redirects when set', async () => {
+    const httpResponse = await httpRequest({
+      url: `${httpRequestServer}/301`,
       followRedirects: true,
-    }).then(function (httpResponse) {
-      expect(httpResponse.status).toBe(200);
-      expect(httpResponse.buffer).toEqual(new Buffer('{"response":"OK"}'));
-      expect(httpResponse.text).toEqual('{"response":"OK"}');
-      expect(httpResponse.data.response).toEqual('OK');
-      done();
-    }, done.fail);
+    });
+
+    expect(httpResponse.status).toBe(200);
+    expect(httpResponse.buffer).toEqual(Buffer.from('{"response":"OK"}'));
+    expect(httpResponse.text).toEqual('{"response":"OK"}');
+    expect(httpResponse.data.response).toEqual('OK');
   });
 
-  it('should fail on 404', done => {
-    let calls = 0;
-    httpRequest({
-      url: httpRequestServer + '/404',
-    }).then(
-      function () {
-        calls++;
-        fail('should not succeed');
-        done();
-      },
-      function (httpResponse) {
-        calls++;
-        expect(calls).toBe(1);
-        expect(httpResponse.status).toBe(404);
-        expect(httpResponse.buffer).toEqual(new Buffer('NO'));
-        expect(httpResponse.text).toEqual('NO');
-        expect(httpResponse.data).toBe(undefined);
-        done();
-      }
+  it('should fail on 404', async () => {
+    await expectAsync(
+      httpRequest({
+        url: `${httpRequestServer}/404`,
+      })
+    ).toBeRejectedWith(
+      jasmine.objectContaining({
+        status: 404,
+        buffer: Buffer.from('NO'),
+        text: 'NO',
+        data: undefined,
+      })
     );
   });
 
-  it('should post on echo', done => {
-    httpRequest({
+  it('should post on echo', async () => {
+    const httpResponse = await httpRequest({
       method: 'POST',
-      url: httpRequestServer + '/echo',
+      url: `${httpRequestServer}/echo`,
       body: {
         foo: 'bar',
       },
       headers: {
         'Content-Type': 'application/json',
       },
-    }).then(
-      function (httpResponse) {
-        expect(httpResponse.status).toBe(200);
-        expect(httpResponse.data).toEqual({ foo: 'bar' });
-        done();
-      },
-      function () {
-        fail('should not fail');
-        done();
-      }
-    );
+    });
+
+    expect(httpResponse.status).toBe(200);
+    expect(httpResponse.data).toEqual({ foo: 'bar' });
   });
 
-  it('should encode a query string body by default', done => {
+  it('should encode a query string body by default', () => {
     const options = {
       body: { foo: 'bar' },
     };
     const result = httpRequest.encodeBody(options);
+
     expect(result.body).toEqual('foo=bar');
     expect(result.headers['Content-Type']).toEqual('application/x-www-form-urlencoded');
-    done();
   });
 
-  it('should encode a JSON body', done => {
+  it('should encode a JSON body', () => {
     const options = {
       body: { foo: 'bar' },
       headers: { 'Content-Type': 'application/json' },
     };
     const result = httpRequest.encodeBody(options);
+
     expect(result.body).toEqual('{"foo":"bar"}');
-    done();
   });
-  it('should encode a www-form body', done => {
+
+  it('should encode a www-form body', () => {
     const options = {
       body: { foo: 'bar', bar: 'baz' },
       headers: { 'cOntent-tYpe': 'application/x-www-form-urlencoded' },
     };
     const result = httpRequest.encodeBody(options);
+
     expect(result.body).toEqual('foo=bar&bar=baz');
-    done();
   });
-  it('should not encode a wrong content type', done => {
+
+  it('should not encode a wrong content type', () => {
     const options = {
       body: { foo: 'bar', bar: 'baz' },
       headers: { 'cOntent-tYpe': 'mime/jpeg' },
     };
     const result = httpRequest.encodeBody(options);
+
     expect(result.body).toEqual({ foo: 'bar', bar: 'baz' });
-    done();
   });
 
-  it('should fail gracefully', done => {
-    httpRequest({
-      url: 'http://not a good url',
-    }).then(done.fail, function (error) {
-      expect(error).not.toBeUndefined();
-      expect(error).not.toBeNull();
-      done();
-    });
+  it('should fail gracefully', async () => {
+    await expectAsync(
+      httpRequest({
+        url: 'http://not a good url',
+      })
+    ).toBeRejected();
   });
 
-  it('should params object to query string', done => {
-    httpRequest({
-      url: httpRequestServer + '/qs',
+  it('should params object to query string', async () => {
+    const httpResponse = await httpRequest({
+      url: `${httpRequestServer}/qs`,
       params: {
         foo: 'bar',
       },
-    }).then(
-      function (httpResponse) {
-        expect(httpResponse.status).toBe(200);
-        expect(httpResponse.data).toEqual({ foo: 'bar' });
-        done();
-      },
-      function () {
-        fail('should not fail');
-        done();
-      }
-    );
+    });
+
+    expect(httpResponse.status).toBe(200);
+    expect(httpResponse.data).toEqual({ foo: 'bar' });
   });
 
-  it('should params string to query string', done => {
-    httpRequest({
-      url: httpRequestServer + '/qs',
+  it('should params string to query string', async () => {
+    const httpResponse = await httpRequest({
+      url: `${httpRequestServer}/qs`,
       params: 'foo=bar&foo2=bar2',
-    }).then(
-      function (httpResponse) {
-        expect(httpResponse.status).toBe(200);
-        expect(httpResponse.data).toEqual({ foo: 'bar', foo2: 'bar2' });
-        done();
-      },
-      function () {
-        fail('should not fail');
-        done();
-      }
-    );
+    });
+
+    expect(httpResponse.status).toBe(200);
+    expect(httpResponse.data).toEqual({ foo: 'bar', foo2: 'bar2' });
   });
 
   it('should not crash with undefined body', () => {
@@ -230,6 +199,7 @@ describe('httpRequest', () => {
 
     const serialized = JSON.stringify(httpResponse);
     const result = JSON.parse(serialized);
+
     expect(result.text).toBe('hello');
     expect(result.data).toBe(undefined);
     expect(result.body).toBe(undefined);
@@ -251,43 +221,47 @@ describe('httpRequest', () => {
   });
 
   it('serialized httpResponse correctly with body buffer string', () => {
-    const httpResponse = new HTTPResponse({}, new Buffer('hello'));
+    const httpResponse = new HTTPResponse({}, Buffer.from('hello'));
     expect(httpResponse.text).toBe('hello');
     expect(httpResponse.data).toBe(undefined);
 
     const serialized = JSON.stringify(httpResponse);
     const result = JSON.parse(serialized);
+
     expect(result.text).toBe('hello');
     expect(result.data).toBe(undefined);
   });
 
   it('serialized httpResponse correctly with body buffer JSON Object', () => {
     const json = '{"foo":"bar"}';
-    const httpResponse = new HTTPResponse({}, new Buffer(json));
+    const httpResponse = new HTTPResponse({}, Buffer.from(json));
     const serialized = JSON.stringify(httpResponse);
     const result = JSON.parse(serialized);
+
     expect(result.text).toEqual('{"foo":"bar"}');
     expect(result.data).toEqual({ foo: 'bar' });
   });
 
   it('serialized httpResponse with Parse._encode should be allright', () => {
     const json = '{"foo":"bar"}';
-    const httpResponse = new HTTPResponse({}, new Buffer(json));
+    const httpResponse = new HTTPResponse({}, Buffer.from(json));
     const encoded = Parse._encode(httpResponse);
     let foundData,
       foundText,
       foundBody = false;
+
     for (const key in encoded) {
-      if (key == 'data') {
+      if (key === 'data') {
         foundData = true;
       }
-      if (key == 'text') {
+      if (key === 'text') {
         foundText = true;
       }
-      if (key == 'body') {
+      if (key === 'body') {
         foundBody = true;
       }
     }
+
     expect(foundData).toBe(true);
     expect(foundText).toBe(true);
     expect(foundBody).toBe(false);