Adding Angular and dependent packages for testing

third_party/pkg/angular/test/mock/http_backend_spec.dart

+library angular.mock.http_backend_spec;
+
+import '../_specs.dart';
+
+class _Chain {
+  var _thenFn;
+  _Chain({then}) {
+    _thenFn = then;
+  }
+
+  then(x) => _thenFn(x);
+}
+
+main() => describe('MockHttpBackend', () {
+  TestBed _;
+  beforeEach(inject((TestBed tb) => _ = tb));
+
+  var hb, callback, realBackendSpy;
+
+  var noop = (_, __) {};
+  var undefined = null;
+
+  beforeEach(inject((HttpBackend httpBackend) {
+    callback = jasmine.createSpy('callback');
+    hb = httpBackend;
+  }));
+
+
+  it('should respond with first matched definition', () {
+    hb.when('GET', '/url1').respond(200, 'content', {});
+    hb.when('GET', '/url1').respond(201, 'another', {});
+
+    callback.andCallFake((status, response) {
+      expect(status).toBe(200);
+      expect(response).toBe('content');
+    });
+
+    hb('GET', '/url1', null, callback);
+    expect(callback).not.toHaveBeenCalled();
+    hb.flush();
+    expect(callback).toHaveBeenCalledOnce();
+  });
+
+
+  it('should throw error when unexpected request', () {
+    hb.when('GET', '/url1').respond(200, 'content');
+    expect(() {
+      hb('GET', '/xxx');
+    }).toThrow('Unexpected request: GET /xxx\nNo more requests expected');
+  });
+
+
+  it('should throw an error on an exception in then', async(() {
+    hb.expectGET('/url').respond(200, 'content');
+
+    expect(() {
+      hb.request('/url', method: 'GET').then((x) {
+        throw ["exceptiona"];
+      });
+      hb.flush();
+      microLeap();
+    }).toThrow('exceptiona');
+  }));
+
+
+  it('should match headers if specified', () {
+    try {
+    hb.when('GET', '/url', null, {'X': 'val1'}).respond(201, 'content1');
+    hb.when('GET', '/url', null, {'X': 'val2'}).respond(202, 'content2');
+    hb.when('GET', '/url').respond(203, 'content3');
+
+    hb('GET', '/url', null, (status, response) {
+      expect(status).toBe(203);
+      expect(response).toBe('content3');
+    });
+
+    hb('GET', '/url', null, (status, response) {
+      expect(status).toBe(201);
+      expect(response).toBe('content1');
+    }, {'X': 'val1'});
+
+    hb('GET', '/url', null, (status, response) {
+      expect(status).toBe(202);
+      expect(response).toBe('content2');
+    }, {'X': 'val2'});
+
+    hb.flush();
+    } catch (e,s) { print("$e $s"); }
+  });
+
+
+  it('should match data if specified', () {
+    hb.when('GET', '/a/b', '{a: true}').respond(201, 'content1');
+    hb.when('GET', '/a/b').respond(202, 'content2');
+
+    hb('GET', '/a/b', '{a: true}', (status, response) {
+      expect(status).toBe(201);
+      expect(response).toBe('content1');
+    });
+
+    hb('GET', '/a/b', '{}', (status, response) {
+      expect(status).toBe(202);
+      expect(response).toBe('content2');
+    });
+
+    hb.flush();
+  });
+
+
+  it('should match only method', () {
+    hb.when('GET').respond(202, 'c');
+    callback.andCallFake((status, response) {
+      expect(status).toBe(202);
+      expect(response).toBe('c');
+    });
+
+    hb('GET', '/some', null, callback, {});
+    hb('GET', '/another', null, callback, {'X-Fake': 'Header'});
+    hb('GET', '/third', 'some-data', callback, {});
+    hb.flush();
+
+    expect(callback).toHaveBeenCalled();
+  });
+
+
+  it('should preserve the order of requests', () {
+    hb.when('GET', '/url1').respond(200, 'first');
+    hb.when('GET', '/url2').respond(201, 'second');
+
+    hb('GET', '/url2', null, callback);
+    hb('GET', '/url1', null, callback);
+
+    hb.flush();
+
+    expect(callback.callCount).toBe(2);
+    expect(callback.argsForCall[0]).toEqual([201, 'second', '']);
+    expect(callback.argsForCall[1]).toEqual([200, 'first', '']);
+  });
+
+
+  describe('respond()', () {
+    it('should take values', () {
+      hb.expect('GET', '/url1').respond(200, 'first', {'header': 'val'});
+      hb('GET', '/url1', null, callback);
+      hb.flush();
+
+      expect(callback).toHaveBeenCalledOnceWith(200, 'first', "header: val");
+    });
+
+    it('should take function', () {
+      hb.expect('GET', '/some').respond((m, u, d, h) {
+        return [301, m + u + ';' + d + ';a=' + h['a'], {'Connection': 'keep-alive'}];
+      });
+
+      hb('GET', '/some', 'data', callback, {'a': 'b'});
+      hb.flush();
+
+      expect(callback).toHaveBeenCalledOnceWith(301, 'GET/some;data;a=b', 'Connection: keep-alive');
+    });
+
+    it('should default status code to 200', () {
+      callback.andCallFake((status, response) {
+        expect(status).toBe(200);
+        expect(response).toBe('some-data');
+      });
+
+      hb.expect('GET', '/url1').respond('some-data');
+      hb.expect('GET', '/url2').respond('some-data', {'X-Header': 'true'});
+      hb('GET', '/url1', null, callback);
+      hb('GET', '/url2', null, callback);
+      hb.flush();
+      expect(callback).toHaveBeenCalled();
+      expect(callback.callCount).toBe(2);
+    });
+
+
+    it('should default response headers to ""', () {
+      hb.expect('GET', '/url1').respond(200, 'first');
+      hb.expect('GET', '/url2').respond('second');
+
+      hb('GET', '/url1', null, callback);
+      hb('GET', '/url2', null, callback);
+
+      hb.flush();
+
+      expect(callback.callCount).toBe(2);
+      expect(callback.argsForCall[0]).toEqual([200, 'first', '']);
+      expect(callback.argsForCall[1]).toEqual([200, 'second', '']);
+    });
+  });
+
+
+  describe('expect()', () {
+    it('should require specified order', () {
+      hb.expect('GET', '/url1').respond(200, '');
+      hb.expect('GET', '/url2').respond(200, '');
+
+      expect(() {
+        hb('GET', '/url2', null, noop, {});
+      }).toThrow('Unexpected request: GET /url2\nExpected GET /url1');
+    });
+
+
+    it('should have precedence over when()', () {
+      callback.andCallFake((status, response) {
+        expect(status).toBe(299);
+        expect(response).toBe('expect');
+      });
+
+      hb.when('GET', '/url').respond(200, 'when');
+      hb.expect('GET', '/url').respond(299, 'expect');
+
+      hb('GET', '/url', null, callback, null);
+      hb.flush();
+      expect(callback).toHaveBeenCalledOnce();
+    });
+
+
+    it('should throw exception when only headers differs from expectation', () {
+      hb.when('GET', '/match').respond(200, '', {});
+      hb.expect('GET', '/match', null, {'Content-Type': 'application/json'}).respond(200, '', {});
+
+      expect(() {
+        hb('GET', '/match', null, noop, {});
+      }).toThrow('Expected GET /match with different headers\n' +
+                 'EXPECTED: {"Content-Type":"application/json"}\nGOT:      {}');
+    });
+
+
+    it('should throw exception when only data differs from expectation', () {
+      hb.when('GET', '/match').respond(200, '', {});
+      hb.expect('GET', '/match', 'some-data').respond(200, '', {});
+
+      expect(() {
+        hb('GET', '/match', 'different', noop, null);
+      }).toThrow('Expected GET /match with different data\n' +
+                 'EXPECTED: some-data\nGOT:      different');
+    });
+
+
+    it("should use when's respond() when no expect() respond is defined", () {
+      callback.andCallFake((status, response) {
+        expect(status).toBe(201);
+        expect(response).toBe('data');
+      });
+
+      hb.when('GET', '/some').respond(201, 'data');
+      hb.expect('GET', '/some');
+      hb('GET', '/some', null, callback);
+      hb.flush();
+
+      expect(callback).toHaveBeenCalled();
+      expect(() { hb.verifyNoOutstandingExpectation(); }).not.toThrow();
+    });
+  });
+
+
+  describe('flush()', () {
+    it('flush() should flush requests fired during callbacks', () {
+      hb.when('GET', '/some').respond(200, '');
+      hb.when('GET', '/other').respond(200, '');
+      hb('GET', '/some', null, (_, __) {
+        hb('GET', '/other', null, callback);
+      });
+
+      hb.flush();
+      expect(callback).toHaveBeenCalled();
+    });
+
+
+    it('should flush given number of pending requests', () {
+      hb.when('GET').respond(200, '');
+      hb('GET', '/some', null, callback);
+      hb('GET', '/some', null, callback);
+      hb('GET', '/some', null, callback);
+
+      hb.flush(2);
+      expect(callback).toHaveBeenCalled();
+      expect(callback.callCount).toBe(2);
+    });
+
+
+    it('should throw exception when flushing more requests than pending', () {
+      hb.when('GET').respond(200, '');
+      hb('GET', '/url', null, callback);
+
+      expect(() {hb.flush(2);}).toThrow('No more pending request to flush !');
+      expect(callback).toHaveBeenCalledOnce();
+    });
+
+
+    it('should throw exception when no request to flush', () {
+      expect(() {hb.flush();}).toThrow('No pending request to flush !');
+
+      hb.when('GET').respond(200, '');
+      hb('GET', '/some', null, callback);
+      hb.flush();
+
+      expect(() {hb.flush();}).toThrow('No pending request to flush !');
+    });
+
+
+    it('should throw exception if not all expectations satisfied', () {
+      hb.expect('GET', '/url1').respond();
+      hb.expect('GET', '/url2').respond();
+
+      hb('GET', '/url1', null, noop);
+      expect(() {hb.flush();}).toThrow('Unsatisfied requests: GET /url2');
+    });
+  });
+
+
+  it('should abort requests when timeout promise resolves', () {
+    hb.expect('GET', '/url1').respond(200);
+
+    var canceler, then = jasmine.createSpy('then').andCallFake((fn) {
+      canceler = fn;
+    });
+
+    hb('GET', '/url1', null, callback, null, new _Chain(then: then));
+    expect(canceler is Function).toBe(true);
+
+    canceler();  // simulate promise resolution
+
+    expect(callback).toHaveBeenCalledWith(-1, null, '');
+    hb.verifyNoOutstandingExpectation();
+    hb.verifyNoOutstandingRequest();
+  });
+
+
+  it('should throw an exception if no response defined', () {
+    hb.when('GET', '/test');
+    expect(() {
+      hb('GET', '/test', null, callback);
+    }).toThrow('No response defined !');
+  });
+
+
+  it('should throw an exception if no response for exception and no definition', () {
+    hb.expect('GET', '/url');
+    expect(() {
+      hb('GET', '/url', null, callback);
+    }).toThrow('No response defined !');
+  });
+
+
+  it('should respond undefined when JSONP method', () {
+    hb.when('JSONP', '/url1').respond(200);
+    hb.expect('JSONP', '/url2').respond(200);
+
+    expect(hb('JSONP', '/url1')).toBeNull();
+    expect(hb('JSONP', '/url2')).toBeNull();
+  });
+
+
+  describe('verifyExpectations', () {
+
+    it('should throw exception if not all expectations were satisfied', () {
+      hb.expect('POST', '/u1', 'ddd').respond(201, '', {});
+      hb.expect('GET', '/u2').respond(200, '', {});
+      hb.expect('POST', '/u3').respond(201, '', {});
+
+      hb('POST', '/u1', 'ddd', noop, {});
+
+      expect(() {hb.verifyNoOutstandingExpectation();}).
+        toThrow('Unsatisfied requests: GET /u2, POST /u3');
+    });
+
+
+    it('should do nothing when no expectation', () {
+      hb.when('DELETE', '/some').respond(200, '');
+
+      expect(() {hb.verifyNoOutstandingExpectation();}).not.toThrow();
+    });
+
+
+    it('should do nothing when all expectations satisfied', () {
+      hb.expect('GET', '/u2').respond(200, '', {});
+      hb.expect('POST', '/u3').respond(201, '', {});
+      hb.when('DELETE', '/some').respond(200, '');
+
+      hb('GET', '/u2');
+      hb('POST', '/u3');
+
+      expect(() {hb.verifyNoOutstandingExpectation();}).not.toThrow();
+    });
+  });
+
+  describe('verifyRequests', () {
+
+    it('should throw exception if not all requests were flushed', () {
+      hb.when('GET').respond(200);
+      hb('GET', '/some', null, noop, {});
+
+      expect(() {
+        hb.verifyNoOutstandingRequest();
+      }).toThrow('Unflushed requests: 1');
+    });
+  });
+
+
+  describe('resetExpectations', () {
+
+    it('should remove all expectations', () {
+      hb.expect('GET', '/u2').respond(200, '', {});
+      hb.expect('POST', '/u3').respond(201, '', {});
+      hb.resetExpectations();
+
+      expect(() {hb.verifyNoOutstandingExpectation();}).not.toThrow();
+    });
+
+
+    it('should remove all pending responses', () {
+      var cancelledClb = jasmine.createSpy('cancelled');
+
+      hb.expect('GET', '/url').respond(200, '');
+      hb('GET', '/url', null, cancelledClb);
+      hb.resetExpectations();
+
+      hb.expect('GET', '/url').respond(300, '');
+      hb('GET', '/url', null, callback, {});
+      hb.flush();
+
+      expect(callback).toHaveBeenCalledOnce();
+      expect(cancelledClb).not.toHaveBeenCalled();
+    });
+
+
+    it('should not remove definitions', () {
+      var cancelledClb = jasmine.createSpy('cancelled');
+
+      hb.when('GET', '/url').respond(200, 'success');
+      hb('GET', '/url', null, cancelledClb);
+      hb.resetExpectations();
+
+      hb('GET', '/url', null, callback, {});
+      hb.flush();
+
+      expect(callback).toHaveBeenCalledOnce();
+      expect(cancelledClb).not.toHaveBeenCalled();
+    });
+  });
+
+
+  describe('expect/when shortcuts', () {
+    [[(x) => hb.expectGET(x), 'GET'],
+     [(x) => hb.expectPOST(x), 'POST'],
+     [(x) => hb.expectPUT(x), 'PUT'],
+     [(x) => hb.expectPATCH(x), 'PATCH'],
+     [(x) => hb.expectDELETE(x), 'DELETE'],
+     [(x) => hb.expectJSONP(x), 'JSONP'],
+     [(x) => hb.whenGET(x), 'GET'],
+     [(x) => hb.whenPOST(x), 'POST'],
+     [(x) => hb.whenPUT(x), 'PUT'],
+     [(x) => hb.whenPATCH(x), 'PATCH'],
+     [(x) => hb.whenDELETE(x), 'DELETE'],
+     [(x) => hb.whenJSONP(x), 'JSONP']
+    ].forEach((step) {
+        var shortcut = step[0], method = step[1];
+        it('should provide $shortcut  shortcut method', () {
+          shortcut('/foo').respond('bar');
+          hb(method, '/foo', undefined, callback);
+          hb.flush();
+          expect(callback).toHaveBeenCalledOnceWith(200, 'bar', '');
+        });
+      });
+  });
+
+
+  describe('MockHttpExpectation', () {
+
+    it('should accept url as regexp', () {
+      var exp = new MockHttpExpectation('GET', new RegExp('^\/x'));
+
+      expect(exp.match('GET', '/x')).toBe(true);
+      expect(exp.match('GET', '/xxx/x')).toBe(true);
+      expect(exp.match('GET', 'x')).toBe(false);
+      expect(exp.match('GET', 'a/x')).toBe(false);
+    });
+
+
+    it('should accept data as regexp', () {
+      var exp = new MockHttpExpectation('POST', '/url', new RegExp('\{.*?\}'));
+
+      expect(exp.match('POST', '/url', '{"a": "aa"}')).toBe(true);
+      expect(exp.match('POST', '/url', '{"one": "two"}')).toBe(true);
+      expect(exp.match('POST', '/url', '{"one"')).toBe(false);
+    });
+
+
+    it('should accept headers as function', () {
+      var exp = new MockHttpExpectation('GET', '/url', undefined, (h) {
+        return h['Content-Type'] == 'application/json';
+      });
+
+      expect(exp.matchHeaders({})).toBe(false);
+      expect(exp.matchHeaders({'Content-Type': 'application/json', 'X-Another': 'true'})).toBe(true);
+    });
+  });
+});