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Diffstat (limited to 'test/service/httpSpec.js')
| -rw-r--r-- | test/service/httpSpec.js | 983 | 
1 files changed, 983 insertions, 0 deletions
| diff --git a/test/service/httpSpec.js b/test/service/httpSpec.js new file mode 100644 index 00000000..196a57ed --- /dev/null +++ b/test/service/httpSpec.js @@ -0,0 +1,983 @@ +'use strict'; + +// TODO(vojta): refactor these tests to use new inject() syntax +describe('$http', function() { + +  var $http, $browser, $exceptionHandler, // services +      method, url, data, headers, timeout, // passed arguments +      onSuccess, onError, // callback spies +      scope, errorLogs, respond, rawXhrObject, future; + +  beforeEach(inject(function($injector) { +    $injector.get('$exceptionHandlerProvider').mode('log'); +    scope = $injector.get('$rootScope'); +    $http = $injector.get('$http'); +    $browser = $injector.get('$browser'); +    $exceptionHandler = $injector.get('$exceptionHandler'); + +    // TODO(vojta): move this into mock browser ? +    respond = method = url = data = headers = null; +    rawXhrObject = { +      abort: jasmine.createSpy('request.abort'), +      getResponseHeader: function(h) {return h + '-val';}, +      getAllResponseHeaders: function() { +        return 'content-encoding: gzip\nserver: Apache\n'; +      } +    }; + +    spyOn(scope, '$apply'); +    spyOn($browser, 'xhr').andCallFake(function(m, u, d, c, h, t) { +      method = m; +      url = u; +      data = d; +      respond = c; +      headers = h; +      timeout = t; +      return rawXhrObject; +    }); +  })); + +  afterEach(function() { +    // expect($exceptionHandler.errors.length).toBe(0); +  }); + +  function doCommonXhr(method, url) { +    future = $http({method: method || 'GET', url: url || '/url'}); + +    onSuccess = jasmine.createSpy('on200'); +    onError = jasmine.createSpy('on400'); +    future.on('200', onSuccess); +    future.on('400', onError); + +    return future; +  } + + +  it('should do basic request', function() { +    $http({url: '/url', method: 'GET'}); +    expect($browser.xhr).toHaveBeenCalledOnce(); +    expect(url).toBe('/url'); +    expect(method).toBe('GET'); +  }); + + +  it('should pass data if specified', function() { +    $http({url: '/url', method: 'POST', data: 'some-data'}); +    expect($browser.xhr).toHaveBeenCalledOnce(); +    expect(data).toBe('some-data'); +  }); + + +  it('should pass timeout if specified', function() { +    $http({url: '/url', method: 'POST', timeout: 5000}); +    expect($browser.xhr).toHaveBeenCalledOnce(); +    expect(timeout).toBe(5000); +  }); + + +  describe('callbacks', function() { + +    beforeEach(doCommonXhr); + +    it('should log exceptions', function() { +      onSuccess.andThrow('exception in success callback'); +      onError.andThrow('exception in error callback'); + +      respond(200, 'content'); +      expect($exceptionHandler.errors.pop()).toContain('exception in success callback'); + +      respond(400, ''); +      expect($exceptionHandler.errors.pop()).toContain('exception in error callback'); +    }); + + +    it('should log more exceptions', function() { +      onError.andThrow('exception in error callback'); +      future.on('500', onError).on('50x', onError); +      respond(500, ''); + +      expect($exceptionHandler.errors.length).toBe(2); +      $exceptionHandler.errors = []; +    }); + + +    it('should get response as first param', function() { +      respond(200, 'response'); +      expect(onSuccess).toHaveBeenCalledOnce(); +      expect(onSuccess.mostRecentCall.args[0]).toBe('response'); + +      respond(400, 'empty'); +      expect(onError).toHaveBeenCalledOnce(); +      expect(onError.mostRecentCall.args[0]).toBe('empty'); +    }); + + +    it('should get status code as second param', function() { +      respond(200, 'response'); +      expect(onSuccess).toHaveBeenCalledOnce(); +      expect(onSuccess.mostRecentCall.args[1]).toBe(200); + +      respond(400, 'empty'); +      expect(onError).toHaveBeenCalledOnce(); +      expect(onError.mostRecentCall.args[1]).toBe(400); +    }); +  }); + + +  describe('response headers', function() { + +    var callback; + +    beforeEach(function() { +      callback = jasmine.createSpy('callback'); +    }); + +    it('should return single header', function() { +      callback.andCallFake(function(r, s, header) { +        expect(header('date')).toBe('date-val'); +      }); + +      $http({url: '/url', method: 'GET'}).on('200', callback); +      respond(200, ''); + +      expect(callback).toHaveBeenCalledOnce(); +    }); + + +    it('should return null when single header does not exist', function() { +      callback.andCallFake(function(r, s, header) { +        header(); // we need that to get headers parsed first +        expect(header('nothing')).toBe(null); +      }); + +      $http({url: '/url', method: 'GET'}).on('200', callback); +      respond(200, ''); + +      expect(callback).toHaveBeenCalledOnce(); +    }); + + +    it('should return all headers as object', function() { +      callback.andCallFake(function(r, s, header) { +        expect(header()).toEqual({'content-encoding': 'gzip', 'server': 'Apache'}); +      }); + +      $http({url: '/url', method: 'GET'}).on('200', callback); +      respond(200, ''); + +      expect(callback).toHaveBeenCalledOnce(); +    }); + + +    it('should return empty object for jsonp request', function() { +      // jsonp doesn't return raw object +      rawXhrObject = undefined; +      callback.andCallFake(function(r, s, headers) { +        expect(headers()).toEqual({}); +      }); + +      $http({url: '/some', method: 'JSONP'}).on('200', callback); +      respond(200, ''); +      expect(callback).toHaveBeenCalledOnce(); +    }); +  }); + + +  describe('response headers parser', function() { + +    it('should parse basic', function() { +      var parsed = parseHeaders( +          'date: Thu, 04 Aug 2011 20:23:08 GMT\n' + +          'content-encoding: gzip\n' + +          'transfer-encoding: chunked\n' + +          'x-cache-info: not cacheable; response has already expired, not cacheable; response has already expired\n' + +          'connection: Keep-Alive\n' + +          'x-backend-server: pm-dekiwiki03\n' + +          'pragma: no-cache\n' + +          'server: Apache\n' + +          'x-frame-options: DENY\n' + +          'content-type: text/html; charset=utf-8\n' + +          'vary: Cookie, Accept-Encoding\n' + +          'keep-alive: timeout=5, max=1000\n' + +          'expires: Thu: , 19 Nov 1981 08:52:00 GMT\n'); + +      expect(parsed['date']).toBe('Thu, 04 Aug 2011 20:23:08 GMT'); +      expect(parsed['content-encoding']).toBe('gzip'); +      expect(parsed['transfer-encoding']).toBe('chunked'); +      expect(parsed['keep-alive']).toBe('timeout=5, max=1000'); +    }); + + +    it('should parse lines without space after colon', function() { +      expect(parseHeaders('key:value').key).toBe('value'); +    }); + + +    it('should trim the values', function() { +      expect(parseHeaders('key:    value ').key).toBe('value'); +    }); + + +    it('should allow headers without value', function() { +      expect(parseHeaders('key:').key).toBe(''); +    }); + + +    it('should merge headers with same key', function() { +      expect(parseHeaders('key: a\nkey:b\n').key).toBe('a, b'); +    }); + + +    it('should normalize keys to lower case', function() { +      expect(parseHeaders('KeY: value').key).toBe('value'); +    }); + + +    it('should parse CRLF as delimiter', function() { +      // IE does use CRLF +      expect(parseHeaders('a: b\r\nc: d\r\n')).toEqual({a: 'b', c: 'd'}); +      expect(parseHeaders('a: b\r\nc: d\r\n').a).toBe('b'); +    }); + + +    it('should parse tab after semi-colon', function() { +      expect(parseHeaders('a:\tbb').a).toBe('bb'); +      expect(parseHeaders('a: \tbb').a).toBe('bb'); +    }); +  }); + + +  describe('request headers', function() { + +    it('should send custom headers', function() { +      $http({url: '/url', method: 'GET', headers: { +        'Custom': 'header', +        'Content-Type': 'application/json' +      }}); + +      expect(headers['Custom']).toEqual('header'); +      expect(headers['Content-Type']).toEqual('application/json'); +    }); + + +    it('should set default headers for GET request', function() { +      $http({url: '/url', method: 'GET', headers: {}}); + +      expect(headers['Accept']).toBe('application/json, text/plain, */*'); +      expect(headers['X-Requested-With']).toBe('XMLHttpRequest'); +    }); + + +    it('should set default headers for POST request', function() { +      $http({url: '/url', method: 'POST', headers: {}}); + +      expect(headers['Accept']).toBe('application/json, text/plain, */*'); +      expect(headers['X-Requested-With']).toBe('XMLHttpRequest'); +      expect(headers['Content-Type']).toBe('application/json'); +    }); + + +    it('should set default headers for PUT request', function() { +      $http({url: '/url', method: 'PUT', headers: {}}); + +      expect(headers['Accept']).toBe('application/json, text/plain, */*'); +      expect(headers['X-Requested-With']).toBe('XMLHttpRequest'); +      expect(headers['Content-Type']).toBe('application/json'); +    }); + + +    it('should set default headers for custom HTTP method', function() { +      $http({url: '/url', method: 'FOO', headers: {}}); + +      expect(headers['Accept']).toBe('application/json, text/plain, */*'); +      expect(headers['X-Requested-With']).toBe('XMLHttpRequest'); +    }); + + +    it('should override default headers with custom', function() { +      $http({url: '/url', method: 'POST', headers: { +        'Accept': 'Rewritten', +        'Content-Type': 'Rewritten' +      }}); + +      expect(headers['Accept']).toBe('Rewritten'); +      expect(headers['X-Requested-With']).toBe('XMLHttpRequest'); +      expect(headers['Content-Type']).toBe('Rewritten'); +    }); + + +    it('should set the XSRF cookie into a XSRF header', function() { +      $browser.cookies('XSRF-TOKEN', 'secret'); + +      $http({url: '/url', method: 'GET'}); +      expect(headers['X-XSRF-TOKEN']).toBe('secret'); + +      $http({url: '/url', method: 'POST', headers: {'S-ome': 'Header'}}); +      expect(headers['X-XSRF-TOKEN']).toBe('secret'); + +      $http({url: '/url', method: 'PUT', headers: {'Another': 'Header'}}); +      expect(headers['X-XSRF-TOKEN']).toBe('secret'); + +      $http({url: '/url', method: 'DELETE', headers: {}}); +      expect(headers['X-XSRF-TOKEN']).toBe('secret'); +    }); +  }); + + +  describe('short methods', function() { + +    it('should have .get()', function() { +      $http.get('/url'); + +      expect(method).toBe('GET'); +      expect(url).toBe('/url'); +    }); + + +    it('.get() should allow config param', function() { +      $http.get('/url', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('GET'); +      expect(url).toBe('/url'); +      expect(headers['Custom']).toBe('Header'); +    }); + + +    it('should have .delete()', function() { +      $http['delete']('/url'); + +      expect(method).toBe('DELETE'); +      expect(url).toBe('/url'); +    }); + + +    it('.delete() should allow config param', function() { +      $http['delete']('/url', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('DELETE'); +      expect(url).toBe('/url'); +      expect(headers['Custom']).toBe('Header'); +    }); + + +    it('should have .head()', function() { +      $http.head('/url'); + +      expect(method).toBe('HEAD'); +      expect(url).toBe('/url'); +    }); + + +    it('.head() should allow config param', function() { +      $http.head('/url', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('HEAD'); +      expect(url).toBe('/url'); +      expect(headers['Custom']).toBe('Header'); +    }); + + +    it('should have .patch()', function() { +      $http.patch('/url'); + +      expect(method).toBe('PATCH'); +      expect(url).toBe('/url'); +    }); + + +    it('.patch() should allow config param', function() { +      $http.patch('/url', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('PATCH'); +      expect(url).toBe('/url'); +      expect(headers['Custom']).toBe('Header'); +    }); + + +    it('should have .post()', function() { +      $http.post('/url', 'some-data'); + +      expect(method).toBe('POST'); +      expect(url).toBe('/url'); +      expect(data).toBe('some-data'); +    }); + + +    it('.post() should allow config param', function() { +      $http.post('/url', 'some-data', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('POST'); +      expect(url).toBe('/url'); +      expect(data).toBe('some-data'); +      expect(headers['Custom']).toBe('Header'); +    }); + + +    it('should have .put()', function() { +      $http.put('/url', 'some-data'); + +      expect(method).toBe('PUT'); +      expect(url).toBe('/url'); +      expect(data).toBe('some-data'); +    }); + + +    it('.put() should allow config param', function() { +      $http.put('/url', 'some-data', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('PUT'); +      expect(url).toBe('/url'); +      expect(data).toBe('some-data'); +      expect(headers['Custom']).toBe('Header'); +    }); + + +    it('should have .jsonp()', function() { +      $http.jsonp('/url'); + +      expect(method).toBe('JSONP'); +      expect(url).toBe('/url'); +    }); + + +    it('.jsonp() should allow config param', function() { +      $http.jsonp('/url', {headers: {'Custom': 'Header'}}); + +      expect(method).toBe('JSONP'); +      expect(url).toBe('/url'); +      expect(headers['Custom']).toBe('Header'); +    }); +  }); + + +  describe('future', function() { + +    describe('abort', function() { + +      beforeEach(doCommonXhr); + +      it('should return itself to allow chaining', function() { +        expect(future.abort()).toBe(future); +      }); + +      it('should allow aborting the request', function() { +        future.abort(); + +        expect(rawXhrObject.abort).toHaveBeenCalledOnce(); +      }); + + +      it('should not abort already finished request', function() { +        respond(200, 'content'); + +        future.abort(); +        expect(rawXhrObject.abort).not.toHaveBeenCalled(); +      }); +    }); + + +    describe('retry', function() { + +      it('should retry last request with same callbacks', function() { +        doCommonXhr('HEAD', '/url-x'); +        respond(200, ''); +        $browser.xhr.reset(); +        onSuccess.reset(); + +        future.retry(); +        expect($browser.xhr).toHaveBeenCalledOnce(); +        expect(method).toBe('HEAD'); +        expect(url).toBe('/url-x'); + +        respond(200, 'body'); +        expect(onSuccess).toHaveBeenCalledOnce(); +      }); + + +      it('should return itself to allow chaining', function() { +        doCommonXhr(); +        respond(200, ''); +        expect(future.retry()).toBe(future); +      }); + + +      it('should throw error when pending request', function() { +        doCommonXhr(); +        expect(future.retry).toThrow('Can not retry request. Abort pending request first.'); +      }); +    }); + + +    describe('on', function() { + +      var callback; + +      beforeEach(function() { +        future = $http({method: 'GET', url: '/url'}); +        callback = jasmine.createSpy('callback'); +      }); + +      it('should return itself to allow chaining', function() { +        expect(future.on('200', noop)).toBe(future); +      }); + + +      it('should call exact status code callback', function() { +        future.on('205', callback); +        respond(205, ''); + +        expect(callback).toHaveBeenCalledOnce(); +      }); + + +      it('should match 2xx', function() { +        future.on('2xx', callback); + +        respond(200, ''); +        respond(201, ''); +        respond(266, ''); + +        respond(400, ''); +        respond(300, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(3); +      }); + + +      it('should match 20x', function() { +        future.on('20x', callback); + +        respond(200, ''); +        respond(201, ''); +        respond(205, ''); + +        respond(400, ''); +        respond(300, ''); +        respond(210, ''); +        respond(255, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(3); +      }); + + +      it('should match 2x1', function() { +        future.on('2x1', callback); + +        respond(201, ''); +        respond(211, ''); +        respond(251, ''); + +        respond(400, ''); +        respond(300, ''); +        respond(210, ''); +        respond(255, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(3); +      }); + + +      it('should match xxx', function() { +        future.on('xxx', callback); + +        respond(201, ''); +        respond(211, ''); +        respond(251, ''); +        respond(404, ''); +        respond(501, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(5); +      }); + + +      it('should call all matched callbacks', function() { +        var no = jasmine.createSpy('wrong'); +        future.on('xxx', callback); +        future.on('2xx', callback); +        future.on('205', callback); +        future.on('3xx', no); +        future.on('2x1', no); +        future.on('4xx', no); +        respond(205, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(3); +        expect(no).not.toHaveBeenCalled(); +      }); + + +      it('should allow list of status patterns', function() { +        future.on('2xx,3xx', callback); + +        respond(405, ''); +        expect(callback).not.toHaveBeenCalled(); + +        respond(201); +        expect(callback).toHaveBeenCalledOnce(); + +        respond(301); +        expect(callback.callCount).toBe(2); +      }); + + +      it('should preserve the order of listeners', function() { +        var log = ''; +        future.on('2xx', function() {log += '1';}); +        future.on('201', function() {log += '2';}); +        future.on('2xx', function() {log += '3';}); + +        respond(201); +        expect(log).toBe('123'); +      }); + + +      it('should know "success" alias', function() { +        future.on('success', callback); +        respond(200, ''); +        expect(callback).toHaveBeenCalledOnce(); + +        callback.reset(); +        respond(201, ''); +        expect(callback).toHaveBeenCalledOnce(); + +        callback.reset(); +        respond(250, ''); +        expect(callback).toHaveBeenCalledOnce(); + +        callback.reset(); +        respond(404, ''); +        respond(501, ''); +        expect(callback).not.toHaveBeenCalled(); +      }); + + +      it('should know "error" alias', function() { +        future.on('error', callback); +        respond(401, ''); +        expect(callback).toHaveBeenCalledOnce(); + +        callback.reset(); +        respond(500, ''); +        expect(callback).toHaveBeenCalledOnce(); + +        callback.reset(); +        respond(0, ''); +        expect(callback).toHaveBeenCalledOnce(); + +        callback.reset(); +        respond(201, ''); +        respond(200, ''); +        respond(300, ''); +        expect(callback).not.toHaveBeenCalled(); +      }); + + +      it('should know "always" alias', function() { +        future.on('always', callback); +        respond(201, ''); +        respond(200, ''); +        respond(300, ''); +        respond(401, ''); +        respond(502, ''); +        respond(0,   ''); +        respond(-1,  ''); +        respond(-2,  ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(8); +      }); + + +      it('should call "xxx" when 0 status code', function() { +        future.on('xxx', callback); +        respond(0, ''); +        expect(callback).toHaveBeenCalledOnce(); +      }); + + +      it('should not call "2xx" when 0 status code', function() { +        future.on('2xx', callback); +        respond(0, ''); +        expect(callback).not.toHaveBeenCalled(); +      }); + +      it('should normalize internal statuses -1, -2 to 0', function() { +        callback.andCallFake(function(response, status) { +          expect(status).toBe(0); +        }); + +        future.on('xxx', callback); +        respond(-1, ''); +        respond(-2, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(2); +      }); + +      it('should match "timeout" when -1 internal status', function() { +        future.on('timeout', callback); +        respond(-1, ''); + +        expect(callback).toHaveBeenCalledOnce(); +      }); + +      it('should match "abort" when 0 status', function() { +        future.on('abort', callback); +        respond(0, ''); + +        expect(callback).toHaveBeenCalledOnce(); +      }); + +      it('should match "error" when 0, -1, or -2', function() { +        future.on('error', callback); +        respond(0,  ''); +        respond(-1, ''); +        respond(-2, ''); + +        expect(callback).toHaveBeenCalled(); +        expect(callback.callCount).toBe(3); +      }); +    }); +  }); + + +  describe('scope.$apply', function() { + +    beforeEach(doCommonXhr); + +    it('should $apply after success callback', function() { +      respond(200, ''); +      expect(scope.$apply).toHaveBeenCalledOnce(); +    }); + + +    it('should $apply after error callback', function() { +      respond(404, ''); +      expect(scope.$apply).toHaveBeenCalledOnce(); +    }); + + +    it('should $apply even if exception thrown during callback', function() { +      onSuccess.andThrow('error in callback'); +      onError.andThrow('error in callback'); + +      respond(200, ''); +      expect(scope.$apply).toHaveBeenCalledOnce(); + +      scope.$apply.reset(); +      respond(400, ''); +      expect(scope.$apply).toHaveBeenCalledOnce(); + +      $exceptionHandler.errors = []; +    }); +  }); + + +  describe('transform', function() { + +    describe('request', function() { + +      describe('default', function() { + +        it('should transform object into json', function() { +          $http({method: 'POST', url: '/url', data: {one: 'two'}}); +          expect(data).toBe('{"one":"two"}'); +        }); + + +        it('should ignore strings', function() { +          $http({method: 'POST', url: '/url', data: 'string-data'}); +          expect(data).toBe('string-data'); +        }); +      }); +    }); + + +    describe('response', function() { + +      describe('default', function() { + +        it('should deserialize json objects', function() { +          doCommonXhr(); +          respond(200, '{"foo":"bar","baz":23}'); + +          expect(onSuccess.mostRecentCall.args[0]).toEqual({foo: 'bar', baz: 23}); +        }); + + +        it('should deserialize json arrays', function() { +          doCommonXhr(); +          respond(200, '[1, "abc", {"foo":"bar"}]'); + +          expect(onSuccess.mostRecentCall.args[0]).toEqual([1, 'abc', {foo: 'bar'}]); +        }); + + +        it('should deserialize json with security prefix', function() { +          doCommonXhr(); +          respond(200, ')]}\',\n[1, "abc", {"foo":"bar"}]'); + +          expect(onSuccess.mostRecentCall.args[0]).toEqual([1, 'abc', {foo:'bar'}]); +        }); +      }); + +      it('should pipeline more functions', function() { +        function first(d) {return d + '1';} +        function second(d) {return d + '2';} +        onSuccess = jasmine.createSpy('onSuccess'); + +        $http({method: 'POST', url: '/url', data: '0', transformResponse: [first, second]}) +          .on('200', onSuccess); + +        respond(200, '0'); +        expect(onSuccess).toHaveBeenCalledOnce(); +        expect(onSuccess.mostRecentCall.args[0]).toBe('012'); +      }); +    }); +  }); + + +  describe('cache', function() { + +    function doFirstCacheRequest(method, responseStatus) { +      onSuccess = jasmine.createSpy('on200'); +      $http({method: method || 'get', url: '/url', cache: true}); +      respond(responseStatus || 200, 'content'); +      $browser.xhr.reset(); +    } + +    it('should cache GET request', function() { +      doFirstCacheRequest(); + +      $http({method: 'get', url: '/url', cache: true}).on('200', onSuccess); +      $browser.defer.flush(); + +      expect(onSuccess).toHaveBeenCalledOnce(); +      expect(onSuccess.mostRecentCall.args[0]).toBe('content'); +      expect($browser.xhr).not.toHaveBeenCalled(); +    }); + + +    it('should always call callback asynchronously', function() { +      doFirstCacheRequest(); + +      $http({method: 'get', url: '/url', cache: true}).on('200', onSuccess); +      expect(onSuccess).not.toHaveBeenCalled(); +    }); + + +    it('should not cache POST request', function() { +      doFirstCacheRequest('post'); + +      $http({method: 'post', url: '/url', cache: true}).on('200', onSuccess); +      $browser.defer.flush(); +      expect(onSuccess).not.toHaveBeenCalled(); +      expect($browser.xhr).toHaveBeenCalledOnce(); +    }); + + +    it('should not cache PUT request', function() { +      doFirstCacheRequest('put'); + +      $http({method: 'put', url: '/url', cache: true}).on('200', onSuccess); +      $browser.defer.flush(); +      expect(onSuccess).not.toHaveBeenCalled(); +      expect($browser.xhr).toHaveBeenCalledOnce(); +    }); + + +    it('should not cache DELETE request', function() { +      doFirstCacheRequest('delete'); + +      $http({method: 'delete', url: '/url', cache: true}).on('200', onSuccess); +      $browser.defer.flush(); +      expect(onSuccess).not.toHaveBeenCalled(); +      expect($browser.xhr).toHaveBeenCalledOnce(); +    }); + + +    it('should not cache non 2xx responses', function() { +      doFirstCacheRequest('get', 404); + +      $http({method: 'get', url: '/url', cache: true}).on('200', onSuccess); +      $browser.defer.flush(); +      expect(onSuccess).not.toHaveBeenCalled(); +      expect($browser.xhr).toHaveBeenCalledOnce(); +    }); + + +    it('should cache the headers as well', function() { +      doFirstCacheRequest(); +      onSuccess.andCallFake(function(r, s, headers) { +        expect(headers()).toEqual({'content-encoding': 'gzip', 'server': 'Apache'}); +        expect(headers('server')).toBe('Apache'); +      }); + +      $http({method: 'get', url: '/url', cache: true}).on('200', onSuccess); +      $browser.defer.flush(); +      expect(onSuccess).toHaveBeenCalledOnce(); +    }); + + +    it('should cache status code as well', function() { +      doFirstCacheRequest('get', 201); +      onSuccess.andCallFake(function(r, status, h) { +        expect(status).toBe(201); +      }); + +      $http({method: 'get', url: '/url', cache: true}).on('2xx', onSuccess); +      $browser.defer.flush(); +      expect(onSuccess).toHaveBeenCalledOnce(); +    }); +  }); + + +  describe('pendingCount', function() { + +    it('should return number of pending requests', function() { +      expect($http.pendingCount()).toBe(0); + +      $http({method: 'get', url: '/some'}); +      expect($http.pendingCount()).toBe(1); + +      respond(200, ''); +      expect($http.pendingCount()).toBe(0); +    }); + + +    it('should decrement the counter when request aborted', function() { +      future = $http({method: 'get', url: '/x'}); +      expect($http.pendingCount()).toBe(1); +      future.abort(); +      respond(0, ''); + +      expect($http.pendingCount()).toBe(0); +    }); + + +    it('should decrement the counter when served from cache', function() { +      $http({method: 'get', url: '/cached', cache: true}); +      respond(200, 'content'); +      expect($http.pendingCount()).toBe(0); + +      $http({method: 'get', url: '/cached', cache: true}); +      expect($http.pendingCount()).toBe(1); + +      $browser.defer.flush(); +      expect($http.pendingCount()).toBe(0); +    }); + + +    it('should decrement the counter before firing callbacks', function() { +      $http({method: 'get', url: '/cached'}).on('xxx', function() { +        expect($http.pendingCount()).toBe(0); +      }); + +      expect($http.pendingCount()).toBe(1); +      respond(200, 'content'); +    }); +  }); +}); | 
