Files
angular.js/test/ng/httpSpec.js

1731 lines
61 KiB
JavaScript

'use strict';
describe('$http', function() {
var callback;
beforeEach(function() {
callback = jasmine.createSpy('done');
});
beforeEach(module(function($exceptionHandlerProvider) {
$exceptionHandlerProvider.mode('log');
}));
afterEach(inject(function($exceptionHandler, $httpBackend, $rootScope) {
forEach($exceptionHandler.errors, function(e) {
dump('Unhandled exception: ', e);
});
if ($exceptionHandler.errors.length) {
throw 'Unhandled exceptions trapped in $exceptionHandler!';
}
$rootScope.$digest();
$httpBackend.verifyNoOutstandingExpectation();
}));
describe('$httpProvider', function() {
describe('interceptors', function() {
it('should chain request, requestReject, response and responseReject interceptors', function() {
module(function($httpProvider) {
var savedConfig, savedResponse;
$httpProvider.interceptors.push(function($q) {
return {
request: function(config) {
config.url += '/1';
savedConfig = config;
return $q.reject('/2');
}
};
});
$httpProvider.interceptors.push(function($q) {
return {
requestError: function(error) {
savedConfig.url += error;
return $q.when(savedConfig);
}
};
});
$httpProvider.interceptors.push(function() {
return {
responseError: function(rejection) {
savedResponse.data += rejection;
return savedResponse;
}
};
});
$httpProvider.interceptors.push(function($q) {
return {
response: function(response) {
response.data += ':1';
savedResponse = response;
return $q.reject(':2');
}
};
});
});
inject(function($http, $httpBackend, $rootScope) {
var response;
$httpBackend.expect('GET', '/url/1/2').respond('response');
$http({method: 'GET', url: '/url'}).then(function(r) {
response = r;
});
$rootScope.$apply();
$httpBackend.flush();
expect(response.data).toEqual('response:1:2');
});
});
it('should verify order of execution', function() {
module(function($httpProvider) {
$httpProvider.interceptors.push(function($q) {
return {
request: function(config) {
config.url += '/outer';
return config;
},
response: function(response) {
response.data = '{' + response.data + '} outer';
return response;
}
};
});
$httpProvider.interceptors.push(function($q) {
return {
request: function(config) {
config.url += '/inner';
return config;
},
response: function(response) {
response.data = '{' + response.data + '} inner';
return response;
}
};
});
});
inject(function($http, $httpBackend) {
var response;
$httpBackend.expect('GET', '/url/outer/inner').respond('response');
$http({method: 'GET', url: '/url'}).then(function(r) {
response = r;
});
$httpBackend.flush();
expect(response.data).toEqual('{{response} inner} outer');
});
});
});
describe('request interceptors', function() {
it('should pass request config as a promise', function() {
var run = false;
module(function($httpProvider) {
$httpProvider.interceptors.push(function() {
return {
request: function(config) {
expect(config.url).toEqual('/url');
expect(config.data).toEqual({one: "two"});
expect(config.headers.foo).toEqual('bar');
run = true;
return config;
}
};
});
});
inject(function($http, $httpBackend, $rootScope) {
$httpBackend.expect('POST', '/url').respond('');
$http({method: 'POST', url: '/url', data: {one: 'two'}, headers: {foo: 'bar'}});
$rootScope.$apply();
expect(run).toEqual(true);
});
});
it('should allow manipulation of request', function() {
module(function($httpProvider) {
$httpProvider.interceptors.push(function() {
return {
request: function(config) {
config.url = '/intercepted';
config.headers.foo = 'intercepted';
return config;
}
};
});
});
inject(function($http, $httpBackend, $rootScope) {
$httpBackend.expect('GET', '/intercepted', null, function(headers) {
return headers.foo === 'intercepted';
}).respond('');
$http.get('/url');
$rootScope.$apply();
});
});
it('should allow replacement of the headers object', function() {
module(function($httpProvider) {
$httpProvider.interceptors.push(function() {
return {
request: function(config) {
config.headers = {foo: 'intercepted'};
return config;
}
};
});
});
inject(function($http, $httpBackend, $rootScope) {
$httpBackend.expect('GET', '/url', null, function(headers) {
return angular.equals(headers, {foo: 'intercepted'});
}).respond('');
$http.get('/url');
$rootScope.$apply();
});
});
it('should reject the http promise if an interceptor fails', function() {
var reason = new Error('interceptor failed');
module(function($httpProvider) {
$httpProvider.interceptors.push(function($q) {
return {
request: function(promise) {
return $q.reject(reason);
}
};
});
});
inject(function($http, $httpBackend, $rootScope) {
var success = jasmine.createSpy(), error = jasmine.createSpy();
$http.get('/url').then(success, error);
$rootScope.$apply();
expect(success).not.toHaveBeenCalled();
expect(error).toHaveBeenCalledWith(reason);
});
});
it('should not manipulate the passed-in config', function() {
module(function($httpProvider) {
$httpProvider.interceptors.push(function() {
return {
request: function(config) {
config.url = '/intercepted';
config.headers.foo = 'intercepted';
return config;
}
};
});
});
inject(function($http, $httpBackend, $rootScope) {
var config = { method: 'get', url: '/url', headers: { foo: 'bar'} };
$httpBackend.expect('GET', '/intercepted').respond('');
$http.get('/url');
$rootScope.$apply();
expect(config.method).toEqual('get');
expect(config.url).toEqual('/url');
expect(config.headers.foo).toEqual('bar');
});
});
it('should support interceptors defined as services', function() {
module(function($provide, $httpProvider) {
$provide.factory('myInterceptor', function() {
return {
request: function(config) {
config.url = '/intercepted';
return config;
}
};
});
$httpProvider.interceptors.push('myInterceptor');
});
inject(function($http, $httpBackend, $rootScope) {
$httpBackend.expect('POST', '/intercepted').respond('');
$http.post('/url');
$rootScope.$apply();
});
});
it('should support complex interceptors based on promises', function() {
module(function($provide, $httpProvider) {
$provide.factory('myInterceptor', function($q, $rootScope) {
return {
request: function(config) {
return $q.when('/intercepted').then(function(intercepted) {
config.url = intercepted;
return config;
});
}
};
});
$httpProvider.interceptors.push('myInterceptor');
});
inject(function($http, $httpBackend, $rootScope) {
$httpBackend.expect('POST', '/intercepted').respond('');
$http.post('/two');
$rootScope.$apply();
});
});
});
});
describe('the instance', function() {
var $httpBackend, $http, $rootScope;
beforeEach(inject(['$rootScope', function($rs) {
$rootScope = $rs;
spyOn($rootScope, '$apply').andCallThrough();
}]));
beforeEach(inject(['$httpBackend', '$http', function($hb, $h) {
$httpBackend = $hb;
$http = $h;
}]));
it('should throw error if the request configuration is not an object', inject(function($httpBackend, $http) {
expect(function() {
$http('/url');
}).toThrowMinErr('$http','badreq', 'Http request configuration must be an object. Received: /url');
}));
it('should send GET requests if no method specified', inject(function($httpBackend, $http) {
$httpBackend.expect('GET', '/url').respond('');
$http({url: '/url'});
}));
it('should do basic request', inject(function($httpBackend, $http) {
$httpBackend.expect('GET', '/url').respond('');
$http({url: '/url', method: 'GET'});
}));
it('should pass data if specified', inject(function($httpBackend, $http) {
$httpBackend.expect('POST', '/url', 'some-data').respond('');
$http({url: '/url', method: 'POST', data: 'some-data'});
}));
describe('params', function() {
it('should do basic request with params and encode', inject(function($httpBackend, $http) {
$httpBackend.expect('GET', '/url?a%3D=%3F%26&b=2').respond('');
$http({url: '/url', params: {'a=':'?&', b:2}, method: 'GET'});
}));
it('should merge params if url contains some already', inject(function($httpBackend, $http) {
$httpBackend.expect('GET', '/url?c=3&a=1&b=2').respond('');
$http({url: '/url?c=3', params: {a:1, b:2}, method: 'GET'});
}));
it('should jsonify objects in params map', inject(function($httpBackend, $http) {
$httpBackend.expect('GET', '/url?a=1&b=%7B%22c%22:3%7D').respond('');
$http({url: '/url', params: {a:1, b:{c:3}}, method: 'GET'});
}));
it('should expand arrays in params map', inject(function($httpBackend, $http) {
$httpBackend.expect('GET', '/url?a=1&a=2&a=3').respond('');
$http({url: '/url', params: {a: [1,2,3]}, method: 'GET'});
}));
it('should not encode @ in url params', function() {
//encodeURIComponent is too agressive and doesn't follow http://www.ietf.org/rfc/rfc3986.txt
//with regards to the character set (pchar) allowed in path segments
//so we need this test to make sure that we don't over-encode the params and break stuff
//like buzz api which uses @self
$httpBackend.expect('GET', '/Path?!do%26h=g%3Da+h&:bar=$baz@1').respond('');
$http({url: '/Path', params: {':bar': '$baz@1', '!do&h': 'g=a h'}, method: 'GET'});
});
it('should not add question mark when params is empty', function() {
$httpBackend.expect('GET', '/url').respond('');
$http({url: '/url', params: {}, method: 'GET'});
});
it('should not double quote dates', function() {
$httpBackend.expect('GET', '/url?date=2014-07-15T17:30:00.000Z').respond('');
$http({url: '/url', params: {date:new Date('2014-07-15T17:30:00.000Z')}, method: 'GET'});
});
});
describe('callbacks', function() {
it('should pass in the response object when a request is successful', function() {
$httpBackend.expect('GET', '/url').respond(207, 'my content', {'content-encoding': 'smurf'});
$http({url: '/url', method: 'GET'}).then(function(response) {
expect(response.data).toBe('my content');
expect(response.status).toBe(207);
expect(response.headers()).toEqual({'content-encoding': 'smurf'});
expect(response.config.url).toBe('/url');
callback();
});
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should pass statusText in response object when a request is successful', function() {
$httpBackend.expect('GET', '/url').respond(200, 'SUCCESS', {}, 'OK');
$http({url: '/url', method: 'GET'}).then(function(response) {
expect(response.statusText).toBe('OK');
callback();
});
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should pass statusText in response object when a request fails', function() {
$httpBackend.expect('GET', '/url').respond(404, 'ERROR', {}, 'Not Found');
$http({url: '/url', method: 'GET'}).then(null, function(response) {
expect(response.statusText).toBe('Not Found');
callback();
});
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should pass in the response object when a request failed', function() {
$httpBackend.expect('GET', '/url').respond(543, 'bad error', {'request-id': '123'});
$http({url: '/url', method: 'GET'}).then(null, function(response) {
expect(response.data).toBe('bad error');
expect(response.status).toBe(543);
expect(response.headers()).toEqual({'request-id': '123'});
expect(response.config.url).toBe('/url');
callback();
});
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
describe('success', function() {
it('should allow http specific callbacks to be registered via "success"', function() {
$httpBackend.expect('GET', '/url').respond(207, 'my content', {'content-encoding': 'smurf'});
$http({url: '/url', method: 'GET'}).success(function(data, status, headers, config) {
expect(data).toBe('my content');
expect(status).toBe(207);
expect(headers()).toEqual({'content-encoding': 'smurf'});
expect(config.url).toBe('/url');
callback();
});
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should return the original http promise', function() {
$httpBackend.expect('GET', '/url').respond(207, 'my content', {'content-encoding': 'smurf'});
var httpPromise = $http({url: '/url', method: 'GET'});
expect(httpPromise.success(callback)).toBe(httpPromise);
});
});
describe('error', function() {
it('should allow http specific callbacks to be registered via "error"', function() {
$httpBackend.expect('GET', '/url').respond(543, 'bad error', {'request-id': '123'});
$http({url: '/url', method: 'GET'}).error(function(data, status, headers, config) {
expect(data).toBe('bad error');
expect(status).toBe(543);
expect(headers()).toEqual({'request-id': '123'});
expect(config.url).toBe('/url');
callback();
});
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should return the original http promise', function() {
$httpBackend.expect('GET', '/url').respond(543, 'bad error', {'request-id': '123'});
var httpPromise = $http({url: '/url', method: 'GET'});
expect(httpPromise.error(callback)).toBe(httpPromise);
});
});
});
describe('response headers', function() {
it('should return single header', function() {
$httpBackend.expect('GET', '/url').respond('', {'date': 'date-val'});
callback.andCallFake(function(r) {
expect(r.headers('date')).toBe('date-val');
});
$http({url: '/url', method: 'GET'}).then(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should return null when single header does not exist', function() {
$httpBackend.expect('GET', '/url').respond('', {'Some-Header': 'Fake'});
callback.andCallFake(function(r) {
r.headers(); // we need that to get headers parsed first
expect(r.headers('nothing')).toBe(null);
});
$http({url: '/url', method: 'GET'}).then(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should return all headers as object', function() {
$httpBackend.expect('GET', '/url').respond('', {
'content-encoding': 'gzip',
'server': 'Apache'
});
callback.andCallFake(function(r) {
expect(r.headers()).toEqual({'content-encoding': 'gzip', 'server': 'Apache'});
});
$http({url: '/url', method: 'GET'}).then(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should return empty object for jsonp request', function() {
callback.andCallFake(function(r) {
expect(r.headers()).toEqual({});
});
$httpBackend.expect('JSONP', '/some').respond(200);
$http({url: '/some', method: 'JSONP'}).then(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
});
describe('response headers parser', function() {
/* global parseHeaders: false */
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');
});
it('should parse multiple values for the same header', function() {
expect(parseHeaders('key:value1\nkey:value2').key).toBe('value1, value2');
});
});
describe('request headers', function() {
it('should send custom headers', function() {
$httpBackend.expect('GET', '/url', undefined, function(headers) {
return headers['Custom'] == 'header';
}).respond('');
$http({url: '/url', method: 'GET', headers: {
'Custom': 'header'
}});
$httpBackend.flush();
});
it('should set default headers for GET request', function() {
$httpBackend.expect('GET', '/url', undefined, function(headers) {
return headers['Accept'] == 'application/json, text/plain, */*';
}).respond('');
$http({url: '/url', method: 'GET', headers: {}});
$httpBackend.flush();
});
it('should set default headers for POST request', function() {
$httpBackend.expect('POST', '/url', 'messageBody', function(headers) {
return headers['Accept'] == 'application/json, text/plain, */*' &&
headers['Content-Type'] == 'application/json;charset=utf-8';
}).respond('');
$http({url: '/url', method: 'POST', headers: {}, data: 'messageBody'});
$httpBackend.flush();
});
it('should set default headers for PUT request', function() {
$httpBackend.expect('PUT', '/url', 'messageBody', function(headers) {
return headers['Accept'] == 'application/json, text/plain, */*' &&
headers['Content-Type'] == 'application/json;charset=utf-8';
}).respond('');
$http({url: '/url', method: 'PUT', headers: {}, data: 'messageBody'});
$httpBackend.flush();
});
it('should set default headers for PATCH request', function() {
$httpBackend.expect('PATCH', '/url', 'messageBody', function(headers) {
return headers['Accept'] == 'application/json, text/plain, */*' &&
headers['Content-Type'] == 'application/json;charset=utf-8';
}).respond('');
$http({url: '/url', method: 'PATCH', headers: {}, data: 'messageBody'});
$httpBackend.flush();
});
it('should set default headers for custom HTTP method', function() {
$httpBackend.expect('FOO', '/url', undefined, function(headers) {
return headers['Accept'] == 'application/json, text/plain, */*';
}).respond('');
$http({url: '/url', method: 'FOO', headers: {}});
$httpBackend.flush();
});
it('should override default headers with custom', function() {
$httpBackend.expect('POST', '/url', 'messageBody', function(headers) {
return headers['Accept'] == 'Rewritten' &&
headers['Content-Type'] == 'Rewritten';
}).respond('');
$http({url: '/url', method: 'POST', data: 'messageBody', headers: {
'Accept': 'Rewritten',
'Content-Type': 'Rewritten'
}});
$httpBackend.flush();
});
it('should delete default headers if custom header function returns null', function() {
$httpBackend.expect('POST', '/url', 'messageBody', function(headers) {
return !('Accept' in headers);
}).respond('');
$http({url: '/url', method: 'POST', data: 'messageBody', headers: {
'Accept': function() { return null; }
}});
$httpBackend.flush();
});
it('should override default headers with custom in a case insensitive manner', function() {
$httpBackend.expect('POST', '/url', 'messageBody', function(headers) {
return headers['accept'] == 'Rewritten' &&
headers['content-type'] == 'Content-Type Rewritten' &&
headers['Accept'] === undefined &&
headers['Content-Type'] === undefined;
}).respond('');
$http({url: '/url', method: 'POST', data: 'messageBody', headers: {
'accept': 'Rewritten',
'content-type': 'Content-Type Rewritten'
}});
$httpBackend.flush();
});
it('should not set XSRF cookie for cross-domain requests', inject(function($browser) {
$browser.cookies('XSRF-TOKEN', 'secret');
$browser.url('http://host.com/base');
$httpBackend.expect('GET', 'http://www.test.com/url', undefined, function(headers) {
return headers['X-XSRF-TOKEN'] === undefined;
}).respond('');
$http({url: 'http://www.test.com/url', method: 'GET', headers: {}});
$httpBackend.flush();
}));
it('should not send Content-Type header if request data/body is undefined', function() {
$httpBackend.expect('POST', '/url', undefined, function(headers) {
return !headers.hasOwnProperty('Content-Type');
}).respond('');
$httpBackend.expect('POST', '/url2', undefined, function(headers) {
return !headers.hasOwnProperty('content-type');
}).respond('');
$http({url: '/url', method: 'POST'});
$http({url: '/url2', method: 'POST', headers: {'content-type': 'Rewritten'}});
$httpBackend.flush();
});
it('should NOT delete Content-Type header if request data/body is set by request transform', function() {
$httpBackend.expect('POST', '/url', {'one': 'two'}, function(headers) {
return headers['Content-Type'] == 'application/json;charset=utf-8';
}).respond('');
$http({
url: '/url',
method: 'POST',
transformRequest: function(data) {
data = {'one': 'two'};
return data;
}
});
$httpBackend.flush();
});
it('should set the XSRF cookie into a XSRF header', inject(function($browser) {
function checkXSRF(secret, header) {
return function(headers) {
return headers[header || 'X-XSRF-TOKEN'] == secret;
};
}
$browser.cookies('XSRF-TOKEN', 'secret');
$browser.cookies('aCookie', 'secret2');
$httpBackend.expect('GET', '/url', undefined, checkXSRF('secret')).respond('');
$httpBackend.expect('POST', '/url', undefined, checkXSRF('secret')).respond('');
$httpBackend.expect('PUT', '/url', undefined, checkXSRF('secret')).respond('');
$httpBackend.expect('DELETE', '/url', undefined, checkXSRF('secret')).respond('');
$httpBackend.expect('GET', '/url', undefined, checkXSRF('secret', 'aHeader')).respond('');
$httpBackend.expect('GET', '/url', undefined, checkXSRF('secret2')).respond('');
$http({url: '/url', method: 'GET'});
$http({url: '/url', method: 'POST', headers: {'S-ome': 'Header'}});
$http({url: '/url', method: 'PUT', headers: {'Another': 'Header'}});
$http({url: '/url', method: 'DELETE', headers: {}});
$http({url: '/url', method: 'GET', xsrfHeaderName: 'aHeader'});
$http({url: '/url', method: 'GET', xsrfCookieName: 'aCookie'});
$httpBackend.flush();
}));
it('should send execute result if header value is function', inject(function() {
var headerConfig = {'Accept': function() { return 'Rewritten'; }};
function checkHeaders(headers) {
return headers['Accept'] == 'Rewritten';
}
$httpBackend.expect('GET', '/url', undefined, checkHeaders).respond('');
$httpBackend.expect('POST', '/url', undefined, checkHeaders).respond('');
$httpBackend.expect('PUT', '/url', undefined, checkHeaders).respond('');
$httpBackend.expect('PATCH', '/url', undefined, checkHeaders).respond('');
$httpBackend.expect('DELETE', '/url', undefined, checkHeaders).respond('');
$http({url: '/url', method: 'GET', headers: headerConfig});
$http({url: '/url', method: 'POST', headers: headerConfig});
$http({url: '/url', method: 'PUT', headers: headerConfig});
$http({url: '/url', method: 'PATCH', headers: headerConfig});
$http({url: '/url', method: 'DELETE', headers: headerConfig});
$httpBackend.flush();
}));
it('should check the cache before checking the XSRF cookie', inject(function($browser, $cacheFactory) {
var testCache = $cacheFactory('testCache'),
executionOrder = [];
spyOn($browser, 'cookies').andCallFake(function() {
executionOrder.push('cookies');
return {'XSRF-TOKEN':'foo'};
});
spyOn(testCache, 'get').andCallFake(function() {
executionOrder.push('cache');
});
$httpBackend.expect('GET', '/url', undefined).respond('');
$http({url: '/url', method: 'GET', cache: testCache});
$httpBackend.flush();
expect(executionOrder).toEqual(['cache', 'cookies']);
}));
});
describe('short methods', function() {
function checkHeader(name, value) {
return function(headers) {
return headers[name] == value;
};
}
it('should have get()', function() {
$httpBackend.expect('GET', '/url').respond('');
$http.get('/url');
});
it('get() should allow config param', function() {
$httpBackend.expect('GET', '/url', undefined, checkHeader('Custom', 'Header')).respond('');
$http.get('/url', {headers: {'Custom': 'Header'}});
});
it('should handle empty response header', function() {
$httpBackend.expect('GET', '/url', undefined)
.respond(200, '', { 'Custom-Empty-Response-Header': '', 'Constructor': '' });
$http.get('/url').success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[2]('custom-empty-response-Header')).toBe('');
expect(callback.mostRecentCall.args[2]('ToString')).toBe(null);
expect(callback.mostRecentCall.args[2]('Constructor')).toBe('');
});
it('should have delete()', function() {
$httpBackend.expect('DELETE', '/url').respond('');
$http['delete']('/url');
});
it('delete() should allow config param', function() {
$httpBackend.expect('DELETE', '/url', undefined, checkHeader('Custom', 'Header')).respond('');
$http['delete']('/url', {headers: {'Custom': 'Header'}});
});
it('should have head()', function() {
$httpBackend.expect('HEAD', '/url').respond('');
$http.head('/url');
});
it('head() should allow config param', function() {
$httpBackend.expect('HEAD', '/url', undefined, checkHeader('Custom', 'Header')).respond('');
$http.head('/url', {headers: {'Custom': 'Header'}});
});
it('should have post()', function() {
$httpBackend.expect('POST', '/url', 'some-data').respond('');
$http.post('/url', 'some-data');
});
it('post() should allow config param', function() {
$httpBackend.expect('POST', '/url', 'some-data', checkHeader('Custom', 'Header')).respond('');
$http.post('/url', 'some-data', {headers: {'Custom': 'Header'}});
});
it('should have put()', function() {
$httpBackend.expect('PUT', '/url', 'some-data').respond('');
$http.put('/url', 'some-data');
});
it('put() should allow config param', function() {
$httpBackend.expect('PUT', '/url', 'some-data', checkHeader('Custom', 'Header')).respond('');
$http.put('/url', 'some-data', {headers: {'Custom': 'Header'}});
});
it('should have patch()', function() {
$httpBackend.expect('PATCH', '/url', 'some-data').respond('');
$http.patch('/url', 'some-data');
});
it('patch() should allow config param', function() {
$httpBackend.expect('PATCH', '/url', 'some-data', checkHeader('Custom', 'Header')).respond('');
$http.patch('/url', 'some-data', {headers: {'Custom': 'Header'}});
});
it('should have jsonp()', function() {
$httpBackend.expect('JSONP', '/url').respond('');
$http.jsonp('/url');
});
it('jsonp() should allow config param', function() {
$httpBackend.expect('JSONP', '/url', undefined, checkHeader('Custom', 'Header')).respond('');
$http.jsonp('/url', {headers: {'Custom': 'Header'}});
});
});
describe('scope.$apply', function() {
it('should $apply after success callback', function() {
$httpBackend.when('GET').respond(200);
$http({method: 'GET', url: '/some'});
$httpBackend.flush();
expect($rootScope.$apply).toHaveBeenCalledOnce();
});
it('should $apply after error callback', function() {
$httpBackend.when('GET').respond(404);
$http({method: 'GET', url: '/some'});
$httpBackend.flush();
expect($rootScope.$apply).toHaveBeenCalledOnce();
});
it('should $apply even if exception thrown during callback', inject(function($exceptionHandler) {
$httpBackend.when('GET').respond(200);
callback.andThrow('error in callback');
$http({method: 'GET', url: '/some'}).then(callback);
$httpBackend.flush();
expect($rootScope.$apply).toHaveBeenCalledOnce();
$exceptionHandler.errors = [];
}));
});
describe('transformData', function() {
describe('request', function() {
describe('default', function() {
it('should transform object into json', function() {
$httpBackend.expect('POST', '/url', '{"one":"two"}').respond('');
$http({method: 'POST', url: '/url', data: {one: 'two'}});
});
it('should transform object with date into json', function() {
$httpBackend.expect('POST', '/url', {"date": new Date(Date.UTC(2013, 11, 25))}).respond('');
$http({method: 'POST', url: '/url', data: {date: new Date(Date.UTC(2013, 11, 25))}});
});
it('should ignore strings', function() {
$httpBackend.expect('POST', '/url', 'string-data').respond('');
$http({method: 'POST', url: '/url', data: 'string-data'});
});
it('should ignore File objects', function() {
var file = {
some: true,
// $httpBackend compares toJson values by default,
// we need to be sure it's not serialized into json string
test: function(actualValue) {
return this === actualValue;
}
};
// I'm really sorry for doing this :-D
// Unfortunatelly I don't know how to trick toString.apply(obj) comparison
spyOn(window, 'isFile').andReturn(true);
$httpBackend.expect('POST', '/some', file).respond('');
$http({method: 'POST', url: '/some', data: file});
});
});
it('should ignore Blob objects', function() {
if (!window.Blob) return;
var blob = new Blob(['blob!'], { type: 'text/plain' });
$httpBackend.expect('POST', '/url', '[object Blob]').respond('');
$http({ method: 'POST', url: '/url', data: blob });
});
it('should have access to request headers', function() {
$httpBackend.expect('POST', '/url', 'header1').respond(200);
$http.post('/url', 'req', {
headers: {h1: 'header1'},
transformRequest: function(data, headers) {
return headers('h1');
}
}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should pipeline more functions', function() {
function first(d, h) {return d + '-first' + ':' + h('h1');}
function second(d) {return uppercase(d);}
$httpBackend.expect('POST', '/url', 'REQ-FIRST:V1').respond(200);
$http.post('/url', 'req', {
headers: {h1: 'v1'},
transformRequest: [first, second]
}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
});
describe('response', function() {
describe('default', function() {
it('should deserialize json objects', function() {
$httpBackend.expect('GET', '/url').respond('{"foo":"bar","baz":23}');
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual({foo: 'bar', baz: 23});
});
it('should deserialize json arrays', function() {
$httpBackend.expect('GET', '/url').respond('[1, "abc", {"foo":"bar"}]');
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual([1, 'abc', {foo: 'bar'}]);
});
it('should deserialize json numbers when response header contains application/json',
function() {
$httpBackend.expect('GET', '/url').respond('123', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual(123);
});
it('should deserialize json strings when response header contains application/json',
function() {
$httpBackend.expect('GET', '/url').respond('"asdf"', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual('asdf');
});
it('should deserialize json nulls when response header contains application/json',
function() {
$httpBackend.expect('GET', '/url').respond('null', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual(null);
});
it('should deserialize json true when response header contains application/json',
function() {
$httpBackend.expect('GET', '/url').respond('true', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual(true);
});
it('should deserialize json false when response header contains application/json',
function() {
$httpBackend.expect('GET', '/url').respond('false', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual(false);
});
it('should deserialize json empty string when response header contains application/json',
function() {
$httpBackend.expect('GET', '/url').respond('""', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual('');
});
it('should deserialize json with security prefix', function() {
$httpBackend.expect('GET', '/url').respond(')]}\',\n[1, "abc", {"foo":"bar"}]');
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual([1, 'abc', {foo:'bar'}]);
});
it('should deserialize json with security prefix ")]}\'"', function() {
$httpBackend.expect('GET', '/url').respond(')]}\'\n\n[1, "abc", {"foo":"bar"}]');
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual([1, 'abc', {foo:'bar'}]);
});
it('should not attempt to deserialize json when HEAD request', function() {
//per http spec for Content-Type, HEAD request should return a Content-Type header
//set to what the content type would have been if a get was sent
$httpBackend.expect('HEAD', '/url').respond('', {'Content-Type': 'application/json'});
$http({method: 'HEAD', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual('');
});
it('should not attempt to deserialize json for an empty response whose header contains application/json', function() {
//per http spec for Content-Type, HEAD request should return a Content-Type header
//set to what the content type would have been if a get was sent
$httpBackend.expect('GET', '/url').respond('', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual('');
});
it('should not attempt to deserialize json for a blank response whose header contains application/json', function() {
//per http spec for Content-Type, HEAD request should return a Content-Type header
//set to what the content type would have been if a get was sent
$httpBackend.expect('GET', '/url').respond(' ', {'Content-Type': 'application/json'});
$http({method: 'GET', url: '/url'}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual(' ');
});
it('should not deserialize tpl beginning with ng expression', function() {
$httpBackend.expect('GET', '/url').respond('{{some}}');
$http.get('/url').success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toEqual('{{some}}');
});
});
it('should have access to response headers', function() {
$httpBackend.expect('GET', '/url').respond(200, 'response', {h1: 'header1'});
$http.get('/url', {
transformResponse: function(data, headers) {
return headers('h1');
}
}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('header1');
});
it('should pipeline more functions', function() {
function first(d, h) {return d + '-first' + ':' + h('h1');}
function second(d) {return uppercase(d);}
$httpBackend.expect('POST', '/url').respond(200, 'resp', {h1: 'v1'});
$http.post('/url', '', {transformResponse: [first, second]}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('RESP-FIRST:V1');
});
});
});
describe('cache', function() {
var cache;
beforeEach(inject(function($cacheFactory) {
cache = $cacheFactory('testCache');
}));
function doFirstCacheRequest(method, respStatus, headers) {
$httpBackend.expect(method || 'GET', '/url').respond(respStatus || 200, 'content', headers);
$http({method: method || 'GET', url: '/url', cache: cache});
$httpBackend.flush();
}
it('should cache GET request when cache is provided', inject(function($rootScope) {
doFirstCacheRequest();
$http({method: 'get', url: '/url', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content');
}));
it('should cache JSONP request when cache is provided', inject(function($rootScope) {
$httpBackend.expect('JSONP', '/url?cb=JSON_CALLBACK').respond('content');
$http({method: 'JSONP', url: '/url?cb=JSON_CALLBACK', cache: cache});
$httpBackend.flush();
$http({method: 'JSONP', url: '/url?cb=JSON_CALLBACK', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content');
}));
it('should cache request when cache is provided and no method specified', function() {
doFirstCacheRequest();
$http({url: '/url', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content');
});
it('should not cache when cache is not provided', function() {
doFirstCacheRequest();
$httpBackend.expect('GET', '/url').respond();
$http({method: 'GET', url: '/url'});
});
it('should perform request when cache cleared', function() {
doFirstCacheRequest();
cache.removeAll();
$httpBackend.expect('GET', '/url').respond();
$http({method: 'GET', url: '/url', cache: cache});
});
it('should always call callback asynchronously', function() {
doFirstCacheRequest();
$http({method: 'get', url: '/url', cache: cache}).then(callback);
expect(callback).not.toHaveBeenCalled();
});
it('should not cache POST request', function() {
doFirstCacheRequest('POST');
$httpBackend.expect('POST', '/url').respond('content2');
$http({method: 'POST', url: '/url', cache: cache}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content2');
});
it('should not cache PUT request', function() {
doFirstCacheRequest('PUT');
$httpBackend.expect('PUT', '/url').respond('content2');
$http({method: 'PUT', url: '/url', cache: cache}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content2');
});
it('should not cache DELETE request', function() {
doFirstCacheRequest('DELETE');
$httpBackend.expect('DELETE', '/url').respond(206);
$http({method: 'DELETE', url: '/url', cache: cache}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
});
it('should not cache non 2xx responses', function() {
doFirstCacheRequest('GET', 404);
$httpBackend.expect('GET', '/url').respond('content2');
$http({method: 'GET', url: '/url', cache: cache}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content2');
});
it('should cache the headers as well', inject(function($rootScope) {
doFirstCacheRequest('GET', 200, {'content-encoding': 'gzip', 'server': 'Apache'});
callback.andCallFake(function(r, s, headers) {
expect(headers()).toEqual({'content-encoding': 'gzip', 'server': 'Apache'});
expect(headers('server')).toBe('Apache');
});
$http({method: 'GET', url: '/url', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
}));
it('should not share the cached headers object instance', inject(function($rootScope) {
doFirstCacheRequest('GET', 200, {'content-encoding': 'gzip', 'server': 'Apache'});
callback.andCallFake(function(r, s, headers) {
expect(headers()).toEqual(cache.get('/url')[2]);
expect(headers()).not.toBe(cache.get('/url')[2]);
});
$http({method: 'GET', url: '/url', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
}));
it('should cache status code as well', inject(function($rootScope) {
doFirstCacheRequest('GET', 201);
callback.andCallFake(function(r, status, h) {
expect(status).toBe(201);
});
$http({method: 'get', url: '/url', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
}));
it('should use cache even if second request was made before the first returned', function() {
$httpBackend.expect('GET', '/url').respond(201, 'fake-response');
callback.andCallFake(function(response, status, headers) {
expect(response).toBe('fake-response');
expect(status).toBe(201);
});
$http({method: 'GET', url: '/url', cache: cache}).success(callback);
$http({method: 'GET', url: '/url', cache: cache}).success(callback);
$httpBackend.flush();
expect(callback).toHaveBeenCalled();
expect(callback.callCount).toBe(2);
});
it('should allow the cached value to be an empty string', function() {
cache.put('/abc', '');
callback.andCallFake(function(response, status, headers) {
expect(response).toBe('');
expect(status).toBe(200);
});
$http({method: 'GET', url: '/abc', cache: cache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalled();
});
it('should default to status code 200 and empty headers if cache contains a non-array element',
inject(function($rootScope) {
cache.put('/myurl', 'simple response');
$http.get('/myurl', {cache: cache}).success(function(data, status, headers) {
expect(data).toBe('simple response');
expect(status).toBe(200);
expect(headers()).toEqual({});
callback();
});
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
})
);
describe('$http.defaults.cache', function() {
it('should be undefined by default', function() {
expect($http.defaults.cache).toBeUndefined();
});
it('should cache requests when no cache given in request config', function() {
$http.defaults.cache = cache;
// First request fills the cache from server response.
$httpBackend.expect('GET', '/url').respond(200, 'content');
$http({method: 'GET', url: '/url'}); // Notice no cache given in config.
$httpBackend.flush();
// Second should be served from cache, without sending request to server.
$http({method: 'get', url: '/url'}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content');
// Invalidate cache entry.
$http.defaults.cache.remove("/url");
// After cache entry removed, a request should be sent to server.
$httpBackend.expect('GET', '/url').respond(200, 'content');
$http({method: 'GET', url: '/url'});
$httpBackend.flush();
});
it('should have less priority than explicitly given cache', inject(function($cacheFactory) {
var localCache = $cacheFactory('localCache');
$http.defaults.cache = cache;
// Fill local cache.
$httpBackend.expect('GET', '/url').respond(200, 'content-local-cache');
$http({method: 'GET', url: '/url', cache: localCache});
$httpBackend.flush();
// Fill default cache.
$httpBackend.expect('GET', '/url').respond(200, 'content-default-cache');
$http({method: 'GET', url: '/url'});
$httpBackend.flush();
// Serve request from default cache when no local given.
$http({method: 'get', url: '/url'}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content-default-cache');
callback.reset();
// Serve request from local cache when it is given (but default filled too).
$http({method: 'get', url: '/url', cache: localCache}).success(callback);
$rootScope.$digest();
expect(callback).toHaveBeenCalledOnce();
expect(callback.mostRecentCall.args[0]).toBe('content-local-cache');
}));
it('should be skipped if {cache: false} is passed in request config', function() {
$http.defaults.cache = cache;
$httpBackend.expect('GET', '/url').respond(200, 'content');
$http({method: 'GET', url: '/url'});
$httpBackend.flush();
$httpBackend.expect('GET', '/url').respond();
$http({method: 'GET', url: '/url', cache: false});
$httpBackend.flush();
});
});
});
describe('timeout', function() {
it('should abort requests when timeout promise resolves', inject(function($q) {
var canceler = $q.defer();
$httpBackend.expect('GET', '/some').respond(200);
$http({method: 'GET', url: '/some', timeout: canceler.promise}).error(
function(data, status, headers, config) {
expect(data).toBeUndefined();
expect(status).toBe(0);
expect(headers()).toEqual({});
expect(config.url).toBe('/some');
callback();
});
$rootScope.$apply(function() {
canceler.resolve();
});
expect(callback).toHaveBeenCalled();
$httpBackend.verifyNoOutstandingExpectation();
$httpBackend.verifyNoOutstandingRequest();
}));
it('should reject promise when timeout promise resolves', inject(function($timeout) {
var onFulfilled = jasmine.createSpy('onFulfilled');
var onRejected = jasmine.createSpy('onRejected');
$httpBackend.expect('GET', '/some').respond(200);
$http({method: 'GET', url: '/some', timeout: $timeout(noop, 10)}).then(onFulfilled, onRejected);
$timeout.flush(100);
expect(onFulfilled).not.toHaveBeenCalled();
expect(onRejected).toHaveBeenCalledOnce();
}));
});
describe('pendingRequests', function() {
it('should be an array of pending requests', function() {
$httpBackend.when('GET').respond(200);
expect($http.pendingRequests.length).toBe(0);
$http({method: 'get', url: '/some'});
$rootScope.$digest();
expect($http.pendingRequests.length).toBe(1);
$httpBackend.flush();
expect($http.pendingRequests.length).toBe(0);
});
it('should update pending requests even when served from cache', inject(function($rootScope) {
$httpBackend.when('GET').respond(200);
$http({method: 'get', url: '/cached', cache: true});
$http({method: 'get', url: '/cached', cache: true});
$rootScope.$digest();
expect($http.pendingRequests.length).toBe(2);
$httpBackend.flush();
expect($http.pendingRequests.length).toBe(0);
$http({method: 'get', url: '/cached', cache: true});
spyOn($http.pendingRequests, 'push').andCallThrough();
$rootScope.$digest();
expect($http.pendingRequests.push).toHaveBeenCalledOnce();
$rootScope.$apply();
expect($http.pendingRequests.length).toBe(0);
}));
it('should remove the request before firing callbacks', function() {
$httpBackend.when('GET').respond(200);
$http({method: 'get', url: '/url'}).success(function() {
expect($http.pendingRequests.length).toBe(0);
});
$rootScope.$digest();
expect($http.pendingRequests.length).toBe(1);
$httpBackend.flush();
});
});
describe('defaults', function() {
it('should expose the defaults object at runtime', function() {
expect($http.defaults).toBeDefined();
$http.defaults.headers.common.foo = 'bar';
$httpBackend.expect('GET', '/url', undefined, function(headers) {
return headers['foo'] == 'bar';
}).respond('');
$http.get('/url');
$httpBackend.flush();
});
it('should have separate opbjects for defaults PUT and POST', function() {
expect($http.defaults.headers.post).not.toBe($http.defaults.headers.put);
expect($http.defaults.headers.post).not.toBe($http.defaults.headers.patch);
expect($http.defaults.headers.put).not.toBe($http.defaults.headers.patch);
});
});
});
it('should pass timeout, withCredentials and responseType', function() {
var $httpBackend = jasmine.createSpy('$httpBackend');
$httpBackend.andCallFake(function(m, u, d, c, h, timeout, withCredentials, responseType) {
expect(timeout).toBe(12345);
expect(withCredentials).toBe(true);
expect(responseType).toBe('json');
});
module(function($provide) {
$provide.value('$httpBackend', $httpBackend);
});
inject(function($http, $rootScope) {
$http({
method: 'GET',
url: 'some.html',
timeout: 12345,
withCredentials: true,
responseType: 'json'
});
$rootScope.$digest();
expect($httpBackend).toHaveBeenCalledOnce();
});
$httpBackend.verifyNoOutstandingExpectation = noop;
});
it('should use withCredentials from default', function() {
var $httpBackend = jasmine.createSpy('$httpBackend');
$httpBackend.andCallFake(function(m, u, d, c, h, timeout, withCredentials, responseType) {
expect(withCredentials).toBe(true);
});
module(function($provide) {
$provide.value('$httpBackend', $httpBackend);
});
inject(function($http, $rootScope) {
$http.defaults.withCredentials = true;
$http({
method: 'GET',
url: 'some.html',
timeout: 12345,
responseType: 'json'
});
$rootScope.$digest();
expect($httpBackend).toHaveBeenCalledOnce();
});
$httpBackend.verifyNoOutstandingExpectation = noop;
});
});
describe('$http with $applyAsync', function() {
var $http, $httpBackend, $rootScope, $browser, log;
beforeEach(module(function($httpProvider) {
$httpProvider.useApplyAsync(true);
}, provideLog));
beforeEach(inject(['$http', '$httpBackend', '$rootScope', '$browser', 'log', function(http, backend, scope, browser, logger) {
$http = http;
$httpBackend = backend;
$rootScope = scope;
$browser = browser;
spyOn($rootScope, '$apply').andCallThrough();
spyOn($rootScope, '$applyAsync').andCallThrough();
spyOn($rootScope, '$digest').andCallThrough();
spyOn($browser.defer, 'cancel').andCallThrough();
log = logger;
}]));
it('should schedule coalesced apply on response', function() {
var handler = jasmine.createSpy('handler');
$httpBackend.expect('GET', '/template1.html').respond(200, '<h1>Header!</h1>', {});
$http.get('/template1.html').then(handler);
// Ensure requests are sent
$rootScope.$digest();
$httpBackend.flush(null, false);
expect($rootScope.$applyAsync).toHaveBeenCalledOnce();
expect(handler).not.toHaveBeenCalled();
$browser.defer.flush();
expect(handler).toHaveBeenCalledOnce();
});
it('should combine multiple responses within short time frame into a single $apply', function() {
$httpBackend.expect('GET', '/template1.html').respond(200, '<h1>Header!</h1>', {});
$httpBackend.expect('GET', '/template2.html').respond(200, '<p>Body!</p>', {});
$http.get('/template1.html').then(log.fn('response 1'));
$http.get('/template2.html').then(log.fn('response 2'));
// Ensure requests are sent
$rootScope.$digest();
$httpBackend.flush(null, false);
expect(log).toEqual([]);
$browser.defer.flush();
expect(log).toEqual(['response 1', 'response 2']);
});
it('should handle pending responses immediately if a digest occurs on $rootScope', function() {
$httpBackend.expect('GET', '/template1.html').respond(200, '<h1>Header!</h1>', {});
$httpBackend.expect('GET', '/template2.html').respond(200, '<p>Body!</p>', {});
$httpBackend.expect('GET', '/template3.html').respond(200, '<p>Body!</p>', {});
$http.get('/template1.html').then(log.fn('response 1'));
$http.get('/template2.html').then(log.fn('response 2'));
$http.get('/template3.html').then(log.fn('response 3'));
// Ensure requests are sent
$rootScope.$digest();
// Intermediate $digest occurs before 3rd response is received, assert that pending responses
/// are handled
$httpBackend.flush(2);
expect(log).toEqual(['response 1', 'response 2']);
// Finally, third response is received, and a second coalesced $apply is started
$httpBackend.flush(null, false);
$browser.defer.flush();
expect(log).toEqual(['response 1', 'response 2', 'response 3']);
});
});