我有以下控制器:
export default function($scope, $state, $http) {
$scope.login = () => {
$scope.loginFailed = false;
const postReq: object = {
method: 'POST',
url: `/login`,
data: {},
}
try {
console.log('$scope.login');
const response = await $http(postReq);
console.log('login done');
console.log('$state.go');
$state.go('dashboard');
return true;
} catch(err) {
console.error(err);
$scope.loginFailed = true;
return false;
}
};
}
我正在尝试用茉莉花测试这种方法
it('change state to dashboard', async (done) => {
$httpBackend.expectPOST('/login', undefined).respond(201, { rmId: 123123 });
await $scope.login();
expect($state.current.name).toBe('dashboard');
});
我的测试结果如下:
日志:"$scope.登录" PhantomJS 2.1.1 (Mac OS X 0.0.0( $scope.登录更改状态到仪表板失败
现在看来,茉莉花并没有等待$http
电话完成。(当我在浏览器中手动测试它时,这工作正常(
有没有更好的方法来正确测试异步方法?
你不需要做等待。 你只需要在期望测试之前刷新后端模拟 您的登录功能必须像这样更改:
$scope.login = () => {
return new Promise((resolve, reject) => {
$scope.loginFailed = false;
const postReq = {
method: 'POST',
url: `/login`,
data: {},
}
const response = $http(postReq).then(
(success) => {
$state.go('dashboard');
resolve(true);
},
(error) => {
$scope.loginFailed = true;
reject(false);
});
});
};
和你的测试,如:
it('change state to dashboard', async (done) => {
const backendMock = $httpBackend;
backendMock.expectPOST('/login').respond(201, { rmId: 123123 });
$scope.login().then((response) => {
expect($state.current.name).toBe('dashboard');
done();
});
backendMock.flush();
});
在编写断言之前,您需要使用$httpBackend.flush();
。在expect
语句之前添加此行。它应该工作..