AngularJS:指令限制:'E'阻止在Jasmine单元测试中调用元素click()事件

div*_*iv5 5 javascript unit-testing jasmine angularjs

这里有几个指令和单元测试.

这是第一个指令:

directive('myTestDirective', function() {
    return {
        link: function(scope, element, attrs) {
            element.on("click", function(e) {
            scope.clicked = true;
            console.log("clicked");
        }
    }
});
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单元测试:

describe('my test directive', function() {
    beforeEach(function() {
        .....
        inject($compile, $rootScope) {
            scope = $rootScope.$new();
            html = '<div my-test-directive></div>';
            elem = angular.element(html);
            compiled = $compile(elem);
            compiled(scope);
            scope.$digest();
        }
    });
    it('should set clicked to true when click() is called', function() {
        elem[0].click();
        expect(scope.clicked).toBe(true);
    });
});
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运行上述单元测试时,测试通过并clicked记录到控制台.

但是,请考虑restrict: E添加以下指令:

directive('myDirective', function() {
    return {
        restrict: 'E',
        link: function(scope, element, attrs) {
            element.on("click", function(e) {
            scope.clicked = true;
            console.log("clicked");
        }
    }
});
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单元测试:

describe('my directive', function() {
    beforeEach(function() {
        .....
        inject($compile, $rootScope) {
            scope = $rootScope.$new();
            html = '<my-directive></my-directive>';
            elem = angular.element(html);
            compiled = $compile(elem);
            compiled(scope);
            scope.$digest();
        }
    });
    it('should set clicked to true when click() is called', function() {
        elem[0].click();
        expect(scope.clicked).toBe(true);
    });
});
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此测试失败.clicked未记录到控制台.从调试中我可以看到绑定click()指令绑定的函数没有被执行.

如何继续使用restrict : 'E',同时仍保留在单元测试中模拟点击的功能?

更新:感谢Michal的傻瓜,我有它的工作.

我将inject()函数更改为:

inject(function($compile, $rootScope, $document) {
    scope = $rootScope.$new();
    html = '<my-test-directive-element></my-test-directive-element>';
    elem = angular.element(html);
    $compile(elem)(scope);
    scope.$digest();
});
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在此之后,单击使用restrict属性和限制元素工作.

Plukr在这里:http://plnkr.co/edit/fgcKrYUEyCJAyqc4jj7P

flo*_*bon 2

使用 jqLit​​e on('click') 并不是很 Angular 风格,我不认为它会被 Angular 摘要循环处理(因此,您在该回调中添加到范围的任何内容都不会在 DOM 中呈现,除非您手动进行)。您应该更喜欢使用内置的 ng-click 指令,因此 html 代码变为:

<my-directive ng-click="onClick()"></my-directive>
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和你的指令:

directive('myDirective', function() {
  return {
    restrict: 'E',
    link: function(scope, element, attrs) {
      scope.onClick = function() {
        scope.clicked = true;
        console.log("clicked");
      }
    }
  }
});
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