mco*_*ham 6 unit-testing angularjs angularjs-directive karma-jasmine
我正在尝试对使用ngModel并遇到困难的指令进行单元测试.似乎我的指令的链接功能永远不会被调用...
这是我的指令代码:
coreModule.directive('coreUnit', ['$timeout', function ($timeout) {
return {
restrict: 'E',
require: '?ngModel',
template: "{{output}}",
link: function (scope, elem, attrs, ngModelCtrl) {
ngModelCtrl.$render = function () {
render(ngModelCtrl.$modelValue);
};
console.log("called");
function render(unit) {
if (unit) {
var output = '(' +
unit.numerator +
(unit.denominator == '' ? '' : '/') +
unit.denominator +
(unit.rate == 'NONE' || unit.rate == '' ? '' : '/' + unit.rate) +
')';
scope.output = output == '()' ? '' : output;
}
}
}
}
}]);
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这是我的测试规范:
describe('core', function () {
describe('coreUnitDirective', function () {
beforeEach(module('core'));
var scope,
elem;
var tpl = '<core-unit ng-model="myUnit"></core-unit>';
beforeEach(inject(function ($rootScope, $compile) {
scope = $rootScope.$new();
scope.myUnit = {};
elem = $compile(tpl)(scope);
scope.$digest();
}));
it('the unit should be empty', function () {
expect(elem.html()).toBe('');
});
it('should show (boe)', function () {
scope.myUnit = {
numerator: 'boe',
denominator: "",
rate: ""
};
scope.$digest();
expect(elem.html()).toContain('(boe)');
});
});
});
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控制台日志输出"被叫"永远不会发生,显然我的测试规范中的元素永远不会更新.
我究竟做错了什么??