EmberJS 测试关系
测试关系
关系定义了模型如何相互关联。对于关系，您需要测试关系声明是否正确设置。
例子
<!DOCTYPE html>
<html>
<head>
<title>EmberJs Tesing Relationships</title>
<link href="https://code.jquery.com/qunit/qunit-git.css" rel="stylesheet" type="text/css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/3.0.1/handlebars.min.js"></script>
<script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>
<script src="https://builds.emberjs.com/tags/v1.10.0-beta.3/ember-template-compiler.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.10.0/ember.prod.js"></script>
<script src="https://code.jquery.com/qunit/qunit-1.18.0.js"></script>
<script src="https://rawgit.com/rwjblue/ember-qunit-builds/master/ember-qunit.js"></script>
<script src="https://builds.emberjs.com/release/ember.debug.js"></script>
<script src="https://builds.emberjs.com/beta/ember-data.js"></script>
</head>
<body>
<div id="qunit"> </div>
<div id="ember-testing"></div>
<script type="text/javascript">
//Creates an instance of Ember.Application and assign it to a global variable
App = Ember.Application.create();
//Create a subclass of 'DS.Model' for 'Car' model in the application
App.Car = DS.Model.extend();
App.Model = DS.Model.extend({
car: DS.belongsTo('car') //Use 'DS.belongsTo' to declare a one-to-one relationship between two models
});
//emq.globalize();
App.setupForTesting(); //This method is used to prepare the application for testing
App.rootElement = '#ember-testing'; //Ember.js applications's root element
//The 'DefaultResolver' defines the default lookup rules before consulting the container for registered items
setResolver(Ember.DefaultResolver.create({ namespace: App }));
//The 'moduleFor' helper is used to setup a test container
moduleForModel('model', 'Model model', {
needs: ['model:car']
});
test('car relationship', function() {
var Model = this.store().modelFor('model'); //Get the records loaded into the store
var relationship = Ember.get(Model, 'relationshipsByName').get('car'); //A map the keys which are the relationships of a model using 'relationshipsByName' property
//Check the values before we modify the post
equal(relationship.key, 'car');
equal(relationship.kind, 'belongsTo'); //Defines the value which is belongs to a particular model
});
</script>
</body>
</html>
输出
让我们执行以下步骤，看看上面的代码如何工作：
将上面的代码保存在testing_relationship.html文件中
在浏览器中打开此HTML文件。