Code coverage report for ./suites/core/ClassSpec.js

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All files » ./suites/core/ » ClassSpec.js
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describe("Class", function() {
 
	describe("#extend", function() {
		var Klass,
			constructor,
			method;
 
		beforeEach(function() {
			constructor = sinon.spy();
			method = sinon.spy();
 
			Klass = L.Class.extend({
				statics: {bla: 1},
				includes: {mixin: true},
 
				initialize: constructor,
				foo: 5,
				bar: method
			});
		});
 
		it("creates a class with the given constructor & properties", function() {
			var a = new Klass();
 
			expect(constructor.called).to.be.ok();
			expect(a.foo).to.eql(5);
 
			a.bar();
 
			expect(method.called).to.be.ok();
		});
 
		it("inherits parent classes' constructor & properties", function() {
			var Klass2 = Klass.extend({baz: 2});
 
			var b = new Klass2();
 
			expect(b instanceof Klass).to.be.ok();
			expect(b instanceof Klass2).to.be.ok();
 
			expect(constructor.called).to.be.ok();
			expect(b.baz).to.eql(2);
 
			b.bar();
 
			expect(method.called).to.be.ok();
		});
 
		it("supports static properties", function() {
			expect(Klass.bla).to.eql(1);
		});
 
		it("inherits parent static properties", function() {
			var Klass2 = Klass.extend({});
 
			expect(Klass2.bla).to.eql(1);
		});
 
		it("overrides parent static properties", function() {
			var Klass2 = Klass.extend({statics: {bla: 2}});
 
			expect(Klass2.bla).to.eql(2);
		});
 
		it("includes the given mixin", function() {
			var a = new Klass();
			expect(a.mixin).to.be.ok();
		});
 
		it("includes multiple mixins", function() {
			var Klass2 = L.Class.extend({
				includes: [{mixin: true}, {mixin2: true}]
			});
			var a = new Klass2();
 
			expect(a.mixin).to.be.ok();
			expect(a.mixin2).to.be.ok();
		});
 
		it("grants the ability to include the given mixin", function() {
			Klass.include({mixin2: true});
 
			var a = new Klass();
			expect(a.mixin2).to.be.ok();
		});
 
		it("merges options instead of replacing them", function() {
			var KlassWithOptions1 = L.Class.extend({
				options: {
					foo1: 1,
					foo2: 2
				}
			});
			var KlassWithOptions2 = KlassWithOptions1.extend({
				options: {
					foo2: 3,
					foo3: 4
				}
			});
 
			var a = new KlassWithOptions2();
 
			expect(a.options).to.eql({
				foo1: 1,
				foo2: 3,
				foo3: 4
			});
		});
 
		it("adds constructor hooks correctly", function () {
			var spy1 = sinon.spy();
 
			Klass.addInitHook(spy1);
			Klass.addInitHook('bar', 1, 2, 3);
 
			var a = new Klass();
 
			expect(spy1.called).to.be.ok();
			expect(method.calledWith(1, 2, 3));
		});
 
		it("inherits constructor hooks", function () {
			var spy1 = sinon.spy(),
				spy2 = sinon.spy();
 
			var Klass2 = Klass.extend({});
 
			Klass.addInitHook(spy1);
			Klass2.addInitHook(spy2);
 
			var a = new Klass2();
 
			expect(spy1.called).to.be.ok();
			expect(spy2.called).to.be.ok();
		});
 
		it("does not call child constructor hooks", function () {
			var spy1 = sinon.spy(),
				spy2 = sinon.spy();
 
			var Klass2 = Klass.extend({});
 
			Klass.addInitHook(spy1);
			Klass2.addInitHook(spy2);
 
			var a = new Klass();
 
			expect(spy1.called).to.be.ok();
			expect(spy2.called).to.eql(false);
		});
	});
 
	// TODO Class.include
 
	// TODO Class.mergeOptions
});