/
inherit.spec.js
281 lines (248 loc) · 9 KB
/
inherit.spec.js
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modules.define('spec', ['inherit'], function(provide, inherit) {
describe('inherit', function() {
describe('instance', function() {
it('should be instance of class', function() {
var Cls = inherit({}),
instance = new Cls();
instance.should.be.instanceOf(Cls);
});
it('should be instance of all classes in hierarchy', function() {
var ClsA = inherit({}),
ClsB = inherit(ClsA, {}),
ClsC = inherit(ClsB, {}),
instance = new ClsC();
instance.should.be.instanceOf(ClsA);
instance.should.be.instanceOf(ClsB);
instance.should.be.instanceOf(ClsC);
});
it('should be instance of constructor return value', function() {
var ClsA = inherit({}),
ClsB = inherit({
__constructor : function() {
return new ClsA();
}
}),
instance = new ClsB();
instance.should.be.instanceOf(ClsA);
instance.should.not.be.instanceOf(ClsB);
});
it('instance should have properties from constructor', function() {
var Cls = inherit({
__constructor : function() {
this._p1 = 'v1';
this._p2 = 'v2';
}
}),
instance = new Cls();
instance._p1.should.be.equal('v1');
instance._p2.should.be.equal('v2');
});
it('"__self" property should be pointed to class', function() {
var Cls = inherit({}),
instance = new Cls();
instance.__self.should.be.equal(Cls);
});
it('should override methods of base class', function() {
var ClsA = inherit({
method1 : function() {
return 'A1';
},
method2 : function() {
return 'A2';
}
}),
ClsB = inherit(ClsA, {
method1 : function() {
return 'B1';
}
}),
ClsC = inherit(ClsB, {
method2 : function() {
return 'C2';
}
}),
instance = new ClsC();
instance.method1().should.be.equal('B1');
instance.method2().should.be.equal('C2');
});
it('__base should call methods of base class', function() {
var ClsA = inherit({
method1 : function() {
return 'A1';
},
method2 : function() {
return 'A2';
}
}),
ClsB = inherit(ClsA, {
method1 : function() {
return this.__base() + 'B1';
}
}),
ClsC = inherit(ClsB, {
method1 : function() {
return this.__base() + 'C1';
},
method2 : function() {
return this.__base() + 'C2';
}
}),
instance = new ClsC();
instance.method1().should.be.equal('A1B1C1');
instance.method2().should.be.equal('A2C2');
});
});
describe('static', function() {
it('properties should be assigned', function() {
var Cls = inherit({}, {
method : function() {
return 'method';
},
prop : 'val'
});
Cls.method().should.be.equal('method');
Cls.prop.should.be.equal('val');
});
it('properties should override properties of base class', function() {
var ClsA = inherit({}, {
method1 : function() {
return 'A1';
},
method2 : function() {
return 'A2';
}
}),
ClsB = inherit(ClsA, {}, {
method1 : function() {
return 'B1';
}
}),
ClsC = inherit(ClsB, {}, {
method2 : function() {
return 'C2';
}
});
ClsC.method1().should.be.equal('B1');
ClsC.method2().should.be.equal('C2');
});
it('__base should call methods of base class', function() {
var ClsA = inherit({}, {
method1 : function() {
return 'A1';
},
method2 : function() {
return 'A2';
}
}),
ClsB = inherit(ClsA, {}, {
method1 : function() {
return this.__base() + 'B1';
}
}),
ClsC = inherit(ClsB, {}, {
method1 : function() {
return this.__base() + 'C1';
},
method2 : function() {
return this.__base() + 'C2';
}
});
ClsC.method1().should.be.equal('A1B1C1');
ClsC.method2().should.be.equal('A2C2');
});
});
describe('mixin', function() {
it('properties should be assigned', function() {
var ClsA = inherit({
method : function() {
return 'method';
}
}),
Mix1 = inherit({
method1 : function() {
return 'mix1method';
}
}),
Mix2 = inherit({
method2 : function() {
return 'mix2method';
}
}),
ClsB = inherit([ClsA, Mix1, Mix2]),
instance = new ClsB();
instance.method().should.be.equal('method');
instance.method1().should.be.equal('mix1method');
instance.method2().should.be.equal('mix2method');
});
it('static properties should be assigned', function() {
var ClsA = inherit({}, {
method : function() {
return 'method';
}
}),
Mix1 = inherit({}, {
method1 : function() {
return 'mix1method';
}
}),
Mix2 = inherit({}, {
method2 : function() {
return 'mix2method';
}
}),
ClsB = inherit([ClsA, Mix1, Mix2]);
ClsB.method().should.be.equal('method');
ClsB.method1().should.be.equal('mix1method');
ClsB.method2().should.be.equal('mix2method');
});
it('__base should call methods of previous object', function() {
var ClsA = inherit({
method : function() {
return 'methodA';
}
}),
Mix1 = inherit({
method : function() {
return this.__base() + '_mix1method';
}
}),
Mix2 = inherit({
method : function() {
return this.__base() + '_mix2method';
}
}),
ClsB = inherit([ClsA, Mix1, Mix2], {
method : function() {
return this.__base() + '_methodB';
}
}),
instance = new ClsB();
instance.method().should.be.equal('methodA_mix1method_mix2method_methodB');
});
it('__base in static methods should call methods of previous object', function() {
var ClsA = inherit(null, {
method : function() {
return 'methodA';
}
}),
Mix1 = inherit(null, {
method : function() {
return this.__base() + '_mix1method';
}
}),
Mix2 = inherit(null, {
method : function() {
return this.__base() + '_mix2method';
}
}),
ClsB = inherit([ClsA, Mix1, Mix2], null, {
method : function() {
return this.__base() + '_methodB';
}
});
ClsB.method().should.be.equal('methodA_mix1method_mix2method_methodB');
});
});
});
provide();
});