Specta example

SpecBegin(UIImageViewAFNetworking)

describe(@"Category on UIImageView", ^{
    __block UIImageView *imageView;

    beforeEach(^{
        imageView = [[UIImageView alloc] init];
    });

    it(@"should return default serializer", ^{
        expect(imageView.imageResponseSerializer).notTo.beNil();
    });

    it(@"should return same serializer every time", ^{
        AFImageResponseSerializer *serializer1 = imageView.imageResponseSerializer;
        AFImageResponseSerializer *serializer2 = imageView.imageResponseSerializer;
        expect(serializer1).to.equal(serializer2);
    });

    it(@"should return same serializer from different instances", ^{
        AFImageResponseSerializer *serializer1 = [[[UIImageView alloc] init] imageResponseSerializer];
        AFImageResponseSerializer *serializer2 = [[[UIImageView alloc] init] imageResponseSerializer];
        expect(serializer1).to.equal(serializer2);
    });

    it(@"should return another seriliazer after assignment", ^{
        AFImageResponseSerializer *originalSeriliazer = imageView.imageResponseSerializer;
        imageView.imageResponseSerializer = [[AFImageResponseSerializer alloc] init];
        AFImageResponseSerializer *newSerlialiser = imageView.imageResponseSerializer;
        expect(originalSeriliazer).notTo.equal(newSerlialiser);
    });

    it(@"should return shared serializer after nil assigment", ^{
        UIImageView *anotherImageView = [[UIImageView alloc] init];
        anotherImageView.imageResponseSerializer = [[AFImageResponseSerializer alloc] init];
        anotherImageView.imageResponseSerializer = nil;
        expect(anotherImageView.imageResponseSerializer).to.equal(imageView.imageResponseSerializer);
    });
});