Unit Test skeleton

WatchUnitTest.swift

 override func spec() {
        var watch : Watch!
  
        //Component (i.e., Watch Modal Data ) in test 
        describe("Watch Modal Data Tests"){
         
            //Preparation of data
            beforeEach {
                watch = Watch(name: "Men's Business Quartz Watch CAGNARY 6828", 
                              price: 11.69, brand: Brand(id: 6828, name: "CAGARNY"))
            }
         
            // state of test case to be verified.
            context("When Watch Model Data is available"){
             
             //Prepare brand data 
              beforeEach{
                     brandInformation = watch.brand
               }
             
               it("Watch Model data Validations ") {
                    //Data Validations
                    expect(watch.name).to(beAnInstanceOf(String.self))
                    expect(watch.name).to(contain("Men's Business Quartz Watch CAGNARY 6828"))
                    
                    expect(brandInformation.name).to(equal("CAGARNY"))
                    expect(brandInformation.name).to(beginWith("CAG"))
                    expect(brandInformation.name).toNot(beNil())
                
                    //type check
                    expect(watch).to(beAKindOf(Watch.self))
                    expect(watch).toNot(beAKindOf(Dummy.self)) 
                
                    //instance check
                    expect(watch).to(beAnInstanceOf(Watch.self))
                    expect(watch).toNot(beAnInstanceOf(Dummy.self))
                }
            }
        }
 }