//option 1 

const insertDashes=(arr)=>arr.split("").join("-").replace('- -', ' ')


// option 2
// const insertDashes=(arr)=> {
// let str1 =arr.split("").join("-")
// return str1.concat(arr.split("-"," ")).replace("- -"," ")
// }




// }
/**
* Test Suite 
*/


describe('insertDashes()', () => {
    it('insert dashes in between chars', () => {
        // arrange
        const value = "aba caba";
        
        // act
        const result = insertDashes(value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe("a-b-a c-a-b-a");
    });
    it('insert dashes in between chars', () => {
        // arrange
        const value = "bobo hello";
        
        // act
        const result = insertDashes(value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe("b-o-b-o h-e-l-l-o");
    });
    it('insert dashes in between chars', () => {
        // arrange
        const value = "a";
        
        // act
        const result = insertDashes(value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe("a");
    });
    it('insert dashes in between chars', () => {
        // arrange
        const value = "a b";
        
        // act
        const result = insertDashes(value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe("a b");
    });
});