NW | 25-ITP_Sep | Ahmad Hmedan | Sprint 3 | implement and rewrite tests#812
NW | 25-ITP_Sep | Ahmad Hmedan | Sprint 3 | implement and rewrite tests#812AhmadHmedann wants to merge 12 commits intoCodeYourFuture:mainfrom
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| if (numerator < 1) numerator = numerator * -1; | ||
| if (denominator < 1) denominator = Math.abs(denominator); |
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Why use different approaches to remove the negative sign from a number?
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I don't know if you want me to use an existing library or solve it manually.
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In real interview, developers are expected to explain their code and give a rational explanation why they do things in certain way.
Your code looks odd to me, that's why I raised the question.
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Thanks for your feedback. From now on, I’ll try to write my code as if I’m working.
| const convertTheStringtoNumber = Number(rank); | ||
| if (convertTheStringtoNumber >= 2 && convertTheStringtoNumber <= 10) { |
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In JavaScript, strings that represent valid numeric literals in the language can be safely
converted to equivalent numbers or parsed into a valid integers.
Do you want to recognize these string values as valid ranks?
To find out what these strings are, you can ask AI
What kinds of string values would make
Number(rank)evaluate to2in JS?
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Thanks, I’ve learned a new validation technique from your feedback.
| test("returns true for a negative proper fraction( absolute value of the numerator is less than the denominator)", () => { | ||
| expect(isProperFraction(-4, 7)).toEqual(true); | ||
| }); |
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When preparing tests, we should ensure the tests cover all possible cases (and maybe test multiple samples within each case to make the test more robust). Can you think of case(s) that should also be tested?
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| if (numerator < 1) numerator = Math.abs(numerator) ; | ||
| if (denominator < 1) denominator = Math.abs(denominator); |
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denominator < 0 is probably more expressive in the sense that it is closer to the definition of "negative number".
| test("returns false for a negative proper fraction( absolute value of the denominator is less than the numerator)", () => { | ||
| expect(isProperFraction(-7, 4)).toEqual(false); | ||
| }); |
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- -7/4 is considered a negative improper fraction.
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