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import Helper from '../../src/Helper'; |
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import InvalidInputError from '../../src/InvalidInputError'; |
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const TestCasesResult = [ |
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{ |
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description: '1 = 1', |
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number: 1, |
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propositions: 1, |
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expectedResult: '1', |
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}, |
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{ |
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description: '1 = 001', |
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number: 1, |
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propositions: 3, |
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expectedResult: '001', |
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}, |
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{ |
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description: '7 = 111', |
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number: 7, |
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propositions: 3, |
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expectedResult: '111', |
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}, |
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{ |
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description: '7 = 000111', |
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number: 7, |
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propositions: 6, |
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expectedResult: '000111', |
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}, |
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{ |
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description: '8 = 1000', |
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number: 8, |
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propositions: 1, |
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expectedResult: '1000', |
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}, |
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]; |
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describe.each(TestCasesResult)( |
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'Test dec2bin helper', |
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({ description, number, propositions, expectedResult }) => { |
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it(description, () => { |
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const result = Helper.dec2bin(number, propositions); |
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expect(result).toBe(expectedResult); |
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}); |
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} |
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); |
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describe('Test dec2bin helper', () => { |
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it('Test if the method returns the exception if you dont pass an number', () => { |
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function testWrongInput() { |
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Helper.dec2bin(null); |
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} |
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expect(testWrongInput).toThrowError(new Error('number isnt a number')); |
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expect(testWrongInput).toThrowError(InvalidInputError); |
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}); |
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}); |
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const ErrorTestCases = [ |
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{ |
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description: 'test number with a null value', |
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number: null, |
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propositions: 1, |
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expectedError: 'number isnt a number', |
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}, |
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{ |
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description: 'test number with a string', |
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number: 'not ok', |
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propositions: 1, |
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expectedError: 'number isnt a number', |
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}, |
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{ |
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description: 'test propositions with a null value', |
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number: 1, |
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propositions: null, |
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expectedError: 'propositions isnt a number', |
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}, |
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{ |
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description: 'test propositions with a string', |
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number: 1, |
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propositions: 'not ok', |
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expectedError: 'propositions isnt a number', |
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}, |
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]; |
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describe.each(ErrorTestCases)( |
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'Test dec2bin helper exception test', |
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({ description, number, propositions, expectedError }) => { |
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it(description, () => { |
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function testWrongInput() { |
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Helper.dec2bin(number, propositions); |
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} |
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expect(testWrongInput).toThrowError(new Error(expectedError)); |
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expect(testWrongInput).toThrowError(InvalidInputError); |
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}); |
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} |
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); |
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