100 lines
3.4 KiB
JavaScript
100 lines
3.4 KiB
JavaScript
import { countDecimalPlaces, acceptPositiveIntegerOnly, truncateStringInTheMiddle } from '../../src/utils/utils'
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describe('countDecimalPlaces', () => {
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let testsValues = [
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{ value: '1.123', expected: 3 },
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{ value: '1.12', expected: 2 },
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{ value: '1.', expected: 0 },
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{ value: '1', expected: 0 },
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{ value: '.123', expected: 3 },
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{ value: 0.123, expected: 3 },
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{ value: '1e-3', expected: 3 },
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{ value: '1e-2', expected: 2 },
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{ value: '1.2e-2', expected: 3 },
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{ value: '1.e-2', expected: 2 },
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{ value: '1.23123e2', expected: 3 },
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{ value: '123.123e+2', expected: 1 },
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{ value: 123.123e2, expected: 1 },
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{ value: '.2e-2', expected: 3 },
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{ value: '1', expected: 0 },
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{ value: '123', expected: 0 },
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{ value: '0', expected: 0 },
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{ value: '-123', expected: 0 },
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{ value: 'abc', expected: 0 },
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{ value: 'e', expected: 0 },
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{ value: '', expected: 0 },
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{ value: null, expected: 0 },
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{ value: false, expected: 0 },
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{ value: undefined, expected: 0 }
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]
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testsValues.forEach(testCase => {
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it(`Should count decimals for ${testCase.value}`, () => {
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expect(countDecimalPlaces(testCase.value)).toBe(testCase.expected)
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})
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})
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})
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describe('acceptPositiveIntegerOnly', () => {
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let testsValues = [
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{ value: '', expected: '' },
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{ value: 'a', expected: '' },
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{ value: function() {}, expected: '' },
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{ value: undefined, expected: '' },
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{ value: false, expected: '' },
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{ value: 'e', expected: '' },
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{ value: '.', expected: '' },
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{ value: 'as123', expected: '' },
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{ value: '-123', expected: '' },
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{ value: '123', expected: '123' },
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{ value: '12e1', expected: '12' },
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{ value: 22 * 2, expected: '44' },
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{ value: 35.3 * 2, expected: '70' }
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]
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testsValues.forEach(testCase => {
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const action = testCase.expected === '' ? 'fail' : 'pass'
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it(`Should ${action} for '${testCase.value}'`, () => {
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expect(acceptPositiveIntegerOnly(testCase.value)).toBe(testCase.expected)
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})
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})
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})
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describe('truncateStringInTheMiddle', () => {
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let testsValues = [
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{
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value: '1111111111111111111111111111111111111111111111111111111111111111111111',
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expected: '111111111111111111111111...1111111111111111111111111'
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},
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{
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value: '11111111111111111111111111111111111111111111111111',
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expected: '11111111111111111111111111111111111111111111111111'
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},
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{
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value: '222222222222222222222222222222222222222222222222222',
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expected: '222222222222222222222222...2222222222222222222222222'
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},
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{
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value: '0x6f44df24c7ff88c99a94e9e488e31ba321c3bf10ac90770cfa94faa421c6c17e',
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expected: '0x6f44df24c7ff88c99a94e9...0ac90770cfa94faa421c6c17e'
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},
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{ value: 'a', expected: 'a' },
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{ value: undefined, expected: undefined },
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{ value: false, expected: false },
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{ value: 'e', expected: 'e' },
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{ value: '.', expected: '.' },
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{ value: 'as123', expected: 'as123' },
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{ value: '-123', expected: '-123' },
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{ value: '123', expected: '123' },
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{ value: '12e1', expected: '12e1' },
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{ value: 22 * 2, expected: 44 },
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{ value: 35.3 * 2, expected: 70.6 }
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]
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testsValues.forEach(testCase => {
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const action = testCase.expected === '' ? 'fail' : 'pass'
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it(`Should ${action} for '${testCase.value}'`, () => {
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expect(truncateStringInTheMiddle(testCase.value)).toBe(testCase.expected)
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})
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})
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})
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