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86d333ee94
* chore: Switch to Node 20 + Vitest * chore: migrate to vitest mock functions * chore: code style (switch to prettier) * test: re-enable long-running test Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime! see #1193 * chore: code style * chore: fix failing tests * Updated Documentation in README.md * Update contribution guidelines to state usage of Prettier * fix: set prettier printWidth back to 80 * chore: apply updated code style automatically * fix: set prettier line endings to lf again * chore: apply updated code style automatically --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
import { FindMinIterator } from '../FindMinIterator'
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describe('FindMinIterator', () => {
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test('given empty array then min is undefined', () => {
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expect(FindMinIterator([])).toBeUndefined()
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})
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test('given single value array then min is found', () => {
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expect(FindMinIterator([1])).toBe(1)
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expect(FindMinIterator([-1])).toBe(-1)
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expect(FindMinIterator([0])).toBe(0)
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})
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test('given array then min is found', () => {
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expect(FindMinIterator([1, 2])).toBe(1)
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expect(FindMinIterator([-1, 10])).toBe(-1)
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expect(FindMinIterator([0, 100])).toBe(0)
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expect(FindMinIterator([100, 0])).toBe(0)
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expect(
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FindMinIterator([100, 50, 20, 0, -100, 0, 2, 30, 45, 99, 104, 23])
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).toBe(-100)
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})
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test('given empty generator then min is undefined', () => {
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const src = function* () {} // eslint-disable-line
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expect(FindMinIterator(src())).toBeUndefined()
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})
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test('given generator then min is found', () => {
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const src = function* () {
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// eslint-disable-line
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yield 1
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yield -1
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yield 0
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}
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expect(FindMinIterator(src())).toBe(-1)
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})
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test('given string generator then min string length is found', () => {
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const src = function* () {
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// eslint-disable-line
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yield 'abc'
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yield 'de'
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yield 'qwerty'
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}
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expect(FindMinIterator(src(), (_x) => _x.length)).toBe(2)
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})
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test('given array of objects then min accessor is found', () => {
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const array = [
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{ name: 'Item #1', price: 1.0 },
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{ name: 'Item #2', price: 0.0 },
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{ name: 'Item #3', price: -1.0 }
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]
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expect(FindMinIterator(array, (_x) => _x.price)).toBe(-1)
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expect(FindMinIterator(array, (_x) => _x.name)).toBe('Item #1')
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})
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})
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