Jakub Zych
a4dca42d77
- node --test over routes, client (fake fetcher, include_empty=1), pagination, htmlGate (Go FormatHTML parity cases), sitemap, seo and pl/en i18n parity - package script test and a Testing line in the README
48 lines
1.7 KiB
TypeScript
48 lines
1.7 KiB
TypeScript
// ?page=N parsing, out-of-range detection and the page window.
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import { test } from 'node:test'
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import assert from 'node:assert/strict'
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import { pageOutOfRange, paginationWindow, parsePageParam } from '../app/utils/pagination.ts'
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test('a missing page is page 1', () => {
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assert.equal(parsePageParam(undefined), 1)
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assert.equal(parsePageParam(null), 1)
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})
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test('a string of digits above 0 is that page', () => {
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assert.equal(parsePageParam('1'), 1)
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assert.equal(parsePageParam('2'), 2)
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assert.equal(parsePageParam('017'), 17)
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})
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test('anything else is a 404 (null)', () => {
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for (const raw of ['0', '-1', '1.5', 'abc', '', ' 2', '2 ', '1e3', '0x2', '99999999999999999999']) {
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assert.equal(parsePageParam(raw), null, JSON.stringify(raw))
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}
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assert.equal(parsePageParam(['2']), null)
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assert.equal(parsePageParam(2), null)
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})
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test('pageOutOfRange: past the last page only, page 1 never', () => {
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assert.equal(pageOutOfRange(3, 2), true)
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assert.equal(pageOutOfRange(2, 2), false)
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assert.equal(pageOutOfRange(1, 0), false)
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assert.equal(pageOutOfRange(1, 1), false)
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assert.equal(pageOutOfRange(2, 0), true)
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})
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test('paginationWindow centres on the current page', () => {
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assert.deepEqual(paginationWindow(5, 10), [3, 4, 5, 6, 7])
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})
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test('paginationWindow stays full width near either end', () => {
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assert.deepEqual(paginationWindow(1, 10), [1, 2, 3, 4, 5])
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assert.deepEqual(paginationWindow(10, 10), [6, 7, 8, 9, 10])
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assert.deepEqual(paginationWindow(9, 10, 3), [8, 9, 10])
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})
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test('paginationWindow clips to the page count and handles empty input', () => {
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assert.deepEqual(paginationWindow(1, 2), [1, 2])
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assert.deepEqual(paginationWindow(1, 0), [])
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assert.deepEqual(paginationWindow(1, 5, 0), [])
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})
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