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53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
5 years ago
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import { Chapter, _privates } from '../src/Chapter.js'
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const { getNextBiggerNumber } = _privates
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describe('Chapter', function() {
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const demoText =
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'Hello World. Foo bar baz. Lorem ipsum dolor sit. Worttrennungsalgorithmus.'
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it('Iterates through segments', function() {
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let chapter = new Chapter(demoText, 7)
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let i = 1
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while (chapter.next()) i++
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expect(i).toBe(13)
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})
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it('Iterates through words', function() {
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let chapter = new Chapter(demoText, 7)
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let i = 1
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while (chapter.nextWord()) i++
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expect(i).toBe(10)
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})
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it('Iterates through sentences', function() {
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let chapter = new Chapter(demoText)
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let i = 1
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while (chapter.nextSentence()) i++
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expect(i).toBe(4)
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})
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it('Iterators return null on finish', function() {
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let chapter = new Chapter(demoText, 7)
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let cur
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while ((cur = chapter.next())) {}
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expect(cur).toBe(null)
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while ((cur = chapter.prev())) {}
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expect(cur).toBe(null)
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while ((cur = chapter.nextWord())) {}
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expect(cur).toBe(null)
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while ((cur = chapter.prevWord())) {}
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expect(cur).toBe(null)
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while ((cur = chapter.nextSentence())) {}
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expect(cur).toBe(null)
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while ((cur = chapter.prevSentence())) {}
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expect(cur).toBe(null)
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})
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})
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describe('nextBiggerNumber', function() {
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it('Returns a the next bigger number', function() {
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expect(getNextBiggerNumber(5, [1, 4, 6])).toBe(6)
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})
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})
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