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112 lines
3.1 KiB
112 lines
3.1 KiB
import test from 'ava'
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import Chance from '../chance.js'
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import _ from 'lodash'
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const chance = new Chance()
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// chance.sentence()
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test('sentence() returns a random sentence', t => {
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_.times(1000, () => {
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let sentence = chance.sentence()
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t.true(_.isString(sentence))
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let len = sentence.split(' ').length
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t.true(len > 11)
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t.true(len < 19)
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})
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})
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test('sentence() will obey bounds', t => {
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_.times(1000, () => {
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let sentence = chance.sentence({ words: 5 })
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t.true(_.isString(sentence))
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t.is(sentence.split(' ').length, 5)
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t.true(/[a-zA-Z]+ [a-zA-Z]+ [a-zA-Z]+ [a-zA-Z]+ [a-zA-Z]+.?/m.test(sentence))
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})
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})
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// chance.syllable()
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test('syllable() returns a random syllable', t => {
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_.times(1000, () => {
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let syllable = chance.syllable()
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t.true(_.isString(syllable))
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t.true(syllable.length > 1)
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t.true(syllable.length < 4)
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})
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})
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test('syllable() obeys the capitalize option', t => {
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_.times(1000, () => {
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let syllable = chance.syllable({ capitalize: true })
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t.true(_.isString(syllable))
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t.true(syllable.length > 1)
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t.true(syllable.length < 4)
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t.true(/[A-Z]+/.test(syllable))
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})
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})
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// chance.word()
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test('word() returns a random word', t => {
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_.times(1000, () => {
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let word = chance.word()
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t.true(_.isString(word))
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t.true(word.length > 1)
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t.true(word.length < 10)
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})
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})
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test('word() obeys the capitalize option', t => {
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_.times(1000, () => {
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let word = chance.word({ capitalize: true })
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t.true(_.isString(word))
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t.true(word.length > 1)
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t.true(word.length < 10)
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t.true(word.charAt(0) === word.charAt(0).toUpperCase())
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})
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})
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test('word() can have a set number of syllables', t => {
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_.times(1000, () => {
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let word = chance.word({ syllables: 3 })
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t.true(_.isString(word))
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t.true(word.length > 5)
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t.true(word.length < 10)
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})
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})
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test('word() can have a set length', t => {
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_.times(1000, () => {
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let word = chance.word({ length: 5 })
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t.true(_.isString(word))
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t.is(word.length, 5)
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})
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})
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test('word() throws if both syllables and length specified', t => {
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const fn = () => chance.word({ syllables: 3, length: 20 })
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t.throws(fn, 'Chance: Cannot specify both syllables AND length.')
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})
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// chance.paragraph()
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test('paragraph() returns a random paragraph', t => {
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_.times(100, () => {
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let paragraph = chance.paragraph()
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t.true(_.isString(paragraph))
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let len = paragraph.split('.').length
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t.true(len > 2)
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t.true(len < 9)
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})
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})
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test('paragraph() will obey bounds', t => {
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_.times(100, () => {
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let paragraph = chance.paragraph({ sentences: 5 })
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t.true(_.isString(paragraph))
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// Have to account for the fact that the period at the end will add
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// to the count of sentences. This is the fault of our hackish way
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// of detecting sentences -- by splitting on '.'
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let len = paragraph.split('.').length
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t.is(len, 6)
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})
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})
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