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test.js
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test.js
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import VueOxford, { join } from './index.js'
import { mount, createLocalVue } from '@vue/test-utils'
const localVue = createLocalVue()
localVue.component('oxford', VueOxford)
function makeComponent(items) {
return {
data () {
return { items }
},
template: `
<div>
Some things are <oxford>
<span v-for="item of items">{{item}}</span>
</oxford>.
</div>
`
}
}
describe('VueOxford', () => {
it('renders one item', () => {
const Component = makeComponent(['good'])
const wrapper = mount(Component, {
localVue
})
expect(wrapper.text()).toEqual('Some things are good.')
})
it('renders two items', () => {
const Component = makeComponent(['good', 'bad'])
const wrapper = mount(Component, {
localVue
})
expect(wrapper.text()).toEqual('Some things are good and bad.')
})
it('renders three items', () => {
const Component = makeComponent(['good', 'bad', 'ugly'])
const wrapper = mount(Component, {
localVue
})
expect(wrapper.text()).toEqual('Some things are good, bad, and ugly.')
})
it('renders n items', () => {
const Component = makeComponent(['good', 'bad', 'ugly', 'red', 'blue', 'green'])
const wrapper = mount(Component, {
localVue
})
expect(wrapper.text()).toEqual('Some things are good, bad, ugly, red, blue, and green.')
})
it('renders no items', () => {
const Component = makeComponent([])
const wrapper = mount(Component, {
localVue
})
expect(wrapper.text()).toEqual('Some things are .')
})
it("doesn't consider comments or whitespace", () => {
const Component = {
template: `
<oxford>
<span>1</span>
<span>2</span>
<span>3</span><span>4</span>
<!-- This is a comment -->
<span>5</span>
</oxford>
`
}
const wrapper = mount(Component, {
localVue
})
expect(wrapper.text()).toEqual('1, 2, 3, 4, and 5')
})
})
describe('join', () => {
it('handles an empty array', () => {
expect(join()).toEqual('')
expect(join([])).toEqual('')
})
it('joins one item', () => {
expect(join(['red'])).toEqual('red')
})
it('joins two items', () => {
expect(join(['red', 'blue'])).toEqual('red and blue')
})
it('joins three items', () => {
expect(join(['red', 'blue', 'green'])).toEqual('red, blue, and green')
})
it('joins many items', () => {
expect(join(['red', 'blue', 'green', 'pink'])).toEqual('red, blue, green, and pink')
expect(join(['red', 'blue', 'green', 'pink', 'yellow', 'aqua'])).toEqual('red, blue, green, pink, yellow, and aqua')
})
it('joins with conjunction', () => {
expect(join([], 'or')).toEqual('')
expect(join(['red', 'blue'], 'or')).toEqual('red or blue')
expect(join(['red', 'blue', 'green'], 'or')).toEqual('red, blue, or green')
})
})