carousel-slide.spec.js
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import { mount } from '@vue/test-utils'
import { BCarouselSlide } from './carousel-slide'
describe('carousel-slide', () => {
it('has expected default structure', async () => {
const wrapper = mount(BCarouselSlide)
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes().length).toBe(1)
expect(wrapper.classes()).toContain('carousel-item')
expect(wrapper.attributes('role')).toBeDefined()
expect(wrapper.attributes('role')).toBe('listitem')
wrapper.destroy()
})
it('does not have child "carousel-caption" by default', async () => {
const wrapper = mount(BCarouselSlide)
expect(wrapper.find('.carousel-caption').exists()).toBe(false)
wrapper.destroy()
})
it('does not have "img" by default', async () => {
const wrapper = mount(BCarouselSlide)
expect(wrapper.find('img').exists()).toBe(false)
wrapper.destroy()
})
it('does not have caption tag "h3" by default', async () => {
const wrapper = mount(BCarouselSlide)
expect(wrapper.find('h3').exists()).toBe(false)
wrapper.destroy()
})
it('does not have text tag "p" by default', async () => {
const wrapper = mount(BCarouselSlide)
expect(wrapper.find('p').exists()).toBe(false)
wrapper.destroy()
})
it('renders default slot inside "carousel-caption"', async () => {
const wrapper = mount(BCarouselSlide, {
slots: {
default: 'foobar'
}
})
expect(wrapper.find('.carousel-caption').exists()).toBe(true)
expect(wrapper.find('.carousel-caption').text()).toContain('foobar')
wrapper.destroy()
})
it('has caption tag "h3" when prop "caption" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
caption: 'foobar'
}
})
const content = wrapper.find('.carousel-caption')
expect(content.find('h3').exists()).toBe(true)
expect(content.find('h3').text()).toBe('foobar')
wrapper.destroy()
})
it('has text tag "p" when prop "text" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
text: 'foobar'
}
})
const content = wrapper.find('.carousel-caption')
expect(content.find('p').exists()).toBe(true)
expect(content.find('p').text()).toBe('foobar')
wrapper.destroy()
})
it('has custom content tag when prop "content-tag" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
contentTag: 'span'
},
slots: {
default: 'foobar'
}
})
expect(wrapper.find('.carousel-caption').exists()).toBe(true)
expect(wrapper.find('.carousel-caption').element.tagName).toBe('SPAN')
wrapper.destroy()
})
it('has display classes on "carousel-caption" when prop "content-visible-up" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
contentVisibleUp: 'lg'
},
slots: {
default: 'foobar'
}
})
expect(wrapper.find('.carousel-caption').exists()).toBe(true)
expect(wrapper.find('.carousel-caption').classes()).toContain('d-none')
expect(wrapper.find('.carousel-caption').classes()).toContain('d-lg-block')
expect(wrapper.find('.carousel-caption').classes().length).toBe(3)
wrapper.destroy()
})
it('does not have style "background" when prop "background" not set', async () => {
const wrapper = mount(BCarouselSlide)
expect(wrapper.attributes('style')).toBeUndefined()
wrapper.destroy()
})
it('has style "background" when prop "background" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
background: 'rgb(1, 2, 3)'
}
})
expect(wrapper.attributes('style')).toBeDefined()
expect(wrapper.attributes('style')).toContain('background:')
expect(wrapper.attributes('style')).toContain('rgb(')
wrapper.destroy()
})
it('has style background inherited from carousel parent', async () => {
const wrapper = mount(BCarouselSlide, {
provide: {
getBvCarousel: () => ({
background: 'rgb(1, 2, 3)'
})
}
})
expect(wrapper.attributes('style')).toBeDefined()
expect(wrapper.attributes('style')).toContain('background:')
expect(wrapper.attributes('style')).toContain('rgb(')
wrapper.destroy()
})
it('has custom caption tag when prop "caption-tag" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
captionTag: 'h1',
caption: 'foobar'
}
})
const content = wrapper.find('.carousel-caption')
expect(content.find('h1').exists()).toBe(true)
expect(content.find('h1').text()).toBe('foobar')
wrapper.destroy()
})
it('has custom text tag when prop "text-tag is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
textTag: 'span',
text: 'foobar'
}
})
const content = wrapper.find('.carousel-caption')
expect(content.find('span').exists()).toBe(true)
expect(content.find('span').text()).toBe('foobar')
wrapper.destroy()
})
it('has image when prop "img-src" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
imgSrc: 'https://picsum.photos/1024/480/?image=52'
}
})
expect(wrapper.find('img').exists()).toBe(true)
expect(wrapper.find('img').attributes('src')).toBeDefined()
expect(wrapper.find('img').attributes('src')).toBe('https://picsum.photos/1024/480/?image=52')
wrapper.destroy()
})
it('has image when prop "img-blank" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
imgBlank: true
}
})
expect(wrapper.find('img').exists()).toBe(true)
expect(wrapper.find('img').attributes('src')).toBeDefined()
expect(wrapper.find('img').attributes('src')).toContain('data:')
wrapper.destroy()
})
it('has image with "alt" attr when prop "img-alt" is set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
imgSrc: 'https://picsum.photos/1024/480/?image=52',
imgAlt: 'foobar'
}
})
expect(wrapper.find('img').exists()).toBe(true)
expect(wrapper.find('img').attributes('src')).toBeDefined()
expect(wrapper.find('img').attributes('alt')).toBeDefined()
expect(wrapper.find('img').attributes('alt')).toBe('foobar')
wrapper.destroy()
})
it('has image with "width" and "height" attrs when props "img-width" and "img-height" are set', async () => {
const wrapper = mount(BCarouselSlide, {
propsData: {
imgSrc: 'https://picsum.photos/1024/480/?image=52',
imgWidth: '1024',
imgHeight: '480'
}
})
expect(wrapper.find('img').exists()).toBe(true)
expect(wrapper.find('img').attributes('src')).toBeDefined()
expect(wrapper.find('img').attributes('width')).toBeDefined()
expect(wrapper.find('img').attributes('width')).toBe('1024')
expect(wrapper.find('img').attributes('height')).toBeDefined()
expect(wrapper.find('img').attributes('height')).toBe('480')
wrapper.destroy()
})
it('has image with "width" and "height" attrs inherited from carousel parent', async () => {
const wrapper = mount(BCarouselSlide, {
provide: {
// Mock carousel injection
getBvCarousel: () => ({
imgWidth: '1024',
imgHeight: '480'
})
},
propsData: {
imgSrc: 'https://picsum.photos/1024/480/?image=52'
}
})
expect(wrapper.find('img').exists()).toBe(true)
expect(wrapper.find('img').attributes('src')).toBeDefined()
expect(wrapper.find('img').attributes('width')).toBeDefined()
expect(wrapper.find('img').attributes('width')).toBe('1024')
expect(wrapper.find('img').attributes('height')).toBeDefined()
expect(wrapper.find('img').attributes('height')).toBe('480')
wrapper.destroy()
})
})