card-img-lazy.spec.js
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import { mount } from '@vue/test-utils'
import { BCardImgLazy } from './card-img-lazy'
describe('card-image', () => {
it('default has tag "img"', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25'
}
}
})
expect(wrapper.element.tagName).toBe('IMG')
expect(wrapper.attributes('src')).toBeDefined()
wrapper.destroy()
})
it('default does not have alt attribute', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25'
}
}
})
expect(wrapper.attributes('alt')).toBeUndefined()
wrapper.destroy()
})
it('default has attributes width and height set to 1', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25'
}
}
})
expect(wrapper.attributes('width')).toBeDefined()
expect(wrapper.attributes('width')).toBe('1')
expect(wrapper.attributes('height')).toBeDefined()
expect(wrapper.attributes('height')).toBe('1')
wrapper.destroy()
})
it('default has class "card-img"', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25'
}
}
})
expect(wrapper.classes()).toContain('card-img')
wrapper.destroy()
})
it('has class "card-img-top" when prop top=true', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
top: true
}
}
})
expect(wrapper.classes()).toContain('card-img-top')
wrapper.destroy()
})
it('has class "card-img-bottom" when prop bottom=true', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
bottom: true
}
}
})
expect(wrapper.classes()).toContain('card-img-bottom')
wrapper.destroy()
})
it('has class "card-img-top" when props top=true and bottom=true', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
top: true,
bottom: true
}
}
})
expect(wrapper.classes()).toContain('card-img-top')
wrapper.destroy()
})
it('has class "card-img-left" when prop left=true', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
left: true
}
}
})
expect(wrapper.classes()).toContain('card-img-left')
wrapper.destroy()
})
it('has class "card-img-right" when prop right=true', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
right: true
}
}
})
expect(wrapper.classes()).toContain('card-img-right')
wrapper.destroy()
})
it('has attribute alt when prop alt set', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
alt: 'image'
}
}
})
expect(wrapper.attributes('alt')).toBeDefined()
expect(wrapper.attributes('alt')).toBe('image')
wrapper.destroy()
})
it('has attribute alt when prop `alt` is empty', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
alt: ''
}
}
})
expect(wrapper.attributes('alt')).toBeDefined()
expect(wrapper.attributes('alt')).toBe('')
wrapper.destroy()
})
it('has attribute width when prop width set', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
width: '600'
}
}
})
expect(wrapper.attributes('width')).toBeDefined()
expect(wrapper.attributes('width')).toBe('600')
wrapper.destroy()
})
it('has attribute height when prop height set', async () => {
const wrapper = mount(BCardImgLazy, {
context: {
props: {
src: 'https://picsum.photos/600/300/?image=25',
height: '300'
}
}
})
expect(wrapper.attributes('height')).toBeDefined()
expect(wrapper.attributes('height')).toBe('300')
wrapper.destroy()
})
})