button-group.spec.js
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import { mount } from '@vue/test-utils'
import { BButtonGroup } from './button-group'
describe('button-group', () => {
it('has expected default structure', async () => {
const wrapper = mount(BButtonGroup)
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('btn-group')
expect(wrapper.classes().length).toBe(1)
expect(wrapper.attributes('role')).toBeDefined()
expect(wrapper.attributes('role')).toBe('group')
expect(wrapper.text()).toBe('')
wrapper.destroy()
})
it('should render default slot', async () => {
const wrapper = mount(BButtonGroup, {
slots: {
default: '<span>foobar</span>'
}
})
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('btn-group')
expect(wrapper.classes().length).toBe(1)
expect(wrapper.attributes('role')).toBeDefined()
expect(wrapper.attributes('role')).toBe('group')
expect(wrapper.find('span').exists()).toBe(true)
expect(wrapper.text()).toBe('foobar')
wrapper.destroy()
})
it('should apply vertical class', async () => {
const wrapper = mount(BButtonGroup, {
propsData: {
vertical: true
}
})
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('btn-group-vertical')
expect(wrapper.classes()).not.toContain('btn-group')
expect(wrapper.classes().length).toBe(1)
wrapper.destroy()
})
it('should apply size class', async () => {
const wrapper = mount(BButtonGroup, {
propsData: {
size: 'sm'
}
})
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('btn-group')
expect(wrapper.classes()).toContain('btn-group-sm')
expect(wrapper.classes().length).toBe(2)
wrapper.destroy()
})
it('should apply size class when vertical', async () => {
const wrapper = mount(BButtonGroup, {
propsData: {
size: 'sm',
vertical: true
}
})
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('btn-group-sm')
expect(wrapper.classes()).toContain('btn-group-vertical')
expect(wrapper.classes()).not.toContain('btn-group')
expect(wrapper.classes().length).toBe(2)
wrapper.destroy()
})
it('has custom role when aria-role prop set', async () => {
const wrapper = mount(BButtonGroup, {
propsData: {
ariaRole: 'foobar'
}
})
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('btn-group')
expect(wrapper.classes().length).toBe(1)
expect(wrapper.attributes('role')).toBeDefined()
expect(wrapper.attributes('role')).toBe('foobar')
wrapper.destroy()
})
})