bootstrap-vue/src/components/breadcrumb/breadcrumb-link.spec.js

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import { mount } from '@vue/test-utils'
import { BBreadcrumbLink } from './breadcrumb-link'

describe('breadcrumb-link', () => {
  it('has default classes and structure', async () => {
    const wrapper = mount(BBreadcrumbLink)
    expect(wrapper.is('a')).toBe(true)
    expect(wrapper.attributes('href')).toBeDefined()
    expect(wrapper.attributes('href')).toBe('#')
    expect(wrapper.classes().length).toBe(0)
    expect(wrapper.attributes('aria-current')).not.toBeDefined()
    expect(wrapper.text()).toBe('')
  })

  it('has content from default slot', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      slots: {
        default: 'foobar'
      }
    })
    expect(wrapper.text()).toBe('foobar')
  })

  it('has content from text prop', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      propsData: {
        text: 'foobar'
      }
    })
    expect(wrapper.text()).toBe('foobar')
  })

  it('has content from html prop', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      propsData: {
        html: 'foobar'
      }
    })
    expect(wrapper.text()).toBe('foobar')
  })

  it('has attribute aria-current when active', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      propsData: {
        active: true
      }
    })
    expect(wrapper.is('span')).toBe(true)
    expect(wrapper.attributes('href')).not.toBeDefined()
    expect(wrapper.attributes('aria-current')).toBe('location')
    expect(wrapper.classes().length).toBe(0)
  })

  it('has attribute aria-current with custom value when active', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      propsData: {
        active: true,
        ariaCurrent: 'foobar'
      }
    })
    expect(wrapper.is('span')).toBe(true)
    expect(wrapper.attributes('aria-current')).toBe('foobar')
    expect(wrapper.attributes('href')).not.toBeDefined()
    expect(wrapper.classes().length).toBe(0)
  })

  it('renders link when href is set', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      propsData: {
        href: '/foo/bar'
      }
    })
    expect(wrapper.is('a')).toBe(true)
    expect(wrapper.attributes('href')).toBeDefined()
    expect(wrapper.attributes('href')).toBe('/foo/bar')
    expect(wrapper.attributes('aria-current')).not.toBeDefined()
    expect(wrapper.classes().length).toBe(0)
  })

  it('does not render a link when href is set and active', async () => {
    const wrapper = mount(BBreadcrumbLink, {
      propsData: {
        active: true,
        href: '/foo/bar'
      }
    })
    expect(wrapper.is('span')).toBe(true)
    expect(wrapper.attributes('href')).not.toBeDefined()
    expect(wrapper.attributes('aria-current')).toBeDefined()
    expect(wrapper.attributes('aria-current')).toBe('location')
    expect(wrapper.classes().length).toBe(0)
  })
})