vue test utils code example

Example 1: vue test utils emitted

// assert event has been emitted
expect(wrapper.emitted('foo')).toBeTruthy()

// assert event count
expect(wrapper.emitted('foo').length).toBe(2)

// assert event payload
expect(wrapper.emitted('foo')[1]).toEqual([123])

Example 2: vue test utils call component method

wrapper.vm.someFunc()