diff options
Diffstat (limited to 'spec/frontend/helpers/keep_alive_component_helper_spec.js')
-rw-r--r-- | spec/frontend/helpers/keep_alive_component_helper_spec.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/spec/frontend/helpers/keep_alive_component_helper_spec.js b/spec/frontend/helpers/keep_alive_component_helper_spec.js new file mode 100644 index 00000000000..dcccc14f396 --- /dev/null +++ b/spec/frontend/helpers/keep_alive_component_helper_spec.js @@ -0,0 +1,32 @@ +import { mount } from '@vue/test-utils'; +import { keepAlive } from './keep_alive_component_helper'; + +const component = { + template: '<div>Test Component</div>', +}; + +describe('keepAlive', () => { + let wrapper; + + beforeEach(() => { + wrapper = mount(keepAlive(component)); + }); + + afterEach(() => { + wrapper.destroy(); + }); + + it('converts a component to a keep-alive component', async () => { + const { element } = wrapper.find(component); + + await wrapper.vm.deactivate(); + expect(wrapper.find(component).exists()).toBe(false); + + await wrapper.vm.activate(); + + // assert that when the component is destroyed and re-rendered, the + // newly rendered component has the reference to the old component + // (i.e. the old component was deactivated and activated) + expect(wrapper.find(component).element).toBe(element); + }); +}); |