gitlab-org--gitlab-foss/spec/frontend/vuex_shared/bindings_spec.js

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import { shallowMount } from '@vue/test-utils';
import { mapComputed } from '~/vuex_shared/bindings';
describe('Binding utils', () => {
describe('mapComputed', () => {
const dummyComponent = {
computed: {
...mapComputed('foo', 'bar', ['baz']),
},
render() {
return null;
},
};
it('returns an object with keys equal to the last fn parameter ', () => {
const keyList = ['foo1', 'foo2'];
const result = mapComputed('foo', 'bar', keyList);
expect(Object.keys(result)).toEqual(keyList);
});
it('returned object has set and get function', () => {
const result = mapComputed('foo', 'bar', ['baz']);
expect(result.baz.set).toBeDefined();
expect(result.baz.get).toBeDefined();
});
it('set function invokes $store.dispatch', () => {
const context = shallowMount(dummyComponent, {
mocks: {
$store: {
dispatch: jest.fn(),
},
},
});
context.vm.baz = 'a';
expect(context.vm.$store.dispatch).toHaveBeenCalledWith('bar', { baz: 'a' });
});
it('get function returns $store.state[root][key]', () => {
const context = shallowMount(dummyComponent, {
mocks: {
$store: {
state: {
foo: {
baz: 1,
},
},
},
},
});
expect(context.vm.baz).toBe(1);
});
});
});