79 lines
2.7 KiB
JavaScript
79 lines
2.7 KiB
JavaScript
import { shallowMount } from '@vue/test-utils';
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import { mapComputed } from '~/vuex_shared/bindings';
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describe('Binding utils', () => {
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describe('mapComputed', () => {
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const defaultArgs = [['baz'], 'bar', 'foo'];
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const createDummy = (mapComputedArgs = defaultArgs) => ({
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computed: {
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...mapComputed(...mapComputedArgs),
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},
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render() {
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return null;
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},
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});
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const mocks = {
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$store: {
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state: {
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baz: 2,
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foo: {
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baz: 1,
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},
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},
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getters: {
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getBaz: 'foo',
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},
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dispatch: jest.fn(),
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},
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};
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it('returns an object with keys equal to the first fn parameter ', () => {
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const keyList = ['foo1', 'foo2'];
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const result = mapComputed(keyList, 'foo', 'bar');
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expect(Object.keys(result)).toEqual(keyList);
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});
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it('returned object has set and get function', () => {
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const result = mapComputed(['baz'], 'foo', 'bar');
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expect(result.baz.set).toBeDefined();
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expect(result.baz.get).toBeDefined();
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});
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describe('set function', () => {
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it('invokes $store.dispatch', () => {
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const context = shallowMount(createDummy(), { mocks });
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context.vm.baz = 'a';
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expect(context.vm.$store.dispatch).toHaveBeenCalledWith('bar', { baz: 'a' });
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});
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it('uses updateFn in list object mode if updateFn exists', () => {
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const context = shallowMount(createDummy([[{ key: 'foo', updateFn: 'baz' }]]), { mocks });
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context.vm.foo = 'b';
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expect(context.vm.$store.dispatch).toHaveBeenCalledWith('baz', { foo: 'b' });
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});
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it('in list object mode defaults to defaultUpdateFn if updateFn do not exists', () => {
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const context = shallowMount(createDummy([[{ key: 'foo' }], 'defaultFn']), { mocks });
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context.vm.foo = 'c';
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expect(context.vm.$store.dispatch).toHaveBeenCalledWith('defaultFn', { foo: 'c' });
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});
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});
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describe('get function', () => {
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it('if root is set returns $store.state[root][key]', () => {
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const context = shallowMount(createDummy(), { mocks });
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expect(context.vm.baz).toBe(mocks.$store.state.foo.baz);
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});
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it('if root is not set returns $store.state[key]', () => {
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const context = shallowMount(createDummy([['baz'], 'bar']), { mocks });
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expect(context.vm.baz).toBe(mocks.$store.state.baz);
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});
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it('when using getters it invoke the appropriate getter', () => {
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const context = shallowMount(createDummy([[{ getter: 'getBaz', key: 'baz' }]]), { mocks });
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expect(context.vm.baz).toBe(mocks.$store.getters.getBaz);
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});
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});
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});
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});
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