1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
import {
GlLoadingIcon,
GlSearchBoxByType,
GlDropdownItem,
GlIntersectionObserver,
} from '@gitlab/ui';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import { nextTick } from 'vue';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import createFlash from '~/flash';
import { IssuableType } from '~/issue_show/constants';
import { DEFAULT_DEBOUNCE_AND_THROTTLE_MS } from '~/lib/utils/constants';
import { DropdownVariant } from '~/vue_shared/components/sidebar/labels_select_widget/constants';
import DropdownContentsLabelsView from '~/vue_shared/components/sidebar/labels_select_widget/dropdown_contents_labels_view.vue';
import projectLabelsQuery from '~/vue_shared/components/sidebar/labels_select_widget/graphql/project_labels.query.graphql';
import LabelItem from '~/vue_shared/components/sidebar/labels_select_widget/label_item.vue';
import { mockConfig, workspaceLabelsQueryResponse } from './mock_data';
jest.mock('~/flash');
const localVue = createLocalVue();
localVue.use(VueApollo);
const localSelectedLabels = [
{
color: '#2f7b2e',
description: null,
id: 'gid://gitlab/ProjectLabel/2',
title: 'Label2',
},
];
describe('DropdownContentsLabelsView', () => {
let wrapper;
const successfulQueryHandler = jest.fn().mockResolvedValue(workspaceLabelsQueryResponse);
const findFirstLabel = () => wrapper.findAllComponents(GlDropdownItem).at(0);
const createComponent = ({
initialState = mockConfig,
queryHandler = successfulQueryHandler,
injected = {},
} = {}) => {
const mockApollo = createMockApollo([[projectLabelsQuery, queryHandler]]);
wrapper = shallowMount(DropdownContentsLabelsView, {
localVue,
apolloProvider: mockApollo,
provide: {
variant: DropdownVariant.Sidebar,
...injected,
},
propsData: {
...initialState,
localSelectedLabels,
issuableType: IssuableType.Issue,
},
stubs: {
GlSearchBoxByType,
},
});
};
afterEach(() => {
wrapper.destroy();
});
const findSearchInput = () => wrapper.findComponent(GlSearchBoxByType);
const findLabels = () => wrapper.findAllComponents(LabelItem);
const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
const findObserver = () => wrapper.findComponent(GlIntersectionObserver);
const findLabelsList = () => wrapper.find('[data-testid="labels-list"]');
const findNoResultsMessage = () => wrapper.find('[data-testid="no-results"]');
async function makeObserverAppear() {
await findObserver().vm.$emit('appear');
}
describe('when loading labels', () => {
it('renders disabled search input field', async () => {
createComponent();
await makeObserverAppear();
expect(findSearchInput().props('disabled')).toBe(true);
});
it('renders loading icon', async () => {
createComponent();
await makeObserverAppear();
expect(findLoadingIcon().exists()).toBe(true);
});
it('does not render labels list', async () => {
createComponent();
await makeObserverAppear();
expect(findLabelsList().exists()).toBe(false);
});
});
describe('when labels are loaded', () => {
beforeEach(async () => {
createComponent();
await makeObserverAppear();
await waitForPromises();
});
it('renders enabled search input field', async () => {
expect(findSearchInput().props('disabled')).toBe(false);
});
it('does not render loading icon', async () => {
expect(findLoadingIcon().exists()).toBe(false);
});
it('renders labels list', async () => {
expect(findLabelsList().exists()).toBe(true);
expect(findLabels()).toHaveLength(2);
});
});
it('when search returns 0 results', async () => {
createComponent({
queryHandler: jest.fn().mockResolvedValue({
data: {
workspace: {
labels: {
nodes: [],
},
},
},
}),
});
await makeObserverAppear();
findSearchInput().vm.$emit('input', '123');
await waitForPromises();
await nextTick();
expect(findNoResultsMessage().isVisible()).toBe(true);
});
it('calls `createFlash` when fetching labels failed', async () => {
createComponent({ queryHandler: jest.fn().mockRejectedValue('Houston, we have a problem!') });
await makeObserverAppear();
jest.advanceTimersByTime(DEFAULT_DEBOUNCE_AND_THROTTLE_MS);
await waitForPromises();
expect(createFlash).toHaveBeenCalled();
});
it('emits an `input` event on label click', async () => {
createComponent();
await makeObserverAppear();
await waitForPromises();
findFirstLabel().trigger('click');
expect(wrapper.emitted('input')[0][0]).toEqual(expect.arrayContaining(localSelectedLabels));
});
it('does not trigger query when component did not appear', () => {
createComponent();
expect(findLoadingIcon().exists()).toBe(false);
expect(findLabelsList().exists()).toBe(false);
expect(successfulQueryHandler).not.toHaveBeenCalled();
});
});
|
