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 BaseComponent from '../../src/base-component.js'
import EventHandler from '../../src/dom/event-handler.js'
import { noop } from '../../src/util/index.js'
import { clearFixture, getFixture } from '../helpers/fixture.js'
class DummyClass extends BaseComponent {
constructor(element) {
super(element)
EventHandler.on(this._element, `click${DummyClass.EVENT_KEY}`, noop)
}
static get NAME() {
return 'dummy'
}
}
describe('Base Component', () => {
let fixtureEl
const name = 'dummy'
let element
let instance
const createInstance = () => {
fixtureEl.innerHTML = '<div id="foo"></div>'
element = fixtureEl.querySelector('#foo')
instance = new DummyClass(element)
}
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
})
describe('Static Methods', () => {
describe('VERSION', () => {
it('should return version', () => {
expect(DummyClass.VERSION).toEqual(jasmine.any(String))
})
})
describe('DATA_KEY', () => {
it('should return plugin data key', () => {
expect(DummyClass.DATA_KEY).toEqual(`bs.${name}`)
})
})
describe('NAME', () => {
it('should throw an Error if it is not initialized', () => {
expect(() => {
// eslint-disable-next-line no-unused-expressions
BaseComponent.NAME
}).toThrowError(Error)
})
it('should return plugin NAME', () => {
expect(DummyClass.NAME).toEqual(name)
})
})
describe('EVENT_KEY', () => {
it('should return plugin event key', () => {
expect(DummyClass.EVENT_KEY).toEqual(`.bs.${name}`)
})
})
})
describe('Public Methods', () => {
describe('constructor', () => {
it('should accept element, either passed as a CSS selector or DOM element', () => {
fixtureEl.innerHTML = [
'<div id="foo"></div>',
'<div id="bar"></div>'
].join('')
const el = fixtureEl.querySelector('#foo')
const elInstance = new DummyClass(el)
const selectorInstance = new DummyClass('#bar')
expect(elInstance._element).toEqual(el)
expect(selectorInstance._element).toEqual(fixtureEl.querySelector('#bar'))
})
it('should not initialize and add element record to Data (caching), if argument `element` is not an HTML element', () => {
fixtureEl.innerHTML = ''
const el = fixtureEl.querySelector('#foo')
const elInstance = new DummyClass(el)
const selectorInstance = new DummyClass('#bar')
expect(elInstance._element).not.toBeDefined()
expect(selectorInstance._element).not.toBeDefined()
})
})
describe('dispose', () => {
it('should dispose an component', () => {
createInstance()
expect(DummyClass.getInstance(element)).not.toBeNull()
instance.dispose()
expect(DummyClass.getInstance(element)).toBeNull()
expect(instance._element).toBeNull()
})
it('should de-register element event listeners', () => {
createInstance()
const spy = spyOn(EventHandler, 'off')
instance.dispose()
expect(spy).toHaveBeenCalledWith(element, DummyClass.EVENT_KEY)
})
})
describe('getInstance', () => {
it('should return an instance', () => {
createInstance()
expect(DummyClass.getInstance(element)).toEqual(instance)
expect(DummyClass.getInstance(element)).toBeInstanceOf(DummyClass)
})
it('should accept element, either passed as a CSS selector, jQuery element, or DOM element', () => {
createInstance()
expect(DummyClass.getInstance('#foo')).toEqual(instance)
expect(DummyClass.getInstance(element)).toEqual(instance)
const fakejQueryObject = {
0: element,
jquery: 'foo'
}
expect(DummyClass.getInstance(fakejQueryObject)).toEqual(instance)
})
it('should return null when there is no instance', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
expect(DummyClass.getInstance(div)).toBeNull()
})
})
describe('getOrCreateInstance', () => {
it('should return an instance', () => {
createInstance()
expect(DummyClass.getOrCreateInstance(element)).toEqual(instance)
expect(DummyClass.getInstance(element)).toEqual(DummyClass.getOrCreateInstance(element, {}))
expect(DummyClass.getOrCreateInstance(element)).toBeInstanceOf(DummyClass)
})
it('should return new instance when there is no alert instance', () => {
fixtureEl.innerHTML = '<div id="foo"></div>'
element = fixtureEl.querySelector('#foo')
expect(DummyClass.getInstance(element)).toBeNull()
expect(DummyClass.getOrCreateInstance(element)).toBeInstanceOf(DummyClass)
})
})
})
})
|
