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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
import * as datetimeUtility from '~/lib/utils/datetime_utility';
describe('Date time utils', () => {
describe('timeFor', () => {
it('returns `past due` when in past', () => {
const date = new Date();
date.setFullYear(date.getFullYear() - 1);
expect(datetimeUtility.timeFor(date)).toBe('Past due');
});
it('returns remaining time when in the future', () => {
const date = new Date();
date.setFullYear(date.getFullYear() + 1);
// Add a day to prevent a transient error. If date is even 1 second
// short of a full year, timeFor will return '11 months remaining'
date.setDate(date.getDate() + 1);
expect(datetimeUtility.timeFor(date)).toBe('1 year remaining');
});
});
describe('get day name', () => {
it('should return Sunday', () => {
const day = datetimeUtility.getDayName(new Date('07/17/2016'));
expect(day).toBe('Sunday');
});
it('should return Monday', () => {
const day = datetimeUtility.getDayName(new Date('07/18/2016'));
expect(day).toBe('Monday');
});
it('should return Tuesday', () => {
const day = datetimeUtility.getDayName(new Date('07/19/2016'));
expect(day).toBe('Tuesday');
});
it('should return Wednesday', () => {
const day = datetimeUtility.getDayName(new Date('07/20/2016'));
expect(day).toBe('Wednesday');
});
it('should return Thursday', () => {
const day = datetimeUtility.getDayName(new Date('07/21/2016'));
expect(day).toBe('Thursday');
});
it('should return Friday', () => {
const day = datetimeUtility.getDayName(new Date('07/22/2016'));
expect(day).toBe('Friday');
});
it('should return Saturday', () => {
const day = datetimeUtility.getDayName(new Date('07/23/2016'));
expect(day).toBe('Saturday');
});
});
describe('get day difference', () => {
it('should return 7', () => {
const firstDay = new Date('07/01/2016');
const secondDay = new Date('07/08/2016');
const difference = datetimeUtility.getDayDifference(firstDay, secondDay);
expect(difference).toBe(7);
});
it('should return 31', () => {
const firstDay = new Date('07/01/2016');
const secondDay = new Date('08/01/2016');
const difference = datetimeUtility.getDayDifference(firstDay, secondDay);
expect(difference).toBe(31);
});
it('should return 365', () => {
const firstDay = new Date('07/02/2015');
const secondDay = new Date('07/01/2016');
const difference = datetimeUtility.getDayDifference(firstDay, secondDay);
expect(difference).toBe(365);
});
});
});
describe('timeIntervalInWords', () => {
it('should return string with number of minutes and seconds', () => {
expect(datetimeUtility.timeIntervalInWords(9.54)).toEqual('9 seconds');
expect(datetimeUtility.timeIntervalInWords(1)).toEqual('1 second');
expect(datetimeUtility.timeIntervalInWords(200)).toEqual('3 minutes 20 seconds');
expect(datetimeUtility.timeIntervalInWords(6008)).toEqual('100 minutes 8 seconds');
});
});
describe('dateInWords', () => {
const date = new Date('07/01/2016');
it('should return date in words', () => {
expect(datetimeUtility.dateInWords(date)).toEqual('July 1, 2016');
});
it('should return abbreviated month name', () => {
expect(datetimeUtility.dateInWords(date, true)).toEqual('Jul 1, 2016');
});
it('should return date in words without year', () => {
expect(datetimeUtility.dateInWords(date, true, true)).toEqual('Jul 1');
});
});
describe('monthInWords', () => {
const date = new Date('2017-01-20');
it('returns month name from provided date', () => {
expect(datetimeUtility.monthInWords(date)).toBe('January');
});
it('returns abbreviated month name from provided date', () => {
expect(datetimeUtility.monthInWords(date, true)).toBe('Jan');
});
});
describe('totalDaysInMonth', () => {
it('returns number of days in a month for given date', () => {
// 1st Feb, 2016 (leap year)
expect(datetimeUtility.totalDaysInMonth(new Date(2016, 1, 1))).toBe(29);
// 1st Feb, 2017
expect(datetimeUtility.totalDaysInMonth(new Date(2017, 1, 1))).toBe(28);
// 1st Jan, 2017
expect(datetimeUtility.totalDaysInMonth(new Date(2017, 0, 1))).toBe(31);
});
});
describe('getSundays', () => {
it('returns array of dates representing all Sundays of the month', () => {
// December, 2017 (it has 5 Sundays)
const dateOfSundays = [3, 10, 17, 24, 31];
const sundays = datetimeUtility.getSundays(new Date(2017, 11, 1));
expect(sundays.length).toBe(5);
sundays.forEach((sunday, index) => {
expect(sunday.getDate()).toBe(dateOfSundays[index]);
});
});
});
describe('getTimeframeWindowFrom', () => {
it('returns array of date objects upto provided length start with provided startDate', () => {
const startDate = new Date(2018, 0, 1);
const mockTimeframe = [
new Date(2018, 0, 1),
new Date(2018, 1, 1),
new Date(2018, 2, 1),
new Date(2018, 3, 1),
new Date(2018, 4, 31),
];
const timeframe = datetimeUtility.getTimeframeWindowFrom(startDate, 5);
expect(timeframe.length).toBe(5);
timeframe.forEach((timeframeItem, index) => {
expect(timeframeItem.getFullYear() === mockTimeframe[index].getFullYear()).toBe(true);
expect(timeframeItem.getMonth() === mockTimeframe[index].getMonth()).toBe(true);
expect(timeframeItem.getDate() === mockTimeframe[index].getDate()).toBeTruthy();
});
});
});
describe('formatTime', () => {
const expectedTimestamps = [
[0, '00:00:00'],
[1000, '00:00:01'],
[42000, '00:00:42'],
[121000, '00:02:01'],
[10921000, '03:02:01'],
[108000000, '30:00:00'],
];
expectedTimestamps.forEach(([milliseconds, expectedTimestamp]) => {
it(`formats ${milliseconds}ms as ${expectedTimestamp}`, () => {
expect(datetimeUtility.formatTime(milliseconds)).toBe(expectedTimestamp);
});
});
});
|
