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-rw-r--r--src/utils/DateTimeChartUtil.test.js92
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diff --git a/src/utils/DateTimeChartUtil.test.js b/src/utils/DateTimeChartUtil.test.js
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+import {
+ sortDataByField,
+ dateFormatLocalTimeZoneMMDDYYYY,
+ dateFormatLocalTimeZoneYYYYMMDD,
+ getTicks,
+ getTicksData
+} from './DateTimeChartUtil.js';
+
+describe('DateTimeChartUtil Tests', () => {
+ it('sortDataByField', () => {
+ let initialData = [
+ {word: 'plum', number: 2},
+ {word: 'apple', number: 3},
+ {word: 'banana', number: 1}
+ ];
+
+ sortDataByField(initialData, 'number');
+ expect(initialData[0]['number']).toBe(1);
+ expect(initialData[0]['word']).toBe('banana');
+ expect(initialData[1]['number']).toBe(2);
+ expect(initialData[1]['word']).toBe('plum');
+ expect(initialData[2]['number']).toBe(3);
+ expect(initialData[2]['word']).toBe('apple');
+ });
+
+ it('dateFormatLocalTimeZoneMMDDYYYY', () => {
+ const timestamp = Date.parse('Mon, 25 Dec 1995 13:30:00 GMT');
+ let formattedDate = dateFormatLocalTimeZoneMMDDYYYY(timestamp);
+ expect(formattedDate).toBe('12/25/1995');
+ });
+
+ it('dateFormatLocalTimeZoneYYYYMMDD', () => {
+ const timestamp = Date.parse('Mon, 25 Dec 1995 13:30:00 GMT');
+ let formattedDate = dateFormatLocalTimeZoneYYYYMMDD(timestamp);
+ expect(formattedDate).toBe('1995-12-25');
+ });
+
+ it('getTicks', () => {
+ const timestamps = [
+ {timestamp: 1521691200000, date: 'Thu, 22 Mar 2018 04:00:00 GMT'},
+ {timestamp: 1521777600000, date: 'Thu, 23 Mar 2018 04:00:00 GMT'},
+ {timestamp: 1521950400000, date: 'Thu, 25 Mar 2018 04:00:00 GMT'},
+ {timestamp: 1522296000000, date: 'Thu, 29 Mar 2018 04:00:00 GMT'}
+ ];
+ let ticksPerDay = getTicks(timestamps, 'timestamp');
+ // expect 1 tick (timestamp) for each day between March 22 - March 29
+ expect(ticksPerDay.length).toBe(8);
+ });
+
+ it('getTicks - empty data', () => {
+ const timestamps = [];
+ let ticksPerDay = getTicks(timestamps, 'timestamp');
+ expect(ticksPerDay.length).toBe(0);
+ });
+
+ it('getTicksData', () => {
+ const timestamps = [
+ {timestamp: 1521691200000, date: 'Thu, 22 Mar 2018 04:00:00 GMT'},
+ {timestamp: 1521777600000, date: 'Thu, 23 Mar 2018 04:00:00 GMT'},
+ {timestamp: 1521950400000, date: 'Thu, 25 Mar 2018 04:00:00 GMT'},
+ {timestamp: 1522296000000, date: 'Thu, 29 Mar 2018 04:00:00 GMT'}
+ ];
+ let ticksPerDay = getTicks(timestamps, 'timestamp');
+ let mergedData = getTicksData(timestamps, ticksPerDay, 'timestamp');
+ // expect original 4 objects plus 4 additional objects for the missing days
+ // (4 additional objects will only have timestamp attribute, no date attribute)
+ expect(mergedData.length).toBe(8);
+ expect(mergedData[0]['timestamp']).toBe(1521691200000);
+ expect(mergedData[0]['date']).toBe('Thu, 22 Mar 2018 04:00:00 GMT');
+ expect(mergedData[1]['timestamp']).toBe(1521777600000);
+ expect(mergedData[1]['date']).toBe('Thu, 23 Mar 2018 04:00:00 GMT');
+ expect(mergedData[2]['timestamp']).toBe(1521950400000);
+ expect(mergedData[2]['date']).toBe('Thu, 25 Mar 2018 04:00:00 GMT');
+ expect(mergedData[3]['timestamp']).toBe(1522296000000);
+ expect(mergedData[3]['date']).toBe('Thu, 29 Mar 2018 04:00:00 GMT');
+ expect(mergedData[4]['timestamp']).toBeTruthy();
+ expect(mergedData[4]['date']).toBeUndefined();
+ expect(mergedData[5]['timestamp']).toBeTruthy();
+ expect(mergedData[5]['date']).toBeUndefined();
+ expect(mergedData[6]['timestamp']).toBeTruthy();
+ expect(mergedData[6]['date']).toBeUndefined();
+ expect(mergedData[7]['timestamp']).toBeTruthy();
+ expect(mergedData[7]['date']).toBeUndefined();
+ });
+
+ it('getTicksData - empty data', () => {
+ const timestamps = [];
+ let ticksPerDay = getTicks(timestamps, 'timestamp');
+ let mergedData = getTicksData(timestamps, ticksPerDay, 'timestamp');
+ expect(mergedData.length).toBe(0);
+ });
+})