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author | Kushal Pandya <kushalspandya@gmail.com> | 2019-01-08 16:10:41 +0300 |
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committer | Kushal Pandya <kushalspandya@gmail.com> | 2019-01-08 17:11:57 +0300 |
commit | 2bb73dab72c4a9c1518d04814b697b8f2dff3194 (patch) | |
tree | 897cd0002d8483df09899a610cd9b7a9e2bebec8 /spec/javascripts/lib | |
parent | 214d741ba5caf1e533873bba1b8f030e80774d72 (diff) |
Add `newDate` helper, update `getTimeframeWindowFrom`
Adds `newDate` helper to copy date object without keeping reference.
Adds negative length support in `getTimeframeWindowFrom` to go
back in time.
Diffstat (limited to 'spec/javascripts/lib')
-rw-r--r-- | spec/javascripts/lib/utils/datetime_utility_spec.js | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/spec/javascripts/lib/utils/datetime_utility_spec.js b/spec/javascripts/lib/utils/datetime_utility_spec.js index bebe76f76c5..5327ec9d2a0 100644 --- a/spec/javascripts/lib/utils/datetime_utility_spec.js +++ b/spec/javascripts/lib/utils/datetime_utility_spec.js @@ -156,7 +156,7 @@ describe('getSundays', () => { }); describe('getTimeframeWindowFrom', () => { - it('returns array of date objects upto provided length start with provided startDate', () => { + it('returns array of date objects upto provided length (positive number) into the future starting from provided startDate', () => { const startDate = new Date(2018, 0, 1); const mockTimeframe = [ new Date(2018, 0, 1), @@ -174,6 +174,25 @@ describe('getTimeframeWindowFrom', () => { expect(timeframeItem.getDate()).toBe(mockTimeframe[index].getDate()); }); }); + + it('returns array of date objects upto provided length (negative number) into the past starting from provided startDate', () => { + const startDate = new Date(2018, 0, 1); + const mockTimeframe = [ + new Date(2018, 0, 1), + new Date(2017, 11, 1), + new Date(2017, 10, 1), + new Date(2017, 9, 1), + new Date(2017, 8, 1), + ]; + const timeframe = datetimeUtility.getTimeframeWindowFrom(startDate, -5); + + expect(timeframe.length).toBe(5); + timeframe.forEach((timeframeItem, index) => { + expect(timeframeItem.getFullYear()).toBe(mockTimeframe[index].getFullYear()); + expect(timeframeItem.getMonth()).toBe(mockTimeframe[index].getMonth()); + expect(timeframeItem.getDate()).toBe(mockTimeframe[index].getDate()); + }); + }); }); describe('formatTime', () => { @@ -376,3 +395,22 @@ describe('calculateRemainingMilliseconds', () => { expect(milliseconds).toBe(0); }); }); + +describe('newDate', () => { + it('returns new date instance from existing date instance', () => { + const initialDate = new Date(2019, 0, 1); + const copiedDate = datetimeUtility.newDate(initialDate); + + expect(copiedDate.getTime()).toBe(initialDate.getTime()); + + initialDate.setMonth(initialDate.getMonth() + 1); + + expect(copiedDate.getTime()).not.toBe(initialDate.getTime()); + }); + + it('returns date instance when provided date param is not of type date or is undefined', () => { + const initialDate = datetimeUtility.newDate(); + + expect(initialDate instanceof Date).toBe(true); + }); +}); |