Feature/polls attempt 2

test/unit/specs/services/date_utils/date_utils.spec.js

@@ -0,0 +1,40 @@
+import * as DateUtils from 'src/services/date_utils/date_utils.js'
+
+describe('DateUtils', () => {
+  describe('relativeTime', () => {
+    it('returns now with low enough amount of seconds', () => {
+      const futureTime = Date.now() + 20 * DateUtils.SECOND
+      const pastTime = Date.now() - 20 * DateUtils.SECOND
+      expect(DateUtils.relativeTime(futureTime, 30)).to.eql({ num: 0, key: 'time.now' })
+      expect(DateUtils.relativeTime(pastTime, 30)).to.eql({ num: 0, key: 'time.now' })
+    })
+
+    it('rounds down for past', () => {
+      const time = Date.now() - 1.8 * DateUtils.HOUR
+      expect(DateUtils.relativeTime(time)).to.eql({ num: 1, key: 'time.hour' })
+    })
+
+    it('rounds up for future', () => {
+      const time = Date.now() + 1.8 * DateUtils.HOUR
+      expect(DateUtils.relativeTime(time)).to.eql({ num: 2, key: 'time.hours' })
+    })
+
+    it('uses plural when necessary', () => {
+      const time = Date.now() - 3.8 * DateUtils.WEEK
+      expect(DateUtils.relativeTime(time)).to.eql({ num: 3, key: 'time.weeks' })
+    })
+
+    it('works with date string', () => {
+      const time = Date.now() - 4 * DateUtils.MONTH
+      const dateString = new Date(time).toISOString()
+      expect(DateUtils.relativeTime(dateString)).to.eql({ num: 4, key: 'time.months' })
+    })
+  })
+
+  describe('relativeTimeShort', () => {
+    it('returns the short version of the same relative time', () => {
+      const time = Date.now() + 2 * DateUtils.YEAR
+      expect(DateUtils.relativeTimeShort(time)).to.eql({ num: 2, key: 'time.years_short' })
+    })
+  })
+})