chore(server): Move api-server in to it's own DIR

api-server/server/utils/date-utils.test.js

@@ -0,0 +1,75 @@
+import moment from 'moment-timezone';
+
+import { dayCount } from './date-utils';
+import test from 'tape';
+
+const PST = 'America/Los_Angeles';
+
+test('Day count between two epochs (inclusive) calculation', function(t) {
+  t.plan(7);
+
+  t.equal(
+    dayCount([
+      moment.utc('8/3/2015 3:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('8/3/2015 2:00', 'M/D/YYYY H:mm').valueOf()
+    ]),
+    1,
+    'should return 1 day given epochs of the same day'
+  );
+
+  t.equal(
+    dayCount([
+      moment.utc('8/3/2015 2:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('8/3/2015 2:00', 'M/D/YYYY H:mm').valueOf()
+    ]),
+    1,
+    'should return 1 day given same epochs'
+  );
+
+  t.equal(
+    dayCount([
+      moment.utc('8/4/2015 2:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('8/3/2015 2:00', 'M/D/YYYY H:mm').valueOf()
+    ]),
+    2,
+    'should return 2 days when there is a 24 hours difference'
+  );
+
+  t.equal(
+    dayCount([
+      moment.utc('8/4/2015 1:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('8/3/2015 23:00', 'M/D/YYYY H:mm').valueOf()
+    ]),
+    2,
+    'should return 2 days when the diff is less than 24h but different in UTC'
+  );
+
+  t.equal(
+    dayCount([
+      moment.utc('8/4/2015 1:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('8/3/2015 23:00', 'M/D/YYYY H:mm').valueOf()
+    ], PST),
+    1,
+    'should return 1 day when the diff is less than 24h ' +
+      'and days are different in UTC, but given PST'
+  );
+
+  t.equal(
+    dayCount([
+      moment.utc('10/27/2015 1:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('5/12/1982 1:00', 'M/D/YYYY H:mm').valueOf()
+    ]),
+    12222,
+    'should return correct count when there is very big period'
+  );
+
+  t.equal(
+    dayCount([
+      moment.utc('8/4/2015 2:00', 'M/D/YYYY H:mm').valueOf(),
+      moment.utc('8/3/2015 2:00', 'M/D/YYYY H:mm').valueOf()
+    ]),
+    2,
+    'should return 2 days when there is a 24 hours difference ' +
+      'between dates given `undefined` timezone'
+  );
+});