add date separator constant, update tests

test/src/helpers/index_timestamp.js

@@ -1,6 +1,7 @@
 import expect from 'expect.js';
 import sinon from 'sinon';
 import moment from 'moment';
+import constants from '../../../lib/constants';
 import indexTimestamp from '../../../lib/helpers/index_timestamp';
 
 const anchor = '2016-04-02T01:02:03.456'; // saturday
@@ -15,8 +16,10 @@ describe('Index timestamp interval', function () {
 
   describe('timestamps', function () {
     let clock;
+    let separator;
 
     beforeEach(function () {
+      separator = constants.DEFAULT_SETTING_DATE_SEPARATOR;
       clock = sinon.useFakeTimers(moment(anchor).valueOf());
     });
 
@@ -27,49 +30,57 @@ describe('Index timestamp interval', function () {
     describe('formats', function () {
       it('should return the year', function () {
         const timestamp = indexTimestamp('year');
-        expect(timestamp).to.equal('2016');
+        const str = `2016`;
+        expect(timestamp).to.equal(str);
       });
 
       it('should return the year and month', function () {
         const timestamp = indexTimestamp('month');
-        expect(timestamp).to.equal('2016-04');
+        const str = `2016${separator}04`;
+        expect(timestamp).to.equal(str);
       });
 
       it('should return the year, month, and first day of the week', function () {
         const timestamp = indexTimestamp('week');
-        expect(timestamp).to.equal('2016-03-27');
+        const str = `2016${separator}03${separator}27`;
+        expect(timestamp).to.equal(str);
       });
 
       it('should return the year, month, and day of the week', function () {
         const timestamp = indexTimestamp('day');
-        expect(timestamp).to.equal('2016-04-02');
+        const str = `2016${separator}04${separator}02`;
+        expect(timestamp).to.equal(str);
       });
 
       it('should return the year, month, day and hour', function () {
         const timestamp = indexTimestamp('hour');
-        expect(timestamp).to.equal('2016-04-02-01');
+        const str = `2016${separator}04${separator}02${separator}01`;
+        expect(timestamp).to.equal(str);
       });
 
       it('should return the year, month, day, hour and minute', function () {
         const timestamp = indexTimestamp('minute');
-        expect(timestamp).to.equal('2016-04-02-01-02');
+        const str = `2016${separator}04${separator}02${separator}01${separator}02`;
+        expect(timestamp).to.equal(str);
       });
     });
 
     describe('date separator', function () {
       it('should be customizable', function () {
         const separators = ['-', '.', '_'];
-        separators.forEach(separator => {
-          const str = `2016${separator}04${separator}02${separator}01${separator}02`;
-          const timestamp = indexTimestamp('minute', separator);
+        separators.forEach(customSep => {
+          const str = `2016${customSep}04${customSep}02${customSep}01${customSep}02`;
+          const timestamp = indexTimestamp('minute', customSep);
           expect(timestamp).to.equal(str);
         });
       });
 
       it('should throw if a letter is used', function () {
-        const separator = 'a';
-        const fn = () => indexTimestamp('minute', separator);
-        expect(fn).to.throwException();
+        const separators = ['a', 'B', 'YYYY'];
+        separators.forEach(customSep => {
+          const fn = () => indexTimestamp('minute', customSep);
+          expect(fn).to.throwException();
+        });
       });
     });
   });