Merge pull request #330 from javascriptdata/fix-daterange

fix data range bug resulting from getting range between same year

Author: steveoni

danfojs-node/src/core/date_range.js

@@ -76,7 +76,8 @@ export class date_range {
       //check if the end year is greater than start year
       let start_year = start_date.getFullYear();
       let end_year = end_date.getFullYear();
-      if ((start_year < end_year)){
+      if ((start_year <= end_year) && (start_date.getMonth() !== end_date.getMonth())){
+        
         // end_range = start_range + end_range
         if (this.freq == "M"){
           end_range = this.month_end(start_date, end_date);

danfojs-node/tests/core/date_range.js

@@ -7,15 +7,13 @@ describe("date_range", function(){
 
   //     let d = new date_range({"start":'2018-04-24',"end":'2018-04-27'})
   //     let rslt = [
-  //         '4/24/2018, 12:00:00 AM',
-  //         '4/25/2018, 12:00:00 AM',
-  //         '4/26/2018, 12:00:00 AM',
-  //         '4/27/2018, 12:00:00 AM'
-  //       ]
-
+  //       '4/24/2018, 1:00:00 AM',
+  //       '4/25/2018, 1:00:00 AM',
+  //       '4/26/2018, 1:00:00 AM',
+  //       '4/27/2018, 1:00:00 AM'
+  //     ]  
   //     assert.deepEqual(d,rslt)
 
-
   // });
   it("Obtain date between start with end not specified, but period and freq specified", function(){
 
@@ -90,4 +88,22 @@ describe("date_range", function(){
   it("inputing wrong freq offset", function(){
     assert.throws(function () { new date_range({ end:'1/1/2018', period:8, freq:"abcm" }); }, Error, 'invalid freq offset abc');
   });
+  // it("Obtain date between start and end specified with different month", function(){
+
+  //   let d = new date_range({"start":'2018-04-24',"end":'2018-05-27'})
+  //   let rslt = [
+  //     '4/24/2018, 1:00:00 AM',
+  //     '4/25/2018, 1:00:00 AM',
+  //     '4/26/2018, 1:00:00 AM',
+  //     '4/27/2018, 1:00:00 AM',
+  //     '4/28/2018, 1:00:00 AM',
+  //     '4/29/2018, 1:00:00 AM',
+  //     '4/30/2018, 1:00:00 AM',
+  //     '5/1/2018, 1:00:00 AM',
+  //     '5/2/2018, 1:00:00 AM',
+  //     '5/3/2018, 1:00:00 AM',
+  //     '5/27/2018, 1:00:00 AM'
+  //   ]
+  //   assert.deepEqual(d,rslt)
+  // });
 });