Add tests for updated functionality in date-selector and formatting

js/components/__tests__/date_selector.test.js

@@ -163,6 +163,20 @@ describe('DateSelector', () => {
       component.year = new Date().getFullYear()
       expect(component.isYearValid).toEqual(true)
     })
+
+    it('returns true when year is between min and max years', () => {
+      component.year = new Date('2019-01-01').getFullYear()
+      component.mindate = new Date('2018-01-01')
+      component.maxdate = new Date('2019-12-31')
+      expect(component.isYearValid).toEqual(true)
+    })
+
+    it('returns false when year is outside of min and max years', () => {
+      component.year = new Date('2020-01-01').getFullYear()
+      component.mindate = new Date('2018-01-01')
+      component.maxdate = new Date('2019-01-01')
+      expect(component.isYearValid).toEqual(false)
+    })
   })
 
   describe('formattedDate', () => {
@@ -184,4 +198,20 @@ describe('DateSelector', () => {
       expect(component.formattedDate).toEqual('01/22/1988')
     })
   })
+
+  describe('isDateComplete', () => {
+    it('returns true if all fields are completed', () => {
+      component.day = 22
+      component.month = 1
+      component.year = 1988
+      expect(component.isDateComplete).toEqual(true)
+    })
+
+    it('returns false if all fields are not completed', () => {
+      component.day = 22
+      component.month = 1
+      component.year = 19
+      expect(component.isDateComplete).toEqual(false)
+    })
+  })
 })

js/components/date_selector.js

@@ -102,9 +102,16 @@ export default {
 
     isYearValid: function() {
       // Emit a change event
-      var minYear = new Date(this.mindate).getFullYear()
-      var maxYear = new Date(this.maxdate).getFullYear()
-      var valid = this.year >= minYear && this.year <= maxYear
+      var valid
+      var minYear = this.mindate ? new Date(this.mindate).getFullYear() : null
+      var maxYear = this.maxdate ? new Date(this.maxdate).getFullYear() : null
+
+      if (minYear && maxYear) {
+        valid = this.year >= minYear && this.year <= maxYear
+      } else {
+        valid = parseInt(this.year) >= 1
+      }
+
       this._emitChange('year', this.year, valid)
       return valid
     },
@@ -138,12 +145,7 @@ export default {
     },
 
     isDateComplete: function() {
-      return (
-        !!this.day &&
-        !!this.month &&
-        !!this.year &&
-        this.year > 999
-      )
+      return !!this.day && !!this.month && !!this.year && this.year > 999
     },
 
     daysMaxCalculation: function() {