Add tests for the time difference of start / end and comparisonStart …

…/ comparisonEnd
elastic · Mar 14, 2022 · ad01aeb · ad01aeb
1 parent cef8b3f
commit ad01aeb
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/x-pack/plugins/apm/public/components/shared/time_comparison/comparison.test.ts b/x-pack/plugins/apm/public/components/shared/time_comparison/comparison.test.ts
@@ -9,6 +9,7 @@ import { TimeRangeComparisonEnum } from '../../../../common/runtime_types/compar
 import { getTimeRangeComparison } from './get_time_range_comparison';
 import { getDateRange } from '../../../context/url_params_context/helpers';
 import { getComparisonOptions } from './get_comparison_options';
+import moment from 'moment';
 
 function getExpectedTimesAndComparisons({
   rangeFrom,
@@ -175,6 +176,12 @@ describe('Comparison test suite', () => {
         },
       ]);
     });
+
+    it('should have the same offset for start / end and comparisonStart / comparisonEnd', () => {
+      const { start, end, comparisons } = expectation;
+      const diffInMs = moment(end).diff(moment(start));
+      expect(`${diffInMs}ms`).toBe(comparisons[0].offset);
+    });
   });
 
   describe('When the time difference is more than 8 days', () => {
@@ -203,6 +210,12 @@ describe('Comparison test suite', () => {
         },
       ]);
     });
+
+    it('should have the same offset for start / end and comparisonStart / comparisonEnd', () => {
+      const { start, end, comparisons } = expectation;
+      const diffInMs = moment(end).diff(moment(start));
+      expect(`${diffInMs}ms`).toBe(comparisons[0].offset);
+    });
   });
 
   describe('When "Today" is selected', () => {
@@ -420,6 +433,12 @@ describe('Comparison test suite', () => {
         },
       ]);
     });
+
+    it('should have the same offset for start / end and comparisonStart / comparisonEnd', () => {
+      const { start, end, comparisons } = expectation;
+      const diffInMs = moment(end).diff(moment(start));
+      expect(`${diffInMs}ms`).toBe(comparisons[0].offset);
+    });
   });
 
   describe('When "Last 30 days" is selected with rounding', () => {
@@ -448,5 +467,11 @@ describe('Comparison test suite', () => {
         },
       ]);
     });
+
+    it('should have the same offset for start / end and comparisonStart / comparisonEnd', () => {
+      const { start, end, comparisons } = expectation;
+      const diffInMs = moment(end).diff(moment(start));
+      expect(`${diffInMs}ms`).toBe(comparisons[0].offset);
+    });
   });
 });