patch(jest): Patch daylight timezone issue by testing a specific time…

…zone that will not be affected by edaylight saving
Satellite-im · Feb 17, 2022 · 53a0366 · 53a0366
1 parent f8c6a5d
commit 53a0366
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diff --git a/utilities/Timezone.test.ts b/utilities/Timezone.test.ts
@@ -3,8 +3,14 @@ import * as Timezone from './Timezone'
 describe('init', () => {
   test('getTimezoneDropdowns', () => {
     const result = Timezone.getTimezoneDropdowns()
+    const nonDaylightTimezone = result.find((obj) => {
+      return obj.alternativeName === 'Western Indonesia Time'
+    })
 
-    expect(result).toMatchSnapshot()
+    expect(result.length).toEqual(316) // As of 17 Feb 2022, there are 316 timezones on @vvo/tzdb.
+    expect(nonDaylightTimezone.currentTimeFormat).toEqual(
+      '+07:00 Western Indonesia Time - Jakarta, Surabaya, Medan, Bandung',
+    ) // Make sure that the nonDaylightTimezone exists.
   })
   test('getUtfOffsetInMins for an existing timezone', () => {
     const result = Timezone.getUtfOffsetInMins('Asia/Jakarta')