github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/util/tz_test.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package util
    15  
    16  import (
    17  	"testing"
    18  
    19  	"github.com/stretchr/testify/require"
    20  )
    21  
    22  func TestGetTimezoneFromZonefile(t *testing.T) {
    23  	testCases := []struct {
    24  		hasErr   bool
    25  		zonefile string
    26  		name     string
    27  	}{
    28  		{true, "", ""},
    29  		{false, "UTC", "UTC"},
    30  		{false, "/usr/share/zoneinfo/UTC", "UTC"},
    31  		{false, "/usr/share/zoneinfo/Etc/UTC", "Etc/UTC"},
    32  		{false, "/usr/share/zoneinfo/Asia/Shanghai", "Asia/Shanghai"},
    33  	}
    34  	for _, tc := range testCases {
    35  		loc, err := GetTimezoneFromZonefile(tc.zonefile)
    36  		if tc.hasErr {
    37  			require.NotNil(t, err)
    38  		} else {
    39  			require.Nil(t, err)
    40  			require.Equal(t, tc.name, loc.String())
    41  		}
    42  	}
    43  }
    44  
    45  func TestGetTimezoneName(t *testing.T) {
    46  	tz, err := GetTimezone("")
    47  	require.NoError(t, err)
    48  	require.True(t, len(GetTimeZoneName(tz)) != 0)
    49  	require.True(t, len(GetTimeZoneName(nil)) == 0)
    50  }