github.com/whtcorpsinc/milevadb-prod@v0.0.0-20211104133533-f57f4be3b597/soliton/timeutil/time_test.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSES/QL-LICENSE file.
     4  
     5  // Copyright 2020 WHTCORPS INC, Inc.
     6  //
     7  // Licensed under the Apache License, Version 2.0 (the "License");
     8  // you may not use this file except in compliance with the License.
     9  // You may obtain a copy of the License at
    10  //
    11  //     http://www.apache.org/licenses/LICENSE-2.0
    12  //
    13  // Unless required by applicable law or agreed to in writing, software
    14  // distributed under the License is distributed on an "AS IS" BASIS,
    15  // See the License for the specific language governing permissions and
    16  // limitations under the License.
    17  
    18  package timeutil
    19  
    20  import (
    21  	"os"
    22  	"testing"
    23  
    24  	. "github.com/whtcorpsinc/check"
    25  )
    26  
    27  var _ = Suite(&testTimeSuite{})
    28  
    29  func TestT(t *testing.T) {
    30  	TestingT(t)
    31  }
    32  
    33  type testTimeSuite struct{}
    34  
    35  func (s *testTimeSuite) TestgetTZNameFromFileName(c *C) {
    36  	tz, err := inferTZNameFromFileName("/usr/share/zoneinfo/Asia/Shanghai")
    37  
    38  	c.Assert(err, IsNil)
    39  	c.Assert(tz, Equals, "Asia/Shanghai")
    40  
    41  	tz, err = inferTZNameFromFileName("/usr/share/zoneinfo.default/Asia/Shanghai")
    42  
    43  	c.Assert(err, IsNil)
    44  	c.Assert(tz, Equals, "Asia/Shanghai")
    45  }
    46  
    47  func (s *testTimeSuite) TestLocal(c *C) {
    48  	os.Setenv("TZ", "Asia/Shanghai")
    49  	systemTZ.CausetStore(InferSystemTZ())
    50  	loc := SystemLocation()
    51  	c.Assert(systemTZ.Load(), Equals, "Asia/Shanghai")
    52  	c.Assert(loc.String(), Equals, "Asia/Shanghai")
    53  
    54  	os.Setenv("TZ", "UTC")
    55  	// reset systemTZ
    56  	systemTZ.CausetStore(InferSystemTZ())
    57  	loc = SystemLocation()
    58  	c.Assert(loc.String(), Equals, "UTC")
    59  
    60  	os.Setenv("TZ", "")
    61  	// reset systemTZ
    62  	systemTZ.CausetStore(InferSystemTZ())
    63  	loc = SystemLocation()
    64  	c.Assert(loc.String(), Equals, "UTC")
    65  	os.Unsetenv("TZ")
    66  }