83 lines
2.6 KiB
Go
83 lines
2.6 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Copyright 2018 PingCAP, Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSES/QL-LICENSE file.
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package timeutil
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestGetTZNameFromFileName(t *testing.T) {
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tz, err := inferTZNameFromFileName("/usr/share/zoneinfo/Asia/Shanghai")
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require.NoError(t, err)
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require.Equal(t, "Asia/Shanghai", tz)
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tz, err = inferTZNameFromFileName("/usr/share/zoneinfo.default/Asia/Shanghai")
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require.NoError(t, err)
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require.Equal(t, "Asia/Shanghai", tz)
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}
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func TestLocal(t *testing.T) {
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os.Setenv("TZ", "Asia/Shanghai")
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systemTZ.Store(InferSystemTZ())
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loc := SystemLocation()
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require.Equal(t, "Asia/Shanghai", systemTZ.Load())
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require.Equal(t, "Asia/Shanghai", loc.String())
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os.Setenv("TZ", "UTC")
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// reset systemTZ
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systemTZ.Store(InferSystemTZ())
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loc = SystemLocation()
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require.Equal(t, "UTC", loc.String())
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os.Setenv("TZ", "")
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// reset systemTZ
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systemTZ.Store(InferSystemTZ())
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loc = SystemLocation()
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require.Equal(t, "UTC", loc.String())
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os.Unsetenv("TZ")
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}
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func TestInferOneStepLinkForPath(t *testing.T) {
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os.Remove(filepath.Join(os.TempDir(), "testlink1"))
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os.Remove(filepath.Join(os.TempDir(), "testlink2"))
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os.Remove(filepath.Join(os.TempDir(), "testlink3"))
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var link2, link3 string
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var err error
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var link1 *os.File
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link1, err = os.Create(filepath.Join(os.TempDir(), "testlink1"))
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require.NoError(t, err)
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err = os.Symlink(link1.Name(), filepath.Join(os.TempDir(), "testlink2"))
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require.NoError(t, err)
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err = os.Symlink(filepath.Join(os.TempDir(), "testlink2"), filepath.Join(os.TempDir(), "testlink3"))
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require.NoError(t, err)
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link2, err = inferOneStepLinkForPath(filepath.Join(os.TempDir(), "testlink3"))
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require.NoError(t, err)
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require.Equal(t, filepath.Join(os.TempDir(), "testlink2"), link2)
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link3, err = filepath.EvalSymlinks(filepath.Join(os.TempDir(), "testlink3"))
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require.NoError(t, err)
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require.NotEqual(t, -1, strings.Index(link3, link1.Name()))
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}
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