83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
// Copyright 2025 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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package log
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestInitLogNoPermission(t *testing.T) {
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if os.Geteuid() == 0 {
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t.Skip("Skip test when running as root user")
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}
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tmpDir := t.TempDir()
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conf := &Config{
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Level: "debug",
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File: tmpDir + "/test.log",
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Format: "text",
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}
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logger, _, err := InitAppLogger(conf)
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require.NoError(t, err)
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require.NotNil(t, logger)
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// Directory permission denied
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require.NoError(t, os.Chmod(tmpDir, 0))
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_, _, err = InitAppLogger(conf)
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require.Contains(t, err.Error(), "permission denied")
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require.NoError(t, os.Chmod(tmpDir, 0755))
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// Directory exists but doesn't allow file creation
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readOnlyDirPath := filepath.Join(tmpDir, "readonly-dir")
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require.NoError(t, os.Mkdir(readOnlyDirPath, 0755))
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require.NoError(t, os.Chmod(readOnlyDirPath, 0555)) // Read-only directory
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conf.File = readOnlyDirPath + "/test.log"
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_, _, err = InitAppLogger(conf)
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require.ErrorContains(t, err, "permission denied")
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require.NoError(t, os.Chmod(readOnlyDirPath, 0755))
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// Using a directory as log file
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dirLogPath := filepath.Join(tmpDir, "dir-as-log")
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require.NoError(t, os.Mkdir(dirLogPath, 0755))
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conf.File = dirLogPath
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_, _, err = InitAppLogger(conf)
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require.ErrorContains(t, err, "can't use directory as log file name")
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// File exists but is not writable
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filePath := filepath.Join(tmpDir, "readonly.log")
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file, err := os.Create(filePath)
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require.NoError(t, err)
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file.Close()
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require.NoError(t, os.Chmod(filePath, 0444))
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conf.File = filePath
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_, _, err = InitAppLogger(conf)
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require.ErrorContains(t, err, "permission denied")
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require.NoError(t, os.Chmod(filePath, 0644))
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// Ensure parent directory is created successfully
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nestedPath := filepath.Join(tmpDir, "nested/path/to")
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conf.File = nestedPath + "/test.log"
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_, _, err = InitAppLogger(conf)
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require.NoError(t, err)
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_, err = os.Stat(nestedPath)
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require.NoError(t, err)
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}
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