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package rawfilelock
import (
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
)
func TestOpenLock(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
prepare func() (path string, readOnly bool)
}{
{
name: "file exists (read/write)",
prepare: func() (string, bool) {
tempFile, err := os.CreateTemp(t.TempDir(), "lock-")
require.NoError(t, err)
tempFile.Close()
return tempFile.Name(), false
},
},
{
name: "file exists readonly (readonly)",
prepare: func() (string, bool) {
tempFile, err := os.CreateTemp(t.TempDir(), "lock-")
require.NoError(t, err)
tempFile.Close()
return tempFile.Name(), true
},
},
{
name: "base dir exists (read/write)",
prepare: func() (string, bool) {
tempDir := os.TempDir()
require.DirExists(t, tempDir)
return filepath.Join(tempDir, "test-1.lock"), false
},
},
} {
path, readOnly := tc.prepare()
fd, err := OpenLock(path, readOnly)
require.NoError(t, err, tc.name)
UnlockAndCloseHandle(fd)
fd, err = OpenLock(path, readOnly)
require.NoError(t, err)
UnlockAndCloseHandle(fd)
require.Nil(t, os.RemoveAll(path))
}
}
func TestOpenLockNotCreateParentDir(t *testing.T) {
tmpDir := t.TempDir()
lockPath := filepath.Join(tmpDir, "lockfile")
fd, err := OpenLock(lockPath, false)
require.NoError(t, err)
UnlockAndCloseHandle(fd)
lockPath = filepath.Join(tmpDir, "subdir", "lockfile")
_, err = OpenLock(lockPath, false)
require.Error(t, err)
}
func TestTryLockFileAndLockFile(t *testing.T) {
tmpFile, err := os.CreateTemp(t.TempDir(), "lockfile")
require.NoError(t, err)
defer os.Remove(tmpFile.Name())
fd, err := OpenLock(tmpFile.Name(), false)
require.NoError(t, err)
require.NoError(t, TryLockFile(fd, WriteLock))
UnlockAndCloseHandle(fd)
fd2, err := OpenLock(tmpFile.Name(), false)
require.NoError(t, err)
require.NoError(t, LockFile(fd2, WriteLock))
UnlockAndCloseHandle(fd2)
}
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