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package tmpdir
import (
"os"
"path/filepath"
"testing"
"github.com/containers/common/pkg/config"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGetTempDir(t *testing.T) {
// test default
err := os.Unsetenv("TMPDIR")
require.NoError(t, err)
err = os.Setenv("CONTAINERS_CONF", "/dev/null")
require.NoError(t, err)
tmpdir := GetTempDir()
assert.Equal(t, "/var/tmp", tmpdir)
// test TMPDIR Environment
err = os.Setenv("TMPDIR", "/tmp/bogus")
require.NoError(t, err)
tmpdir = GetTempDir()
assert.Equal(t, tmpdir, "/tmp/bogus")
err = os.Unsetenv("TMPDIR")
require.NoError(t, err)
// relative TMPDIR should be automatically converted to absolute
err = os.Setenv("TMPDIR", ".")
require.NoError(t, err)
tmpdir = GetTempDir()
assert.True(t, filepath.IsAbs(tmpdir), "path from GetTempDir should always be absolute")
err = os.Unsetenv("TMPDIR")
require.NoError(t, err)
f, err := os.CreateTemp("", "containers.conf-")
require.NoError(t, err)
// close and remove the temporary file at the end of the program
defer f.Close()
defer os.Remove(f.Name())
data := []byte("[engine]\nimage_copy_tmp_dir=\"/mnt\"\n")
_, err = f.Write(data)
require.NoError(t, err)
err = os.Setenv("CONTAINERS_CONF", f.Name())
require.NoError(t, err)
// force config reset of default containers.conf
options := config.Options{
SetDefault: true,
}
_, err = config.New(&options)
require.NoError(t, err)
tmpdir = GetTempDir()
assert.Equal(t, "/mnt", tmpdir)
}
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