photoprism/pkg/fs/resolve_test.go

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package fs
import (
"os"
"path/filepath"
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
)
func TestResolve(t *testing.T) {
tmpDir := os.TempDir()
linkName := filepath.Join(tmpDir, uuid.NewString()+"-link.tmp")
targetName := filepath.Join(tmpDir, uuid.NewString()+".tmp")
// Delete files after test.
defer func(link, target string) {
_ = os.Remove(link)
_ = os.Remove(target)
}(linkName, targetName)
// Create empty test target file.
if targetFile, err := os.OpenFile(targetName, os.O_RDONLY|os.O_CREATE, os.ModePerm); err != nil {
t.Fatal(err)
} else if err = targetFile.Close(); err != nil {
t.Fatal(err)
}
if err := os.Symlink(targetName, linkName); err != nil {
t.Fatal(err)
}
if result, err := Resolve(linkName); err != nil {
t.Fatal(err)
} else {
assert.Equal(t, targetName, result)
}
}