overlayfs/overlayfs_fuse_test.go

//go:build windows || (cgo && (darwin || freebsd || netbsd || openbsd))

package overlayfs

import (
	"context"
	"os"
	"path/filepath"
	"testing"
)

func TestFusefs(t *testing.T) {
	rootTemp := t.TempDir()
	overlayMount := &Overlayfs{
		Target:  filepath.Join(rootTemp, "root"),
		Upper:   filepath.Join(rootTemp, "up"),
		Workdir: filepath.Join(rootTemp, "work"),
		Lower: []string{
			filepath.Join(rootTemp, "low1"),
			filepath.Join(rootTemp, "low2"),
			filepath.Join(rootTemp, "low3"),
			filepath.Join(rootTemp, "low4"),
		},
	}

	for _, folderPath := range append(overlayMount.Lower, overlayMount.Target, overlayMount.Upper, overlayMount.Workdir) {
		if err := os.Mkdir(folderPath, 0777); err != nil {
			t.Skipf("skiping, cannot make folders: %q", err.Error())
			return
		}
	}

	ctx, done := context.WithCancel(t.Context())
	defer done()

	t.Logf("mount cgofuse+overlayfs in %q\n", overlayMount.Target)
	err := overlayMount.Mount(ctx)
	if err != nil {
		t.Errorf("cannot mount cgofuse+overlayfs: %s", err)
		return // Stop test
	}

	done()
	overlayMount.Storage.Done()
}