Add atomic account registration and local media

medialocal/store_test.go

@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: MPL-2.0
+
+package medialocal
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"gamertan.com/web/media"
+)
+
+func TestStoreRoundTripAndIdempotentPut(t *testing.T) {
+	now := time.Date(2026, time.September, 3, 12, 0, 0, 0, time.UTC)
+	store, err := Open(filepath.Join(t.TempDir(), "media"), Options{Now: func() time.Time { return now }})
+	if err != nil {
+		t.Fatal(err)
+	}
+	prepared, err := media.Prepare(bytes.NewReader([]byte("%PDF-1.7\nfixture")), "fixture.pdf", media.Limits{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	first, err := store.Put(t.Context(), prepared)
+	if err != nil {
+		t.Fatal(err)
+	}
+	second, err := store.Put(t.Context(), prepared)
+	if err != nil || second.Key != first.Key || second.Size != first.Size {
+		t.Fatalf("second=%+v err=%v", second, err)
+	}
+	reader, object, err := store.Open(t.Context(), first.Key)
+	if err != nil {
+		t.Fatal(err)
+	}
+	data, readErr := io.ReadAll(reader)
+	closeErr := reader.Close()
+	if readErr != nil || closeErr != nil || !bytes.Equal(data, prepared.Data) || object.Size != int64(len(data)) {
+		t.Fatalf("round trip object=%+v read=%v close=%v", object, readErr, closeErr)
+	}
+	if err = store.Delete(t.Context(), first.Key); err != nil {
+		t.Fatal(err)
+	}
+	if _, _, err = store.Open(t.Context(), first.Key); !errors.Is(err, media.ErrNotFound) {
+		t.Fatalf("missing err=%v", err)
+	}
+}
+
+func TestOpenRejectsSymlinkRoot(t *testing.T) {
+	base := t.TempDir()
+	target := filepath.Join(base, "target")
+	if err := os.Mkdir(target, 0o750); err != nil {
+		t.Fatal(err)
+	}
+	link := filepath.Join(base, "link")
+	if err := os.Symlink(target, link); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := Open(link, Options{}); err == nil {
+		t.Fatal("symlink root accepted")
+	}
+}