Adding upstream version 0.28.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tools/router/rereadable_read_closer_test.go

@@ -0,0 +1,28 @@
+package router_test
+
+import (
+	"io"
+	"strings"
+	"testing"
+
+	"github.com/pocketbase/pocketbase/tools/router"
+)
+
+func TestRereadableReadCloser(t *testing.T) {
+	content := "test"
+
+	rereadable := &router.RereadableReadCloser{
+		ReadCloser: io.NopCloser(strings.NewReader(content)),
+	}
+
+	// read multiple times
+	for i := 0; i < 3; i++ {
+		result, err := io.ReadAll(rereadable)
+		if err != nil {
+			t.Fatalf("[read:%d] %v", i, err)
+		}
+		if str := string(result); str != content {
+			t.Fatalf("[read:%d] Expected %q, got %q", i, content, result)
+		}
+	}
+}