多租户更改

server/store/tenant_store_test.go

@@ -0,0 +1,13 @@
+package store
+
+import (
+	"testing"
+
+	"github.com/tinode/chat/server/store/types"
+)
+
+func TestForTenantRejectsZero(t *testing.T) {
+	if scoped, err := ForTenant(types.ZeroTenantID); err != types.ErrMalformed || scoped != nil {
+		t.Fatalf("ForTenant(0) = (%v, %v), want (nil, malformed)", scoped, err)
+	}
+}