test: database closed-db error paths + pure goproxy/generic/helm/repotype gaps

internal/provider/generic/generic_extra_test.go

@@ -0,0 +1,13 @@
+package generic
+
+import (
+	"testing"
+
+	"git.unkin.net/unkin/artifactapi/pkg/models"
+)
+
+func TestGenericRewriteResponse(t *testing.T) {
+	if out, err := (&Provider{}).RewriteResponse([]byte("x"), models.Remote{}, "http://p"); out != nil || err != nil {
+		t.Error("generic never rewrites")
+	}
+}