test(pkg/distribution): add initial index entry signature unit test

Signed-off-by: Massimiliano Giovagnoli <[email protected]>

build/registry/pkg/distribution/index_internal_test.go

@@ -0,0 +1,59 @@
+/*
+Copyright (C) 2022 The Falco Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package distribution
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/falcosecurity/falcoctl/pkg/index"
+
+	"github.com/falcosecurity/plugins/build/registry/pkg/registry"
+)
+
+func TestPluginToIndexEntrySignature(t *testing.T) {
+	signature := &index.Signature{
+		Cosign: &index.CosignSignature{
+			CertificateOidcIssuer:       "",
+			CertificateOidcIssuerRegexp: "",
+			CertificateIdentity:         "",
+			CertificateIdentityRegexp:   "",
+			CertificateGithubWorkflow:   "",
+		}}
+
+	expected := signature
+
+	p := registry.Plugin{
+		Name:         "",
+		Description:  "",
+		Authors:      "",
+		Contact:      "",
+		Maintainers:  nil,
+		Keywords:     nil,
+		URL:          "",
+		RulesURL:     "",
+		License:      "",
+		Reserved:     false,
+		Capabilities: registry.Capabilities{},
+		Signature:    signature,
+	}
+	entry := pluginToIndexEntry(p, "", "")
+
+	if !reflect.DeepEqual(entry.Signature, expected) {
+		t.Fatalf("Index entry signature: expected %#v, got %v", expected, entry.Signature)
+	}
+}