From e0d666c29983b9eada7a68272eb5f66fc43a94f1 Mon Sep 17 00:00:00 2001
From: Ferenc Szabo <ferencs@spacelift.io>
Date: Fri, 6 Dec 2024 09:12:42 +0100
Subject: [PATCH] test: ensure that template names are not duplicated

As we use the name as ID.
---
 templates_test.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/templates_test.go b/templates_test.go
index 69c0634..bad97e4 100644
--- a/templates_test.go
+++ b/templates_test.go
@@ -16,9 +16,21 @@ func TestTemplates(t *testing.T) {
 	require.NotPanics(t, func() {
 		templates := policylib.Templates()
 		require.Greater(t, len(templates), 1, "should have templates")
+		assertUniqueNames(t, templates, "template names must be unique")
 	}, "embedded templates should not panic")
 }
 
+func assertUniqueNames(t *testing.T, templates []policylib.Template, msg string) int {
+	set := map[string]bool{}
+	for _, template := range templates {
+		if set[template.Name] {
+			assert.Failf(t, "duplicate template name: "+template.Name, msg)
+		}
+		set[template.Name] = true
+	}
+	return len(set)
+}
+
 func TestTemplates_Parsing(t *testing.T) {
 	tests := []struct {
 		name            string