1 files changed, 31 insertions, 0 deletions
diff --git a/internal/game/render_help_test.go b/internal/game/render_help_test.go
index b8ad614..dcfa619 100644
--- a/internal/game/render_help_test.go
+++ b/internal/game/render_help_test.go
@@ -79,3 +79,34 @@ func TestHelpAliasesResolveWithoutCollision(t *testing.T) {
 		}
 	}
 }
+
+// Every verb advertised in the help table must actually be a command. "farm"
+// was listed for a long time while not existing, so typing it returned
+// "Unknown command." A help entry is the first thing a new player trusts.
+func TestHelpCommandListMatchesRegistry(t *testing.T) {
+	for _, entry := range commandList {
+		for _, verb := range strings.Split(entry.Name, "/") {
+			verb = strings.TrimSpace(verb)
+			if verb == "" {
+				continue
+			}
+			if _, ok := commandRegistry[verb]; ok {
+				continue
+			}
+			if _, ok := verbAliases[verb]; ok {
+				continue
+			}
+			t.Errorf("help lists %q (from %q) but it is not a registered command", verb, entry.Name)
+		}
+	}
+}
+
+// alwaysAvailable is a second hand-maintained verb list; it must not drift
+// from the registry either.
+func TestAlwaysAvailableCommandsAreRegistered(t *testing.T) {
+	for _, verb := range alwaysAvailable {
+		if _, ok := commandRegistry[verb]; !ok {
+			t.Errorf("alwaysAvailable lists %q but it is not registered", verb)
+		}
+	}
+}