1 files changed, 35 insertions, 0 deletions
diff --git a/internal/engine/enum_test.go b/internal/engine/enum_test.go
new file mode 100644
index 0000000..416da2a
--- /dev/null
+++ b/internal/engine/enum_test.go
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package engine
+
+import (
+	"testing"
+
+	"krino/internal/enumtest"
+	"krino/internal/plan"
+)
+
+// TestEveryKindHasALogAction: every plan.Kind is written to the log under
+// its own action word - undo reads the log by that word. plan.Kind is an
+// iota block from 0, so the i-th constant is the value i.
+func TestEveryKindHasALogAction(t *testing.T) {
+	kinds, err := enumtest.Names("../plan/step.go", "Kind")
+	if err != nil {
+		t.Fatal(err)
+	}
+	seen := map[string]bool{}
+	for i, name := range kinds {
+		func() {
+			defer func() {
+				if r := recover(); r != nil {
+					t.Errorf("plan.%s has no log action: %v", name, r)
+				}
+			}()
+			a := actionName(plan.Kind(i))
+			if a == "" || seen[a] {
+				t.Errorf("plan.%s logs as %q", name, a)
+			}
+			seen[a] = true
+		}()
+	}
+}