diff --git a/tests/unit_test.go b/tests/unit_test.go
index 94db531..870bbe5 100644
--- a/tests/unit_test.go
+++ b/tests/unit_test.go
@@ -4,7 +4,10 @@ import (
 	"fmt"
 	tbase "testing"
 
+	"git.sr.ht/~cco/go-scopes/config"
 	"git.sr.ht/~cco/go-scopes/lib"
+	"git.sr.ht/~cco/go-scopes/lib/action"
+	"git.sr.ht/~cco/go-scopes/lib/context"
 	"git.sr.ht/~cco/go-scopes/lib/message"
 	"git.sr.ht/~cco/go-scopes/testing"
 )
@@ -14,6 +17,7 @@ func TestUnit(tb *tbase.T) {
 	t.Run("address", AddressTest)
 	t.Run("message", MessageTest)
 	t.Run("payload", PayloadTest)
+	t.Run("action", ActionTest)
 }
 
 func AddressTest(t *testing.T) {
@@ -57,3 +61,17 @@ func PayloadTest(t *testing.T) {
 	pl3 := message.PayloadFromJson[map[string]any](`{"activity": "development"}`)
 	t.AssertEqual(fmt.Sprint(pl3), `{"activity":"development"}`)
 }
+
+func ActionTest(t *testing.T) {
+	var result struct{ data string }
+	var hdlr lib.ActionHandler = func(act lib.Action) bool {
+		result.data = "done"
+		return true
+	}
+	cfg := config.Base("testing", nil).
+		AddAction("doit", action.Base(hdlr))
+	ctx := context.AppContext(cfg)
+	msg := message.SimpleMessage("doit")
+	lib.HandleMsg(ctx, msg)
+	t.AssertEqual(result.data, "done")
+}