add subdux test

src/mutations.test.todo

@@ -5,22 +5,6 @@ import { action } from './actions.js';
 
 import { Updux, dux } from './Updux.js';
 
-test('mutation of a subdux', async () => {
-    const bar = dux({
-        actions: {
-            baz: null,
-        },
-    });
-    bar.setMutation('baz', () => (state) => ({ ...state, x: 1 }));
-
-    const foo = dux({
-        subduxes: { bar },
-    });
-
-    const store = foo.createStore();
-    store.dispatch.baz();
-    expect(store.getState()).toMatchObject({ bar: { x: 1 } });
-});
 
 test('strings and generators', async () => {
     const actionA = action('a');

src/mutations.test.ts

@@ -1,6 +1,6 @@
 import { test, expect } from 'vitest';
 
-import Updux from './index.js';
+import Updux, { createAction } from './index.js';
 
 test('set a mutation', () => {
     const dux = new Updux({
@@ -53,3 +53,21 @@ test('default mutation', () => {
     expect(dux.reducer(undefined, { type: 'foo' })).toEqual('got it');
     expect(dux.reducer(undefined, { type: 'bar' })).toEqual('bar');
 });
+
+test('mutation of a subdux', () => {
+    const baz = createAction('baz');
+
+    const bar = new Updux({
+        initial: 0,
+        actions: {
+            baz,
+        },
+    });
+    bar.addMutation(baz, () => () => 1);
+
+    const foo = new Updux({
+        subduxes: { bar },
+    });
+
+    expect(foo.reducer(undefined, baz())).toHaveProperty('bar', 1);
+});