diff --git a/src/Updux.js b/src/Updux.js
index 36f2455..ad7a9c7 100644
--- a/src/Updux.js
+++ b/src/Updux.js
@@ -116,8 +116,11 @@ export class Updux {
         return this;
     }
 
-    createStore() {
+    addEffect(action, effect) {
+        this.#effects = [...this.#effects, [action, effect]];
+    }
 
+    createStore() {
         const store = reduxCreateStore(
             this.reducer,
             this.initial,
diff --git a/src/Updux.test.js b/src/Updux.test.js
index 7d30994..c2b552a 100644
--- a/src/Updux.test.js
+++ b/src/Updux.test.js
@@ -56,7 +56,7 @@ test('addAction', async (t) => {
     t.same(Object.keys(dux.actions).sort(), ['bar', 'foo']);
 });
 
-test('basic selectors', { todo: true }, async (t) => {
+test('basic selectors', async (t) => {
     const alpha = new Updux({
         initial: { quux: 3 },
         selectors: {
@@ -96,7 +96,7 @@ test('basic selectors', { todo: true }, async (t) => {
     t.equal(store.selectors.getAdd(7), 8);
 });
 
-test('mutations', { todo: false }, async (t) => {
+test('mutations', async (t) => {
     const alpha = new Updux({
         initial: { quux: 3 },
     });
@@ -147,24 +147,23 @@ test('mutations', { todo: false }, async (t) => {
     });
 });
 
-test( 'middleware', async(t) => {
+test('middleware', async (t) => {
     const fooEffect = sinon.fake.returns(true);
 
     const dux = new Updux({
         effects: {
-            foo: () => next => action => {
+            foo: () => (next) => (action) => {
                 fooEffect();
                 next(action);
-            }
-        }
+            },
+        },
     });
 
     const store = dux.createStore();
 
-    t.notOk( fooEffect.called, 'not called yet' );
+    t.notOk(fooEffect.called, 'not called yet');
 
-    store.dispatch({type: 'foo'});
+    store.dispatch({ type: 'foo' });
 
-    t.ok( fooEffect.called, "now it's been called" );
-
-} );
+    t.ok(fooEffect.called, "now it's been called");
+});
diff --git a/src/buildSelectors/index.js b/src/buildSelectors/index.js
index 9e03942..b2bbc62 100644
--- a/src/buildSelectors/index.js
+++ b/src/buildSelectors/index.js
@@ -7,6 +7,5 @@ export function buildSelectors(localSelectors, subduxes) {
         return mapValues(selectors, (func) => (state) => func(state[slice]));
     });
 
-    console.log(subSelectors);
     return merge({}, ...subSelectors, localSelectors);
 }
diff --git a/src/selectors.test.js b/src/selectors.test.js
index 918328c..1db21ea 100644
--- a/src/selectors.test.js
+++ b/src/selectors.test.js
@@ -3,7 +3,7 @@ import { test } from 'tap';
 import { Updux } from './Updux.js';
 import { action } from './actions.js';
 
-test('basic selectors', async t => {
+test('basic selectors', async (t) => {
     const updux = new Updux({
         subduxes: {
             bogeys: new Updux({
@@ -28,7 +28,7 @@ test('basic selectors', async t => {
     t.equal(updux.selectors.bogey(state)('foo'), 1);
 });
 
-test('available in the middleware', async t => {
+test('available in the middleware', async (t) => {
     const doIt = action('doIt');
 
     const updux = new Updux({
@@ -42,15 +42,18 @@ test('available in the middleware', async t => {
             }),
         },
         effects: {
-            doIt: ({ selectors: { bogey }, getState }) => next => action => {
-                next({
-                    ...action,
-                    payload: bogey(getState())('enkidu'),
-                });
-            },
+            doIt:
+                ({ selectors: { bogey }, getState }) =>
+                (next) =>
+                (action) => {
+                    next({
+                        ...action,
+                        payload: bogey(getState())('enkidu'),
+                    });
+                },
         },
         mutations: {
-            doIt: payload => state => ({ ...state, payload }),
+            doIt: (payload) => (state) => ({ ...state, payload }),
         },
     });
 
@@ -60,69 +63,77 @@ test('available in the middleware', async t => {
     t.match(store.getState(), { payload: 'foo' });
 });
 
-test('selector typescript', async t => {
+test('selector typescript', async (t) => {
     const bar = new Updux({
         initial: { baz: 1 },
         selectors: {
             getBaz: (state) => state.baz,
-            getStringBaz: state => `${state.baz}`,
-            getMultBaz: state => (mult) => state.baz * mult,
+            getStringBaz: (state) => `${state.baz}`,
+            getMultBaz: (state) => (mult) => state.baz * mult,
         },
     });
 
-
     t.same(bar.selectors.getBaz(bar.initial), 1);
     t.same(bar.selectors.getMultBaz({ baz: 3 })(2), 6);
 
-    test('subduxes', async t => {
+    test('subduxes', async (t) => {
         const foo = new Updux({
             subduxes: { bar },
             selectors: {
-                getRoot: () => 'root'
-            }
+                getRoot: () => 'root',
+            },
         });
 
         t.same(foo.selectors.getBaz(foo.initial), 1);
         t.same(foo.selectors.getMultBaz({ bar: { baz: 3 } })(2), 6);
 
-        t.ok( foo.selectors.getRoot );
+        t.ok(foo.selectors.getRoot);
     });
 
-    test('no root selector', async t => {
+    test('no root selector', async (t) => {
         const foo = new Updux({
             subduxes: {
                 quux: new Updux({}),
                 bar: new Updux({
                     selectors: {
-                        getBaz: () => 'baz'
-                    }
-                })
-            }
+                        getBaz: () => 'baz',
+                    },
+                }),
+            },
         });
 
         t.ok(foo.selectors.getBaz);
     });
 });
 
-test('selector in mw', async () => {
-    const myDux = new Updux(
-        {
-            initial: { stuff: 12 },
-            subduxes: {
-                bar: new Updux({
-                    initial: 'potato',
-                    selectors: { getBar: () => 'meh' }
-                })
-            },
-            selectors: {
-                // TODO here we should auto-populate the state
-                getStuff: (state) => state.stuff
-            }
-        }
-    );
-
-    myDux.addEffect( '*', ({
-        selectors, getState
-    }) => () => () => {
+test('selector in mw', async (t) => {
+    const myDux = new Updux({
+        initial: { stuff: 12 },
+        subduxes: {
+            bar: new Updux({
+                initial: 'potato',
+                selectors: { getBar: () => 'meh' },
+            }),
+        },
+        selectors: {
+            getStuff: (state) => state.stuff,
+        },
     });
+
+    let ranEffect = false;
+
+    myDux.addEffect('*', ({ selectors, getState }) => () => () => {
+        ['getStuff', 'getBar'].forEach((selector) =>
+            t.type(selectors[selector], 'function')
+        );
+
+        t.equal(getState.getStuff(), 12);
+        t.equal(getState.getBar(), 'meh');
+
+        ranEffect = true;
+    });
+
+    myDux.createStore().dispatch({ type: 'foo' });
+
+    t.ok(ranEffect);
 });