Fix sequence describe name

Author: strax

src/index.ts

@@ -20,9 +20,7 @@ export class ReducerTestContext<S> {
   }
 
   public snapshotAction(action: Action, payloadName?: string): void {
-    const actionName = `${action.type}(${payloadName ||
-      JSON.stringify(action.payload)})`;
-    describe(actionName, () => {
+    describe(this.actionName(action, payloadName), () => {
       it("matches snapshot", async () => {
         const store = this.makeStore(this.defaultState);
         await Promise.resolve(store.dispatch(action));
@@ -37,8 +35,11 @@ export class ReducerTestContext<S> {
       store.dispatch(action);
       return store.getState();
     });
-    it("matches snapshot", () => {
-      expect(states).toMatchSnapshot();
+    const actionNames = actions.map(action => this.actionName(action));
+    describe(`(sequence) ${actionNames}`, () => {
+      it("matches snapshot", () => {
+        expect(states).toMatchSnapshot();
+      });
     });
   }
 
@@ -53,6 +54,10 @@ export class ReducerTestContext<S> {
       expect(this.defaultState).toMatchSnapshot();
     });
   }
+
+  private actionName(action: Action, payloadName?: string) {
+    return `${action.type}(${payloadName || JSON.stringify(action.payload)})`;
+  }
 }
 
 export default function reducerTest<S>(

test/__snapshots__/index.test.ts.snap

@@ -1,13 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`reducer SET_A("other a") matches snapshot 1`] = `
-Object {
-  "a": "other a",
-  "d": 0,
-}
-`;
-
-exports[`reducer matches snapshot 1`] = `
+exports[`reducer (sequence) SET_B({"c":true}),SET_A("some other") matches snapshot 1`] = `
 Array [
   Object {
     "a": "a",
@@ -25,3 +18,10 @@ Array [
   },
 ]
 `;
+
+exports[`reducer SET_A("other a") matches snapshot 1`] = `
+Object {
+  "a": "other a",
+  "d": 0,
+}
+`;

test/index.test.ts

@@ -2,6 +2,7 @@ import reducer, {setA, setB } from "./reducer";
 import reducerTest from "../src/index";
 
 describe("reducer", reducerTest(reducer)(function () {
+  this.expectInitialState({ a: "a", d: 0 });
   this.snapshotAction(setA("other a"));
   this.snapshotActionSequence(setB({ c: true }), setA("some other"));
 }));

test/reducer.ts

@@ -23,6 +23,8 @@ export default function reducer(state: State = DEFAULT_STATE, action: Action): S
       return { ...state, b: action.payload };
     case "SET_D":
       return { ...state, d: action.payload };
+    default:
+      return state;
   }
 }