add tests for input action/reducer

test/actions/input.test.js

@@ -0,0 +1,17 @@
+import { expect } from "chai";
+import actions from '../../src/actions';
+import * as inputActions from '../../src/actions/input';
+
+describe("input actions", () => {
+  describe("keyPress", () => {
+    let action = inputActions.keyPress(123, true);
+    expect(action.type).to.equal(actions.INPUT_KEY_PRESS);
+    expect(action.code).to.equal(123);
+    expect(action.ctrl).to.be.true;
+  });
+
+  describe("clearKeys", () => {
+    let action = inputActions.clearKeys();
+    expect(action.type).to.equal(actions.INPUT_CLEAR_KEYS);
+  });
+});

test/reducers/input.test.js

@@ -0,0 +1,34 @@
+import { expect } from "chai";
+import actions from '../../src/actions';
+import inputReducer from '../../src/reducers/input';
+
+describe("input reducer", () => {
+  it('return the initial state', () => {
+    let state = inputReducer(undefined, {});
+    expect(state).to.have.deep.property('keys', []);
+  });
+
+  it('return next state for INPUT_KEY_PRESS', () => {
+    let action = { type: actions.INPUT_KEY_PRESS, code: 123, ctrl: true };
+    let state = inputReducer(undefined, action);
+    expect(state).to.have.deep.property('keys', [{ code: 123, ctrl: true }]);
+
+    action = { type: actions.INPUT_KEY_PRESS, code: 456, ctrl: false };
+    state = inputReducer(state, action);
+    expect(state).to.have.deep.property('keys', [
+      { code: 123, ctrl: true },
+      { code: 456, ctrl: false }
+    ]);
+  });
+
+  it('return next state for INPUT_CLEAR_KEYS', () => {
+    let action = { type: actions.INPUT_CLEAR_KEYS };
+    let state = inputReducer({
+      keys: [
+        { code: 123, ctrl: true },
+        { code: 456, ctrl: false }
+      ]
+    }, action);
+    expect(state).to.have.deep.property('keys', []);
+  });
+});