add find action and reducer

test/content/actions/find.test.js

@@ -0,0 +1,19 @@
+import { expect } from "chai";
+import actions from 'content/actions';
+import * as findActions from 'content/actions/find';
+
+describe("find actions", () => {
+  describe("show", () => {
+    it('create FIND_SHOW action', () => {
+      let action = findActions.show();
+      expect(action.type).to.equal(actions.FIND_SHOW);
+    });
+  });
+
+  describe("hide", () => {
+    it('create FIND_HIDE action', () => {
+      let action = findActions.hide();
+      expect(action.type).to.equal(actions.FIND_HIDE);
+    });
+  });
+});

test/content/reducers/find.test.js

@@ -0,0 +1,36 @@
+import { expect } from "chai";
+import actions from 'content/actions';
+import findReducer from 'content/reducers/find';
+
+describe("find reducer", () => {
+  it('return the initial state', () => {
+    let state = findReducer(undefined, {});
+    expect(state).to.have.property('enabled', false);
+    expect(state).to.have.property('keyword', '');
+  });
+
+  it('return next state for FIND_SHOW', () => {
+    let action = { type: actions.FIND_SHOW };
+    let prev = { enabled: false };
+    let state = findReducer(prev, action);
+
+    expect(state.enabled).is.equal(true);
+  });
+
+  it('return next state for FIND_HIDE', () => {
+    let action = { type: actions.FIND_HIDE };
+    let prev = { enabled: true };
+    let state = findReducer(prev, action);
+
+    expect(state.enabled).is.equal(false);
+  });
+
+  it('return next state for FIND_SET_KEYWORD', () => {
+    let action = { type: actions.FIND_SET_KEYWORD, keyword: 'my-search' };
+    let state = { enabled: true, keyword: '' };
+
+    state = findReducer(state, action);
+
+    expect(state.keyword).is.equal('my-search');
+  });
+});