3 files changed, 33 insertions, 1 deletions
diff --git a/test/background/actions/find.test.js b/test/background/actions/find.test.js
new file mode 100644
index 0000000..467604f
--- /dev/null
+++ b/test/background/actions/find.test.js
@@ -0,0 +1,13 @@
+import { expect } from "chai";
+import actions from 'background/actions';
+import * as findActions from 'background/actions/find';
+
+describe("find actions", () => {
+  describe("setKeyword", () => {
+    it('create FIND_SET_KEYWORD action', () => {
+      let action = findActions.setKeyword('banana');
+      expect(action.type).to.equal(actions.FIND_SET_KEYWORD);
+      expect(action.keyword).to.equal('banana');
+    });
+  });
+});
diff --git a/test/background/reducers/find.test.js b/test/background/reducers/find.test.js
new file mode 100644
index 0000000..707d73a
--- /dev/null
+++ b/test/background/reducers/find.test.js
@@ -0,0 +1,19 @@
+import { expect } from "chai";
+import actions from 'background/actions';
+import findReducer from 'background/reducers/find';
+
+describe("find reducer", () => {
+  it('return the initial state', () => {
+    let state = findReducer(undefined, {});
+    expect(state).to.have.deep.property('keyword', null);
+  });
+
+  it('return next state for FIND_SET_KEYWORD', () => {
+    let action = {
+      type: actions.FIND_SET_KEYWORD,
+      keyword: 'cherry',
+    };
+    let state = findReducer(undefined, action);
+    expect(state).to.have.deep.property('keyword', 'cherry')
+  });
+});
diff --git a/test/content/reducers/find.test.js b/test/content/reducers/find.test.js
index 93625da..908b01b 100644
--- a/test/content/reducers/find.test.js
+++ b/test/content/reducers/find.test.js
@@ -5,7 +5,7 @@ import findReducer from 'content/reducers/find';
 describe("find reducer", () => {
   it('return the initial state', () => {
     let state = findReducer(undefined, {});
-    expect(state).to.have.property('keyword', '');
+    expect(state).to.have.property('keyword', null);
     expect(state).to.have.property('found', false);
   });