1 files changed, 25 insertions, 0 deletions
diff --git a/test/content/reducers/input.test.ts b/test/content/reducers/input.test.ts
new file mode 100644
index 0000000..f892201
--- /dev/null
+++ b/test/content/reducers/input.test.ts
@@ -0,0 +1,25 @@
+import * as actions from 'content/actions';
+import inputReducer from 'content/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, key: 'a' };
+    let state = inputReducer(undefined, action);
+    expect(state).to.have.deep.property('keys', ['a']);
+
+    action = { type: actions.INPUT_KEY_PRESS, key: 'b' };
+    state = inputReducer(state, action);
+    expect(state).to.have.deep.property('keys', ['a', 'b']);
+  });
+
+  it('return next state for INPUT_CLEAR_KEYS', () => {
+    let action = { type: actions.INPUT_CLEAR_KEYS };
+    let state = inputReducer({ keys: [1, 2, 3] }, action);
+    expect(state).to.have.deep.property('keys', []);
+  });
+});