1 files changed, 38 insertions, 0 deletions
diff --git a/test/content/reducers/addon.test.js b/test/content/reducers/addon.test.js
new file mode 100644
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+++ b/test/content/reducers/addon.test.js
@@ -0,0 +1,38 @@
+import { expect } from "chai";
+import actions from 'content/actions';
+import addonReducer from 'content/reducers/addon';
+
+describe("addon reducer", () => {
+  it('return the initial state', () => {
+    let state = addonReducer(undefined, {});
+    expect(state).to.have.property('enabled', true);
+  });
+
+  it('return next state for ADDON_ENABLE', () => {
+    let action = { type: actions.ADDON_ENABLE};
+    let prev = { enabled: false };
+    let state = addonReducer(prev, action);
+
+    expect(state.enabled).is.equal(true);
+  });
+
+  it('return next state for ADDON_DISABLE', () => {
+    let action = { type: actions.ADDON_DISABLE};
+    let prev = { enabled: true };
+    let state = addonReducer(prev, action);
+
+    expect(state.enabled).is.equal(false);
+  });
+
+  it('return next state for ADDON_TOGGLE_ENABLED', () => {
+    let action = { type: actions.ADDON_TOGGLE_ENABLED };
+    let state = { enabled: false };
+
+    state = addonReducer(state, action);
+    expect(state.enabled).is.equal(true);
+
+    state = addonReducer(state, action);
+    expect(state.enabled).is.equal(false);
+  });
+
+});