[web] bug fix and add test

1 files changed, 36 insertions, 0 deletions

diff --git a/web/src/js/__tests__/ducks/ui/header.js b/web/src/js/__tests__/ducks/ui/header.js
new file mode 100644
index 00000000..8968e636
--- /dev/null
+++ b/web/src/js/__tests__/ducks/ui/header.js
@@ -0,0 +1,36 @@
+jest.unmock('../../../ducks/ui/header')
+jest.unmock('../../../ducks/flows')
+
+import reducer, { setActiveMenu } from '../../../ducks/ui/header'
+import * as flowActions from '../../../ducks/flows'
+
+describe('header reducer', () => {
+    it('should return the initial state', () => {
+        expect(reducer(undefined, {}).activeMenu).toEqual('Start')
+    })
+
+    it('should return the state for view', () => {
+        expect(reducer(undefined, setActiveMenu('View')).activeMenu).toEqual('View')
+    })
+
+    it('should change the state to Start when deselecting a flow and we a currently at the flow tab', () => {
+        expect(reducer(
+            { activeMenu: 'Flow', isFlowSelected: true },
+            flowActions.select(undefined)).activeMenu
+        ).toEqual('Start')
+    })
+
+    it('should change the state to Flow when we selected a flow and no flow was selected before', () => {
+        expect(reducer(
+            { activeMenu: 'Start', isFlowSelected: false },
+            flowActions.select(1)).activeMenu
+        ).toEqual('Flow')
+    })
+
+    it('should not change the state to Flow when OPTIONS tab is selected and we selected a flow and a flow as selected before', () => {
+        expect(reducer(
+            { activeMenu: 'Options', isFlowSelected: true },
+            flowActions.select(1)
+        ).activeMenu).toEqual('Options')
+    })
+})