1 files changed, 67 insertions, 0 deletions
diff --git a/web/src/js/__tests__/ducks/flowViewSpec.js b/web/src/js/__tests__/ducks/flowViewSpec.js
new file mode 100644
index 00000000..d5d9a6d9
--- /dev/null
+++ b/web/src/js/__tests__/ducks/flowViewSpec.js
@@ -0,0 +1,67 @@
+jest.unmock('../../ducks/flows')
+jest.unmock('../../ducks/flowView')
+jest.unmock('../../ducks/utils/view')
+jest.unmock('../../ducks/utils/list')
+jest.unmock('./tutils')
+
+import { createStore } from './tutils'
+
+import flows, * as flowActions from '../../ducks/flows'
+import flowView, * as flowViewActions from '../../ducks/flowView'
+
+
+function testStore() {
+    let store = createStore({
+        flows,
+        flowView
+    })
+    for (let i of [1, 2, 3, 4]) {
+        store.dispatch(
+            flowActions.addFlow({ id: i })
+        )
+    }
+    return store
+}
+
+describe('select relative', () => {
+
+    function testSelect(start, relative, result) {
+        const store = testStore()
+        store.dispatch(flowActions.select(start))
+        expect(store.getState().flows.selected).toEqual(start ? [start] : [])
+        store.dispatch(flowViewActions.selectRelative(relative))
+        expect(store.getState().flows.selected).toEqual([result])
+    }
+
+    describe('previous', () => {
+
+        it('should select the previous flow', () => {
+            testSelect(3, -1, 2)
+        })
+
+        it('should not changed when first flow is selected', () => {
+            testSelect(1, -1, 1)
+        })
+
+        it('should select first flow if no flow is selected', () => {
+            testSelect(undefined, -1, 1)
+        })
+
+    })
+
+    describe('next', () => {
+
+        it('should select the next flow', () => {
+            testSelect(2, 1, 3)
+        })
+
+        it('should not changed when last flow is selected', () => {
+            testSelect(4, 1, 4)
+        })
+
+        it('should select last flow if no flow is selected', () => {
+            testSelect(undefined, 1, 4)
+        })
+
+    })
+})