From 37c2b47c26dea9b143b2720761cdce21dafd3884 Mon Sep 17 00:00:00 2001
From: Jason <jason.daurus@gmail.com>
Date: Mon, 27 Jun 2016 18:36:21 +0800
Subject: [web] add tests for utils

---
 web/src/js/__tests__/ducks/utils/view.js | 154 +++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 web/src/js/__tests__/ducks/utils/view.js

(limited to 'web/src/js/__tests__/ducks/utils/view.js')

diff --git a/web/src/js/__tests__/ducks/utils/view.js b/web/src/js/__tests__/ducks/utils/view.js
new file mode 100644
index 00000000..1b07f723
--- /dev/null
+++ b/web/src/js/__tests__/ducks/utils/view.js
@@ -0,0 +1,154 @@
+jest.unmock('../../../ducks/utils/view')
+jest.unmock('lodash')
+
+import reduce, * as view from '../../../ducks/utils/view'
+import _ from 'lodash'
+
+describe('view reduce', () => {
+
+    it('should filter items', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 1 }
+        ])
+        expect(reduce(state, view.updateFilter(state, item => item.id === 1))).toEqual(result)
+    })
+
+    it('should sort items', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 2 },
+            { id: 1 }
+        ])
+        expect(reduce(state, view.updateSort((a, b) => b.id - a.id))).toEqual(result)
+    })
+
+    it('should add item', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 1 },
+            { id: 2 },
+            { id: 3 }
+        ])
+        expect(reduce(state, view.add({ id: 3 }))).toEqual(result)
+    })
+
+    it('should add item in place', () => {
+        const state = createState([
+            { id: 1 }
+        ])
+        const result = createState([
+            { id: 3 },
+            { id: 1 }
+        ])
+        expect(reduce(state, view.add({ id: 3 }, undefined, (a, b) => b.id - a.id))).toEqual(result)
+    })
+
+    it('should filter added item', () => {
+        const state = createState([
+            { id: 1 }
+        ])
+        const result = createState([
+            { id: 1 }
+        ])
+        expect(reduce(state, view.add({ id: 3 }, i => i.id === 1))).toEqual(result)
+    })
+
+    it('should update item', () => {
+        const state = createState([
+            { id: 1, val: 1 },
+            { id: 2, val: 2 }
+        ])
+        const result = createState([
+            { id: 1, val: 1 },
+            { id: 2, val: 3 }
+        ])
+        expect(reduce(state, view.update(2, { id: 2, val: 3 }))).toEqual(result)
+    })
+
+    it('should sort updated item', () => {
+        const state = createState([
+            { id: 1, val: 1 },
+            { id: 2, val: 2 }
+        ])
+        const result = createState([
+            { id: 2, val: 3 },
+            { id: 1, val: 1 }
+        ])
+        expect(reduce(state, view.update(2, { id: 2, val: 3 }, undefined, (a, b) => b.id - a.id))).toEqual(result)
+    })
+
+    it('should filter updated item', () => {
+        const state = createState([
+            { id: 1, val: 1 },
+            { id: 2, val: 2 }
+        ])
+        const result = createState([
+            { id: 1, val: 1 }
+        ])
+        result.indexOf[2] = null
+        expect(reduce(state, view.update(2, { id: 2, val: 3 }, i => i.id === i.val))).toEqual(result)
+    })
+
+    it('should remove item', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 1 }
+        ])
+        result.indexOf[2] = null
+        expect(reduce(state, view.remove(2))).toEqual(result)
+    })
+
+    it('should replace items', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 1 }
+        ])
+        expect(reduce(state, view.receive({ data: [{ id: 1 }] }))).toEqual(result)
+    })
+
+    it('should sort received items', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 2 },
+            { id: 1 }
+        ])
+        expect(reduce(state, view.receive({ data: [{ id: 1 }, { id: 2 }] }, undefined, (a, b) => b.id - a.id))).toEqual(result)
+    })
+
+    it('should filter received', () => {
+        const state = createState([
+            { id: 1 },
+            { id: 2 }
+        ])
+        const result = createState([
+            { id: 1 }
+        ])
+        expect(reduce(state, view.receive({ data: [{ id: 1 }, { id: 2 }] }, i => i.id === 1))).toEqual(result)
+    })
+})
+
+function createState(items) {
+    return {
+        data: items,
+        indexOf: _.fromPairs(items.map((item, index) => [item.id, index]))
+    }
+}
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