Merge pull request #2413 from MatthewShao/jest-dev

[web] Add tests for js/components/*

1 files changed, 50 insertions, 0 deletions

diff --git a/web/src/js/__tests__/components/FlowTableSpec.js b/web/src/js/__tests__/components/FlowTableSpec.js
new file mode 100644
index 00000000..4d8de12c
--- /dev/null
+++ b/web/src/js/__tests__/components/FlowTableSpec.js
@@ -0,0 +1,50 @@
+import React from 'react'
+import renderer from 'react-test-renderer'
+import FlowTable from '../../components/FlowTable'
+import TestUtils from 'react-dom/test-utils'
+import { TFlow, TStore } from '../ducks/tutils'
+import { Provider } from 'react-redux'
+
+window.addEventListener = jest.fn()
+
+describe('FlowTable Component', () => {
+    let selectFn = jest.fn(),
+        tflow = TFlow(),
+        store = TStore()
+
+    it('should render correctly', () => {
+        let provider = renderer.create(
+                <Provider store={store}>
+                    <FlowTable onSelect={selectFn} flows={[tflow]}/>
+                </Provider>),
+            tree = provider.toJSON()
+        expect(tree).toMatchSnapshot()
+    })
+
+    let provider = TestUtils.renderIntoDocument(
+        <Provider store={store} >
+            <FlowTable onSelect={selectFn} flows={[tflow]}/>
+        </Provider>),
+        flowTable = TestUtils.findRenderedComponentWithType(provider, FlowTable)
+
+    it('should handle componentWillUnmount', () => {
+        flowTable.componentWillUnmount()
+        expect(window.addEventListener).toBeCalledWith('resize', flowTable.onViewportUpdate)
+    })
+
+    it('should handle componentDidUpdate', () => {
+        // flowTable.shouldScrollIntoView == false
+        expect(flowTable.componentDidUpdate()).toEqual(undefined)
+        // rowTop - headHeight < viewportTop
+        flowTable.shouldScrollIntoView = true
+        flowTable.componentDidUpdate()
+        // rowBottom > viewportTop + viewportHeight
+        flowTable.shouldScrollIntoView = true
+        flowTable.componentDidUpdate()
+    })
+
+    it('should handle componentWillReceiveProps', () => {
+        flowTable.componentWillReceiveProps({selected: tflow})
+        expect(flowTable.shouldScrollIntoView).toBeTruthy()
+    })
+})