Merge pull request #2359 from MatthewShao/jest-dev

[web] Add tests for components/EventLog & components/FlowView

2 files changed, 52 insertions, 0 deletions

diff --git a/web/src/js/__tests__/components/EventLog/EventListSpec.js b/web/src/js/__tests__/components/EventLog/EventListSpec.js
new file mode 100644
index 00000000..4f14dfba
--- /dev/null
+++ b/web/src/js/__tests__/components/EventLog/EventListSpec.js
@@ -0,0 +1,22 @@
+import React from 'react'
+import EventLogList from '../../../components/EventLog/EventList'
+import TestUtils from 'react-dom/test-utils'
+
+describe('EventList Component', () => {
+     let mockEventList = [
+            { id: 1, level: 'info', message: 'foo' },
+            { id: 2, level: 'error', message: 'bar' }
+        ],
+            eventLogList = TestUtils.renderIntoDocument(<EventLogList events={mockEventList}/>)
+
+    it('should render correctly', () => {
+        expect(eventLogList.state).toMatchSnapshot()
+        expect(eventLogList.props).toMatchSnapshot()
+    })
+
+    it('should handle componentWillUnmount', () => {
+        window.removeEventListener = jest.fn()
+        eventLogList.componentWillUnmount()
+        expect(window.removeEventListener).toBeCalledWith('resize', eventLogList.onViewportUpdate)
+    })
+})
diff --git a/web/src/js/__tests__/components/EventLog/__snapshots__/EventListSpec.js.snap b/web/src/js/__tests__/components/EventLog/__snapshots__/EventListSpec.js.snap
new file mode 100644
index 00000000..10bcb598
--- /dev/null
+++ b/web/src/js/__tests__/components/EventLog/__snapshots__/EventListSpec.js.snap
@@ -0,0 +1,30 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`EventList Component should render correctly 1`] = `
+Object {
+  "vScroll": Object {
+    "end": 1,
+    "paddingBottom": 18,
+    "paddingTop": 0,
+    "start": 0,
+  },
+}
+`;
+
+exports[`EventList Component should render correctly 2`] = `
+Object {
+  "events": Array [
+    Object {
+      "id": 1,
+      "level": "info",
+      "message": "foo",
+    },
+    Object {
+      "id": 2,
+      "level": "error",
+      "message": "bar",
+    },
+  ],
+  "rowHeight": 18,
+}
+`;