1 files changed, 32 insertions, 17 deletions

diff --git a/test/components/Switch.spec.js b/test/components/Switch.spec.js
index db7fe8d8c4..eaac6dc08c 100644
--- a/test/components/Switch.spec.js
+++ b/test/components/Switch.spec.js
@@ -1,7 +1,7 @@
 // @flow
 
 import { expect } from 'chai';
-import React from 'react';
+import * as React from 'react';
 import ReactDOM from 'react-dom';
 import ReactTestUtils, { Simulate } from 'react-dom/test-utils';
 import Switch from '../../app/components/Switch';
@@ -10,7 +10,7 @@ describe('components/Switch', () => {
 
   let container: ?HTMLElement;
 
-  function renderIntoDocument(instance: React.Element<*>): React.Component<*, *, *> {
+  function renderIntoDocument(instance: React.Element<*>): React.Component<*, *> {
     if(container) {
       throw new Error('Unmount previously rendered component first.');
     }
@@ -42,10 +42,12 @@ describe('components/Switch', () => {
       <Switch isOn={ false } onChange={ onChange } />
     );
     const domNode = ReactTestUtils.findRenderedDOMComponentWithTag(component, 'input');
-
-    Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
-    Simulate.mouseUp(domNode, { clientX: 100, clientY: 0 });
-    Simulate.change(domNode, { target: { checked: true } });
+    // See: https://github.com/facebook/flow/pull/5841
+    if(domNode) {
+      Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
+      Simulate.mouseUp(domNode, { clientX: 100, clientY: 0 });
+      Simulate.change(domNode, { target: { checked: true } });
+    }
   });
 
   it('should switch off', (done) => {
@@ -57,10 +59,12 @@ describe('components/Switch', () => {
       <Switch isOn={ true } onChange={ onChange } />
     );
     const domNode = ReactTestUtils.findRenderedDOMComponentWithTag(component, 'input');
-
-    Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
-    Simulate.mouseUp(domNode, { clientX: 100, clientY: 0 });
-    Simulate.change(domNode, { target: { checked: false } });
+    // See: https://github.com/facebook/flow/pull/5841
+    if(domNode) {
+      Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
+      Simulate.mouseUp(domNode, { clientX: 100, clientY: 0 });
+      Simulate.change(domNode, { target: { checked: false } });
+    }
   });
 
   it('should handle left to right swipe', (done) => {
@@ -72,8 +76,10 @@ describe('components/Switch', () => {
       <Switch isOn={ false } onChange={ onChange } />
     );
     const domNode = ReactTestUtils.findRenderedDOMComponentWithTag(component, 'input');
-
-    Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
+    // See: https://github.com/facebook/flow/pull/5841
+    if(domNode) {
+      Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
+    }
 
     // Switch listens to events on document
     document.dispatchEvent(new MouseEvent('mousemove', { clientX: 150, clientY: 0 }));
@@ -90,7 +96,10 @@ describe('components/Switch', () => {
     );
     const domNode = ReactTestUtils.findRenderedDOMComponentWithTag(component, 'input');
 
-    Simulate.mouseDown(domNode, { clientX: 150, clientY: 0 });
+    // See: https://github.com/facebook/flow/pull/5841
+    if(domNode) {
+      Simulate.mouseDown(domNode, { clientX: 150, clientY: 0 });
+    }
 
     // Switch listens to events on document
     document.dispatchEvent(new MouseEvent('mousemove', { clientX: 100, clientY: 0 }));
@@ -105,17 +114,23 @@ describe('components/Switch', () => {
     const component = renderIntoDocument(
       <Switch isOn={ false } onChange={ onChange } />
     );
-    const domNode = ReactTestUtils.findRenderedDOMComponentWithTag(component, 'input');
 
-    Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
+    const domNode = ReactTestUtils.findRenderedDOMComponentWithTag(component, 'input');
+    // See: https://github.com/facebook/flow/pull/5841
+    if(domNode) {
+      Simulate.mouseDown(domNode, { clientX: 100, clientY: 0 });
+    }
 
     setTimeout(() => {
       // Switch listens to events on document
       document.dispatchEvent(new MouseEvent('mouseup', { clientX: 100, clientY: 0 }));
 
       try {
-        // should not trigger onChange()
-        Simulate.change(domNode);
+        // See: https://github.com/facebook/flow/pull/5841
+        if(domNode) {
+          // should not trigger onChange()
+          Simulate.change(domNode);
+        }
         done();
       } catch(e) {
         done(e);