Add Jest snapshot tests to TextInput

Summary:
$title

Changelog: [Internal]

Reviewed By: yungsters

Differential Revision: D18536359

fbshipit-source-id: 382c81c094c0ae28ec3e203cb0726bdbccf755dc

Libraries/Components/TextInput/__tests__/TextInput-test.js

@@ -18,7 +18,10 @@ const ReactNative = require('../../../Renderer/shims/ReactNative');
 
 import Component from '@reactions/component';
 
-const {enter} = require('../../../Utilities/ReactNativeTestTools');
+const {
+  enter,
+  expectRendersMatchingSnapshot,
+} = require('../../../Utilities/ReactNativeTestTools');
 
 jest.unmock('../TextInput');
 
@@ -150,4 +153,14 @@ describe('TextInput tests', () => {
     expect(textInputRe2.current.isFocused()).toBe(true);
     expect(TextInput.State.currentlyFocusedField()).toBe(inputTag2);
   });
+
+  it('should render as expected', () => {
+    expectRendersMatchingSnapshot(
+      'TextInput',
+      () => <TextInput />,
+      () => {
+        jest.dontMock('../TextInput');
+      },
+    );
+  });
 });

Libraries/Components/TextInput/__tests__/__snapshots__/TextInput-test.js.snap

@@ -0,0 +1,69 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`TextInput tests should render as expected: should deep render when mocked (please verify output manually) 1`] = `
+<RCTSinglelineTextInputView
+  accessible={true}
+  allowFontScaling={true}
+  focusable={true}
+  forwardedRef={null}
+  onBlur={[Function]}
+  onChange={[Function]}
+  onClick={[Function]}
+  onFocus={[Function]}
+  onResponderGrant={[Function]}
+  onResponderMove={[Function]}
+  onResponderRelease={[Function]}
+  onResponderTerminate={[Function]}
+  onResponderTerminationRequest={[Function]}
+  onScroll={[Function]}
+  onSelectionChange={[Function]}
+  onSelectionChangeShouldSetResponder={[Function]}
+  onStartShouldSetResponder={[Function]}
+  rejectResponderTermination={true}
+  selection={null}
+  text=""
+  underlineColorAndroid="transparent"
+/>
+`;
+
+exports[`TextInput tests should render as expected: should deep render when not mocked (please verify output manually) 1`] = `
+<RCTSinglelineTextInputView
+  accessible={true}
+  allowFontScaling={true}
+  focusable={true}
+  forwardedRef={null}
+  onBlur={[Function]}
+  onChange={[Function]}
+  onClick={[Function]}
+  onFocus={[Function]}
+  onResponderGrant={[Function]}
+  onResponderMove={[Function]}
+  onResponderRelease={[Function]}
+  onResponderTerminate={[Function]}
+  onResponderTerminationRequest={[Function]}
+  onScroll={[Function]}
+  onSelectionChange={[Function]}
+  onSelectionChangeShouldSetResponder={[Function]}
+  onStartShouldSetResponder={[Function]}
+  rejectResponderTermination={true}
+  selection={null}
+  text=""
+  underlineColorAndroid="transparent"
+/>
+`;
+
+exports[`TextInput tests should render as expected: should shallow render as <TextInput /> when mocked 1`] = `
+<ForwardRef(TextInput)
+  allowFontScaling={true}
+  rejectResponderTermination={true}
+  underlineColorAndroid="transparent"
+/>
+`;
+
+exports[`TextInput tests should render as expected: should shallow render as <TextInput /> when not mocked 1`] = `
+<ForwardRef(TextInput)
+  allowFontScaling={true}
+  rejectResponderTermination={true}
+  underlineColorAndroid="transparent"
+/>
+`;