Allow test props to be added to elements

Add new config settings (leftElementProps, inputProps, rightElementProps), so we can add test props (e.g. testID, accessibilityLabel, etc) to each of the main elements for end-to-end testing.

Author: OneHatRepo

index.js

@@ -754,7 +754,8 @@ class InputSpinner extends Component {
 				onShowUnderlay={this.onShowUnderlay.bind(this, "left")}
 				disabled={this._isDisabledButtonLeft()}
 				style={buttonStyle}
-				onPress={() => this.decrease()}>
+				onPress={() => this.decrease()}
+				{...this.props.leftElementProps}>
 				{this._renderLeftButtonElement()}
 			</TouchableHighlight>
 		);
@@ -788,7 +789,8 @@ class InputSpinner extends Component {
 				onShowUnderlay={this.onShowUnderlay.bind(this, "right")}
 				disabled={this._isDisabledButtonRight()}
 				style={buttonStyle}
-				onPress={() => this.increase()}>
+				onPress={() => this.increase()}
+				{...this.props.rightElementProps}>
 				{this._renderRightButtonElement()}
 			</TouchableHighlight>
 		);
@@ -800,7 +802,7 @@ class InputSpinner extends Component {
 	 */
 	render() {
 		return (
-			<View style={this._getContainerStyle()}>
+			<View style={this._getContainerStyle()} {...this.props.containerProps}>
 				{this._renderLeftButton()}
 
 				{this.props.prepend}
@@ -822,6 +824,7 @@ class InputSpinner extends Component {
 					keyboardType={this._getKeyboardType()}
 					onChangeText={this.onChange.bind(this)}
 					onSubmitEditing={this.onSubmit.bind(this)}
+					{...this.props.inputProps}
 				/>
 
 				{this.props.children}
@@ -891,6 +894,10 @@ InputSpinner.propTypes = {
 	append: PropTypes.element,
 	prepend: PropTypes.element,
 	decimalSeparator: PropTypes.string,
+	containerProps: PropTypes.object,
+	leftElementProps: PropTypes.object,
+	inputProps: PropTypes.object,
+	rightElementProps: PropTypes.object,
 };
 
 InputSpinner.defaultProps = {
@@ -936,6 +943,10 @@ InputSpinner.defaultProps = {
 	inputStyle: {},
 	style: {},
 	decimalSeparator: ".",
+	containerProps: {},
+	leftElementProps: {},
+	inputProps: {},
+	rightElementProps: {},
 };
 
 export default InputSpinner;