[NoQA] add perf tests to OptionsSelector

src/components/OptionsList/BaseOptionsList.js

@@ -291,6 +291,7 @@ function BaseOptionsList({
                         onViewableItemsChanged={onViewableItemsChanged}
                         bounces={bounces}
                         ListFooterComponent={renderFooterContent}
+                        testID="options-list"
                     />
                 </>
             )}

src/components/OptionsSelector/BaseOptionsSelector.js

@@ -489,6 +489,7 @@ class BaseOptionsSelector extends Component {
                 spellCheck={false}
                 shouldInterceptSwipe={this.props.shouldTextInputInterceptSwipe}
                 isLoading={this.props.isLoadingNewOptions}
+                testID="options-selector-input"
             />
         );
         const optionsList = (

tests/perf-test/OptionsSelector.perf-test.js

@@ -0,0 +1,130 @@
+import {fireEvent} from '@testing-library/react-native';
+import React from 'react';
+import {measurePerformance} from 'reassure';
+import _ from 'underscore';
+import OptionsSelector from '@src/components/OptionsSelector';
+import CONST from '@src/CONST';
+import variables from '@src/styles/variables';
+
+jest.mock('../../src/components/withLocalize', () => (Component) => {
+    function WrappedComponent(props) {
+        return (
+            <Component
+                // eslint-disable-next-line react/jsx-props-no-spreading
+                {...props}
+                translate={() => ''}
+            />
+        );
+    }
+    WrappedComponent.displayName = `WrappedComponent`;
+    return WrappedComponent;
+});
+
+jest.mock('../../src/components/withNavigationFocus', () => (Component) => {
+    function WithNavigationFocus(props) {
+        return (
+            <Component
+                // eslint-disable-next-line react/jsx-props-no-spreading
+                {...props}
+                isFocused={false}
+            />
+        );
+    }
+
+    WithNavigationFocus.displayName = 'WithNavigationFocus';
+
+    return WithNavigationFocus;
+});
+
+const generateSections = (sectionConfigs) =>
+    _.map(sectionConfigs, ({numItems, indexOffset, shouldShow = true}) => ({
+        data: Array.from({length: numItems}, (_v, i) => ({
+            text: `Item ${i + indexOffset}`,
+            keyForList: `item-${i + indexOffset}`,
+        })),
+        indexOffset,
+        shouldShow,
+    }));
+
+const singleSectionSConfig = [{numItems: 1000, indexOffset: 0}];
+
+const mutlipleSectionsConfig = [
+    {numItems: 1000, indexOffset: 0},
+    {numItems: 100, indexOffset: 70},
+];
+
+function OptionsSelectorWrapper(args) {
+    const sections = generateSections(singleSectionSConfig);
+    return (
+        <OptionsSelector
+            value="test"
+            sections={sections}
+            // eslint-disable-next-line react/jsx-props-no-spreading
+            {...args}
+        />
+    );
+}
+
+const runs = CONST.PERFORMANCE_TESTS.RUNS;
+
+test('[OptionsSelector] should render text input with interactions', () => {
+    const scenario = (screen) => {
+        const textInput = screen.getByTestId('options-selector-input');
+        fireEvent.changeText(textInput, 'test');
+        fireEvent.changeText(textInput, 'test2');
+        fireEvent.changeText(textInput, 'test3');
+    };
+
+    measurePerformance(<OptionsSelectorWrapper />, {scenario, runs});
+});
+
+test('[OptionsSelector] should render 1 section', () => {
+    measurePerformance(<OptionsSelectorWrapper />, {runs});
+});
+
+test('[OptionsSelector] should render mutliple sections', () => {
+    const sections = generateSections(mutlipleSectionsConfig);
+    measurePerformance(<OptionsSelectorWrapper sections={sections} />, {runs});
+});
+
+test('[OptionsSelector] should press a list items', () => {
+    const scenario = (screen) => {
+        fireEvent.press(screen.getByText('Item 1'));
+        fireEvent.press(screen.getByText('Item 5'));
+        fireEvent.press(screen.getByText('Item 10'));
+    };
+
+    measurePerformance(<OptionsSelectorWrapper />, {scenario, runs});
+});
+
+test('[OptionsSelector] should scroll and press few items', () => {
+    const sections = generateSections(mutlipleSectionsConfig);
+
+    const generateEventData = (numOptions, optionRowHeight) => ({
+        nativeEvent: {
+            contentOffset: {
+                y: optionRowHeight * numOptions,
+            },
+            contentSize: {
+                height: optionRowHeight * 10,
+                width: 100,
+            },
+            layoutMeasurement: {
+                height: optionRowHeight * 5,
+                width: 100,
+            },
+        },
+    });
+
+    const eventData = generateEventData(100, variables.optionRowHeight);
+    const eventData2 = generateEventData(200, variables.optionRowHeight);
+    const scenario = (screen) => {
+        fireEvent.press(screen.getByText('Item 10'));
+        fireEvent.scroll(screen.getByTestId('options-list'), eventData);
+        fireEvent.press(screen.getByText('Item 100'));
+        fireEvent.scroll(screen.getByTestId('options-list'), eventData2);
+        fireEvent.press(screen.getByText('Item 200'));
+    };
+
+    measurePerformance(<OptionsSelectorWrapper sections={sections} />, {scenario, runs});
+});