How to use verifyChanged method of io.appium.java_client.ScreenshotState class

...154     * @throws ScreenshotComparisonTimeout if the calculated score is still155     *                                     greater or equal to the given score after timeout happens156     * @throws ScreenshotComparisonError   if {@link #remember()} method has not been invoked yet157     */158    public ScreenshotState verifyChanged(Duration timeout, double minScore) {159        return checkState((x) -> x < minScore, timeout);160    }161    /**162     * Verifies whether the state of the screenshot provided by stateProvider lambda function163     * is not changed within the given timeout.164     *165     * @param timeout   timeout value166     * @param minScore  the value in range (0.0, 1.0)167     * @return self instance for chaining168     * @throws ScreenshotComparisonTimeout if the calculated score is still169     *                                     less than the given score after timeout happens170     * @throws ScreenshotComparisonError   if {@link #remember()} method has not been invoked yet171     */172    public ScreenshotState verifyNotChanged(Duration timeout, double minScore) {...

...64    @Test65    public void testChangedImageVerification() {66        final ScreenshotState currentState = new ScreenshotState(randomImageOfStaticSize::generate)67                .remember();68        assertThat(currentState.verifyChanged(ONE_SECOND, MAX_SCORE), is(notNullValue()));69    }70    @Test71    public void testChangedImageVerificationWithDifferentSize() {72        final ScreenshotState currentState = new ScreenshotState(randomImageOfRandomSize::generate)73                .remember();74        assertThat(currentState.verifyChanged(ONE_SECOND, MAX_SCORE,75                ScreenshotState.ResizeMode.REFERENCE_TO_TEMPLATE_RESOLUTION), is(notNullValue()));76    }77    @Test78    public void testChangedImageVerificationWithCustomRememberedImage() {79        final ScreenshotState currentState = new ScreenshotState(randomImageOfRandomSize::generate)80                .remember(randomImageOfRandomSize.generate());81        assertThat(currentState.verifyChanged(ONE_SECOND, MAX_SCORE,82                ScreenshotState.ResizeMode.REFERENCE_TO_TEMPLATE_RESOLUTION), is(notNullValue()));83    }84    @Test85    public void testChangedImageVerificationWithCustomInterval() {86        final ScreenshotState currentState = new ScreenshotState(randomImageOfRandomSize::generate)87                .setComparisonInterval(Duration.ofMillis(100)).remember();88        assertThat(currentState.verifyChanged(ONE_SECOND, MAX_SCORE,89                ScreenshotState.ResizeMode.REFERENCE_TO_TEMPLATE_RESOLUTION), is(notNullValue()));90    }91    @Test92    public void testDirectOverlapScoreCalculation() {93        final BufferedImage anImage = staticImage.generate();94        final double score = ScreenshotState.getOverlapScore(anImage, anImage);95        assertThat(score, is(greaterThanOrEqualTo(MAX_SCORE)));96    }97    @Test98    public void testScreenshotComparisonUsingStaticMethod() {99        BufferedImage img1 = randomImageOfStaticSize.generate();100        // ImageIO.write(img1, "png", new File("img1.png"));101        BufferedImage img2 = randomImageOfStaticSize.generate();102        // ImageIO.write(img2, "png", new File("img2.png"));103        assertThat(ScreenshotState.getOverlapScore(img1, img2), is(lessThan(MAX_SCORE)));104    }105    //endregion106    //region Negative Tests107    @Test(expected = ScreenshotState.ScreenshotComparisonError.class)108    public void testDifferentSizeOfTemplates() {109        new ScreenshotState(randomImageOfRandomSize::generate).remember().verifyChanged(ONE_SECOND, MAX_SCORE);110    }111    @Test(expected = NullPointerException.class)112    public void testInvalidProvider() {113        new ScreenshotState(() -> null).remember();114    }115    @Test(expected = ScreenshotState.ScreenshotComparisonTimeout.class)116    public void testImagesComparisonExpectationFailed() {117        new ScreenshotState(randomImageOfStaticSize::generate).remember().verifyNotChanged(ONE_SECOND, MAX_SCORE);118    }119    @Test(expected = ScreenshotState.ScreenshotComparisonTimeout.class)120    public void testImagesComparisonExpectationFailed2() {121        new ScreenshotState(staticImage::generate).remember().verifyChanged(ONE_SECOND, MAX_SCORE);122    }123    @Test(expected = ScreenshotState.ScreenshotComparisonError.class)124    public void testScreenshotInitialStateHasNotBeenRemembered() {125        new ScreenshotState(staticImage::generate).verifyNotChanged(ONE_SECOND, MAX_SCORE);126    }127    //endregion128}...

1import org.junit.Test;2import org.openqa.selenium.OutputType;3import org.openqa.selenium.TakesScreenshot;4import org.openqa.selenium.support.ui.ExpectedConditions;5import org.openqa.selenium.support.ui.WebDriverWait;6import io.appium.java_client.AppiumDriver;7import io.appium.java_client.MobileElement;8import io.appium.java_client.android.AndroidDriver;9import io.appium.java_client.android.AndroidElement;10import io.appium.java_client.ScreenshotState;11import java.io.File;12import java.net.URL;13import java.util.concurrent.TimeUnit;14import static org.junit.Assert.assertTrue;15public class VerifyChangedTest {16    public void verifyChangedTest() throws Exception {

1import io.appium.java_client.ScreenshotState;2import io.appium.java_client.ScreenshotState.ScreenshotStateVerification;3import io.appium.java_client.TouchAction;4import io.appium.java_client.android.AndroidDriver;5import io.appium.java_client.android.AndroidElement;6import java.net.MalformedURLException;7import java.net.URL;8import java.util.concurrent.TimeUnit;9import org.openqa.selenium.WebElement;10import org.openqa.selenium.remote.DesiredCapabilities;11import org.testng.annotations.AfterTest;12import org.testng.annotations.BeforeTest;13import org.testng.annotations.Test;14public class verifyChanged {15    private AndroidDriver<WebElement> driver;16    public void setUp() throws MalformedURLException {17        DesiredCapabilities capabilities = new DesiredCapabilities();18        capabilities.setCapability("deviceName", "Android Emulator");19        capabilities.setCapability("platformVersion", "4.4");20        capabilities.setCapability("appPackage", "io.appium.android.apis");21        capabilities.setCapability("appActivity", ".ApiDemos");

1import io.appium.java_client.ScreenshotState;2ScreenshotState state = new ScreenshotState();3state.verifyChanged("path/to/first/screenshot", "path/to/second/screenshot");4from appium.webdriver.common.touch_action import ScreenshotState5state = ScreenshotState()6state.verify_changed("path/to/first/screenshot", "path/to/second/screenshot")7var ScreenshotState = require('appium.webdriver.common.touchaction').ScreenshotState;8var state = new ScreenshotState();9state.verifyChanged("path/to/first/screenshot", "path/to/second/screenshot");10state.verify_changed("path/to/first/screenshot", "path/to/second/screenshot")11state.verifyChanged("path/to/first/screenshot", "path/to/second/screenshot")12use Appium\TouchAction\ScreenshotState;13$state = new ScreenshotState();14$state->verifyChanged("path/to/first/screenshot", "path/to/second/screenshot");15my $state = Appium::TouchAction::ScreenshotState->new;16$state->verify_changed("path/to/first/screenshot", "path/to/second/screenshot");17state := appium.webdriver.common.touchaction.ScreenshotState{}18state.VerifyChanged("path/to/first/screenshot", "path/to/second/screenshot")