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

Best io.appium code snippet using io.appium.java_client.ScreenshotState.remember

ScreenshotState.java

Source:ScreenshotState.java

...21     * The class constructor accepts two arguments. The first one is image comparator, the second22     * parameter is lambda function, that provides the screenshot of the necessary23     * screen area to be verified for similarity.24     * This lambda method is NOT called upon class creation.25     * One has to invoke {@link #remember()} method in order to call it.26     *27     * <p>Examples of provider function with Appium driver:28     * <code>29     * () -&gt; {30     * final byte[] srcImage = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BYTES);31     * return ImageIO.read(new ByteArrayInputStream(srcImage));32     * }33     * </code>34     * or35     * <code>36     * () -&gt; {37     * final byte[] srcImage = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BYTES);38     * final BufferedImage screenshot = ImageIO.read(new ByteArrayInputStream(srcImage));39     * final WebElement element = driver.findElement(locator);40     * // Can be simplified in Selenium 3.0+ by using getRect method of WebElement interface41     * final Point elementLocation = element.getLocation();42     * final Dimension elementSize = element.getSize();43     * return screenshot.getSubimage(44     * new Rectangle(elementLocation.x, elementLocation.y, elementSize.width, elementSize.height);45     * }46     * </code>47     *48     * @param comparator image comparator49     * @param stateProvider lambda function, which returns a screenshot for further comparison50     */51    public ScreenshotState(ComparesImages comparator, Supplier<BufferedImage> stateProvider) {52        this.comparator = checkNotNull(comparator);53        this.stateProvider = stateProvider;54    }55    public ScreenshotState(ComparesImages comparator) {56        this(comparator, null);57    }58    /**59     * Gets the interval value in ms between similarity verification rounds in <em>verify*</em> methods.60     *61     * @return current interval value in ms62     */63    public Duration getComparisonInterval() {64        return comparisonInterval;65    }66    /**67     * Sets the interval between similarity verification rounds in <em>verify*</em> methods.68     *69     * @param comparisonInterval interval value. 500 ms by default70     * @return self instance for chaining71     */72    public ScreenshotState setComparisonInterval(Duration comparisonInterval) {73        this.comparisonInterval = comparisonInterval;74        return this;75    }76    /**77     * Call this method to save the initial screenshot state.78     * It is mandatory to call before any <em>verify*</em> method is invoked.79     *80     * @return self instance for chaining81     */82    public ScreenshotState remember() {83        this.previousScreenshot = stateProvider.get();84        return this;85    }86    /**87     * This method allows to pass a custom bitmap for further comparison88     * instead of taking one using screenshot provider function. This might89     * be useful in some advanced cases.90     *91     * @param customInitialState valid bitmap92     * @return self instance for chaining93     */94    public ScreenshotState remember(BufferedImage customInitialState) {95        this.previousScreenshot = checkNotNull(customInitialState);96        return this;97    }98    public static class ScreenshotComparisonError extends RuntimeException {99        private static final long serialVersionUID = -7011854909939194466L;100        ScreenshotComparisonError(Throwable reason) {101            super(reason);102        }103        ScreenshotComparisonError(String message) {104            super(message);105        }106    }107    public static class ScreenshotComparisonTimeout extends RuntimeException {108        private static final long serialVersionUID = 6336247721154252476L;109        private final double currentScore;110        ScreenshotComparisonTimeout(String message, double currentScore) {111            super(message);112            this.currentScore = currentScore;113        }114        public double getCurrentScore() {115            return currentScore;116        }117    }118    private ScreenshotState checkState(Function<Double, Boolean> checkerFunc, Duration timeout) {119        final LocalDateTime started = LocalDateTime.now();120        double score;121        do {122            final BufferedImage currentState = stateProvider.get();123            score = getOverlapScore(ofNullable(this.previousScreenshot)124                    .orElseThrow(() -> new ScreenshotComparisonError("Initial screenshot state is not set. "125                            + "Nothing to compare")), currentState);126            if (checkerFunc.apply(score)) {127                return this;128            }129            try {130                Thread.sleep(comparisonInterval.toMillis());131            } catch (InterruptedException e) {132                throw new ScreenshotComparisonError(e);133            }134        }135        while (Duration.between(started, LocalDateTime.now()).compareTo(timeout) <= 0);136        throw new ScreenshotComparisonTimeout(137                String.format("Screenshot comparison timed out after %s ms. Actual similarity score: %.5f",138                        timeout.toMillis(), score), score);139    }140    /**141     * Verifies whether the state of the screenshot provided by stateProvider lambda function142     * is changed within the given timeout.143     *144     * @param timeout  timeout value145     * @param minScore the value in range (0.0, 1.0)146     * @return self instance for chaining147     * @throws ScreenshotComparisonTimeout if the calculated score is still148     *                                     greater or equal to the given score after timeout happens149     * @throws ScreenshotComparisonError   if {@link #remember()} method has not been invoked yet150     */151    public ScreenshotState verifyChanged(Duration timeout, double minScore) {152        return checkState((x) -> x < minScore, timeout);153    }154    /**155     * Verifies whether the state of the screenshot provided by stateProvider lambda function156     * is not changed within the given timeout.157     *158     * @param timeout   timeout value159     * @param minScore  the value in range (0.0, 1.0)160     * @return self instance for chaining161     * @throws ScreenshotComparisonTimeout if the calculated score is still162     *                                     less than the given score after timeout happens163     * @throws ScreenshotComparisonError   if {@link #remember()} method has not been invoked yet164     */165    public ScreenshotState verifyNotChanged(Duration timeout, double minScore) {166        return checkState((x) -> x >= minScore, timeout);167    }168    /**169     * Compares two valid java bitmaps and calculates similarity score between them.170     * Both images are expected to be of the same size/resolution. The method171     * implicitly invokes {@link ComparesImages#getImagesSimilarity(byte[], byte[])}.172     *173     * @param refImage   reference image174     * @param tplImage   template175     * @return similarity score value in range (-1.0, 1.0]. 1.0 is returned if the images are equal176     * @throws ScreenshotComparisonError if provided images are not valid or have177     *                                   different resolution...

ScreenshotStateTests.java

Source:ScreenshotStateTests.java

...57    //region Positive Tests58    @Test59    public void testBasicComparisonScenario() {60        final ScreenshotState currentState = new ScreenshotState(staticImage::generate)61                .remember();62        assertThat(currentState.verifyNotChanged(ONE_SECOND, MAX_SCORE), is(notNullValue()));63    }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}...

remember

Using AI Code Generation

1ScreenshotState state = new ScreenshotState();2state.remember();3ScreenshotState state = new ScreenshotState();4state.forget();5var state = new ScreenshotState();6state.remember();7var state = new ScreenshotState();8state.forget();9state = ScreenshotState()10state.remember()11state = ScreenshotState()12state.forget()13$state = new ScreenshotState();14$state->remember();15$state = new ScreenshotState();16$state->forget();17state := new ScreenshotState()18state.remember()19state := new ScreenshotState()20state.forget()21ScreenshotState state = new ScreenshotState();22state.remember();23ScreenshotState state = new ScreenshotState();24state.forget();25let state = ScreenshotState()26state.remember()27let state = ScreenshotState()28state.forget()

remember

Using AI Code Generation

1{2    private static final List<WeakReference> REMEMBERED = new ArrayList<WeakReference>();3    public static void remember(WebElement element)4    {5        REMEMBERED.add(new WeakReference(element));6    }7    public static void forget(WebElement element)8    {9        for (WeakReference ref : REMEMBERED)10        {11            if (ref.get() == element)12            {13                REMEMBERED.remove(ref);14                break;15            }16        }17    }18    public static boolean isRemembered(WebElement element)19    {20        for (WeakReference ref : REMEMBERED)21        {22            if (ref.get() == element)23            {24                return true;25            }26        }27        return false;28    }29}30public void perform()31{32    if (this.actions.isEmpty())33    {34        throw new IllegalStateException("No actions to perform");35    }36    if (this.driver instanceof AppiumDriver)37    {38        ((AppiumDriver)this.driver).performTouchAction(this);39    }40    {41        if (this.driver instanceof AndroidDriver)42        {43            ((AndroidDriver)this.driver).performTouchAction(this);44        }45        {46            if (this.driver instanceof IOSDriver)47            {48                ((IOSDriver)this.driver).performTouchAction(this);49            }50            {51                throw new IllegalStateException("Driver does not support touch actions");52            }53        }54    }55}56public void performTouchAction(TouchAction action)57{58    this.execute(DriverCommand.PERFORM_TOUCH_ACTION, ImmutableMap.of("actions", action.getActions()));59}60public void performMultiAction(MultiTouchAction action)61{62    this.execute(DriverCommand.PERFORM_MULTI_ACTION, ImmutableMap.of("actions", action.getActions()));63}64public void perform()65{66    if (this.actions.isEmpty())67    {68        throw new IllegalStateException("No actions to perform");69    }70    if (this.driver instanceof AppiumDriver)71    {72        ((Appium

remember

Using AI Code Generation

1public class AppiumTest {2    public void rememberScreenshot() {3        ScreenshotState.remember(driver, "screenshot");4    }5}6class AppiumTest(unittest.TestCase):7    def test_remember_screenshot(self):8        ScreenshotState.remember(driver, "screenshot")9        ScreenshotState.remember(driver, "screenshot")10describe('AppiumTest', function() {11    it('should remember screenshot', function() {12        ScreenshotState.remember(driver, "screenshot");13    });14});15public class AppiumTest {16    public void rememberScreenshot() {17        ScreenshotState.remember(driver, "screenshot");18    }19}20func AppiumTest(t *testing.T) {21    t.Run("rememberScreenshot", func(t *testing.T) {22        ScreenshotState.remember(driver, "screenshot");23    })24}25class AppiumTest {26    fun rememberScreenshot() {27        ScreenshotState.remember(driver,

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