net.thucydides.core.model.ScreenshotPermission Maven / Gradle / Ivy

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package net.thucydides.core.model;

import com.google.common.base.Optional;
import net.thucydides.core.annotations.Screenshots;
import net.thucydides.core.reflection.StackTraceAnalyser;
import net.thucydides.core.webdriver.Configuration;

import java.lang.reflect.Method;

public class ScreenshotPermission {

    private final Configuration configuration;

    public ScreenshotPermission(Configuration configuration) {
        this.configuration = configuration;
    }


    public boolean areAllowed(TakeScreenshots takeScreenshots) {
        Optional overrideLevel = methodOverride();
        if (overrideLevel.isPresent()) {
            return takeScreenshotLevel(takeScreenshots).isAtLeast(overrideLevel.get());
        }

        Optional configuredLevel = configuration.getScreenshotLevel();
        if (configuredLevel.isPresent()) {
            return takeScreenshotLevel(takeScreenshots).isAtLeast(configuredLevel.get());
        } else {
            return legacyScreenshotConfiguration(takeScreenshots);
        }
    }

    private boolean legacyScreenshotConfiguration(TakeScreenshots takeScreenshots) {
        if (configuration.onlySaveFailingScreenshots()) {
            return takeScreenshotLevel(takeScreenshots).isAtLeast(TakeScreenshots.FOR_FAILURES);
        }
        if (configuration.takeVerboseScreenshots()) {
            return takeScreenshotLevel(takeScreenshots).isAtLeast(TakeScreenshots.FOR_EACH_ACTION);
        }
        return takeScreenshotLevel(takeScreenshots).isAtLeast(TakeScreenshots.BEFORE_AND_AFTER_EACH_STEP);
    }

    private Optional methodOverride() {
        for(Method callingMethod : StackTraceAnalyser.inscopeMethodsIn(new Throwable().getStackTrace())) {
            if (callingMethod.getAnnotation(Screenshots.class) != null) {
                return Optional.of(screenshotLevelFrom(callingMethod.getAnnotation(Screenshots.class)));
            }
        }
        return Optional.absent();
    }

    private TakeScreenshots screenshotLevelFrom(Screenshots screenshots) {
        if (screenshots.disabled()) {
            return TakeScreenshots.DISABLED;
        } else if (screenshots.onlyOnFailures()) {
            return TakeScreenshots.FOR_FAILURES;
        } else if (screenshots.forEachAction()) {
            return TakeScreenshots.FOR_EACH_ACTION;
        } else if (screenshots.afterEachStep()) {
            return TakeScreenshots.AFTER_EACH_STEP;
        } else if (screenshots.beforeAndAfterEachStep()) {
            return TakeScreenshots.BEFORE_AND_AFTER_EACH_STEP;
        } else {
            return TakeScreenshots.BEFORE_AND_AFTER_EACH_STEP;
        }
    }

    private TakeScreenshotsComparer takeScreenshotLevel(TakeScreenshots takeScreenshots) {
        return new TakeScreenshotsComparer(takeScreenshots);
    }

    private static class TakeScreenshotsComparer {
        private final TakeScreenshots takeScreenshots;

        private TakeScreenshotsComparer(TakeScreenshots takeScreenshots) {
            this.takeScreenshots = takeScreenshots;
        }

        public boolean isAtLeast(TakeScreenshots requiredLevel) {
            return takeScreenshots.compareTo(requiredLevel) >= 0;
        }
    }
}