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Code Issues Projects Releases Wiki Activity

Make a screenshot when test fails to help with debugging

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This commit is contained in:
Torsten Grote
2021-03-25 13:53:45 -03:00
parent f971533a5b
commit 8a3dd5472b
3 changed files with 73 additions and 0 deletions
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65
briar-android/src/androidTest/java/org/briarproject/briar/android/ScreenshotOnFailureRule.java Normal file
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@@ -0,0 +1,65 @@
package org.briarproject.briar.android;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import java.io.IOException;
import java.util.HashSet;
import java.util.concurrent.atomic.AtomicBoolean;
import androidx.test.espresso.Espresso;
import androidx.test.espresso.FailureHandler;
import androidx.test.espresso.base.DefaultFailureHandler;
import androidx.test.runner.screenshot.BasicScreenCaptureProcessor;
import androidx.test.runner.screenshot.ScreenCapture;
import androidx.test.runner.screenshot.ScreenCaptureProcessor;
import androidx.test.runner.screenshot.Screenshot;
import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
@NotNullByDefault
public class ScreenshotOnFailureRule implements TestRule {
FailureHandler defaultFailureHandler =
new DefaultFailureHandler(getApplicationContext());
@Override
public Statement apply(Statement base, Description description) {
HashSet<ScreenCaptureProcessor> processors = new HashSet<>(1);
processors.add(new BasicScreenCaptureProcessor());
Screenshot.addScreenCaptureProcessors(processors);
return new Statement() {
@Override
public void evaluate() throws Throwable {
AtomicBoolean errorHandled = new AtomicBoolean(false);
Espresso.setFailureHandler((throwable, matcher) -> {
takeScreenshot(description);
errorHandled.set(true);
defaultFailureHandler.handle(throwable, matcher);
});
try {
base.evaluate();
} catch (Throwable t) {
if (!errorHandled.get()) {
takeScreenshot(description);
}
throw t;
}
}
};
}
private void takeScreenshot(Description description) {
String name = description.getTestClass().getSimpleName();
ScreenCapture capture = Screenshot.capture();
capture.setName(name);
try {
capture.process();
} catch (IOException e) {
e.printStackTrace();
}
}
}

5
briar-android/src/androidTest/java/org/briarproject/briar/android/UiTest.java
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@@ -10,6 +10,7 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.settings.Settings;
import org.briarproject.bramble.api.settings.SettingsManager;
import org.briarproject.briar.R;
import org.junit.ClassRule;
import javax.inject.Inject;
@@ -23,6 +24,10 @@ import static org.briarproject.briar.android.settings.SettingsFragment.SETTINGS_
@SuppressWarnings("WeakerAccess")
public abstract class UiTest {
@ClassRule
public static final ScreenshotOnFailureRule screenshotOnFailureRule =
new ScreenshotOnFailureRule();
protected final String USERNAME =
getApplicationContext().getString(R.string.screenshot_alice);
protected static final String PASSWORD = "123456";