ErrorReportingRunner.java
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.test.internal.runner;
import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunNotifier;
/**
* A {@link Runner} to report a critical initialization failure with a test class that prevents any
* methods from being executed.
*
* <p>Patterned after org.junit.internal.runners.ErrorReportingRunner, which sadly is not public.
*/
public class ErrorReportingRunner extends Runner {
private final String className;
private final Throwable cause;
public ErrorReportingRunner(String className, Throwable e) {
this.className = className;
this.cause = e;
}
@Override
public Description getDescription() {
Description description = Description.createSuiteDescription(className);
description.addChild(describeCause());
return description;
}
private Description describeCause() {
// insert a child with 'initializationError' as display name for consistency with JUnit
return Description.createTestDescription(className, "initializationError");
}
@Override
public void run(RunNotifier notifier) {
Description description = describeCause();
notifier.fireTestStarted(description);
notifier.fireTestFailure(new Failure(description, cause));
notifier.fireTestFinished(description);
}
}