/*
* Copyright 2012 the original author or authors.
*
* 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 org.gradle.api.internal.tasks.testing.logging;
import com.google.common.base.Strings;
import org.gradle.api.tasks.testing.TestDescriptor;
import org.gradle.api.tasks.testing.logging.TestLogging;
import org.gradle.internal.serialize.PlaceholderException;
import java.util.List;
public class ShortExceptionFormatter implements TestExceptionFormatter {
private static final String INDENT = " ";
private final TestLogging testLogging;
public ShortExceptionFormatter(TestLogging testLogging) {
this.testLogging = testLogging;
}
@Override
public String format(TestDescriptor descriptor, List<Throwable> exceptions) {
StringBuilder builder = new StringBuilder();
for (Throwable exception : exceptions) {
printException(descriptor, exception, false, 1, builder);
}
return builder.toString();
}
private void printException(TestDescriptor descriptor, Throwable exception, boolean cause, int indentLevel, StringBuilder builder) {
String indent = Strings.repeat(INDENT, indentLevel);
builder.append(indent);
if (cause) {
builder.append("Caused by: ");
}
String className = exception instanceof PlaceholderException
? ((PlaceholderException) exception).getExceptionClassName() : exception.getClass().getName();
builder.append(className);
StackTraceFilter filter = new StackTraceFilter(new ClassMethodNameStackTraceSpec(descriptor.getClassName(), null));
List<StackTraceElement> stackTrace = filter.filter(exception);
if (stackTrace.size() > 0) {
StackTraceElement element = stackTrace.get(0);
builder.append(" at ");
builder.append(element.getFileName());
builder.append(':');
builder.append(element.getLineNumber());
}
builder.append('\n');
if (testLogging.getShowCauses() && exception.getCause() != null) {
printException(descriptor, exception.getCause(), true, indentLevel + 1, builder);
}
}
}