src/tests/junit/org/apache/tools/ant/DefaultLoggerTest.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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
 *
 *      https://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.apache.tools.ant;

import org.junit.Test;

import java.io.PrintWriter;

import static org.junit.Assert.assertEquals;

public class DefaultLoggerTest {


    private static String msg(Throwable error, boolean verbose) {
        StringBuffer m = new StringBuffer();
        DefaultLogger.throwableMessage(m, error, verbose);
        return m.toString();
    }

    @SuppressWarnings("serial")
    @Test
    public void testThrowableMessage() { // #43398
        BuildException be = new BuildException("oops", new Location("build.xml", 1, 0));
        assertEquals(String.format("build.xml:1: oops%n"), msg(be, false));
        be = ProjectHelper.addLocationToBuildException(be, new Location("build.xml", 2, 0));
        assertEquals(String.format(
                "build.xml:2: The following error occurred while executing this line:%n"
                        + "build.xml:1: oops%n"), msg(be, false));
        be = ProjectHelper.addLocationToBuildException(be, new Location("build.xml", 3, 0));
        assertEquals(String.format(
                "build.xml:3: The following error occurred while executing this line:%n"
                        + "build.xml:2: The following error occurred while executing this line:%n"
                        + "build.xml:1: oops%n"),
                msg(be, false));
        Exception x = new Exception("problem") {
            public void printStackTrace(PrintWriter w) {
                w.println("problem");
                w.println("  at p.C.m");
            }
        };
        assertEquals(String.format("problem%n  at p.C.m%n"), msg(x, false));

        be = new BuildException(x, new Location("build.xml", 1, 0));
        assertEquals(String.format("build.xml:1: problem%n  at p.C.m%n"), msg(be, false));

        be = ProjectHelper.addLocationToBuildException(be, new Location("build.xml", 2, 0));
        assertEquals(String.format("build.xml:2: The following error occurred while executing this line:%n"
                        + "build.xml:1: problem%n  at p.C.m%n"), msg(be, false));
    }

}