java/java.navigation/test/unit/src/org/netbeans/modules/java/stackanalyzer/StackLineAnalyserTest.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
 *
 *   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.netbeans.modules.java.stackanalyzer;

import java.io.BufferedReader;
import java.io.StringReader;
import javax.swing.DefaultListModel;
import org.junit.Test;
import org.netbeans.junit.NbTestCase;

/**
 *
 * @author Jan Lahoda
 */
public class StackLineAnalyserTest extends NbTestCase {

    public StackLineAnalyserTest(String name) {
        super(name);
    }

    @Test
    public void testMatches() throws Exception {
        assertTrue(StackLineAnalyser.matches("at java.lang.String.lastIndexOf(String.java:1627)"));
        assertTrue(StackLineAnalyser.matches(" at java.lang.String.lastIndexOf(String.java:1627)"));
        assertTrue(StackLineAnalyser.matches("asdf at java.lang.String.lastIndexOf(String.java:1627)"));
        assertTrue(StackLineAnalyser.matches("at java.lang.String.lastIndexOf(String.java:1627) asdf"));
        assertTrue(StackLineAnalyser.matches("at org.netbeans.modules.x.SessionNode.<init>(SessionNode.java:131)"));
        assertTrue(StackLineAnalyser.matches("at org.netbeans.modules.x.SessionNode.<clinit>(SessionNode.java:131)"));
        assertTrue(StackLineAnalyser.matches("at javaapplication8.Main$1.run(Main.java:32)"));
        assertTrue(StackLineAnalyser.matches("at javaapplication8.Main$Inner.go(Main.java:40)"));
        assertTrue(StackLineAnalyser.matches("             [exec]     at org.openide.filesystems.FileUtil.normalizeFileOnMac(FileUtil.java:1714)"));
    }

    @Test
    public void testModuleStackTraceMatches() throws Exception {
        assertTrue(StackLineAnalyser.matches("at library.Library.init(Utilities/Library.java:24)"));
        assertTrue(StackLineAnalyser.matches("at library.Library.init(org.netbeans.api.Utilities/Library.java:24)"));
    }

    @Test
    public void testAnalyse() throws Exception {
        StackLineAnalyser.Link l = StackLineAnalyser.analyse("at java.lang.String.lastIndexOf(String.java:1627)");
        assertEquals(3, l.getStartOffset());
        assertEquals(49, l.getEndOffset());
        l = StackLineAnalyser.analyse(" at java.lang.String.lastIndexOf(String.java:1627)");
        assertEquals(4, l.getStartOffset());
        assertEquals(50, l.getEndOffset());
        l = StackLineAnalyser.analyse("asdf at java.lang.String.lastIndexOf(String.java:1627)");
        assertEquals(8, l.getStartOffset());
        assertEquals(54, l.getEndOffset());
        l = StackLineAnalyser.analyse("at java.lang.String.lastIndexOf(String.java:1627) dfasdf");
        assertEquals(3, l.getStartOffset());
        assertEquals(49, l.getEndOffset());
    }

    @Test
    public void testFillListModelSimple() throws Exception {
        testFillListModelSkeleton(
                      "at java.lang.String.lastIndexOf(String.java:1627)",
        new String[] {"at java.lang.String.lastIndexOf(String.java:1627)"});
    }

    private void testFillListModelSkeleton(String input, String []output) throws Exception {
        StringReader sr = new StringReader(input);
        BufferedReader r = new BufferedReader (sr);
        DefaultListModel model = new DefaultListModel ();
        AnalyzeStackTopComponent.fillListModel(r, model);
        for (int i = 0; i < output.length; i++) {
            assertEquals(output[i], model.elementAt(i));
        }
    }

    @Test
    public void testFillListModelTrim() throws Exception {
        testFillListModelSkeleton(
                      "  at java.lang.String.lastIndexOf(String.java:1627)  ",
        new String[] {"at java.lang.String.lastIndexOf(String.java:1627)"});
    }
    @Test
    public void testFillListModelTwoLines1() throws Exception {
        testFillListModelSkeleton(
                      "at java.lang.Str\ning.lastIndexOf(String.java:1627)",
        new String[] {"at java.lang.String.lastIndexOf(String.java:1627)"});
    }
    @Test
    public void testFillListModelTwoLines2() throws Exception {
        testFillListModelSkeleton(
                      "asdf at java.lang.String.last\nIndexOf(String.java:1627)",
        new String[] {"asdf at java.lang.String.lastIndexOf(String.java:1627)"});
    }
    @Test
    public void testFillListModelNonMatchingLine() throws Exception {
        testFillListModelSkeleton(
                      "asdf a sdfasdf asdf a fafd \n" +
                      "at java.lang.String.lastIndexOf(String.java:1627)",
        new String[] {"asdf a sdfasdf asdf a fafd",
                      "at java.lang.String.lastIndexOf(String.java:1627)"});
    }
    @Test
    public void testFillListModelNonMatchingLine2() throws Exception {
        testFillListModelSkeleton(
                      "asdf a sdfasdf asdf a fafd \n" +
                      "at java.lang.String.lastIn\ndexOf(String.java:1627)",
        new String[] {"asdf a sdfasdf asdf a fafd",
                      "at java.lang.String.lastIndexOf(String.java:1627)"});
    }
    @Test
    public void testFillListModelNonMatchingLine3() throws Exception {
        testFillListModelSkeleton(
                      "             [exec]     at\n" +
                      "org.openide.filesystems.FileUtil.normalizeFileOnMac(FileUtil.java:1714)",
        new String[] {"[exec]     at org.openide.filesystems.FileUtil.normalizeFileOnMac(FileUtil.java:1714)"});
    }
    @Test
    public void testFillListModelInner() throws Exception {
        testFillListModelSkeleton(
                      "at javaapplication8.Main$Inn\ner.go(Main.java:40)",
        new String[] {"at javaapplication8.Main$Inner.go(Main.java:40)"});
    }
    @Test
    public void testFillListModelInner2() throws Exception {
        testFillListModelSkeleton(
                      "   at\njavaapplication8.Main$Inner.go(Main.java:40)",
        new String[] {"at javaapplication8.Main$Inner.go(Main.java:40)"});
    }
    @Test
    public void testFillListModelAnonymous() throws Exception {
        testFillListModelSkeleton(
                      " at javaapp\nlication8.Main$1.run(Main.java:32)",
        new String[] {"at javaapplication8.Main$1.run(Main.java:32)"});
    }
    @Test
    public void testFillListModelComplex() throws Exception {
        testFillListModelSkeleton(
                      "   java.lang.Thread.State: WAITING (parking)\n" +
                      "    at sun.misc.Unsafe.park(Native Method)\n" +
                      "    - parking to wait for  <0x000000010c0773e8> (a\n" +
                      "java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)\n" +
                      "    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)\n" +
                      "    at\n" +
                      "java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925)\n" +
                      "    at\n" +
                      "java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)\n" +
                      "    at\n" +
                      "java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)\n" +
                      "    at\n" +
                      "java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)\n" +
                      "    at java.lang.Thread.run(Thread.java:637)\n",
        new String[] {
                      "java.lang.Thread.State: WAITING (parking)",
                      "at sun.misc.Unsafe.park(Native Method)",
                      "- parking to wait for  <0x000000010c0773e8> (a",
                      "java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)",
                      "at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)",
                      "at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925)",
                      "at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)",
                      "at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)",
                      "at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)",
                      "at java.lang.Thread.run(Thread.java:637)"
        });
    }
}