SOLR-1835: run the core tests in parallel... not perfect but a start

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/branches/newtrunk@926470 13f79535-47bb-0310-9956-ffa450edef68

solr/build.xml

@@ -375,8 +375,51 @@
         description="Runs the core unit tests."
         depends="test-core, test-contrib" />
 
-  <target name="junit" depends="compileTests,dist-contrib">
+  <condition property="runsequential">
+    <isset property="testcase"/>
+  </condition>
 
+  <target name="junit" depends="compileTests,dist-contrib,junit-sequential,junit-parallel"/>
+
+  <target name="junit-sequential" if="runsequential">
+    <junit-macro/>
+  </target>
+
+  <target name="junit-parallel" unless="runsequential">
+   <parallel threadsPerProcessor="2">
+    <junit-macro pattern="S"/>
+    <junit-macro pattern="D"/>
+    <junit-macro pattern="A"/>
+    <junit-macro pattern="B"/>
+    <junit-macro pattern="C"/>
+    <junit-macro pattern="E"/>
+    <junit-macro pattern="F"/>
+    <junit-macro pattern="G"/>
+    <junit-macro pattern="H"/>
+    <junit-macro pattern="I"/>
+    <junit-macro pattern="J"/>
+    <junit-macro pattern="K"/>
+    <junit-macro pattern="L"/>
+    <junit-macro pattern="M"/>
+    <junit-macro pattern="N"/>
+    <junit-macro pattern="O"/>
+    <junit-macro pattern="P"/>
+    <junit-macro pattern="Q"/>
+    <junit-macro pattern="R"/>
+    <junit-macro pattern="T"/>
+    <junit-macro pattern="U"/>
+    <junit-macro pattern="V"/>
+    <junit-macro pattern="W"/>
+    <junit-macro pattern="X"/>
+    <junit-macro pattern="Y"/>
+    <junit-macro pattern="Z"/>
+   </parallel>
+  </target>
+
+
+  <macrodef name="junit-macro">
+  <attribute name="pattern" default=""/>
+    <sequential>
     <!-- no description so it doesn't show up in -projecthelp -->  
     <mkdir dir="${junit.output.dir}"/>
     <condition property="runall">
@@ -404,17 +447,17 @@
       <jvmarg line="${dir.prop}"/>
       <jvmarg line="${args}"/>
 
-      <formatter type="brief" usefile="false" if="junit.details"/>
+      <formatter classname="${junit.details.formatter}" usefile="false" if="junit.details"/>
       <classpath refid="test.run.classpath"/>
       <formatter type="${junit.formatter}"/>
       <batchtest fork="yes" todir="${junit.output.dir}" if="runall">
-        <fileset dir="src/test" includes="${junit.includes}"/>
+        <fileset dir="src/test" includes="**/Test@{pattern}*.java,**/@{pattern}*Test.java"/>
       </batchtest>
       <batchtest fork="yes" todir="${junit.output.dir}" if="testpackage">
-        <fileset dir="src/test" includes="**/${testpackage}/**/Test*.java,**/${testpackage}/**/*Test.java"/>
+        <fileset dir="src/test" includes="**/${testpackage}/**/Test@{pattern}*.java,**/${testpackage}/**/@{pattern}*Test.java"/>
       </batchtest>
       <batchtest fork="yes" todir="${junit.output.dir}" if="testpackageroot">
-        <fileset dir="src/test" includes="**/${testpackageroot}/Test*.java,**/${testpackageroot}/*Test.java"/>
+        <fileset dir="src/test" includes="**/${testpackageroot}/Test@{pattern}*.java,**/${testpackageroot}/@{pattern}*Test.java"/>
       </batchtest>
       <batchtest fork="yes" todir="${junit.output.dir}" if="testcase">
         <fileset dir="src/test" includes="**/${testcase}.java"/>
@@ -422,7 +465,9 @@
     </junit>
 
     <fail if="tests.failed">Tests failed!</fail>
-  </target>
+    </sequential>
+  </macrodef>
+
       
   <target name="test-reports"
           description="Generates HTML test reports.">
@@ -509,6 +554,7 @@
          <exclude name="junit-*.jar" />
          <exclude name="*.txt" />
          <exclude name="*.template" />
+         <exclude name="apache-ant-*.jar" />
        </lib>
       
        <lib dir="lucene-libs"/>

solr/common-build.xml

@@ -103,6 +103,7 @@
   <property name="junit.output.dir" location="${common-solr.dir}/${dest}/test-results"/>
   <property name="junit.reports" location="${common-solr.dir}/${dest}/test-results/reports"/>
   <property name="junit.formatter" value="plain"/>
+  <property name="junit.details.formatter" value="org.apache.solr.SolrJUnitResultFormatter"/>
 
   <!-- Maven properties -->
   <property name="maven.build.dir" value="${basedir}/build/maven"/>

solr/lib/apache-ant-1.7.1.jar

@@ -0,0 +1,2 @@
+AnyObjectId[704717779f6d0d7eb026dc7af78a35e51adeec8b] was removed in git history.
+Apache SVN contains full history.

solr/lib/apache-ant-junit-1.7.1.jar

@@ -0,0 +1,2 @@
+AnyObjectId[063cce4f940033fa6e33d3e590cf6f5051129295] was removed in git history.
+Apache SVN contains full history.

solr/src/test/org/apache/solr/SolrJUnitResultFormatter.java

@@ -0,0 +1,226 @@
+/*
+ *  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.apache.solr;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.text.NumberFormat;
+
+import junit.framework.AssertionFailedError;
+import junit.framework.Test;
+
+import org.apache.tools.ant.taskdefs.optional.junit.JUnitResultFormatter;
+import org.apache.tools.ant.taskdefs.optional.junit.JUnitTest;
+import org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner;
+import org.apache.tools.ant.util.FileUtils;
+import org.apache.tools.ant.util.StringUtils;
+
+/**
+ * Just like BriefJUnitResultFormatter "brief" bundled with ant,
+ * except all formatted text is buffered until the test suite is finished.
+ * At this point, the output is written at once in synchronized fashion.
+ * This way tests can run in parallel without interleaving output.
+ */
+public class SolrJUnitResultFormatter implements JUnitResultFormatter {
+  private static final double ONE_SECOND = 1000.0;
+  
+  /** Where to write the log to. */
+  private OutputStream out;
+  
+  /** Formatter for timings. */
+  private NumberFormat numberFormat = NumberFormat.getInstance();
+  
+  /** Output suite has written to System.out */
+  private String systemOutput = null;
+  
+  /** Output suite has written to System.err */
+  private String systemError = null;
+  
+  /** Buffer output until the end of the test */
+  private StringBuilder sb;
+
+  /** Constructor for SolrJUnitResultFormatter. */
+  public SolrJUnitResultFormatter() {
+    sb = new StringBuilder();
+  }
+  
+  /**
+   * Sets the stream the formatter is supposed to write its results to.
+   * @param out the output stream to write to
+   */
+  public void setOutput(OutputStream out) {
+    this.out = out;
+  }
+  
+  /**
+   * @see JUnitResultFormatter#setSystemOutput(String)
+   */
+  /** {@inheritDoc}. */
+  public void setSystemOutput(String out) {
+    systemOutput = out;
+  }
+  
+  /**
+   * @see JUnitResultFormatter#setSystemError(String)
+   */
+  /** {@inheritDoc}. */
+  public void setSystemError(String err) {
+    systemError = err;
+  }
+  
+  
+  /**
+   * The whole testsuite started.
+   * @param suite the test suite
+   */
+  public synchronized void startTestSuite(JUnitTest suite) {
+    if (out == null) {
+      return; // Quick return - no output do nothing.
+    }
+    sb.setLength(0);
+    sb.append("Testsuite: ");
+    sb.append(suite.getName());
+    sb.append(StringUtils.LINE_SEP);
+  }
+  
+  /**
+   * The whole testsuite ended.
+   * @param suite the test suite
+   */
+  public synchronized void endTestSuite(JUnitTest suite) {
+    sb.append("Tests run: ");
+    sb.append(suite.runCount());
+    sb.append(", Failures: ");
+    sb.append(suite.failureCount());
+    sb.append(", Errors: ");
+    sb.append(suite.errorCount());
+    sb.append(", Time elapsed: ");
+    sb.append(numberFormat.format(suite.getRunTime() / ONE_SECOND));
+    sb.append(" sec");
+    sb.append(StringUtils.LINE_SEP);
+    sb.append(StringUtils.LINE_SEP);
+    
+    // append the err and output streams to the log
+    if (systemOutput != null && systemOutput.length() > 0) {
+      sb.append("------------- Standard Output ---------------")
+      .append(StringUtils.LINE_SEP)
+      .append(systemOutput)
+      .append("------------- ---------------- ---------------")
+      .append(StringUtils.LINE_SEP);
+    }
+    
+    if (systemError != null && systemError.length() > 0) {
+      sb.append("------------- Standard Error -----------------")
+      .append(StringUtils.LINE_SEP)
+      .append(systemError)
+      .append("------------- ---------------- ---------------")
+      .append(StringUtils.LINE_SEP);
+    }
+    
+    if (out != null) {
+      try {
+        out.write(sb.toString().getBytes());
+        out.flush();
+      } catch (IOException e) {
+        throw new RuntimeException("unable to write results", e);
+      } finally {
+        if (out != System.out && out != System.err) {
+          FileUtils.close(out);
+        }
+      }
+    }
+  }
+  
+  /**
+   * A test started.
+   * @param test a test
+   */
+  public void startTest(Test test) {
+  }
+  
+  /**
+   * A test ended.
+   * @param test a test
+   */
+  public void endTest(Test test) {
+  }
+  
+  /**
+   * Interface TestListener for JUnit <= 3.4.
+   *
+   * <p>A Test failed.
+   * @param test a test
+   * @param t    the exception thrown by the test
+   */
+  public void addFailure(Test test, Throwable t) {
+    formatError("\tFAILED", test, t);
+  }
+  
+  /**
+   * Interface TestListener for JUnit &gt; 3.4.
+   *
+   * <p>A Test failed.
+   * @param test a test
+   * @param t    the assertion failed by the test
+   */
+  public void addFailure(Test test, AssertionFailedError t) {
+    addFailure(test, (Throwable) t);
+  }
+  
+  /**
+   * A test caused an error.
+   * @param test  a test
+   * @param error the error thrown by the test
+   */
+  public void addError(Test test, Throwable error) {
+    formatError("\tCaused an ERROR", test, error);
+  }
+  
+  /**
+   * Format the test for printing..
+   * @param test a test
+   * @return the formatted testname
+   */
+  protected String formatTest(Test test) {
+    if (test == null) {
+      return "Null Test: ";
+    } else {
+      return "Testcase: " + test.toString() + ":";
+    }
+  }
+  
+  /**
+   * Format an error and print it.
+   * @param type the type of error
+   * @param test the test that failed
+   * @param error the exception that the test threw
+   */
+  protected synchronized void formatError(String type, Test test,
+      Throwable error) {
+    if (test != null) {
+      endTest(test);
+    }
+    
+    sb.append(formatTest(test) + type);
+    sb.append(error.getMessage());
+    String strace = JUnitTestRunner.getFilteredTrace(error);
+    sb.append(strace);
+    sb.append(StringUtils.LINE_SEP);
+  }
+}