Bugzilla #52151: added ant script to get JaCoCo code coverage

Patch by Mehdi Houshmand, applied with changes


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1203749 13f79535-47bb-0310-9956-ffa450edef68

build.xml

   <property name="javac.source" value="1.5"/>
   <property name="javac.target" value="1.5"/>
   <property name="javac.fork" value="no"/>
-  <property name="junit.fork" value="on"/>
+  <property name="junit.fork" value="yes"/>
   <property name="junit.haltonfailure" value="off"/>
   <property name="javadoc.packages" value="org.apache.fop.*"/>
   <property name="src.dir" value="${basedir}/src"/>
     </sequential>
   </macrodef>
   <target name="junit-all" depends="junit-compile, junit-transcoder, junit-layout-hyphenation, setup-xml-schema" description="Runs FOP's JUnit basic tests" if="junit.present">
-    <junit dir="${basedir}" haltonfailure="yes" fork="${junit.fork}" errorproperty="fop.junit.error" failureproperty="fop.junit.failure">
+    <junit dir="${basedir}" haltonfailure="yes" fork="${junit.fork}" forkmode="once" 
+      errorproperty="fop.junit.error" failureproperty="fop.junit.failure">
       <sysproperty key="jawa.awt.headless" value="true"/>
       <formatter type="brief" usefile="false"/>
       <formatter type="plain" usefile="true"/>
     <junit-run title="standard layout engine" testsuite="org.apache.fop.layoutengine.LayoutEngineTestSuite" outfile="TEST-layoutengine-standard"/>
   </target>
   <target name="junit-layout-hyphenation" depends="hyphenation-present, junit-compile" if="hyphenation.present" description="Runs FOP's JUnit hyphenation layout tests">
-    <property name="fop.layoutengine.testset" value="hyphenation"/>
-    <junit-run title="hyphenation layout engine" testsuite="org.apache.fop.layoutengine.LayoutEngineTestSuite" outfile="TEST-layoutengine-hyphenation"/>
+    <junit-run title="hyphenation layout engine" testsuite="org.apache.fop.layoutengine.HyphenationLayoutTestCase"
+      outfile="TEST-layoutengine-hyphenation"/>
   </target>
   <target name="junit-layout" depends="junit-layout-standard, junit-layout-hyphenation" description="Runs all FOP's JUnit layout tests"/>
   <target name="junit-fotree" depends="junit-compile" description="Runs FOP's FO tree JUnit tests" if="junit.present">
     <junit-run title="render-pdf" testsuite="org.apache.fop.render.pdf.RenderPDFTestSuite" outfile="TEST-render-pdf"/>
   </target>
   <target name="junit-reduced" depends="junit-userconfig, junit-basic, junit-transcoder, junit-text-linebreak, junit-fotree, junit-render-pdf"/>
-  <target name="junit" depends="junit-all" description="Runs all of FOP's JUnit tests" if="junit.present">
+  <target name="junit" depends="junit-all" description="Runs all of FOP's JUnit tests" 
+    if="junit.present">
     <fail><condition><or><isset property="fop.junit.error"/><isset property="fop.junit.failure"/><not><isset property="hyphenation.present"/></not></or></condition>
 NOTE:
 **************************************************************************

jacoco.xml

+<?xml version="1.0"?>
+<project xmlns:jacoco="antlib:org.jacoco.ant" name="JaCoCo" default="coverage-report">
+  <import file="build.xml"/>
+  <property name="jacoco.report.dir" value="${build.dir}/report_jacoco"/>
+  <taskdef uri="antlib:org.jacoco.ant" resource="org/jacoco/ant/antlib.xml">
+    <classpath location="${jacocoant.jar}"/>
+  </taskdef>
+  <target name="test-coverage" depends="junit-compile, setup-xml-schema">
+    <jacoco:coverage destfile="${jacoco.report.dir}/jacoco.exec">
+      <junit dir="${basedir}" haltonfailure="yes" fork="on" forkmode="once">
+        <sysproperty key="jawa.awt.headless" value="true"/>
+        <classpath>
+          <path refid="standard-junit-classpath"/>
+        </classpath>
+        <batchtest>
+          <fileset dir="${build.unit.tests.dir}" includes="**/*TestCase.class"/>
+        </batchtest>
+      </junit>
+    </jacoco:coverage>
+  </target>
+  <target name="coverage-report" depends="test-coverage"
+    description="Runs JaCoCo for a code coverage report">
+    <jacoco:report>
+      <executiondata>
+        <file file="${jacoco.report.dir}/jacoco.exec"/>
+      </executiondata>
+      <structure name="Apache FOP">
+        <classfiles>
+          <fileset dir="${build.classes.dir}"/>
+        </classfiles>
+        <sourcefiles>
+          <fileset dir="${src.java.dir}"/>
+        </sourcefiles>
+      </structure>
+      <html destdir="${jacoco.report.dir}"/>
+    </jacoco:report>
+  </target>
+</project>

status.xml

       documents. Example: the fix of marks layering will be such a case when it's done.
     -->
     <release version="FOP Trunk" date="TBD">
+      <action context="Code" dev="VH" type="add" fixes-bug="52151" due-to="Mehdi Houshmand">
+        Added ant script to get JaCoCo code coverage.
+      </action>
       <action context="Code" dev="VH" type="add" fixes-bug="52136" due-to="Mehdi Houshmand">
         Added to build file JUnit target that uses a regex to run all of the test cases. This 
         reduces the risk that some of them are omitted when building FOP.

test/java/org/apache/fop/layoutengine/HyphenationLayoutTestCase.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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.layoutengine;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Collection;
+
+import org.junit.runners.Parameterized.Parameters;
+
+/**
+ * Class for testing the FOP's hyphenation layout engine using testcases specified in XML
+ * files.
+ */
+public class HyphenationLayoutTestCase extends LayoutEngineTestCase {
+
+    /**
+     * Creates the parameters for this test.
+     *
+     * @return the list of file arrays populated with test files
+     * @throws IOException if an I/O error occurs while reading the test file
+     */
+    @Parameters
+    public static Collection<File[]> getParameters() throws IOException {
+        return LayoutEngineTestUtils.getLayoutTestFiles("hyphenation-testcases");
+    }
+
+    /**
+     * Constructor
+     * @param testFile the file to test
+     */
+    public HyphenationLayoutTestCase(File testFile) {
+        super(testFile);
+    }
+
+}

test/java/org/apache/fop/layoutengine/LayoutEngineTestUtils.java

      * @return A collection of file arrays that contain the test files
      */
     public static Collection<File[]> getLayoutTestFiles() {
-        TestFilesConfiguration.Builder builder = new TestFilesConfiguration.Builder();
         String testSet = System.getProperty("fop.layoutengine.testset");
         testSet = (testSet != null ? testSet : "standard") + "-testcases";
+        return getLayoutTestFiles(testSet);
+    }
+
+    /**
+     * This is a helper method that uses the standard parameters for FOP's layout engine tests,
+     * given a test set name returns a set of test files.
+     *
+     * @param testSetName the name of the test set
+     * @return A collection of file arrays that contain the test files
+     */
+    public static Collection<File[]> getLayoutTestFiles(String testSetName) {
+        TestFilesConfiguration.Builder builder = new TestFilesConfiguration.Builder();
 
         builder.testDir("test/layoutengine")
                .singleProperty("fop.layoutengine.single")
                .startsWithProperty("fop.layoutengine.starts-with")
                .suffix(".xml")
-               .testSet(testSet)
+               .testSet(testSetName)
                .disabledProperty("fop.layoutengine.disabled",
                        "test/layoutengine/disabled-testcases.xml")
                .privateTestsProperty("fop.layoutengine.private");