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1   package org.apache.maven.plugin;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.codehaus.plexus.compiler.util.scan.SimpleSourceInclusionScanner;
23  import org.codehaus.plexus.compiler.util.scan.SourceInclusionScanner;
24  import org.codehaus.plexus.compiler.util.scan.StaleSourceScanner;
25  
26  import java.io.File;
27  import java.util.Collections;
28  import java.util.HashSet;
29  import java.util.List;
30  import java.util.Map;
31  import java.util.Set;
32  
33  /**
34   * Compiles application test sources.
35   *
36   * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
37   * @version $Id: TestCompilerMojo.html 816613 2012-05-08 13:05:36Z hboutemy $
38   * @since 2.0
39   * @goal testCompile
40   * @phase test-compile
41   * @requiresDependencyResolution test
42   */
43  public class TestCompilerMojo
44      extends AbstractCompilerMojo
45  {
46      /**
47       * Set this to 'true' to bypass unit tests entirely.
48       * Its use is NOT RECOMMENDED, but quite convenient on occasion.
49       *
50       * @parameter expression="${maven.test.skip}"
51       */
52      private boolean skip;
53  
54      /**
55       * The source directories containing the test-source to be compiled.
56       *
57       * @parameter default-value="${project.testCompileSourceRoots}"
58       * @required
59       * @readonly
60       */
61      private List<String> compileSourceRoots;
62  
63      /**
64       * Project test classpath.
65       *
66       * @parameter default-value="${project.testClasspathElements}"
67       * @required
68       * @readonly
69       */
70      private List<String> classpathElements;
71  
72      /**
73       * The directory where compiled test classes go.
74       *
75       * @parameter default-value="${project.build.testOutputDirectory}"
76       * @required
77       * @readonly
78       */
79      private File outputDirectory;
80  
81      /**
82       * A list of inclusion filters for the compiler.
83       *
84       * @parameter
85       */
86      private Set<String> testIncludes = new HashSet<String>();
87  
88      /**
89       * A list of exclusion filters for the compiler.
90       *
91       * @parameter
92       */
93      private Set<String> testExcludes = new HashSet<String>();
94  
95      /**
96       * The -source argument for the test Java compiler.
97       *
98       * @parameter expression="${maven.compiler.testSource}"
99       * @since 2.1
100      */
101     private String testSource;
102 
103     /**
104      * The -target argument for the test Java compiler.
105      *
106      * @parameter expression="${maven.compiler.testTarget}"
107      * @since 2.1
108      */
109     private String testTarget;
110 
111 
112     /**
113      * <p>
114      * Sets the arguments to be passed to test compiler (prepending a dash) if fork is set to true.
115      * </p>
116      * <p>
117      * This is because the list of valid arguments passed to a Java compiler
118      * varies based on the compiler version.
119      * </p>
120      *
121      * @parameter
122      * @since 2.1
123      */
124     private Map<String, String> testCompilerArguments;
125 
126     /**
127      * <p>
128      * Sets the unformatted argument string to be passed to test compiler if fork is set to true.
129      * </p>
130      * <p>
131      * This is because the list of valid arguments passed to a Java compiler
132      * varies based on the compiler version.
133      * </p>
134      *
135      * @parameter
136      * @since 2.1
137      */
138     private String testCompilerArgument;
139 
140     /**
141      * <p>
142      * Specify where to place generated source files created by annotation processing.
143      * Only applies to JDK 1.6+
144      * </p>
145      * @parameter default-value="${project.build.directory}/generated-sources/test-annotations"
146      * @since 2.2
147      */
148     private File generatedTestSourcesDirectory;
149 
150 
151     public void execute()
152         throws MojoExecutionException, CompilationFailureException
153     {
154         if ( skip )
155         {
156             getLog().info( "Not compiling test sources" );
157         }
158         else
159         {
160             super.execute();
161         }
162     }
163 
164     protected List<String> getCompileSourceRoots()
165     {
166         return compileSourceRoots;
167     }
168 
169     protected List<String> getClasspathElements()
170     {
171         return classpathElements;
172     }
173 
174     protected File getOutputDirectory()
175     {
176         return outputDirectory;
177     }
178 
179     protected SourceInclusionScanner getSourceInclusionScanner( int staleMillis )
180     {
181         SourceInclusionScanner scanner = null;
182 
183         if ( testIncludes.isEmpty() && testExcludes.isEmpty() )
184         {
185             scanner = new StaleSourceScanner( staleMillis );
186         }
187         else
188         {
189             if ( testIncludes.isEmpty() )
190             {
191                 testIncludes.add( "**/*.java" );
192             }
193             scanner = new StaleSourceScanner( staleMillis, testIncludes, testExcludes );
194         }
195 
196         return scanner;
197     }
198 
199     protected SourceInclusionScanner getSourceInclusionScanner( String inputFileEnding )
200     {
201         SourceInclusionScanner scanner = null;
202 
203         if ( testIncludes.isEmpty() && testExcludes.isEmpty() )
204         {
205             testIncludes = Collections.singleton( "**/*." + inputFileEnding );
206             scanner = new SimpleSourceInclusionScanner( testIncludes, Collections.EMPTY_SET );
207         }
208         else
209         {
210             if ( testIncludes.isEmpty() )
211             {
212                 testIncludes.add( "**/*." + inputFileEnding );
213             }
214             scanner = new SimpleSourceInclusionScanner( testIncludes, testExcludes );
215         }
216 
217         return scanner;
218     }
219 
220     protected String getSource()
221     {
222       return testSource == null ? source : testSource;
223     }
224 
225     protected String getTarget()
226     {
227       return testTarget == null ? target : testTarget;
228     }
229 
230     protected String getCompilerArgument()
231     {
232       return testCompilerArgument == null ? compilerArgument : testCompilerArgument;
233     }
234 
235     protected Map<String, String> getCompilerArguments()
236     {
237       return testCompilerArguments == null ? compilerArguments : testCompilerArguments;
238     }
239 
240     protected File getGeneratedSourcesDirectory() 
241     {
242         return generatedTestSourcesDirectory;
243     }
244 
245 }