fix bug in RegexResourceProcessor and added unit tests

scm-core/src/main/java/sonia/scm/io/RegexResourceProcessor.java

@@ -29,6 +29,8 @@
  *
  */
 
+
+
 package sonia.scm.io;
 
 //~--- non-JDK imports --------------------------------------------------------
@@ -106,6 +108,7 @@ public class RegexResourceProcessor extends AbstractResourceProcessor
    */
   private String parseLine(Map<String, String> variableMap, String line)
   {
+    StringBuffer result = null;
     Matcher m = PATTERN.matcher(line);
 
     while (m.find())
@@ -115,12 +118,17 @@ public class RegexResourceProcessor extends AbstractResourceProcessor
 
       if (value != null)
       {
-        line = m.replaceAll(value);
-      }
+        if (result == null)
+        {
+          result = new StringBuffer();
+        }
 
-      m = PATTERN.matcher(line);
+        m.appendReplacement(result, value);
+      }
     }
 
-    return line;
+    return (result != null)
+           ? result.toString()
+           : line;
   }
 }

scm-core/src/test/java/sonia/scm/io/RegexResourceProcessorTest.java

@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.io;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class RegexResourceProcessorTest extends ResourceProcessorTestBase
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  protected ResourceProcessor createNewResourceProcessor()
+  {
+    return new RegexResourceProcessor();
+  }
+}

scm-core/src/test/java/sonia/scm/io/ResourceProcessorTestBase.java

@@ -0,0 +1,157 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.io;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public abstract class ResourceProcessorTestBase
+{
+
+  /** Field description */
+  public static final String TEXT_1 = "Hello Tricia McMillan";
+
+  /** Field description */
+  public static final String TEXT_2 = "Hello ${person}";
+
+  /** Field description */
+  public static final String TEXT_3 = "Hello ${person} and ${secondPerson}";
+
+  /** Field description */
+  public static final String VAR_PERSON = "person";
+
+  /** Field description */
+  public static final String VAR_PERSON_VALUE = "Tricia McMillan";
+
+  /** Field description */
+  public static final String VAR_SECONDPERSON = "secondPerson";
+
+  /** Field description */
+  public static final String VAR_SECONDPERSON_VALUE = "Zaphod Beeblebrox";
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  protected abstract ResourceProcessor createNewResourceProcessor();
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test
+  public void testWithNonExistingVar() throws IOException
+  {
+    ResourceProcessor processor = createNewResourceProcessor();
+    StringWriter output = new StringWriter();
+
+    processor.process(new StringReader(TEXT_2), output);
+    assertEquals(TEXT_2, output.toString());
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test
+  public void testWithVar() throws IOException
+  {
+    ResourceProcessor processor = createNewResourceProcessor();
+
+    processor.addVariable(VAR_PERSON, VAR_PERSON_VALUE);
+
+    StringWriter output = new StringWriter();
+
+    processor.process(new StringReader(TEXT_2), output);
+    assertEquals(TEXT_1, output.toString());
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test
+  public void testWithVars() throws IOException
+  {
+    ResourceProcessor processor = createNewResourceProcessor();
+
+    processor.addVariable(VAR_PERSON, VAR_PERSON_VALUE);
+    processor.addVariable(VAR_SECONDPERSON, VAR_SECONDPERSON_VALUE);
+
+    StringWriter output = new StringWriter();
+
+    processor.process(new StringReader(TEXT_3), output);
+    assertEquals("Hello Tricia McMillan and Zaphod Beeblebrox",
+                 output.toString());
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test
+  public void testWithoutVars() throws IOException
+  {
+    ResourceProcessor processor = createNewResourceProcessor();
+    StringWriter output = new StringWriter();
+
+    processor.process(new StringReader(TEXT_1), output);
+    assertEquals(TEXT_1, output.toString());
+  }
+}