diff --git a/maven-builder-support/src/main/java/org/apache/maven/building/UrlSource.java b/maven-builder-support/src/main/java/org/apache/maven/building/UrlSource.java
index 7a6e9b09bf..7bd3e3c30f 100644
--- a/maven-builder-support/src/main/java/org/apache/maven/building/UrlSource.java
+++ b/maven-builder-support/src/main/java/org/apache/maven/building/UrlSource.java
@@ -43,7 +43,7 @@ public class UrlSource
     {
         if ( url == null )
         {
-            throw new IllegalArgumentException( "no POM URL specified" );
+            throw new IllegalArgumentException( "no url specified" );
         }
         this.url = url;
     }
diff --git a/maven-builder-support/src/test/java/org/apache/maven/building/FileSourceTest.java b/maven-builder-support/src/test/java/org/apache/maven/building/FileSourceTest.java
new file mode 100644
index 0000000000..086adda869
--- /dev/null
+++ b/maven-builder-support/src/test/java/org/apache/maven/building/FileSourceTest.java
@@ -0,0 +1,93 @@
+package org.apache.maven.building;
+
+/*
+ * 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.
+ */
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.io.InputStream;
+import java.util.Scanner;
+
+import org.junit.Test;
+
+public class FileSourceTest
+{
+
+    @Test
+    public void testFileSource()
+    {
+        try
+        {
+            new FileSource( null );
+            fail( "Should fail, since you must specify a file" );
+        }
+        catch ( IllegalArgumentException e )
+        {
+            assertEquals( "no file specified", e.getMessage() );
+        }
+    }
+
+    @Test
+    public void testGetInputStream()
+        throws Exception
+    {
+        File txtFile = new File( "target/test-classes/source.txt" );
+        FileSource source = new FileSource( txtFile );
+
+        Scanner scanner = null;
+        InputStream is = null;
+        try
+        {
+            is = source.getInputStream();
+
+            scanner = new Scanner( is );
+            assertEquals( "Hello World!", scanner.nextLine() );
+        }
+        finally
+        {
+            if ( scanner != null )
+            {
+                scanner.close();
+            }
+            if ( is != null )
+            {
+                is.close();
+            }
+        }
+    }
+
+    @Test
+    public void testGetLocation()
+    {
+        File txtFile = new File( "target/test-classes/source.txt" );
+        FileSource source = new FileSource( txtFile );
+        assertEquals( txtFile.getAbsolutePath(), source.getLocation() );
+    }
+
+    @Test
+    public void testGetFile()
+    {
+        File txtFile = new File( "target/test-classes/source.txt" );
+        FileSource source = new FileSource( txtFile );
+        assertEquals( txtFile.getAbsoluteFile(), source.getFile() );
+    }
+
+}
diff --git a/maven-builder-support/src/test/java/org/apache/maven/building/StringSourceTest.java b/maven-builder-support/src/test/java/org/apache/maven/building/StringSourceTest.java
new file mode 100644
index 0000000000..013b8a4d9c
--- /dev/null
+++ b/maven-builder-support/src/test/java/org/apache/maven/building/StringSourceTest.java
@@ -0,0 +1,79 @@
+package org.apache.maven.building;
+
+/*
+ * 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.
+ */
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.InputStream;
+import java.util.Scanner;
+
+import org.junit.Test;
+
+public class StringSourceTest
+{
+    @Test
+    public void testGetInputStream()
+        throws Exception
+    {
+        StringSource source = new StringSource( "Hello World!" );
+
+        Scanner scanner = null;
+        InputStream is = null;
+        try
+        {
+            is = source.getInputStream();
+
+            scanner = new Scanner( is );
+            assertEquals( "Hello World!", scanner.nextLine() );
+        }
+        finally
+        {
+            if ( scanner != null )
+            {
+                scanner.close();
+            }
+            if ( is != null )
+            {
+                is.close();
+            }
+        }
+    }
+
+    @Test
+    public void testGetLocation()
+    {
+        StringSource source = new StringSource( "Hello World!" );
+        assertEquals( "(memory)", source.getLocation() );
+
+        source = new StringSource( "Hello World!", "LOCATION" );
+        assertEquals( "LOCATION", source.getLocation() );
+    }
+
+    @Test
+    public void testGetContent()
+    {
+        StringSource source = new StringSource( null );
+        assertEquals( "", source.getContent() );
+
+        source = new StringSource( "Hello World!", "LOCATION" );
+        assertEquals( "Hello World!", source.getContent() );
+    }
+
+}
diff --git a/maven-builder-support/src/test/java/org/apache/maven/building/UrlSourceTest.java b/maven-builder-support/src/test/java/org/apache/maven/building/UrlSourceTest.java
new file mode 100644
index 0000000000..5524c9b355
--- /dev/null
+++ b/maven-builder-support/src/test/java/org/apache/maven/building/UrlSourceTest.java
@@ -0,0 +1,87 @@
+package org.apache.maven.building;
+
+/*
+ * 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.
+ */
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Scanner;
+
+import org.junit.Test;
+
+public class UrlSourceTest
+{
+
+    @Test
+    public void testUrlSource()
+    {
+        try
+        {
+            new UrlSource( null );
+            fail( "Should fail, since you must specify a url" );
+        }
+        catch ( IllegalArgumentException e )
+        {
+            assertEquals( "no url specified", e.getMessage() );
+        }
+    }
+
+    @Test
+    public void testGetInputStream()
+        throws Exception
+    {
+        URL txtFile = new File( "target/test-classes/source.txt" ).toURI().toURL();
+        UrlSource source = new UrlSource( txtFile );
+
+        Scanner scanner = null;
+        InputStream is = null;
+        try
+        {
+            is = source.getInputStream();
+
+            scanner = new Scanner( is );
+            assertEquals( "Hello World!", scanner.nextLine() );
+        }
+        finally
+        {
+            if ( scanner != null )
+            {
+                scanner.close();
+            }
+            if ( is != null )
+            {
+                is.close();
+            }
+        }
+    }
+
+    @Test
+    public void testGetLocation()
+        throws Exception
+    {
+        URL txtFile = new File( "target/test-classes/source.txt" ).toURI().toURL();
+        UrlSource source = new UrlSource( txtFile );
+        assertEquals( txtFile.toExternalForm(), source.getLocation() );
+    }
+
+}
diff --git a/maven-builder-support/src/test/resources/source.txt b/maven-builder-support/src/test/resources/source.txt
new file mode 100644
index 0000000000..c57eff55eb
--- /dev/null
+++ b/maven-builder-support/src/test/resources/source.txt
@@ -0,0 +1 @@
+Hello World!
\ No newline at end of file