Added testcases for symlink capability support. Can be used to determine what features are supported os-level

Author: krosenvold

pom.xml

@@ -56,6 +56,13 @@
       <artifactId>commons-io</artifactId>
       <version>2.2</version>
     </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+
   </dependencies>
 
   <build>

src/test/java/org/codehaus/plexus/components/io/attributes/FileAttributesTest.java

@@ -1,7 +1,5 @@
-package org.codehaus.plexus.components.io.attributes;
-
 /*
- * Copyright 2007 The Codehaus Foundation.
+ * Copyright 2016 Plexus developers.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +14,9 @@
  * limitations under the License.
  */
 
+package org.codehaus.plexus.components.io.attributes;
+
+
 
 public class FileAttributesTest
     extends AbstractResourceAttributesTCK

src/test/java/org/codehaus/plexus/components/io/attributes/SymlinkUtilsTest.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2016 Plexus developers.
+ *
+ * Licensed 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.codehaus.plexus.components.io.attributes;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+import static org.junit.Assert.*;
+
+public class SymlinkUtilsTest
+{
+    File target = new File( "target/symlinkCapabilities");
+    String expected = "This is a filed that we'll be symlinking to\n";
+
+
+    @Before
+    public void setup()
+        throws IOException
+    {
+        FileUtils.deleteDirectory(target  );
+        Files.createDirectories(target.toPath());
+    }
+
+    @Test
+    public void testName()
+        throws Exception
+    {
+
+    }
+
+    @Test
+    public void create_read_symbolic_link_to_file()
+        throws Exception
+    {
+        File symlink = new File( target, "symlinkToTarget");
+        File relativePath = createTargetFile( target );
+        SymlinkUtils.createSymbolicLink( symlink, relativePath);
+        assertEquals( expected, FileUtils.readFileToString( symlink ) );
+        assertEquals( new File("actualFile"), SymlinkUtils.readSymbolicLink( new File(target, "symlinkToTarget") ));
+    }
+
+    @Test
+    public void create_read_symbolic_link_to_directory()
+        throws Exception
+    {
+        File subDir = new File( target, "aSubDir");
+        createTargetFile( subDir );
+        File symlink = new File( target, "symlinkToDir");
+        SymlinkUtils.createSymbolicLink( symlink, new File("aSubDir"));
+        assertEquals( expected, FileUtils.readFileToString( new File(symlink, "actualFile" )) );
+        assertEquals( new File("aSubDir"), SymlinkUtils.readSymbolicLink( new File(target, "symlinkToDir") ));
+
+    }
+
+    private File createTargetFile( File target )
+        throws IOException
+    {
+        File relativePath = new File("actualFile");
+        File actualFile = new File( target, relativePath.getPath());
+        FileUtils.write( actualFile, expected );
+        return relativePath;
+    }
+}