1 files changed, 154 insertions, 0 deletions
diff --git a/velocity-engine-core/src/test/java/org/apache/velocity/test/ResourceLoaderInstanceTestCase.java b/velocity-engine-core/src/test/java/org/apache/velocity/test/ResourceLoaderInstanceTestCase.java
new file mode 100644
index 00000000..e6217b0c
--- /dev/null
+++ b/velocity-engine-core/src/test/java/org/apache/velocity/test/ResourceLoaderInstanceTestCase.java
@@ -0,0 +1,154 @@
+package org.apache.velocity.test;
+
+/*
+ * 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 junit.framework.Test;
+import junit.framework.TestSuite;
+import org.apache.velocity.Template;
+import org.apache.velocity.VelocityContext;
+import org.apache.velocity.app.Velocity;
+import org.apache.velocity.runtime.RuntimeConstants;
+import org.apache.velocity.runtime.RuntimeSingleton;
+import org.apache.velocity.runtime.resource.loader.FileResourceLoader;
+import org.apache.velocity.runtime.resource.loader.ResourceLoader;
+import org.apache.velocity.test.misc.TestLogger;
+
+import java.io.BufferedWriter;
+import java.io.FileOutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+
+/**
+ * Test that an instance of a ResourceLoader can be successfully passed in.
+ *
+ * @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
+ * @version $Id$
+ */
+public class ResourceLoaderInstanceTestCase extends BaseTestCase
+{
+    /**
+     * VTL file extension.
+     */
+    private static final String TMPL_FILE_EXT = "vm";
+
+    /**
+     * Comparison file extension.
+     */
+    private static final String CMP_FILE_EXT = "cmp";
+
+    /**
+     * Comparison file extension.
+     */
+    private static final String RESULT_FILE_EXT = "res";
+
+    /**
+     * Path for templates. This property will override the
+     * value in the default velocity properties file.
+     */
+    private final static String FILE_RESOURCE_LOADER_PATH = TEST_COMPARE_DIR + "/resourceinstance";
+
+    /**
+     * Results relative to the build directory.
+     */
+    private static final String RESULTS_DIR = TEST_RESULT_DIR + "/resourceinstance";
+
+    /**
+     * Results relative to the build directory.
+     */
+    private static final String COMPARE_DIR = TEST_COMPARE_DIR + "/resourceinstance/compare";
+
+    private TestLogger logger = new TestLogger();
+
+    /**
+     * Default constructor.
+     */
+    public ResourceLoaderInstanceTestCase(String name)
+    {
+        super(name);
+    }
+
+    @Override
+    public void setUp()
+            throws Exception
+    {
+
+        ResourceLoader rl = new FileResourceLoader();
+
+        // pass in an instance to Velocity
+        Velocity.reset();
+        Velocity.setProperty( "resource.loader", "testrl" );
+        Velocity.setProperty( "testrl.resource.loader.instance", rl );
+        Velocity.setProperty( "testrl.resource.loader.path", FILE_RESOURCE_LOADER_PATH );
+
+        // actual instance of logger
+        logger.on();
+        Velocity.setProperty(RuntimeConstants.RUNTIME_LOG_INSTANCE, logger);
+        Velocity.setProperty("runtime.log.logsystem.test.level", "debug");
+
+        Velocity.init();
+    }
+
+    public static Test suite ()
+    {
+        return new TestSuite(ResourceLoaderInstanceTestCase.class);
+    }
+
+    /**
+     * Runs the test.
+     */
+    public void testResourceLoaderInstance ()
+            throws Exception
+    {
+        assureResultsDirectoryExists(RESULTS_DIR);
+
+        Template template = RuntimeSingleton.getTemplate(
+                getFileName(null, "testfile", TMPL_FILE_EXT));
+
+        FileOutputStream fos =
+                new FileOutputStream (
+                        getFileName(RESULTS_DIR, "testfile", RESULT_FILE_EXT));
+
+        Writer writer = new BufferedWriter(new OutputStreamWriter(fos));
+
+        /*
+         *  put the Vector into the context, and merge both
+         */
+
+        VelocityContext context = new VelocityContext();
+
+        template.merge(context, writer);
+        writer.flush();
+        writer.close();
+
+        if ( !isMatch(RESULTS_DIR, COMPARE_DIR, "testfile",
+                        RESULT_FILE_EXT, CMP_FILE_EXT) )
+        {
+            String result = getFileContents(RESULT_DIR, "testfile", RESULT_FILE_EXT);
+            String compare = getFileContents(COMPARE_DIR, "testfile", CMP_FILE_EXT);
+
+            String msg = "Processed template did not match expected output\n"+
+                "-----Result-----\n"+ result +
+                "----Expected----\n"+ compare +
+                "----------------";
+
+            fail(msg);
+        }
+    }
+}