NIFI-632 Using newly generated example.nar in test code

nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-documentation/src/main/java/org/apache/nifi/documentation/DocGenerator.java

@@ -76,7 +76,7 @@ public class DocGenerator {
                     logger.debug("Documenting: " + componentClass);
                     document(explodedNiFiDocsDir, componentClass);
                 } catch (Exception e) {
-                    logger.warn("Unable to document: " + componentClass);
+                    logger.warn("Unable to document: " + componentClass, e);
                 }
             }
         }

nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-documentation/src/test/java/org/apache/nifi/documentation/DocGeneratorTest.java

@@ -7,7 +7,9 @@ import java.io.IOException;
 import java.io.InputStream;
 
 import org.apache.commons.io.FileUtils;
+import org.apache.nifi.nar.ExtensionManager;
 import org.apache.nifi.nar.ExtensionMapping;
+import org.apache.nifi.nar.NarClassLoaders;
 import org.apache.nifi.nar.NarUnpacker;
 import org.apache.nifi.stream.io.StreamUtils;
 import org.apache.nifi.util.NiFiProperties;
@@ -19,7 +21,7 @@ import org.mockito.internal.util.io.IOUtil;
 public class DocGeneratorTest {
 
     @Test
-    public void testProcessorLoadsNarResources() throws IOException {
+    public void testProcessorLoadsNarResources() throws IOException, ClassNotFoundException {
         TemporaryFolder temporaryFolder = new TemporaryFolder();
         temporaryFolder.create();
 
@@ -30,11 +32,15 @@ public class DocGeneratorTest {
 
         final ExtensionMapping extensionMapping = NarUnpacker.unpackNars(properties);
 
+        NarClassLoaders.load(properties);
+
+        ExtensionManager.discoverExtensions();
+
         DocGenerator.generate(properties);      
 
-        File processorDirectory = new File(temporaryFolder.getRoot(), "org.apache.nifi.TestProcessor");
+        File processorDirectory = new File(temporaryFolder.getRoot(), "org.apache.nifi.processors.WriteResourceToStream");
         File indexHtml = new File(processorDirectory, "index.html");
-        
+        Assert.assertTrue(indexHtml + " should have been generated", indexHtml.exists());
         String generatedHtml = FileUtils.readFileToString(indexHtml);
         Assert.assertNotNull(generatedHtml);
     }

nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-documentation/src/test/resources/conf/nifi.properties

@@ -27,8 +27,8 @@ nifi.controller.service.configuration.file=./target/controller-services.xml
 nifi.templates.directory=./target/templates
 nifi.ui.banner.text=UI Banner Text
 nifi.ui.autorefresh.interval=30 sec
-nifi.nar.library.directory=./target/NarUnpacker/lib/
+nifi.nar.library.directory=./target/test-classes/lib/
-nifi.nar.library.directory.alt=./target/NarUnpacker/lib2/
+nifi.nar.library.directory.alt=./target/test-classes/lib2/
 
 nifi.nar.working.directory=./target/work/nar/