Improve the Mail metadata extractor test with more checks, and add a general metadata 'did we get something back' check to fail earlier with a more helpful error message. Also added an Array -> Collection TypeConverter that was missing from an early branch port

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@18698 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/metadata/AbstractMetadataExtracterTest.java

@@ -103,6 +103,8 @@ public abstract class AbstractMetadataExtracterTest extends TestCase
         try
         {
             Map<QName, Serializable> properties = extractFromMimetype(mimetype);
+            // check we got something
+            assertFalse("extractFromMimetype should return at least some properties, none found", properties.isEmpty());
             // check common metadata
             testCommonMetadata(mimetype, properties);
             // check file-type specific metadata

source/java/org/alfresco/repo/content/metadata/MailMetadataExtracterTest.java

@@ -24,12 +24,14 @@
  */
 package org.alfresco.repo.content.metadata;
 
+import java.io.File;
 import java.io.Serializable;
 import java.util.Collection;
 import java.util.Map;
 
 import org.alfresco.model.ContentModel;
 import org.alfresco.repo.content.MimetypeMap;
+import org.alfresco.repo.content.transform.AbstractContentTransformerTest;
 import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
 import org.alfresco.service.namespace.QName;
 
@@ -69,6 +71,11 @@ public class MailMetadataExtracterTest extends AbstractMetadataExtracterTest
 
     public void testOutlookMsgExtraction() throws Exception
     {
+        // Check we can find the file
+        File sourceFile = AbstractContentTransformerTest.loadQuickTestFile("msg");
+        assertNotNull("quick.msg files should be available from Tests", sourceFile);
+        
+        // Now test
         testExtractFromMimetype(MimetypeMap.MIMETYPE_OUTLOOK_MSG);
     }
     
@@ -78,10 +85,16 @@ public class MailMetadataExtracterTest extends AbstractMetadataExtracterTest
      */
     protected void testCommonMetadata(String mimetype, Map<QName, Serializable> properties)
     {
+        // Two equivalent ones
         assertEquals(
                 "Property " + ContentModel.PROP_AUTHOR + " not found for mimetype " + mimetype,
                 "Kevin Roast",
                 DefaultTypeConverter.INSTANCE.convert(String.class, properties.get(ContentModel.PROP_AUTHOR)));
+        assertEquals(
+              "Property " + ContentModel.PROP_ORIGINATOR + " not found for mimetype " + mimetype,
+              "Kevin Roast",
+              DefaultTypeConverter.INSTANCE.convert(String.class, properties.get(ContentModel.PROP_ORIGINATOR)));
+        // One other common bit
         assertEquals(
                 "Property " + ContentModel.PROP_DESCRIPTION + " not found for mimetype " + mimetype,
                 "Test the content transformer",

source/java/org/alfresco/service/cmr/repository/datatype/TypeConverter.java

@@ -120,6 +120,33 @@ public class TypeConverter
         return (T) converter.convert(value);
     }
 
+    /**
+     * General conversion method to convert collection contents to the specified
+     * type. Wrapper around the Collection version for arrays.
+     * 
+     * @param propertyType - the target property type
+     * @param value - the value to be converted
+     * @return - the converted value as the correct type
+     * @throws DictionaryException if the property type's registered java class is invalid
+     * @throws TypeConversionException if the conversion cannot be performed
+     */
+    @SuppressWarnings("unchecked")
+    public final Collection convert(DataTypeDefinition propertyType, Object[] values)
+    {
+       if(values == null) {
+          return convert(propertyType, (Collection)null);
+       } else {
+          // Turn the array into a Collection, then convert as that
+          ArrayList c = new ArrayList();
+          c.ensureCapacity(values.length);
+          for(Object v : values) {
+             c.add(v);
+          }
+          // Convert
+          return convert(propertyType, c);
+       }
+    }
+    
     /**
      * General conversion method to convert collection contents to the specified
      * type.