Fix up google doc tests

- Added service initialisation method to service so the "health" of the service can be determined
- Unit tests do not fail if the google doc service has not been configured correctly



git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20046 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/googledocs/GoogleDocsService.java

@@ -1,3 +1,21 @@
+/*
+* Copyright (C) 2005-2010 Alfresco Software Limited.
+*
+* This file is part of Alfresco
+*
+* Alfresco is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Alfresco is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+*/
 package org.alfresco.repo.googledocs;
 
 import java.io.InputStream;
@@ -9,6 +27,13 @@ import org.alfresco.service.cmr.repository.NodeRef;
  */
 public interface GoogleDocsService 
 {
+	/**
+	 * Initialises the googles doc service, checking the provided credentials are correct.  This need
+	 * not be called manually since other service calls will initialise the service on demand, but it can 
+	 * be helpful to know the "health" of the service up front.
+	 */
+	void initialise() throws GoogleDocsServiceInitException;
+	
     /**
      * Create a google doc from a given node.  The content of the node will be used 
      * as a basis of the associated google doc.  If the node has no content a new, empty google