ALF-11032: Load file in to object graph

Added facility to load an object graph from an XML input stream.



git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31568 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/util/schemacomp/XMLToSchemaTest.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2005-2011 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.util.schemacomp;
+
+
+import static org.junit.Assert.assertNotNull;
+
+import java.io.BufferedInputStream;
+import java.io.InputStream;
+import java.util.Iterator;
+
+import org.alfresco.util.schemacomp.model.DbObject;
+import org.alfresco.util.schemacomp.model.Schema;
+import org.alfresco.util.schemacomp.model.Sequence;
+import org.alfresco.util.schemacomp.model.Table;
+import org.junit.Before;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ * Tests for the XMLToSchema class.
+ * 
+ * @author Matt Ward
+ */
+public class XMLToSchemaTest
+{
+    private XMLToSchema xmlToSchema;
+    private InputStream in;
+    
+    @Before
+    public void setUp() throws Exception
+    {
+        in = new BufferedInputStream(getClass().getResourceAsStream("xml_to_schema_test.xml"));
+        xmlToSchema = new XMLToSchema(in);
+    }
+
+    @Test
+    public void canReadSchemaXML()
+    {
+        xmlToSchema.parse();
+        Schema schema = xmlToSchema.getSchema();
+        
+        assertNotNull("A null Schema object was returned", schema);
+        assertEquals("alfresco", schema.getName());
+        
+        Iterator<DbObject> objects = schema.iterator();
+        
+        Table table = (Table) objects.next();
+        assertEquals("node", table.getName());
+        assertEquals(3, table.getColumns().size());
+        
+        assertEquals("id", table.getColumns().get(0).getName());
+        assertEquals("NUMBER(10)", table.getColumns().get(0).getType());
+        assertEquals(false, table.getColumns().get(0).isNullable());
+        
+        assertEquals("nodeRef", table.getColumns().get(1).getName());
+        assertEquals("VARCHAR2(200)", table.getColumns().get(1).getType());
+        assertEquals(false, table.getColumns().get(1).isNullable());        
+
+        assertEquals("name", table.getColumns().get(2).getName());
+        assertEquals("VARCHAR2(150)", table.getColumns().get(2).getType());
+        assertEquals(true, table.getColumns().get(2).isNullable());
+        
+        assertEquals("pk_node", table.getPrimaryKey().getName());
+        assertEquals(1, table.getPrimaryKey().getColumnNames().size());
+        assertEquals("id", table.getPrimaryKey().getColumnNames().get(0));
+        
+        assertEquals(1, table.getForeignKeys().size());
+        assertEquals("fk_node_noderef", table.getForeignKeys().get(0).getName());
+        assertEquals("nodeRef", table.getForeignKeys().get(0).getLocalColumn());
+        assertEquals("node", table.getForeignKeys().get(0).getTargetTable());
+        assertEquals("nodeRef", table.getForeignKeys().get(0).getTargetColumn());
+        
+        assertEquals(1, table.getIndexes().size());
+        assertEquals("idx_node_by_id", table.getIndexes().get(0).getName());
+        assertEquals(2, table.getIndexes().get(0).getColumnNames().size());
+        assertEquals("id", table.getIndexes().get(0).getColumnNames().get(0));
+        assertEquals("nodeRef", table.getIndexes().get(0).getColumnNames().get(1));
+        
+        assertEquals("node_seq", ((Sequence) objects.next()).getName());
+        assertEquals("person_seq", ((Sequence) objects.next()).getName());
+        assertEquals("content_seq", ((Sequence) objects.next()).getName());
+        
+        assertFalse("Should be no more DB objects", objects.hasNext());
+    }
+}