/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.db.tests.api.readGraph.getAssertedStatements;

import java.util.Collection;
import java.util.UUID;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.Statement;
import org.simantics.db.WriteGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.testing.base.WriteReadTest;
import org.simantics.db.testing.common.Tests;
import org.simantics.db.tests.common.Writes;

public class GetAssertedStatementsTest1 extends WriteReadTest {

    private Resource type;
    private Resource named1;
    private Resource named2;
    private Resource string1;
    
    @Override
    protected void write(WriteGraph graph) throws DatabaseException {
    	
        // New type with assertions
        type = graph.newResource();
        graph.claim(type, L0.Inherits, L0.Entity);
        
        named1 = Writes.named(graph, UUID.randomUUID().toString());
        named2 = Writes.named(graph, UUID.randomUUID().toString());
        string1 = Writes.string(graph, UUID.randomUUID().toString());
        
        // Assert some nonfunctional objects
        graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named1));
        graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.ConsistsOf, named2));

        // Assert a functional object
        graph.claim(type, L0.Asserts, Writes.assertion(graph, L0.HasName, string1));
        
    }
    
    @Override
    protected void read(ReadGraph graph) throws DatabaseException {
    	
        Collection<Statement> result = graph.getAssertedStatements(type, L0.ConsistsOf);
        assertNotNull("Null not allowed", result);
        assertTrue(result.size() == 2);
        assertTrue(Tests.contains(result, L0.ConsistsOf, named1));
        assertTrue(Tests.contains(result, L0.ConsistsOf, named2));
        Collection<Statement> names = graph.getAssertedStatements(type, L0.HasName);
        assertTrue(names.size() == 1);
        assertTrue(Tests.contains(names, L0.HasName, string1));
    }
}