QuaryableIndexTest.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.drools.workbench.services.verifier.api.client.index.query;

import java.util.Collection;

import org.drools.workbench.services.verifier.api.client.AnalyzerConfigurationMock;
import org.drools.workbench.services.verifier.api.client.configuration.AnalyzerConfiguration;
import org.drools.workbench.services.verifier.api.client.index.Column;
import org.drools.workbench.services.verifier.api.client.index.Columns;
import org.drools.workbench.services.verifier.api.client.index.ObjectType;
import org.drools.workbench.services.verifier.api.client.index.ObjectTypes;
import org.drools.workbench.services.verifier.api.client.index.Rule;
import org.drools.workbench.services.verifier.api.client.index.Rules;
import org.drools.workbench.services.verifier.api.client.index.select.QueryCallback;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import static org.junit.Assert.*;
import static org.mockito.Mockito.*;

@RunWith(MockitoJUnitRunner.class)
public class QuaryableIndexTest {

    private QueryableIndex queryableIndex;

    @Mock
    private QueryCallback<Collection<Rule>> rulesQueryCallback;

    @Mock
    private QueryCallback<Column> firstColumnQueryCallback;

    @Mock
    private QueryCallback<ObjectType> objectTypeQueryCallback;

    @Captor
    private ArgumentCaptor<Collection<Rule>> rulesArgumentCaptor;

    @Captor
    private ArgumentCaptor<Column> firstColumnArgumentCaptor;

    @Captor
    private ArgumentCaptor<ObjectType> objectTypeArgumentCaptor;

    private AnalyzerConfiguration configuration;
    private Column firstColumn;

    @Before
    public void setUp() throws
                        Exception {
        configuration = new AnalyzerConfigurationMock();

        final Rules rules = new Rules();
        rules.add( new Rule( 0,
                             configuration ) );
        rules.add( new Rule( 1,
                             configuration ) );
        rules.add( new Rule( 2,
                             configuration ) );

        final Columns columns = new Columns();
        firstColumn = new Column( 0,
                                  configuration );
        columns.add( firstColumn );
        columns.add( new Column( 1,
                                 configuration ) );

        final ObjectTypes objectTypes = new ObjectTypes();
        objectTypes.add( new ObjectType( "Person",
                                         configuration ) );
        objectTypes.add( new ObjectType( "Address",
                                         configuration ) );

        queryableIndex = new QueryableIndex( rules,
                                             columns,
                                             objectTypes );
    }

    @Test
    public void queryAllRules() throws
                                Exception {

        queryableIndex.getRules()
                .where( Rule.index()
                                .any() )
                .select()
                .all( rulesQueryCallback );

        verify( rulesQueryCallback ).callback( rulesArgumentCaptor.capture() );

        assertEquals( 3,
                      rulesArgumentCaptor.getValue()
                              .size() );
    }

    @Test
    public void queryFirstColumn() throws
                                   Exception {

        queryableIndex.getColumns()
                .where( Column.index()
                                .any() )
                .select()
                .first( firstColumnQueryCallback );

        verify( firstColumnQueryCallback ).callback( firstColumnArgumentCaptor.capture() );

        assertEquals( firstColumn,
                      firstColumnArgumentCaptor.getValue() );
    }

    @Test
    public void makeSureFirstAndLastObjectTypesAreTheSame() throws
                                                            Exception {

        queryableIndex.getObjectTypes()
                .where( ObjectType.type()
                                .is( "Person" ) )
                .select()
                .first( objectTypeQueryCallback );

        verify( objectTypeQueryCallback ).callback( objectTypeArgumentCaptor.capture() );

        final ObjectType first = objectTypeArgumentCaptor.getValue();


        reset( objectTypeQueryCallback );

        queryableIndex.getObjectTypes()
                .where( ObjectType.type()
                                .is( "Person" ) )
                .select()
                .last( objectTypeQueryCallback );

        verify( objectTypeQueryCallback ).callback( objectTypeArgumentCaptor.capture() );

        final ObjectType last = objectTypeArgumentCaptor.getValue();


        assertEquals( "Person",
                      first.getType() );
        assertEquals( first,
                      last );
    }

}