/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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package org.teiid.translator.mongodb;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.teiid.cdk.api.TranslationUtility;
import org.teiid.core.util.ObjectConverterUtil;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.language.Argument;
import org.teiid.language.Argument.Direction;
import org.teiid.language.Command;
import org.teiid.language.Literal;
import org.teiid.mongodb.MongoDBConnection;
import org.teiid.query.metadata.TransformationMetadata;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.ResultSetExecution;
import com.mongodb.AggregationOptions;
import com.mongodb.AggregationOutput;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.QueryBuilder;
@SuppressWarnings("nls")
public class TestMongoDBDirectQueryExecution {
private MongoDBExecutionFactory translator;
private TranslationUtility utility;
@Before
public void setUp() throws Exception {
this.translator = new MongoDBExecutionFactory();
this.translator.start();
TransformationMetadata metadata = RealMetadataFactory.fromDDL(ObjectConverterUtil.convertFileToString(UnitTestUtil.getTestDataFile("northwind.ddl")), "sakila", "northwind");
this.utility = new TranslationUtility(metadata);
}
@Test
public void testDirect() throws Exception {
Command cmd = this.utility.parseCommand("SELECT * FROM Customers");
MongoDBConnection connection = Mockito.mock(MongoDBConnection.class);
ExecutionContext context = Mockito.mock(ExecutionContext.class);
DBCollection dbCollection = Mockito.mock(DBCollection.class);
DB db = Mockito.mock(DB.class);
Mockito.stub(db.getCollection("MyTable")).toReturn(dbCollection);
Mockito.stub(db.collectionExists(Mockito.anyString())).toReturn(true);
Mockito.stub(connection.getDatabase()).toReturn(db);
AggregationOutput output = Mockito.mock(AggregationOutput.class);
Mockito.stub(output.results()).toReturn(new ArrayList<DBObject>());
Mockito.stub(dbCollection.aggregate(Mockito.any(DBObject.class),Mockito.any(DBObject.class))).toReturn(output);
Argument arg = new Argument(Direction.IN, null, String.class, null);
arg.setArgumentValue(new Literal("MyTable;{$match:{\"id\":\"$1\"}};{$project:{\"_m0\":\"$user\"}}", String.class));
Argument arg2 = new Argument(Direction.IN, null, String.class, null);
arg2.setArgumentValue(new Literal("foo", String.class));
ResultSetExecution execution = this.translator.createDirectExecution(Arrays.asList(arg, arg2), cmd, context, this.utility.createRuntimeMetadata(), connection);
execution.execute();
List<DBObject> pipeline = TestMongoDBQueryExecution.buildArray(new BasicDBObject("$match", new BasicDBObject("id", "foo")),
new BasicDBObject("$project", new BasicDBObject("_m0", "$user")));
Mockito.verify(dbCollection).aggregate(Mockito.eq(pipeline), Mockito.any(AggregationOptions.class));
}
@Test
public void testShellDirect() throws Exception {
Command cmd = this.utility.parseCommand("SELECT * FROM Customers");
MongoDBConnection connection = Mockito.mock(MongoDBConnection.class);
ExecutionContext context = Mockito.mock(ExecutionContext.class);
DBCollection dbCollection = Mockito.mock(DBCollection.class);
DB db = Mockito.mock(DB.class);
Mockito.stub(db.getCollection("MyTable")).toReturn(dbCollection);
Mockito.stub(db.collectionExists(Mockito.anyString())).toReturn(true);
Mockito.stub(connection.getDatabase()).toReturn(db);
Argument arg = new Argument(Direction.IN, null, String.class, null);
arg.setArgumentValue(new Literal("$ShellCmd;MyTable;remove;{ qty: { $gt: 20 }}", String.class));
ResultSetExecution execution = this.translator.createDirectExecution(Arrays.asList(arg), cmd, context, this.utility.createRuntimeMetadata(), connection);
execution.execute();
Mockito.verify(dbCollection).remove(QueryBuilder.start("qty").greaterThan(20).get());
}
}