Package org.hibernate.ogm.datastore.mongodb.test.query.parsing.nativequery

Source Code of org.hibernate.ogm.datastore.mongodb.test.query.parsing.nativequery.NativeQueryParserTest

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/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.ogm.datastore.mongodb.test.query.parsing.nativequery;

import static org.fest.assertions.Assertions.assertThat;

import org.hibernate.ogm.datastore.mongodb.query.impl.MongoDBQueryDescriptor;
import org.hibernate.ogm.datastore.mongodb.query.impl.MongoDBQueryDescriptor.Operation;
import org.hibernate.ogm.datastore.mongodb.query.parsing.nativequery.impl.MongoDBQueryDescriptorBuilder;
import org.hibernate.ogm.datastore.mongodb.query.parsing.nativequery.impl.NativeQueryParser;
import org.junit.Test;
import org.parboiled.Parboiled;
import org.parboiled.parserunners.RecoveringParseRunner;
import org.parboiled.parserunners.ReportingParseRunner;
import org.parboiled.support.ParsingResult;

import com.mongodb.BasicDBObject;
import com.mongodb.util.JSON;

/**
* Unit test for {@link NativeQueryParser}.
*
* @author Gunnar Morling
*/
public class NativeQueryParserTest {

  @Test
  public void shouldParseSimplifiedFindQuery() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "{ \"foo\" : true }");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isNull();
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.FIND );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ \"foo\" : true }" ) );
    assertThat( queryDescriptor.getProjection() ).isNull();
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseSimpleQuery() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "db.Order.find({\"foo\":true})");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.FIND );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ \"foo\" : true }" ) );
    assertThat( queryDescriptor.getProjection() ).isNull();
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseSimpleQueryUsingSingleQuotes() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "db.Order.find( { 'foo' : true } )");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.FIND );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ \"foo\" : true }" ) );
    assertThat( queryDescriptor.getProjection() ).isNull();
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseQueryWithEmptyFind() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "db.Order.find({})");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( new BasicDBObject() );
  }

  @Test
  public void shouldParseQueryWithProjection() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "db.Order.find( { \"foo\" : true }, { \"foo\" : 1 } )");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.FIND );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ \"foo\" : true }" ) );
    assertThat( queryDescriptor.getProjection() ).isEqualTo( JSON.parse( "{ \"foo\" : 1 }" ) );
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseQueryWithWhitespace() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "  db  .  Order  .  find  (  {  \"  foo  \"  :  true  }  ,  {  \"foo\"  :  1  }  )  ");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();
    assertThat( run.hasErrors() ).isFalse();
    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.FIND );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ \"  foo  \" : true }" ) );
    assertThat( queryDescriptor.getProjection() ).isEqualTo( JSON.parse( "{ \"foo\" : 1 }" ) );
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseQueryWithSeveralConditions() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ReportingParseRunner<MongoDBQueryDescriptorBuilder> runner = new ReportingParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  runner
        .run( "db.Order.find( { \"foo\" : true, \"bar\" : 42, \"baz\" : \"qux\" } )");

    assertThat( run.hasErrors() ).isFalse();
    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.FIND );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ \"foo\" : true, \"bar\" : 42, \"baz\" : \"qux\" }" ) );
    assertThat( queryDescriptor.getProjection() ).isNull();
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseCountQuery() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "db.Order.count()");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.COUNT );
    assertThat( queryDescriptor.getCriteria() ).isNull();
    assertThat( queryDescriptor.getProjection() ).isNull();
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }

  @Test
  public void shouldParseCountQueryWithCriteria() {
    NativeQueryParser parser = Parboiled.createParser( NativeQueryParser.class );
    ParsingResult<MongoDBQueryDescriptorBuilder> run =  new RecoveringParseRunner<MongoDBQueryDescriptorBuilder>( parser.Query() )
        .run( "db.Order.count( { 'foo' : true } )");

    MongoDBQueryDescriptor queryDescriptor = run.resultValue.build();

    assertThat( queryDescriptor.getCollectionName() ).isEqualTo( "Order" );
    assertThat( queryDescriptor.getOperation() ).isEqualTo( Operation.COUNT );
    assertThat( queryDescriptor.getCriteria() ).isEqualTo( JSON.parse( "{ 'foo' : true }" ) );
    assertThat( queryDescriptor.getProjection() ).isNull();
    assertThat( queryDescriptor.getOrderBy() ).isNull();
  }
}
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Related Classes of org.hibernate.ogm.datastore.mongodb.test.query.parsing.nativequery.NativeQueryParserTest

  • com.mongodb.BasicDBObject
  • org.hibernate.ogm.datastore.mongodb.query.impl.MongoDBQueryDescriptor
  • org.hibernate.ogm.datastore.mongodb.query.parsing.nativequery.impl.NativeQueryParser
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