/*
* 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.neo4j.test.query.nativequery;
import static org.fest.assertions.Assertions.assertThat;
import org.hibernate.engine.query.spi.ParameterMetadata;
import org.hibernate.ogm.datastore.neo4j.query.impl.Neo4jParameterMetadataBuilder;
import org.hibernate.ogm.dialect.query.spi.ParameterMetadataBuilder;
import org.junit.Test;
/**
* Tests the detection of named parameters in native Neo4j queries.
*
* @author Gunnar Morling
*/
public class Neo4jParameterMetadataBuilderTest {
@Test
public void shouldDetectParameterNames() {
ParameterMetadataBuilder builder = new Neo4jParameterMetadataBuilder();
ParameterMetadata metadata = builder.buildParameterMetadata(
"MATCH ( n:Poem { name: {name}, author:{author} } ) RETURN n"
);
assertThat( metadata.getNamedParameterNames() ).containsOnly( "name", "author" );
}
@Test
public void shouldIgnoreParametersInQuotes() {
ParameterMetadataBuilder builder = new Neo4jParameterMetadataBuilder();
ParameterMetadata metadata = builder.buildParameterMetadata(
"MATCH ( n:Poem { name: {name}, author:{author}, desc:'{desc}' } ) RETURN n"
);
assertThat( metadata.getNamedParameterNames() ).containsOnly( "name", "author" );
}
@Test
public void shouldIgnoreParametersInEscapedName() {
ParameterMetadataBuilder builder = new Neo4jParameterMetadataBuilder();
ParameterMetadata metadata = builder.buildParameterMetadata(
"MATCH ( n:Poem { `{nameNode}`: {name}, author:{author} } ) RETURN n"
);
assertThat( metadata.getNamedParameterNames() ).containsOnly( "name", "author" );
}
@Test
public void shouldAllowSameParameterTwice() {
ParameterMetadataBuilder builder = new Neo4jParameterMetadataBuilder();
ParameterMetadata metadata = builder.buildParameterMetadata(
"MATCH ( n:Poem { name: {name}, author:{name} } ) RETURN n"
);
assertThat( metadata.getNamedParameterNames() ).containsOnly( "name" );
}
@Test
public void shouldAllowWhitespaceInParameterName() {
ParameterMetadataBuilder builder = new Neo4jParameterMetadataBuilder();
ParameterMetadata metadata = builder.buildParameterMetadata(
"MATCH ( n:Poem { name: { name } } ) RETURN n"
);
assertThat( metadata.getNamedParameterNames() ).containsOnly( "name" );
}
}