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RunMessageTest.java
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RunMessageTest.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.bolt.v3.messaging.request;
import org.junit.jupiter.api.Test;
import java.time.Duration;
import java.util.Map;
import org.neo4j.bolt.messaging.BoltIOException;
import org.neo4j.kernel.impl.util.ValueUtils;
import org.neo4j.values.virtual.MapValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.startsWith;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.neo4j.helpers.collection.MapUtil.map;
import static org.neo4j.values.virtual.VirtualValues.EMPTY_MAP;
class RunMessageTest
{
@Test
void shouldParseEmptyTransactionMetadataCorrectly() throws Throwable
{
// When
RunMessage message = new RunMessage( "RETURN 1" );
// Then
assertNull( message.transactionMetadata() );
}
@Test
void shouldThrowExceptionIfFailedToParseTransactionMetadataCorrectly() throws Throwable
{
// Given
Map<String,Object> msgMetadata = map( "tx_metadata", "invalid value type" );
MapValue meta = ValueUtils.asMapValue( msgMetadata );
// When & Then
BoltIOException exception = assertThrows( BoltIOException.class, () -> new RunMessage( "RETURN 1", EMPTY_MAP, meta ) );
assertThat( exception.getMessage(), startsWith( "Expecting transaction metadata value to be a Map value" ) );
}
@Test
void shouldParseTransactionMetadataCorrectly() throws Throwable
{
// Given
Map<String,Object> txMetadata = map( "creation-time", Duration.ofMillis( 4321L ) );
Map<String,Object> msgMetadata = map( "tx_metadata", txMetadata );
MapValue meta = ValueUtils.asMapValue( msgMetadata );
// When
RunMessage runMessage = new RunMessage( "RETURN 1", EMPTY_MAP, meta );
// Then
assertThat( runMessage.transactionMetadata().toString(), equalTo( txMetadata.toString() ) );
}
@Test
void shouldThrowExceptionIfFailedToParseTransactionTimeoutCorrectly() throws Throwable
{
// Given
Map<String,Object> msgMetadata = map( "tx_timeout", "invalid value type" );
MapValue meta = ValueUtils.asMapValue( msgMetadata );
// When & Then
BoltIOException exception = assertThrows( BoltIOException.class, () -> new RunMessage( "RETURN 1", EMPTY_MAP, meta ) );
assertThat( exception.getMessage(), startsWith( "Expecting transaction timeout value to be a Long value" ) );
}
@Test
void shouldParseTransactionTimeoutCorrectly() throws Throwable
{
// Given
Map<String,Object> msgMetadata = map( "tx_timeout", 123456L );
MapValue meta = ValueUtils.asMapValue( msgMetadata );
// When
RunMessage runMessage = new RunMessage( "RETURN 1", EMPTY_MAP, meta );
// Then
assertThat( runMessage.transactionTimeout().toMillis(), equalTo( 123456L ) );
}
}