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JUnitRuleTest.java
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JUnitRuleTest.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.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.harness;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runners.model.Statement;
import java.util.List;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Label;
import org.neo4j.graphdb.Result;
import org.neo4j.graphdb.Transaction;
import org.neo4j.harness.extensionpackage.MyUnmanagedExtension;
import org.neo4j.harness.junit.Neo4jRule;
import org.neo4j.helpers.collection.Iterators;
import org.neo4j.kernel.configuration.Settings;
import org.neo4j.kernel.configuration.ssl.LegacySslPolicyConfig;
import org.neo4j.server.configuration.ServerSettings;
import org.neo4j.test.TestGraphDatabaseFactory;
import org.neo4j.test.rule.SuppressOutput;
import org.neo4j.test.rule.TestDirectory;
import org.neo4j.test.server.HTTP;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertEquals;
import static org.neo4j.server.ServerTestUtils.getRelativePath;
import static org.neo4j.server.ServerTestUtils.getSharedTestTemporaryFolder;
import static org.neo4j.test.server.HTTP.RawPayload.quotedJson;
public class JUnitRuleTest
{
@Rule
public TestDirectory testDirectory = TestDirectory.testDirectory();
@Rule
public SuppressOutput suppressOutput = SuppressOutput.suppressAll();
@Rule
public Neo4jRule neo4j = new Neo4jRule()
.withFixture( "CREATE (u:User)" )
.withConfig( LegacySslPolicyConfig.certificates_directory.name(),
getRelativePath( getSharedTestTemporaryFolder(), LegacySslPolicyConfig.certificates_directory ) )
.withConfig( ServerSettings.script_enabled, Settings.TRUE )
.withFixture( graphDatabaseService ->
{
try ( Transaction tx = graphDatabaseService.beginTx() )
{
graphDatabaseService.createNode( Label.label( "User" ) );
tx.success();
}
return null;
} )
.withExtension( "/test", MyUnmanagedExtension.class );
@Test
public void shouldExtensionWork() throws Exception
{
// Given the rule in the beginning of this class
// When I run this test
// Then
assertThat( HTTP.GET( neo4j.httpURI().resolve( "test/myExtension" ).toString() ).status(), equalTo( 234 ) );
}
@Test
public void shouldFixturesWork() throws Exception
{
// Given the rule in the beginning of this class
// When I run this test
// Then
HTTP.Response response = HTTP.POST( neo4j.httpURI().toString() + "db/data/transaction/commit",
quotedJson( "{'statements':[{'statement':'MATCH (n:User) RETURN n'}]}" ) );
assertThat( response.get( "results" ).get( 0 ).get( "data" ).size(), equalTo( 2 ) );
}
@Test
public void shouldGraphDatabaseServiceBeAccessible()
{
// Given the rule in the beginning of this class
// When I run this test
// Then
assertEquals( 2, Iterators.count(
neo4j.getGraphDatabaseService().execute( "MATCH (n:User) RETURN n" )
) );
}
@Test
public void shouldRuleWorkWithExsitingDirectory()
{
// given
GraphDatabaseService db = new TestGraphDatabaseFactory()
.newEmbeddedDatabaseBuilder( testDirectory.directory() )
.newGraphDatabase();
try
{
db.execute( "CREATE ()" );
}
finally
{
db.shutdown();
}
// When a rule with an pre-populated graph db directory is used
final Neo4jRule ruleWithDirectory = new Neo4jRule(testDirectory.directory())
.withConfig( ServerSettings.script_enabled, Settings.TRUE )
.copyFrom( testDirectory.directory());
ruleWithDirectory.apply( new Statement()
{
@Override
public void evaluate() throws Throwable
{
// Then the database is not empty
Result result = ruleWithDirectory.getGraphDatabaseService().execute( "match (n) return count(n) as " +
"count" );
List<Object> column = Iterators.asList( result.columnAs( "count" ) );
assertEquals( 1, column.size() );
assertEquals( 1, column.get( 0 ) );
}
}, null );
}
}