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JenaStatementTest.java
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JenaStatementTest.java
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package cz.cvut.kbss.ontodriver.jena.query;
import cz.cvut.kbss.ontodriver.ResultSet;
import cz.cvut.kbss.ontodriver.Statement;
import cz.cvut.kbss.ontodriver.jena.connector.StatementExecutor;
import cz.cvut.kbss.ontodriver.jena.exception.JenaDriverException;
import org.apache.jena.query.Query;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.*;
public class JenaStatementTest {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Mock
private StatementExecutor executor;
private JenaStatement statement;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
this.statement = new JenaStatement(executor);
}
@Test
public void executeQueryExecutesSelect() throws JenaDriverException {
final SelectResultSet rsMock = mock(SelectResultSet.class);
when(executor.executeSelectQuery(any(), any())).thenReturn(rsMock);
final String query = "SELECT * WHERE { ?x ?y ?z .}";
final ResultSet rs = statement.executeQuery(query);
verify(executor).executeSelectQuery(any(Query.class), eq(Statement.StatementOntology.CENTRAL));
assertSame(rsMock, rs);
}
@Test
public void executeQueryExecutesAsk() throws JenaDriverException {
final AskResultSet rsMock = mock(AskResultSet.class);
when(executor.executeAskQuery(any(), any())).thenReturn(rsMock);
final String query = "ASK { ?x a <http://xmlns.com/foaf/0.1/Person> . }";
final ResultSet rs = statement.executeQuery(query);
verify(executor).executeAskQuery(any(Query.class), eq(Statement.StatementOntology.CENTRAL));
assertSame(rsMock, rs);
}
@Test
public void executeQueryExecutesAskWhenPrefixesAreDeclared() throws JenaDriverException {
final AskResultSet rsMock = mock(AskResultSet.class);
when(executor.executeAskQuery(any(), any())).thenReturn(rsMock);
final String query = "PREFIX foaf: <http://xmlns.com/foaf/0.1/> \n" +
"ASK { ?x a foaf:Person . }";
statement.executeQuery(query);
verify(executor).executeAskQuery(any(Query.class), eq(Statement.StatementOntology.CENTRAL));
}
@Test
public void executeQuerySetsStatementOnResultSet() throws JenaDriverException {
final SelectResultSet rsMock = mock(SelectResultSet.class);
when(executor.executeSelectQuery(any(), any())).thenReturn(rsMock);
final String query = "SELECT * WHERE { ?x ?y ?z .}";
final AbstractResultSet rs = (AbstractResultSet) statement.executeQuery(query);
verify(rs).setStatement(statement);
}
@Test
public void executeQueryThrowsIllegalStateExceptionForClosedStatement() throws JenaDriverException {
thrown.expect(IllegalStateException.class);
thrown.expectMessage("Statement is closed.");
statement.close();
statement.executeQuery("SELECT * WHERE { ?x ?y ?z .}");
}
@Test
public void executeQueryThrowsJenaDriverExceptionForMalformedQuery() throws JenaDriverException {
final String query = "SELECT * WHERE { ?x ?y df .}";
thrown.expect(JenaDriverException.class);
thrown.expectMessage(containsString("Unable to parse query "));
statement.executeQuery(query);
}
@Test
public void executeQueryClosesCurrentResultSet() throws JenaDriverException {
final SelectResultSet rsMock = mock(SelectResultSet.class);
when(executor.executeSelectQuery(any(), any())).thenReturn(rsMock);
final String query = "SELECT * WHERE { ?x ?y ?z .}";
final AbstractResultSet rs = (AbstractResultSet) statement.executeQuery(query);
assertSame(rsMock, rs);
statement.executeQuery(query);
verify(rsMock).close();
}
@Test
public void executeUpdateExecutesUpdateQuery() throws JenaDriverException {
final String query = "INSERT DATA { _:b1 a <http://xmlns.com/foaf/0.1/Person> . }";
statement.executeUpdate(query);
verify(executor).executeUpdate(query, Statement.StatementOntology.CENTRAL);
}
@Test
public void executeUpdateThrowsIllegalStateExceptionForClosedStatement() throws JenaDriverException {
thrown.expect(IllegalStateException.class);
thrown.expectMessage("Statement is closed.");
statement.close();
statement.executeUpdate("INSERT DATA { _:b1 a <http://xmlns.com/foaf/0.1/Person> . }");
}
@Test
public void executeUpdateClosesExistingResultSet() throws JenaDriverException {
final AskResultSet rsMock = mock(AskResultSet.class);
when(executor.executeAskQuery(any(), any())).thenReturn(rsMock);
final String query = "ASK { ?x a <http://xmlns.com/foaf/0.1/Person> . }";
statement.executeQuery(query);
final String update = "INSERT DATA { _:b1 a <http://xmlns.com/foaf/0.1/Person> . }";
statement.executeUpdate(update);
verify(rsMock).close();
}
@Test
public void closeClosesCurrentResultSetAsWell() throws Exception {
final AskResultSet rsMock = mock(AskResultSet.class);
when(executor.executeAskQuery(any(), any())).thenReturn(rsMock);
final String query = "ASK { ?x a <http://xmlns.com/foaf/0.1/Person> . }";
statement.executeQuery(query);
statement.close();
verify(rsMock).close();
assertFalse(statement.isOpen());
}
@Test
public void settingTargetOntologyIsReflectedInQueryExecutionParameter() throws Exception {
final SelectResultSet rsMock = mock(SelectResultSet.class);
when(executor.executeSelectQuery(any(), any())).thenReturn(rsMock);
final String query = "SELECT * WHERE { ?x ?y ?z .}";
statement.useOntology(Statement.StatementOntology.TRANSACTIONAL);
assertEquals(Statement.StatementOntology.TRANSACTIONAL, statement.getStatementOntology());
final ResultSet rs = statement.executeQuery(query);
verify(executor).executeSelectQuery(any(Query.class), eq(Statement.StatementOntology.TRANSACTIONAL));
assertSame(rsMock, rs);
}
}