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StatementHolderTest.java
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StatementHolderTest.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program 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 cz.cvut.kbss.ontodriver.util;
import org.junit.Test;
import java.lang.reflect.Field;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.*;
public class StatementHolderTest {
@Test(expected = NullPointerException.class)
public void constructorThrowsExceptionForNullStatement() {
new StatementHolder(null);
}
@Test
public void analyzingStatementWithoutParametersDoesNothing() {
final String query = "SELECT nothing WHERE { <http://subject> <http://property> <http://subject> . }";
final StatementHolder statementHolder = new StatementHolder(query);
statementHolder.analyzeStatement();
assertEquals(query, statementHolder.assembleStatement());
}
@Test
public void testAnalyzeSimpleQueryWithTwoParams() throws Exception {
final String query = "SELECT ?x ?y WHERE { ?x <http://property> ?y . }";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
final Field paramNamesField = StatementHolder.class.getDeclaredField("paramNames");
paramNamesField.setAccessible(true);
final List<String> paramNames = (List<String>) paramNamesField.get(holder);
assertTrue(paramNames.contains("x"));
assertTrue(paramNames.contains("y"));
}
@Test
public void analyzeQueryHandlesParameterFollowedImmediatelyByFullStop() throws Exception {
final String query = "SELECT * WHERE { ?x ?y ?z. }";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
assertEquals(query, holder.assembleStatement());
final Field paramNamesField = StatementHolder.class.getDeclaredField("paramNames");
paramNamesField.setAccessible(true);
final List<String> paramNames = (List<String>) paramNamesField.get(holder);
assertTrue(paramNames.contains("x"));
assertTrue(paramNames.contains("y"));
assertTrue(paramNames.contains("z"));
}
@Test
public void testAssembleSimpleQueryWithTwoParams() {
final String query = "SELECT ?x WHERE { ?x <http://property> ?y . }";
final String expected = "SELECT ?x WHERE { ?x <http://property> 'Bill' . }";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
holder.setParameter("y", "'Bill'");
assertEquals(expected, holder.assembleStatement());
}
@Test
public void testQueryWithNewlines() {
final String query = "WITH <urn:sparql:tests:update:insert:delete:with>"
+ "DELETE { ?person <http://xmlns.com/foaf/0.1/givenName> ?name }"
+ "INSERT { ?person <http://xmlns.com/foaf/0.1/givenName> 'William' } WHERE\n"
+ "{\n?person <http://xmlns.com/foaf/0.1/givenName> ?name\n}";
final String expected = "WITH <urn:sparql:tests:update:insert:delete:with>"
+ "DELETE { ?person <http://xmlns.com/foaf/0.1/givenName> 'Bill' }"
+ "INSERT { ?person <http://xmlns.com/foaf/0.1/givenName> 'William' } WHERE\n"
+ "{\n?person <http://xmlns.com/foaf/0.1/givenName> 'Bill'\n}";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
holder.setParameter("name", "'Bill'");
assertEquals(expected, holder.assembleStatement());
}
@Test
public void testQueryWithDoubleQuotes() {
final String query = "WITH <urn:sparql:tests:update:insert:delete:with>"
+ "DELETE { ?person <http://xmlns.com/foaf/0.1/givenName> ?name }"
+ "INSERT { ?person <http://xmlns.com/foaf/0.1/givenName> \"William\" } WHERE\n"
+ "{\n?person <http://xmlns.com/foaf/0.1/givenName> ?name\n}";
final String expected = "WITH <urn:sparql:tests:update:insert:delete:with>"
+ "DELETE { ?person <http://xmlns.com/foaf/0.1/givenName> \"Bill\" }"
+ "INSERT { ?person <http://xmlns.com/foaf/0.1/givenName> \"William\" } WHERE\n"
+ "{\n?person <http://xmlns.com/foaf/0.1/givenName> \"Bill\"\n}";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
holder.setParameter("name", "\"Bill\"");
assertEquals(expected, holder.assembleStatement());
}
@Test
public void clearParametersRemovesAllPreviouslySetParameterValues() throws Exception {
final String query = "SELECT ?x ?y WHERE { ?x <http://property> ?y . }";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
final Field paramValuesField = StatementHolder.class.getDeclaredField("paramValues");
paramValuesField.setAccessible(true);
final Map<String, String> paramValues = (Map<String, String>) paramValuesField.get(holder);
final String p1 = "_:subject";
final String p2 = "<http://object>";
holder.setParameter("x", p1);
holder.setParameter("y", p2);
assertEquals(p1, paramValues.get("x"));
assertEquals(p2, paramValues.get("y"));
holder.clearParameters();
assertNull(paramValues.get("x"));
assertNull(paramValues.get("y"));
}
@Test(expected = IllegalStateException.class)
public void throwsExceptionWhenTryingToSetParameterOnStatementNotAnalysed() {
final String query = "SELECT ?x ?y WHERE { ?x <http://property> ?y . }";
final StatementHolder holder = new StatementHolder(query);
holder.setParameter("x", "'hey'");
}
@Test(expected = IllegalArgumentException.class)
public void setUnknownParameterValueThrowsException() {
final String query = "SELECT ?x ?y WHERE { ?x <http://property> ?y . }";
final StatementHolder holder = new StatementHolder(query);
holder.analyzeStatement();
holder.setParameter("z", "someValue@en");
}
}