package org.jtwig.integration.issues;
import org.jtwig.JtwigModel;
import org.jtwig.JtwigTemplate;
import org.jtwig.exceptions.ResolveValueException;
import org.jtwig.integration.AbstractIntegrationTest;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.hamcrest.core.StringContains.containsString;
import static org.jtwig.environment.EnvironmentConfigurationBuilder.configuration;
public class Issue140Test extends AbstractIntegrationTest {
@Rule
public ExpectedException expectedException = ExpectedException.none();
/**
* Evaluating an undefined variable in an "is null" statement should throw
* a calculate exception in strict mode.
* @throws Exception
*/
@Test
public void undefinedVarThrowsExceptionOnEvaluation() throws Exception {
expectedException.expect(ResolveValueException.class);
expectedException.expectMessage(containsString("Variable 'var' undefined"));
JtwigTemplate.inlineTemplate("{{ var is null }}", configuration()
.render().withStrictMode(true).and()
.build())
.render(JtwigModel.newModel());
}
/**
* Evaluating an undefined variable in an "is null" statement should return
* true when strict mode is disabled.
* @throws Exception
*/
@Test
public void outputNonexistentVarThrowsException() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ var is null }}", configuration()
.render().withStrictMode(false).and()
.build())
.render(JtwigModel.newModel());
assertThat(result, is(equalTo("true")));
}
}