package org.jtwig.parser.parboiled.expression;
import org.jtwig.model.expression.Expression;
import org.jtwig.model.expression.FunctionExpression;
import org.jtwig.parser.parboiled.AbstractParserTest;
import org.junit.Test;
import org.parboiled.support.ParsingResult;
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.IsInstanceOf.instanceOf;
public class FunctionExpressionParserTest extends AbstractParserTest {
private FunctionExpressionParser underTest = context.parser(FunctionExpressionParser.class);
@Test
public void functionExpressionOneUnnamedArgument() throws Exception {
ParsingResult<Expression> result = parse(underTest.ExpressionRule(), "two(1)");
assertThat(result.matched, is(true));
Expression expression = result.valueStack.pop();
assertThat(expression, is(instanceOf(FunctionExpression.class)));
FunctionExpression functionExpression = (FunctionExpression) expression;
assertThat(functionExpression.getFunctionIdentifier(), equalTo("two"));
assertThat(functionExpression.getArguments().size(), equalTo(1));
assertThat(functionExpression.getPosition().getLine(), is(1));
assertThat(functionExpression.getPosition().getColumn(), is(1));
}
@Test
public void functionExpressionTwoUnnamedArgument() throws Exception {
ParsingResult<Expression> result = parse(underTest.ExpressionRule(), "two(1,2)");
assertThat(result.matched, is(true));
Expression expression = result.valueStack.pop();
assertThat(expression, is(instanceOf(FunctionExpression.class)));
FunctionExpression functionExpression = (FunctionExpression) expression;
assertThat(functionExpression.getFunctionIdentifier(), equalTo("two"));
assertThat(functionExpression.getArguments().size(), equalTo(2));
assertThat(functionExpression.getPosition().getLine(), is(1));
assertThat(functionExpression.getPosition().getColumn(), is(1));
}
}