InputSelectionTest.java

package eu.stratosphere.sopremo.expressions;

import static eu.stratosphere.sopremo.type.JsonUtil.createArrayNode;
import junit.framework.Assert;

import org.junit.Test;

import eu.stratosphere.sopremo.type.IJsonNode;
import eu.stratosphere.sopremo.type.IntNode;

public class InputSelectionTest extends EvaluableExpressionTest<InputSelection> {

	@Override
	protected InputSelection createDefaultInstance(final int index) {
		return new InputSelection(index);
	}

	@Test
	public void shouldSelectCorrectInput() {
		final IJsonNode result = new InputSelection(1).evaluate(
			createArrayNode(IntNode.valueOf(0), IntNode.valueOf(1)),
			null, this.context);

		Assert.assertEquals(IntNode.valueOf(1), result);
	}
}