/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.graph.bipartite;

import org.apache.flink.graph.Vertex;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class ProjectionTest {

	private static final int ID = 10;

	private static final String VERTEX_VALUE = "vertex-value";
	private static final String SOURCE_EDGE_VALUE = "source-edge-value";
	private static final String TARGET_EDGE_VALUE = "target-edge-value";
	private static final String SOURCE_VERTEX_VALUE = "source-vertex-value";
	private static final String TARGET_VERTEX_VALUE = "target-vertex-value";

	private Projection<Integer, String, String, String> projection = createProjection();

	@Test
	public void testIntermediateVertexGetId() {
		assertEquals(Integer.valueOf(ID), projection.getIntermediateVertexId());
	}

	@Test
	public void testGetIntermediateVertexValue() {
		assertEquals(VERTEX_VALUE, projection.getIntermediateVertexValue());
	}

	@Test
	public void testGetSourceEdgeValue() {
		assertEquals(SOURCE_EDGE_VALUE, projection.getSourceEdgeValue());
	}

	@Test
	public void testGetTargetEdgeValue() {
		assertEquals(TARGET_EDGE_VALUE, projection.getTargetEdgeValue());
	}

	@Test
	public void testGetSourceVertexValue() {
		assertEquals(SOURCE_VERTEX_VALUE, projection.getsSourceVertexValue());
	}

	@Test
	public void testGetTargetVertexValue() {
		assertEquals(TARGET_VERTEX_VALUE, projection.getTargetVertexValue());
	}

	private Projection<Integer, String, String, String> createProjection() {
		return new Projection<>(
			new Vertex<>(ID, VERTEX_VALUE),
			SOURCE_VERTEX_VALUE,
			TARGET_VERTEX_VALUE,
			SOURCE_EDGE_VALUE,
			TARGET_EDGE_VALUE);
	}
}