ride-cleansing/src/test/java/org/apache/flink/training/exercises/ridecleansing/RideCleansingTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.flink.training.exercises.ridecleansing;

import org.apache.flink.training.exercises.common.datatypes.TaxiRide;
import org.apache.flink.training.exercises.testing.TaxiRideTestBase;
import org.apache.flink.training.solutions.ridecleansing.RideCleansingSolution;

import org.joda.time.DateTime;
import org.junit.Test;

import java.util.Collections;
import java.util.List;

import static org.junit.Assert.assertEquals;

public class RideCleansingTest extends TaxiRideTestBase<TaxiRide> {

	static final Testable JAVA_EXERCISE = () -> RideCleansingExercise.main(new String[]{});

	@Test
	public void testInNYC() throws Exception {
		TaxiRide atPennStation = testRide(-73.9947F, 40.750626F, -73.9947F, 40.750626F);

		TestRideSource source = new TestRideSource(atPennStation);

		assertEquals(Collections.singletonList(atPennStation), results(source));
	}

	@Test
	public void testNotInNYC() throws Exception {
		TaxiRide toThePole = testRide(-73.9947F, 40.750626F, 0, 90);
		TaxiRide fromThePole = testRide(0, 90, -73.9947F, 40.750626F);
		TaxiRide atNorthPole = testRide(0, 90, 0, 90);

		TestRideSource source = new TestRideSource(toThePole, fromThePole, atNorthPole);

		assertEquals(Collections.emptyList(), results(source));
	}

	private TaxiRide testRide(float startLon, float startLat, float endLon, float endLat) {
		return new TaxiRide(1L, true, new DateTime(0), new DateTime(0),
				startLon, startLat, endLon, endLat, (short) 1, 0, 0);
	}

	protected List<?> results(TestRideSource source) throws Exception {
		Testable javaSolution = () -> RideCleansingSolution.main(new String[]{});
		return runApp(source, new TestSink<>(), JAVA_EXERCISE, javaSolution);
	}

}