TestBasicJSONRDFGenerator.java

package edu.isi.karma.rdf;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;

import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import edu.isi.karma.kr2rml.mapping.R2RMLMappingIdentifier;
import edu.isi.karma.kr2rml.planning.UserSpecifiedRootStrategy;
import edu.isi.karma.kr2rml.writer.JSONKR2RMLRDFWriter;
import edu.isi.karma.rdf.GenericRDFGenerator.InputType;
import edu.isi.karma.webserver.ContextParametersRegistry;

public class TestBasicJSONRDFGenerator extends TestJSONRDFGenerator {
	private static Logger logger = LoggerFactory.getLogger(TestBasicJSONRDFGenerator.class);
	/**
	 * @throws java.lang.Exception
	 */
	@AfterClass
	public static void tearDownAfterClass() throws Exception {
	}

	/**
	 * @throws java.lang.Exception
	 */
	@Before
	public void setUp() throws Exception {

		// Add the models in
		R2RMLMappingIdentifier modelIdentifier = new R2RMLMappingIdentifier(
				"people-model", getTestResource(
						 "people-model.ttl"));
		rdfGen.addModel(modelIdentifier);
		
		modelIdentifier = new R2RMLMappingIdentifier("cs548-events-model",
				 getTestResource("cs548-events-model.ttl")
						);
		rdfGen.addModel(modelIdentifier);
		modelIdentifier = new R2RMLMappingIdentifier(
				"employees-model", getTestResource(
						 "employees-model.ttl"));
		rdfGen.addModel(modelIdentifier);
	}

	/**
	 * @throws java.lang.Exception
	 */
	@After
	public void tearDown() throws Exception {
	}

	@Test
	public void testGenerateRDF1() {
		try {
			executeBasicJSONTest("people.json", "people-model", true, 102);
		} catch (Exception e) {
			logger.error("testGenerateRDF1 failed:", e);
			fail("Execption: " + e.getMessage());
		}
	}

	@Test
	public void testGenerateJSON1() {
		try {
			String filename = "people.json";
			logger.info("Loading json file: " + filename);
			StringWriter sw = new StringWriter();
			PrintWriter pw = new PrintWriter(sw);
			JSONKR2RMLRDFWriter writer = new JSONKR2RMLRDFWriter(pw);
			RDFGeneratorRequest request = new RDFGeneratorRequest("people-model", filename);
			request.setInputFile(new File(getTestResource(filename).toURI()));
			request.setAddProvenance(false);
			request.setDataType(InputType.JSON);
			request.addWriter(writer);
			request.setContextParameters(ContextParametersRegistry.getInstance().getDefault());
			rdfGen.generateRDF(request);
			String rdf = sw.toString();
			assertNotEquals(rdf.length(), 0);
			String[] lines = rdf.split("(\r\n|\n)");
			int count = lines.length;
			
			assertEquals(148, count);
		} catch (Exception e) {
			logger.error("testGenerateRDF1 failed:", e);
			fail("Execption: " + e.getMessage());
		}
	}
	
	@Test
	public void testGenerateJSON2() {
		try {
			String filename = "employees.json";
			logger.info("Loading json file: " + filename);
			StringWriter sw = new StringWriter();
			PrintWriter pw = new PrintWriter(sw);
			JSONKR2RMLRDFWriter writer = new JSONKR2RMLRDFWriter(pw);
			RDFGeneratorRequest request = new RDFGeneratorRequest("employees-model", filename);
			request.setInputFile(new File(getTestResource(filename).toURI()));
			request.setDataType(InputType.JSON);
			request.setStrategy(new UserSpecifiedRootStrategy("http://isi.edu/integration/karma/dev#TriplesMap_6c6ae57b-f0ac-4443-9a49-4ae5d2e20630"));
			request.addWriter(writer);
			request.setContextParameters(ContextParametersRegistry.getInstance().getDefault());
			rdfGen.generateRDF(request);
			
			String rdf = sw.toString();
			assertNotEquals(rdf.length(), 0);
			String[] lines = rdf.split("(\r\n|\n)");
			int count = lines.length;
			
			assertEquals(358, count);
		} catch (Exception e) {
			logger.error("testGenerateJSON2 failed:", e);
			fail("Execption: " + e.getMessage());
		}
	}
	
	@Test
	public void testGenerateJSON3() {
		try {
			String filename = "employees.json";
			logger.info("Loading json file: " + filename);
			StringWriter sw = new StringWriter();
			PrintWriter pw = new PrintWriter(sw);
			JSONKR2RMLRDFWriter writer = new JSONKR2RMLRDFWriter(pw,"http://lod.isi.edu/cs548/",true);
			RDFGeneratorRequest request = new RDFGeneratorRequest("employees-model", filename);
			request.setInputFile(new File(getTestResource(filename).toURI()));
			request.setDataType(InputType.JSON);
			request.setStrategy(new UserSpecifiedRootStrategy("http://isi.edu/integration/karma/dev#TriplesMap_6c6ae57b-f0ac-4443-9a49-4ae5d2e20630"));
			request.addWriter(writer);
			request.setContextParameters(ContextParametersRegistry.getInstance().getDefault());
			rdfGen.generateRDF(request);
			
			String rdf = sw.toString();
			assertNotEquals(rdf.length(), 0);
			String[] lines = rdf.split("(\r\n|\n)");
			int count = lines.length;
			
			assertEquals(236, count);
		} catch (Exception e) {
			logger.error("testGenerateJSON3 failed:", e);
			fail("Execption: " + e.getMessage());
		}
	}	
	@Test
	public void testGenerateRDF2() {
		try {
			executeBasicJSONTest("cs548-events.json", "cs548-events-model", true, 238);
		} catch (Exception e) {
			logger.error("testGenerateRDF1 failed:", e);
			fail("Execption: " + e.getMessage());
		}
	}
}