package ca.uhn.fhir.parser; import static org.junit.Assert.assertTrue; import java.io.ByteArrayOutputStream; import java.io.FileInputStream; import java.io.StringReader; import java.io.StringWriter; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; import javax.xml.stream.XMLEventReader; import javax.xml.stream.XMLEventWriter; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.events.XMLEvent; import org.custommonkey.xmlunit.DetailedDiff; import org.custommonkey.xmlunit.Diff; import org.hl7.fhir.instance.model.api.IBaseResource; import org.junit.AfterClass; import org.junit.Test; import ca.uhn.fhir.context.FhirContext; import ca.uhn.fhir.util.TestUtil; import ca.uhn.fhir.util.XmlUtil; public class RoundTripDstu3Test { private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(RoundTripDstu3Test.class); private static FhirContext ourCtx = FhirContext.forDstu3(); @Test public void testIt() { // Just so this doesn't complain until we enable roundtrip test } @AfterClass public static void afterClassClearContext() { TestUtil.clearAllStaticFieldsForUnitTest(); } // @Test public void testRoundTrip() throws Exception { ZipInputStream is = new ZipInputStream(new FileInputStream("src/test/resources/examples.zip")); try { while (true) { ZipEntry nextEntry = is.getNextEntry(); if (nextEntry == null) { break; } ByteArrayOutputStream oos = new ByteArrayOutputStream(); byte[] buffer = new byte[2048]; int len = 0; while ((len = is.read(buffer)) > 0) { oos.write(buffer, 0, len); } String exampleText = oos.toString("UTF-8"); ourLog.info("Next file: {} - Size: {} bytes", nextEntry.getName(), exampleText.length()); if (!nextEntry.getName().contains("diagnosticreport-examples-lab")) { continue; } IBaseResource parsed = ourCtx.newXmlParser().parseResource(exampleText); String encodedXml = ourCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(parsed); exampleText = cleanXml(exampleText); encodedXml = cleanXml(encodedXml); DetailedDiff d = new DetailedDiff(new Diff(new StringReader(exampleText), new StringReader(encodedXml))); // d.overrideDifferenceListener(new DifferenceListener() { // // @Override // public void skippedComparison(Node theControl, Node theTest) { // ourLog.info("" + theControl); // } // // @Override // public int differenceFound(Difference theDifference) { // ourLog.info("" + theDifference); // return 0; // } // }); boolean similar = d.similar(); if (!similar) { exampleText = exampleText.replace(" xmlns=\"http://hl7.org/fhir\"", ""); encodedXml = encodedXml.replace(" xmlns=\"http://hl7.org/fhir\"", ""); if (exampleText.length() != encodedXml.length()) { // ourLog.info("Expected: " + exampleText); // ourLog.info("Actual : " + encodedXml); assertTrue(d.toString(), similar); } } } } finally { is.close(); } } private String cleanXml(String exampleText) throws Error, Exception { XMLEventReader read = XmlUtil.createXmlReader(new StringReader(exampleText)); StringWriter sw = new StringWriter(); XMLEventWriter write = XmlUtil.createXmlWriter(sw); while (read.hasNext()) { XMLEvent nextEvent = read.nextEvent(); if (nextEvent.getEventType() == XMLStreamConstants.COMMENT) { continue; } write.add(nextEvent); } write.add(read); sw.close(); return sw.toString().replaceAll("<!--.*-->", "").replace("\n", " ").replace("\r", " ").replaceAll(">\\s+<", "><").replaceAll("<\\?.*\\?>", "").replaceAll("\\s+", " "); } }