package ca.uhn.fhir.rest.server;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.stringContainsInOrder;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.apache.commons.io.IOUtils;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.hl7.fhir.dstu3.hapi.rest.server.ServerCapabilityStatementProvider;
import org.hl7.fhir.dstu3.model.Patient;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.context.FhirVersionEnum;
import ca.uhn.fhir.rest.annotation.OptionalParam;
import ca.uhn.fhir.rest.annotation.ResourceParam;
import ca.uhn.fhir.rest.annotation.Search;
import ca.uhn.fhir.rest.annotation.Validate;
import ca.uhn.fhir.rest.api.MethodOutcome;
import ca.uhn.fhir.rest.param.StringParam;
import ca.uhn.fhir.util.PortUtil;
import ca.uhn.fhir.util.TestUtil;
import ca.uhn.fhir.util.VersionUtil;
public class MetadataCapabilityStatementDstu3Test {
private static CloseableHttpClient ourClient;
private static FhirContext ourCtx = FhirContext.forDstu3();
private static int ourPort;
private static Server ourServer;
private static RestfulServer ourServlet;
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(MetadataCapabilityStatementDstu3Test.class);
@Test
public void testSummary() throws Exception {
String output;
// With
HttpRequestBase httpPost = new HttpGet("http://localhost:" + ourPort + "/metadata?_summary=true&_pretty=true");
CloseableHttpResponse status = ourClient.execute(httpPost);
try {
output = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
assertEquals(200, status.getStatusLine().getStatusCode());
ourLog.info(output);
assertThat(output, containsString("<CapabilityStatement"));
assertThat(output, stringContainsInOrder("<meta>", "SUBSETTED", "</meta>"));
assertThat(output, not(stringContainsInOrder("searchParam")));
} finally {
IOUtils.closeQuietly(status.getEntity().getContent());
}
// Without
httpPost = new HttpGet("http://localhost:" + ourPort + "/metadata?_pretty=true");
status = ourClient.execute(httpPost);
try {
output = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
assertEquals(200, status.getStatusLine().getStatusCode());
ourLog.info(output);
assertThat(output, containsString("<CapabilityStatement"));
assertThat(output, not(stringContainsInOrder("<meta>", "SUBSETTED", "</meta>")));
assertThat(output, stringContainsInOrder("searchParam"));
} finally {
IOUtils.closeQuietly(status.getEntity().getContent());
}
}
@Test
public void testElements() throws Exception {
String output;
HttpRequestBase httpPost = new HttpGet("http://localhost:" + ourPort + "/metadata?_elements=fhirVersion&_pretty=true");
CloseableHttpResponse status = ourClient.execute(httpPost);
try {
output = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
assertEquals(200, status.getStatusLine().getStatusCode());
ourLog.info(output);
assertThat(output, containsString("<CapabilityStatement"));
assertThat(output, stringContainsInOrder("<meta>", "SUBSETTED", "</meta>"));
} finally {
IOUtils.closeQuietly(status.getEntity().getContent());
}
}
@Test
public void testHttpMethods() throws Exception {
String output;
HttpRequestBase httpPost = new HttpGet("http://localhost:" + ourPort + "/metadata");
CloseableHttpResponse status = ourClient.execute(httpPost);
try {
output = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
assertEquals(200, status.getStatusLine().getStatusCode());
assertThat(output, containsString("<CapabilityStatement"));
assertEquals("HAPI FHIR " + VersionUtil.getVersion() + " REST Server (FHIR Server; FHIR " + FhirVersionEnum.DSTU3.getFhirVersionString() + "/DSTU3)",
status.getFirstHeader("X-Powered-By").getValue());
} finally {
IOUtils.closeQuietly(status.getEntity().getContent());
}
try {
httpPost = new HttpPost("http://localhost:" + ourPort + "/metadata");
status = ourClient.execute(httpPost);
output = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
assertEquals(405, status.getStatusLine().getStatusCode());
assertEquals(
"<OperationOutcome xmlns=\"http://hl7.org/fhir\"><issue><severity value=\"error\"/><code value=\"processing\"/><diagnostics value=\"/metadata request must use HTTP GET\"/></issue></OperationOutcome>",
output);
} finally {
IOUtils.closeQuietly(status.getEntity().getContent());
}
/*
* There is no @read on the RP below, so this should fail. Otherwise it
* would be interpreted as a read on ID "metadata"
*/
try {
httpPost = new HttpGet("http://localhost:" + ourPort + "/Patient/metadata");
status = ourClient.execute(httpPost);
output = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
assertEquals(400, status.getStatusLine().getStatusCode());
} finally {
IOUtils.closeQuietly(status.getEntity().getContent());
}
}
@AfterClass
public static void afterClassClearContext() throws Exception {
ourServer.stop();
TestUtil.clearAllStaticFieldsForUnitTest();
}
@BeforeClass
public static void beforeClass() throws Exception {
ourPort = PortUtil.findFreePort();
ourServer = new Server(ourPort);
DummyPatientResourceProvider patientProvider = new DummyPatientResourceProvider();
ServletHandler proxyHandler = new ServletHandler();
ourServlet = new RestfulServer(ourCtx);
ourServlet.setResourceProviders(patientProvider);
ourServlet.setServerConformanceProvider(new ServerCapabilityStatementProvider(ourServlet));
ServletHolder servletHolder = new ServletHolder(ourServlet);
proxyHandler.addServletWithMapping(servletHolder, "/*");
ourServer.setHandler(proxyHandler);
ourServer.start();
PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(5000, TimeUnit.MILLISECONDS);
HttpClientBuilder builder = HttpClientBuilder.create();
builder.setConnectionManager(connectionManager);
ourClient = builder.build();
}
@SuppressWarnings("unused")
public static class DummyPatientResourceProvider implements IResourceProvider {
@Override
public Class<Patient> getResourceType() {
return Patient.class;
}
@Search
public List<Patient> search(@OptionalParam(name = "foo") StringParam theFoo) {
throw new UnsupportedOperationException();
}
@Validate()
public MethodOutcome validate(@ResourceParam Patient theResource) {
return new MethodOutcome();
}
}
}