package ca.uhn.fhir.rest.client;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import java.io.InputStream;
import java.io.StringReader;
import java.nio.charset.Charset;
import org.apache.commons.io.input.ReaderInputStream;
import org.apache.http.HttpResponse;
import org.apache.http.ProtocolVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.message.BasicHeader;
import org.apache.http.message.BasicStatusLine;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Matchers;
import org.mockito.internal.stubbing.defaultanswers.ReturnsDeepStubs;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.model.dstu.resource.Conformance;
import ca.uhn.fhir.model.dstu.resource.Patient;
import ca.uhn.fhir.model.primitive.UriDt;
import ca.uhn.fhir.rest.client.exceptions.FhirClientInappropriateForServerException;
import ca.uhn.fhir.rest.server.Constants;
import ca.uhn.fhir.util.TestUtil;
public class ClientServerValidationDstu1Test {
private FhirContext myCtx;
private HttpClient myHttpClient;
private HttpResponse myHttpResponse;
private boolean myFirstResponse;
@Before
public void before() {
myHttpClient = mock(HttpClient.class, new ReturnsDeepStubs());
myHttpResponse = mock(HttpResponse.class, new ReturnsDeepStubs());
myFirstResponse = true;
myCtx = FhirContext.forDstu1();
myCtx.getRestfulClientFactory().setHttpClient(myHttpClient);
}
@Test
public void testServerReturnsAppropriateVersionDstu() throws Exception {
Conformance conf = new Conformance();
conf.setFhirVersion("0.0.8");
final String confResource = myCtx.newXmlParser().encodeResourceToString(conf);
ArgumentCaptor<HttpUriRequest> capt = ArgumentCaptor.forClass(HttpUriRequest.class);
when(myHttpResponse.getStatusLine()).thenReturn(new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1), 200, "OK"));
when(myHttpResponse.getEntity().getContentType()).thenReturn(new BasicHeader("content-type", Constants.CT_FHIR_XML + "; charset=UTF-8"));
when(myHttpResponse.getEntity().getContent()).thenAnswer(new Answer<InputStream>() {
@Override
public InputStream answer(InvocationOnMock theInvocation) throws Throwable {
if (myFirstResponse) {
myFirstResponse=false;
return new ReaderInputStream(new StringReader(confResource), Charset.forName("UTF-8"));
} else {
return new ReaderInputStream(new StringReader(myCtx.newXmlParser().encodeResourceToString(new Patient())), Charset.forName("UTF-8"));
}
}});
when(myHttpClient.execute(capt.capture())).thenReturn(myHttpResponse);
myCtx.getRestfulClientFactory().setServerValidationMode(ServerValidationModeEnum.ONCE);
IGenericClient client = myCtx.newRestfulGenericClient("http://foo");
// don't load the conformance until the first time the client is actually used
assertTrue(myFirstResponse);
client.read(new UriDt("http://foo/Patient/123"));
assertFalse(myFirstResponse);
myCtx.newRestfulGenericClient("http://foo").read(new UriDt("http://foo/Patient/123"));
myCtx.newRestfulGenericClient("http://foo").read(new UriDt("http://foo/Patient/123"));
// Conformance only loaded once, then 3 reads
verify(myHttpClient, times(4)).execute(Matchers.any(HttpUriRequest.class));
}
@Test
public void testServerReturnsWrongVersionDstu() throws Exception {
Conformance conf = new Conformance();
conf.setFhirVersion("0.4.0");
String msg = myCtx.newXmlParser().encodeResourceToString(conf);
ArgumentCaptor<HttpUriRequest> capt = ArgumentCaptor.forClass(HttpUriRequest.class);
when(myHttpResponse.getStatusLine()).thenReturn(new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1), 200, "OK"));
when(myHttpResponse.getEntity().getContentType()).thenReturn(new BasicHeader("content-type", Constants.CT_FHIR_XML + "; charset=UTF-8"));
when(myHttpResponse.getEntity().getContent()).thenReturn(new ReaderInputStream(new StringReader(msg), Charset.forName("UTF-8")));
when(myHttpClient.execute(capt.capture())).thenReturn(myHttpResponse);
myCtx.getRestfulClientFactory().setServerValidationMode(ServerValidationModeEnum.ONCE);
try {
myCtx.newRestfulGenericClient("http://foo").read(new UriDt("http://foo/Patient/1"));
fail();
} catch (FhirClientInappropriateForServerException e) {
assertThat(e.toString(), containsString("The server at base URL \"http://foo/metadata\" returned a conformance statement indicating that it supports FHIR version \"0.4.0\" which corresponds to DSTU2, but this client is configured to use DSTU1 (via the FhirContext)"));
}
}
@AfterClass
public static void afterClassClearContext() {
TestUtil.clearAllStaticFieldsForUnitTest();
}
}