ClientWithCustomTypeDstu2_1Test.java example

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hapi-fhir-master
package ca.uhn.fhir.rest.client;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.io.StringReader;
import java.nio.charset.Charset;

import org.apache.commons.io.IOUtils;
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.HttpEntityEnclosingRequestBase;
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.BeforeClass;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
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.parser.IParser;
import ca.uhn.fhir.rest.server.Constants;
import ca.uhn.fhir.util.TestUtil;

public class ClientWithCustomTypeDstu2_1Test {
	private static FhirContext ourCtx;
	private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(ClientWithCustomTypeDstu2_1Test.class);
	private HttpClient myHttpClient;
	private HttpResponse myHttpResponse;

	@AfterClass
	public static void afterClassClearContext() {
		TestUtil.clearAllStaticFieldsForUnitTest();
	}


	@Before
	public void before() {
		myHttpClient = mock(HttpClient.class, new ReturnsDeepStubs());
		ourCtx.getRestfulClientFactory().setHttpClient(myHttpClient);
		ourCtx.getRestfulClientFactory().setServerValidationMode(ServerValidationModeEnum.NEVER);
		myHttpResponse = mock(HttpResponse.class, new ReturnsDeepStubs());
	}

	private byte[] extractBodyAsByteArray(ArgumentCaptor<HttpUriRequest> capt) throws IOException {
		byte[] body = IOUtils.toByteArray(((HttpEntityEnclosingRequestBase) capt.getAllValues().get(0)).getEntity().getContent());
		return body;
	}

	private String extractBodyAsString(ArgumentCaptor<HttpUriRequest> capt) throws IOException {
		String body = IOUtils.toString(((HttpEntityEnclosingRequestBase) capt.getAllValues().get(0)).getEntity().getContent(), "UTF-8");
		return body;
	}


	@Test
	public void testReadCustomType() throws Exception {
		IParser p = ourCtx.newXmlParser();

		MyPatientWithExtensions response = new MyPatientWithExtensions();
		response.addName().addFamily("FAMILY");
		response.getStringExt().setValue("STRINGVAL");
		response.getDateExt().setValueAsString("2011-01-02");
		final String respString = p.encodeResourceToString(response);
		
		ArgumentCaptor<HttpUriRequest> capt = ArgumentCaptor.forClass(HttpUriRequest.class);
		when(myHttpClient.execute(capt.capture())).thenReturn(myHttpResponse);
		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<ReaderInputStream>() {
			@Override
			public ReaderInputStream answer(InvocationOnMock theInvocation) throws Throwable {
				return new ReaderInputStream(new StringReader(respString), Charset.forName("UTF-8"));
			}
		});

		IGenericClient client = ourCtx.newRestfulGenericClient("http://example.com/fhir");

		//@formatter:off
		MyPatientWithExtensions value = client
			.read()
			.resource(MyPatientWithExtensions.class)
			.withId("123")
			.execute();
		//@formatter:on

		HttpUriRequest request = capt.getAllValues().get(0);

		assertEquals("http://example.com/fhir/Patient/123", request.getURI().toASCIIString());
		assertEquals("GET", request.getMethod());

		assertEquals(1, value.getName().size());
		assertEquals("FAMILY", value.getName().get(0).getFamilyAsSingleString());
		assertEquals("STRINGVAL", value.getStringExt().getValue());
		assertEquals("2011-01-02", value.getDateExt().getValueAsString());
		
	}



	@BeforeClass
	public static void beforeClass() {
		ourCtx = FhirContext.forDstu2_1();
	}

}