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...-fhir-structures-dstu/src/test/java/ca/uhn/fhir/rest/client/CapturingInterceptorTest.java
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package ca.uhn.fhir.rest.client; | ||
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import ca.uhn.fhir.rest.client.apache.ApacheHttpResponse; | ||
import ca.uhn.fhir.rest.client.api.IHttpRequest; | ||
import ca.uhn.fhir.rest.client.api.IHttpResponse; | ||
import ca.uhn.fhir.rest.client.interceptor.CapturingInterceptor; | ||
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException; | ||
import org.apache.commons.io.IOUtils; | ||
import org.apache.http.HttpRequest; | ||
import org.apache.http.HttpResponse; | ||
import org.apache.http.HttpStatus; | ||
import org.apache.http.HttpVersion; | ||
import org.apache.http.entity.BasicHttpEntity; | ||
import org.apache.http.entity.InputStreamEntity; | ||
import org.apache.http.entity.StringEntity; | ||
import org.apache.http.message.BasicHttpRequest; | ||
import org.apache.http.message.BasicHttpResponse; | ||
import org.junit.After; | ||
import org.junit.Rule; | ||
import org.junit.Test; | ||
import org.junit.rules.ExpectedException; | ||
import org.mockito.Spy; | ||
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import java.io.IOException; | ||
import java.nio.charset.Charset; | ||
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import static org.hamcrest.CoreMatchers.equalTo; | ||
import static org.junit.Assert.assertEquals; | ||
import static org.junit.Assert.assertNull; | ||
import static org.junit.Assert.assertThat; | ||
import static org.mockito.Mockito.*; | ||
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public class CapturingInterceptorTest { | ||
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@Rule | ||
public ExpectedException thrown = ExpectedException.none(); | ||
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@Test | ||
public void testRequest() { | ||
IHttpRequest expectedRequest = mock(IHttpRequest.class); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptRequest(expectedRequest); | ||
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assertEquals(expectedRequest, interceptor.getLastRequest()); | ||
} | ||
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@Test | ||
public void testResponse() throws Exception { | ||
IHttpResponse expectedResponse = mock(IHttpResponse.class); | ||
doNothing().when(expectedResponse).bufferEntity(); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptResponse(expectedResponse); | ||
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assertEquals(expectedResponse, interceptor.getLastResponse()); | ||
verify(expectedResponse).bufferEntity(); | ||
} | ||
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@Test | ||
public void testResponseException() throws Exception { | ||
IHttpResponse response = mock(IHttpResponse.class); | ||
IOException expectedCause = new IOException(); | ||
doThrow(expectedCause).when(response).bufferEntity(); | ||
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thrown.expect(InternalErrorException.class); | ||
thrown.expectMessage("Unable to buffer the entity for capturing"); | ||
thrown.expectCause(equalTo(expectedCause)); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptResponse(response); | ||
} | ||
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@Test | ||
public void testResponseBufferApache() throws Exception{ | ||
HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, "OK"); | ||
response.setEntity(new InputStreamEntity(IOUtils.toInputStream("Some content", Charset.defaultCharset()))); | ||
IHttpResponse expectedResponse = spy(new ApacheHttpResponse(response)); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptResponse(expectedResponse); | ||
IHttpResponse actualResponse = interceptor.getLastResponse(); | ||
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assertEquals(expectedResponse, actualResponse); | ||
assertThat("Some content", equalTo(IOUtils.toString(actualResponse.createReader()))); | ||
verify(expectedResponse).bufferEntity(); | ||
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//A second call should not throw an exception (InpuStreamEntity is not repeatable) | ||
IOUtils.toString(actualResponse.createReader()); | ||
} | ||
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@Test | ||
public void testResponseRepeatable() throws Exception{ | ||
HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, "OK"); | ||
response.setEntity(new StringEntity("Some content")); | ||
IHttpResponse expectedResponse = spy(new ApacheHttpResponse(response)); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptResponse(expectedResponse); | ||
IHttpResponse actualResponse = interceptor.getLastResponse(); | ||
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assertEquals(expectedResponse, actualResponse); | ||
assertThat("Some content", equalTo(IOUtils.toString(actualResponse.createReader()))); | ||
verify(expectedResponse, times(0)).bufferEntity(); | ||
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//A second call should not throw an exception (StringEntity is repeatable) | ||
IOUtils.toString(actualResponse.createReader()); | ||
} | ||
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@Test | ||
public void testResponseBufferOther() throws Exception { | ||
Object response = mock(Object.class); | ||
IHttpResponse expectedResponse = mock(IHttpResponse.class); | ||
when(expectedResponse.getResponse()).thenReturn(response); | ||
doNothing().when(expectedResponse).bufferEntity(); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptResponse(expectedResponse); | ||
IHttpResponse actualResponse = interceptor.getLastResponse(); | ||
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assertEquals(expectedResponse, actualResponse); | ||
verify(expectedResponse).bufferEntity(); | ||
} | ||
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@Test | ||
public void testClear(){ | ||
IHttpRequest expectedRequest = mock(IHttpRequest.class); | ||
IHttpResponse expectedResponse = mock(IHttpResponse.class); | ||
Object response = mock(Object.class); | ||
when(expectedResponse.getResponse()).thenReturn(response); | ||
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CapturingInterceptor interceptor = new CapturingInterceptor(); | ||
interceptor.interceptResponse(expectedResponse); | ||
interceptor.interceptRequest(expectedRequest); | ||
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assertEquals(expectedRequest, interceptor.getLastRequest()); | ||
assertEquals(expectedResponse, interceptor.getLastResponse()); | ||
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interceptor.clear(); | ||
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assertNull(interceptor.getLastRequest()); | ||
assertNull(interceptor.getLastResponse()); | ||
} | ||
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} |