Package org.apache.http.protocol

Source Code of org.apache.http.protocol.TestHttpRequestExecutor

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package org.apache.http.protocol;

import java.io.IOException;

import org.apache.http.HttpClientConnection;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.ProtocolException;
import org.apache.http.message.BasicHttpEntityEnclosingRequest;
import org.apache.http.message.BasicHttpRequest;
import org.apache.http.message.BasicHttpResponse;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;

public class TestHttpRequestExecutor {


    @Test
    public void testInvalidInput() throws Exception {
        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("GET", "/");
        HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.execute(null, conn, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.execute(request, null, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.execute(request, conn, null);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }

        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.doSendRequest(null, conn, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.doSendRequest(request, null, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.doSendRequest(request, conn, null);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }

        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.doReceiveResponse(null, conn, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.doReceiveResponse(request, null, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.doReceiveResponse(request, conn, null);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }

        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.preProcess(null, httprocessor, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.preProcess(request, null, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.preProcess(request, httprocessor, null);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }

        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.postProcess(null, httprocessor, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.postProcess(response, null, context);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
        try {
            HttpRequestExecutor executor = new HttpRequestExecutor();
            executor.postProcess(response, httprocessor, null);
            Assert.fail("IllegalArgumentException expected");
        } catch (IllegalArgumentException expected) {
        }
    }

    @Test
    public void testBasicExecution() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("GET", "/");

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK"));

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).flush();
        Mockito.verify(conn).receiveResponseHeader();
        Mockito.verify(conn).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);

        Assert.assertSame(conn, context.getAttribute(ExecutionContext.HTTP_CONNECTION));
        Assert.assertSame(request, context.getAttribute(ExecutionContext.HTTP_REQUEST));
        Assert.assertSame(response, context.getAttribute(ExecutionContext.HTTP_RESPONSE));
    }

    @Test
    public void testExecutionSkipIntermediateResponses() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("GET", "/");

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 100, "OK"),
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 101, "OK"),
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 102, "OK"),
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK"));

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).flush();
        Mockito.verify(conn, Mockito.times(4)).receiveResponseHeader();
        Mockito.verify(conn, Mockito.times(1)).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);

        Assert.assertSame(conn, context.getAttribute(ExecutionContext.HTTP_CONNECTION));
        Assert.assertSame(request, context.getAttribute(ExecutionContext.HTTP_REQUEST));
        Assert.assertSame(response, context.getAttribute(ExecutionContext.HTTP_RESPONSE));
    }

    @Test
    public void testExecutionNoResponseBody() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("GET", "/");

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 204, "OK"));

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).flush();
        Mockito.verify(conn).receiveResponseHeader();
        Mockito.verify(conn, Mockito.never()).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);
    }

    @Test
    public void testExecutionHead() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("HEAD", "/");

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK"));

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).flush();
        Mockito.verify(conn).receiveResponseHeader();
        Mockito.verify(conn, Mockito.never()).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);
    }

    @Test
    public void testExecutionEntityEnclosingRequest() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest("POST", "/");
//        request.addHeader(HTTP.EXPECT_DIRECTIVE, HTTP.EXPECT_CONTINUE);
        HttpEntity entity = Mockito.mock(HttpEntity.class);
        request.setEntity(entity);

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK"));

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).sendRequestEntity(request);
        Mockito.verify(conn).flush();
        Mockito.verify(conn).receiveResponseHeader();
        Mockito.verify(conn).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);
    }

    @Test
    public void testExecutionEntityEnclosingRequestWithExpectContinueSuccess() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest("POST", "/");
        request.addHeader(HTTP.EXPECT_DIRECTIVE, HTTP.EXPECT_CONTINUE);
        HttpEntity entity = Mockito.mock(HttpEntity.class);
        request.setEntity(entity);

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 100, "Continue"),
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK"));
        Mockito.when(conn.isResponseAvailable(Mockito.anyInt())).thenReturn(true);

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).sendRequestEntity(request);
        Mockito.verify(conn, Mockito.times(2)).flush();
        Mockito.verify(conn).isResponseAvailable(2000);
        Mockito.verify(conn, Mockito.times(2)).receiveResponseHeader();
        Mockito.verify(conn).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);

        Assert.assertEquals(Boolean.TRUE, context.getAttribute(ExecutionContext.HTTP_REQ_SENT));
    }

    @Test
    public void testExecutionEntityEnclosingRequestWithExpectContinueFailure() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest("POST", "/");
        request.addHeader(HTTP.EXPECT_DIRECTIVE, HTTP.EXPECT_CONTINUE);
        HttpEntity entity = Mockito.mock(HttpEntity.class);
        request.setEntity(entity);

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 402, "OK"));
        Mockito.when(conn.isResponseAvailable(Mockito.anyInt())).thenReturn(true);

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn, Mockito.never()).sendRequestEntity(request);
        Mockito.verify(conn, Mockito.times(2)).flush();
        Mockito.verify(conn).isResponseAvailable(2000);
        Mockito.verify(conn).receiveResponseHeader();
        Mockito.verify(conn).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);
    }

    @Test
    public void testExecutionEntityEnclosingRequestUnsupportedIntermediateResponse() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest("POST", "/");
        request.addHeader(HTTP.EXPECT_DIRECTIVE, HTTP.EXPECT_CONTINUE);
        HttpEntity entity = Mockito.mock(HttpEntity.class);
        request.setEntity(entity);

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 101, "OK"));
        Mockito.when(conn.isResponseAvailable(Mockito.anyInt())).thenReturn(true);

        try {
            executor.execute(request, conn, context);
            Assert.fail("ProtocolException should have been thrown");
        } catch (ProtocolException ex) {
            Mockito.verify(conn).close();
            Assert.assertEquals(Boolean.FALSE, context.getAttribute(ExecutionContext.HTTP_REQ_SENT));
        }
    }

    @Test
    public void testExecutionEntityEnclosingRequestWithExpectContinueNoResponse() throws Exception {
        HttpProcessor httprocessor = Mockito.mock(HttpProcessor.class);
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest("POST", "/");
        request.addHeader(HTTP.EXPECT_DIRECTIVE, HTTP.EXPECT_CONTINUE);
        HttpEntity entity = Mockito.mock(HttpEntity.class);
        request.setEntity(entity);

        executor.preProcess(request, httprocessor, context);
        Mockito.verify(httprocessor).process(request, context);

        Mockito.when(conn.receiveResponseHeader()).thenReturn(
                new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK"));
        Mockito.when(conn.isResponseAvailable(Mockito.anyInt())).thenReturn(false);

        HttpResponse response = executor.execute(request, conn, context);
        Mockito.verify(conn).sendRequestHeader(request);
        Mockito.verify(conn).sendRequestEntity(request);
        Mockito.verify(conn, Mockito.times(2)).flush();
        Mockito.verify(conn).isResponseAvailable(2000);
        Mockito.verify(conn).receiveResponseHeader();
        Mockito.verify(conn).receiveResponseEntity(response);

        executor.postProcess(response, httprocessor, context);
        Mockito.verify(httprocessor).process(response, context);
    }

    @Test
    public void testExecutionIOException() throws Exception {
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("GET", "/");

        Mockito.doThrow(new IOException("Oopsie")).when(conn).sendRequestHeader(request);
        try {
            executor.execute(request, conn, context);
            Assert.fail("IOException should have been thrown");
        } catch (IOException ex) {
            Mockito.verify(conn).close();
            Assert.assertEquals(Boolean.FALSE, context.getAttribute(ExecutionContext.HTTP_REQ_SENT));
        }
    }

    @Test
    public void testExecutionRuntimeException() throws Exception {
        HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        HttpRequestExecutor executor = new HttpRequestExecutor();

        HttpContext context = new BasicHttpContext();
        HttpRequest request = new BasicHttpRequest("GET", "/");

        Mockito.doThrow(new RuntimeException("Oopsie")).when(conn).receiveResponseHeader();
        try {
            executor.execute(request, conn, context);
            Assert.fail("IOException should have been thrown");
        } catch (RuntimeException ex) {
            Mockito.verify(conn).close();
            Assert.assertEquals(Boolean.TRUE, context.getAttribute(ExecutionContext.HTTP_REQ_SENT));
        }
    }

}
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