Add test for QProxyHandler.

tests/TestQProxyHandler.cpp

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2015 Nathan Osman
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <QHostAddress>
+#include <QObject>
+#include <QTest>
+
+#include <QHttpEngine/QHttpServer>
+#include <QHttpEngine/QHttpSocket>
+#include <QHttpEngine/QObjectHandler>
+#include <QHttpEngine/QProxyHandler>
+
+#include "common/qsimplehttpclient.h"
+#include "common/qsocketpair.h"
+
+const QString Path = "test";
+const QByteArray Data = "test";
+
+class TestQProxyHandler : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void testDataPassthrough();
+};
+
+void TestQProxyHandler::testDataPassthrough()
+{
+    // Create the upstream handler (simple echo)
+    QObjectHandler upstreamHandler;
+    upstreamHandler.registerMethod(Path, [](QHttpSocket *socket) {
+        socket->write(socket->readAll());
+        socket->close();
+    }, true);
+
+    // Create the upstream server and begin listening
+    QHttpServer upstreamServer(&upstreamHandler);
+    QVERIFY(upstreamServer.listen(QHostAddress::LocalHost));
+
+    // Create the proxy handler
+    QProxyHandler handler(upstreamServer.serverAddress(), upstreamServer.serverPort());
+
+    QSocketPair pair;
+    QTRY_VERIFY(pair.isConnected());
+
+    QSimpleHttpClient client(pair.client());
+    QHttpSocket socket(pair.server(), &pair);
+
+    // Send the headers and wait for them to be parsed
+    QHttpSocket::HeaderMap headers{
+        {"Content-Length", QByteArray::number(Data.length())}
+    };
+    client.sendHeaders("POST", QString("/%1").arg(Path).toUtf8(), headers);
+    QTRY_VERIFY(socket.isHeadersParsed());
+
+    // Route the request (triggering the upstream connection)
+    handler.route(&socket, Path);
+
+    // Send the data and wait for it to return
+    client.sendData(Data);
+    QTRY_COMPARE(client.data(), Data);
+}
+
+QTEST_MAIN(TestQProxyHandler)
+#include "TestQProxyHandler.moc"