libt2n: (gerd) small fixes, hello unit tests
[libt2n] / test / hello.cpp
diff --git a/test/hello.cpp b/test/hello.cpp
new file mode 100644 (file)
index 0000000..a0cc532
--- /dev/null
@@ -0,0 +1,412 @@
+/***************************************************************************
+ *   Copyright (C) 2004 by Intra2net AG                                    *
+ *   info@intra2net.com                                                    *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+
+#include <iostream>
+#include <string>
+#include <sstream>
+#include <stdexcept>
+
+#include <boost/bind.hpp>
+
+#include <cppunit/extensions/TestFactoryRegistry.h>
+#include <cppunit/ui/text/TestRunner.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <t2n_exception.hxx>
+#include <socket_client.hxx>
+#include <socket_server.hxx>
+#include <command_client.hxx>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+using namespace std;
+using namespace libt2n;
+using namespace CppUnit;
+
+// this is an evil hack to get access to real_write, don't ever do this in an app!!!
+class real_write_connection: public socket_server_connection
+{
+    public:
+        void real_write(const std::string& data)
+            { socket_write(data); }
+};
+
+class test_hello : public TestFixture
+{
+    CPPUNIT_TEST_SUITE(test_hello);
+
+    CPPUNIT_TEST(HelloOk);
+    CPPUNIT_TEST(BadTag);
+    CPPUNIT_TEST(BadVersion);
+    CPPUNIT_TEST(SeparatorMissing);
+    CPPUNIT_TEST(WrongByteOrder);
+    CPPUNIT_TEST(OtherServer);
+
+    CPPUNIT_TEST_SUITE_END();
+
+    public:
+
+    void setUp()
+    { }
+
+    void tearDown()
+    { }
+
+    void send_hello(string hello_string, socket_server* ss, int conn_id)
+    {
+        server_connection *sc=ss->get_connection(conn_id);
+        sc->write(hello_string);
+    }
+
+    void send_raw_socket(string hello_string, socket_server* ss, int conn_id)
+    {
+        socket_server_connection *ssc=dynamic_cast<socket_server_connection*>(ss->get_connection(conn_id));
+
+        // this is an evil hack to get access to real_write, don't ever do this in an app!!!
+        real_write_connection *rwc=(real_write_connection*)ssc;
+        rwc->real_write(hello_string);
+    }
+
+    void HelloOk()
+    {
+        pid_t pid;
+
+        switch(pid=fork())
+        {
+            case -1:
+            {
+                CPPUNIT_FAIL("fork error");
+                break;
+            }
+            case 0:
+            // child
+            {
+                socket_server ss("./socket");
+
+                ostringstream hello;
+                hello << "T2Nv" << PROTOCOL_VERSION << ';';
+                int byteordercheck=1;
+                hello.write((char*)&byteordercheck,sizeof(byteordercheck));
+                hello << ';';
+
+                ss.add_callback(new_connection,bind(&test_hello::send_hello, boost::ref(*this), hello.str(),&ss, _1));
+
+                // max 10 sec
+                for (int i=0; i < 10; i++)
+                    ss.fill_buffer(1000000);
+                // don't call atexit and stuff
+                _exit(0);
+            }
+
+            default:
+            // parent
+            {
+                string data;
+
+                // wait till server is up
+                sleep(1);
+                socket_client_connection sc("./socket");
+                command_client cc(sc);
+            }
+        }
+    }
+
+    void BadTag()
+    {
+        pid_t pid;
+
+        switch(pid=fork())
+        {
+            case -1:
+            {
+                CPPUNIT_FAIL("fork error");
+                break;
+            }
+            case 0:
+            // child
+            {
+                socket_server ss("./socket");
+
+                ostringstream hello;
+                hello << "XYZ 123";
+
+                ss.add_callback(new_connection,bind(&test_hello::send_hello, boost::ref(*this), hello.str(),&ss, _1));
+
+                // max 10 sec
+                for (int i=0; i < 10; i++)
+                    ss.fill_buffer(1000000);
+                // don't call atexit and stuff
+                _exit(0);
+            }
+
+            default:
+            // parent
+            {
+                string data;
+
+                // wait till server is up
+                sleep(1);
+                socket_client_connection sc("./socket");
+
+                string errormsg;
+
+                try
+                {
+                    command_client cc(sc);
+                }
+                catch(t2n_version_mismatch &e)
+                { errormsg=e.what(); }
+                catch(...)
+                { throw; }
+
+                CPPUNIT_ASSERT_EQUAL(string("illegal hello received (T2N)"),errormsg);
+            }
+        }
+    }
+
+    void BadVersion()
+    {
+        pid_t pid;
+
+        switch(pid=fork())
+        {
+            case -1:
+            {
+                CPPUNIT_FAIL("fork error");
+                break;
+            }
+            case 0:
+            // child
+            {
+                socket_server ss("./socket");
+
+                ostringstream hello;
+                // lets hope we don't ever get near such a version number...
+                hello << "T2Nv" << 4982271 << ';';
+                int byteordercheck=1;
+                hello.write((char*)&byteordercheck,sizeof(byteordercheck));
+                hello << ';';
+
+                ss.add_callback(new_connection,bind(&test_hello::send_hello, boost::ref(*this), hello.str(),&ss, _1));
+
+                // max 10 sec
+                for (int i=0; i < 10; i++)
+                    ss.fill_buffer(1000000);
+                // don't call atexit and stuff
+                _exit(0);
+            }
+
+            default:
+            // parent
+            {
+                string data;
+
+                // wait till server is up
+                sleep(1);
+                socket_client_connection sc("./socket");
+
+                string errormsg;
+
+                try
+                {
+                    command_client cc(sc);
+                }
+                catch(t2n_version_mismatch &e)
+                { errormsg=e.what(); }
+                catch(...)
+                { throw; }
+
+                CPPUNIT_ASSERT_EQUAL(string("not compatible with the server protocol version"),errormsg);
+            }
+        }
+    }
+
+    void SeparatorMissing()
+    {
+        pid_t pid;
+
+        switch(pid=fork())
+        {
+            case -1:
+            {
+                CPPUNIT_FAIL("fork error");
+                break;
+            }
+            case 0:
+            // child
+            {
+                socket_server ss("./socket");
+
+                ostringstream hello;
+                hello << "T2Nv" << PROTOCOL_VERSION;
+                int byteordercheck=1;
+                hello.write((char*)&byteordercheck,sizeof(byteordercheck));
+                hello << ';';
+
+                ss.add_callback(new_connection,bind(&test_hello::send_hello, boost::ref(*this), hello.str(),&ss, _1));
+
+                // max 10 sec
+                for (int i=0; i < 10; i++)
+                    ss.fill_buffer(1000000);
+                // don't call atexit and stuff
+                _exit(0);
+            }
+
+            default:
+            // parent
+            {
+                string data;
+
+                // wait till server is up
+                sleep(1);
+                socket_client_connection sc("./socket");
+
+                string errormsg;
+
+                try
+                {
+                    command_client cc(sc);
+                }
+                catch(t2n_version_mismatch &e)
+                { errormsg=e.what(); }
+                catch(...)
+                { throw; }
+
+                CPPUNIT_ASSERT_EQUAL(string("illegal hello received (1. ;)"),errormsg);
+            }
+        }
+    }
+
+    void WrongByteOrder()
+    {
+        pid_t pid;
+
+        switch(pid=fork())
+        {
+            case -1:
+            {
+                CPPUNIT_FAIL("fork error");
+                break;
+            }
+            case 0:
+            // child
+            {
+                socket_server ss("./socket");
+
+                ostringstream hello;
+                hello << "T2Nv" << PROTOCOL_VERSION << ';';
+                int byteordercheck=1;
+                int dst;
+                char* si=(char*)&byteordercheck;
+                char* di=(char*)&dst;
+
+                di[0]=si[3];
+                di[1]=si[2];
+                di[2]=si[1];
+                di[3]=si[0];
+
+                hello.write((char*)&dst,sizeof(dst));
+                hello << ';';
+
+                ss.add_callback(new_connection,bind(&test_hello::send_hello, boost::ref(*this), hello.str(),&ss, _1));
+
+                // max 10 sec
+                for (int i=0; i < 10; i++)
+                    ss.fill_buffer(1000000);
+                // don't call atexit and stuff
+                _exit(0);
+            }
+
+            default:
+            // parent
+            {
+                string data;
+
+                // wait till server is up
+                sleep(1);
+                socket_client_connection sc("./socket");
+
+                string errormsg;
+
+                try
+                {
+                    command_client cc(sc);
+                }
+                catch(t2n_version_mismatch &e)
+                { errormsg=e.what(); }
+                catch(...)
+                { throw; }
+
+                CPPUNIT_ASSERT_EQUAL(string("host byte order not matching"),errormsg);
+            }
+        }
+    }
+
+    void OtherServer()
+    {
+        pid_t pid;
+
+        switch(pid=fork())
+        {
+            case -1:
+            {
+                CPPUNIT_FAIL("fork error");
+                break;
+            }
+            case 0:
+            // child
+            {
+                socket_server ss("./socket");
+
+                ostringstream hello;
+                // hmm, we got the wrong socket
+                hello << "* OK intradev.net.lan Cyrus IMAP4 v2.2.13 server ready";
+
+                ss.add_callback(new_connection,bind(&test_hello::send_raw_socket, boost::ref(*this), hello.str(),&ss, _1));
+
+                // max 3 sec
+                for (int i=0; i < 3; i++)
+                    ss.fill_buffer(1000000);
+                // don't call atexit and stuff
+                _exit(0);
+            }
+
+            default:
+            // parent
+            {
+                string data;
+
+                // wait till server is up
+                sleep(1);
+                socket_client_connection sc("./socket");
+
+                string errormsg;
+
+                try
+                {
+                    command_client cc(sc);
+                }
+                catch(t2n_version_mismatch &e)
+                { errormsg=e.what(); }
+                catch(...)
+                { throw; }
+
+                CPPUNIT_ASSERT_EQUAL(string("illegal hello received (T2N)"),errormsg);
+            }
+        }
+    }
+
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(test_hello);