// -*- mode: c++; c-basic-offset:4 -*-

// This file is part of libdap, A C++ implementation of the OPeNDAP Data

// Access Protocol.

// Copyright (c) 2013 OPeNDAP, Inc.

// Author: Nathan David Potter <ndp@opendap.org>

//

// This library is free software; you can redistribute it and/or

// modify it under the terms of the GNU Lesser General Public

// License as published by the Free Software Foundation; either

// version 2.1 of the License, or (at your option) any later version.

//

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

// Lesser General Public License for more details.

//

// You should have received a copy of the GNU Lesser General Public

// License along with this library; if not, write to the Free Software

// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

//

// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

//#include <cstdio>

#include <pthread.h>

#include <cppunit/TextTestRunner.h>

#include <cppunit/extensions/TestFactoryRegistry.h>

#include <cppunit/extensions/HelperMacros.h>

#include "debug.h"

#include "util.h"

#include "GetOpt.h"

#include "BaseType.h"

#include "Str.h"

#include "DDS.h"

#include "ServerFunction.h"

#include "ServerFunctionsList.h"

using namespace CppUnit;

static bool debug = false;

#undef DBG

#define DBG(x) do { if (debug) (x); } while(false);

void sflut(int, libdap::BaseType *[], libdap::DDS &, libdap::BaseType **btpp)

{

    string info = string("\n") + "<function name=\"ugr4\" version=\"0.1\">\n"

        + "ServeFunctionsList Unit Test.\n" + "usage: sflut()" + "\n" + "</function>";

    libdap::Str *response = new libdap::Str("info");

    response->set_value(info);

    *btpp = response;

    return;

}

class SFLUT: public libdap::ServerFunction {

public:

    SFLUT()

    {

        setName("sflut");

        setDescriptionString("This is a unit test to test the ServerFunctionList class.");

        setUsageString("sflut()");

        setRole("http://services.opendap.org/dap4/unit-tests/ServerFunctionList");

        setDocUrl("http://docs.opendap.org/index.php/unit-tests");

        setFunction(sflut);

        setVersion("1.0");

    }

};

namespace libdap {

class ServerFunctionsListUnitTest: public CppUnit::TestFixture {

public:

    // Called once before everything gets tested

    ServerFunctionsListUnitTest()

    {

        //    DBG(cerr << " BindTest - Constructor" << endl);

    }

    // Called at the end of the test

    ~ServerFunctionsListUnitTest()

    {

        //    DBG(cerr << " BindTest - Destructor" << endl);

    }

    // Called before each test

    void setup()

    {

        //    DBG(cerr << " BindTest - setup()" << endl);

    }

    // Called after each test

    void tearDown()

    {

        //    DBG(cerr << " tearDown()" << endl);

    }

    CPPUNIT_TEST_SUITE (libdap::ServerFunctionsListUnitTest);

    CPPUNIT_TEST (sflut_test);

    //CPPUNIT_TEST(always_pass);

    CPPUNIT_TEST_SUITE_END();

    void printFunctionNames()

    {

        vector<string> *names = new vector<string>();

        printFunctionNames(names);

        delete names;

    }

    void printFunctionNames(vector<string> *names)

    {

        DBG(

            cerr << "Server_Function_List_Unit_Test::printFunctionNames() - ServerFunctionList::getFunctionNames(): "

                << endl);

        if (names->empty()) {

            DBG(cerr << "     Function list is empty." << endl);

            return;

        }

        for (size_t i = 0; i < names->size(); i++) {

            DBG(cerr << "   name[" << i << "]: " << (*names)[i] << endl);

        }

    }

    void always_pass()

    {

        CPPUNIT_ASSERT(true);

    }

    void sflut_test()

    {

        DBG(cerr << endl);

        SFLUT *ssf = new SFLUT();

        ssf->setName("Server_Function_List_Unit_Test");

        vector<string> names;

        libdap::ServerFunctionsList::TheList()->getFunctionNames(&names);

        printFunctionNames(&names);

        CPPUNIT_ASSERT(names.size() == 0);

        DBG(cerr << "ServerFunctionsListUnitTest::sflut_test() - Adding function(): " << ssf->getName() << endl);

        libdap::ServerFunctionsList::TheList()->add_function(ssf);

        names.clear();

        libdap::ServerFunctionsList::TheList()->getFunctionNames(&names);

        printFunctionNames(&names);

        CPPUNIT_ASSERT(names.size() == 1);

#if 0

        DBG(cerr << "ServerFunctionsListUnitTest::sflut_test() - Deleting the List." << endl);

        libdap::ServerFunctionsList::delete_instance();

        // This is needed because we used pthread_once to ensure that

        // initialize_instance() is called at most once. We manually call

        // the delete method, so the object must be remade. This would never

        // be done by non-test code. jhrg 5/2/13

        libdap::ServerFunctionsList::initialize_instance();

        names.clear();

        libdap::ServerFunctionsList::TheList()->getFunctionNames(&names);

        printFunctionNames(&names);

        CPPUNIT_ASSERT(names.size()==0);

#endif

    }

};

} // libdap namespace

// BindTest

CPPUNIT_TEST_SUITE_REGISTRATION (libdap::ServerFunctionsListUnitTest);

int main(int argc, char*argv[])

{

    GetOpt getopt(argc, argv, "dh");

    int option_char;

    while ((option_char = getopt()) != -1)

        switch (option_char) {

        case 'd':

            debug = 1;  // debug is a static global

            break;

        case 'h': {     // help - show test names

            cerr << "Usage: ServerFunctionsListUnitTest has the following tests:" << endl;

            const std::vector<Test*> &tests = libdap::ServerFunctionsListUnitTest::suite()->getTests();

            unsigned int prefix_len = libdap::ServerFunctionsListUnitTest::suite()->getName().append("::").length();

            for (std::vector<Test*>::const_iterator i = tests.begin(), e = tests.end(); i != e; ++i) {

                cerr << (*i)->getName().replace(0, prefix_len, "") << endl;

            }

            break;

        }

        default:

            break;

        }

    CppUnit::TextTestRunner runner;

    runner.addTest(CppUnit::TestFactoryRegistry::getRegistry().makeTest());

    bool wasSuccessful = true;

    string test = "";

    int i = getopt.optind;

    if (i == argc) {

        // run them all

        wasSuccessful = runner.run("");

    }

    else {

        for (; i < argc; ++i) {

            if (debug) cerr << "Running " << argv[i] << endl;

            test = libdap::ServerFunctionsListUnitTest::suite()->getName().append("::").append(argv[i]);

            wasSuccessful = wasSuccessful && runner.run(test);

        }

    }

    return wasSuccessful ? 0 : 1;

}