test_util.cc

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/*
    Copyright (C) 2011 Paul Davis
    Copyright (C) 2011 Tim Mayberry

    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
    Software Foundation; either version 2 of the License, or (at your option)
    any later version.

    This program 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 General Public License
    for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <fstream>
#include <sstream>

#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>

#include "pbd/xml++.h"
#include "pbd/file_utils.h"

#include "ardour/session.h"
#include "ardour/audioengine.h"

#include "test_util.h"

#include <cppunit/extensions/HelperMacros.h>

using namespace std;
using namespace ARDOUR;
using namespace PBD;

static void
check_nodes (XMLNode const * p, XMLNode const * q, list<string> const & ignore_properties)
{
        CPPUNIT_ASSERT_EQUAL (q->is_content(), p->is_content());
        if (!p->is_content()) {
                CPPUNIT_ASSERT_EQUAL (q->name(), p->name());
        } else {
                CPPUNIT_ASSERT_EQUAL (q->content(), p->content());
        }

        XMLPropertyList const & pp = p->properties ();
        XMLPropertyList const & qp = q->properties ();
        CPPUNIT_ASSERT_EQUAL (qp.size(), pp.size());

        XMLPropertyList::const_iterator i = pp.begin ();
        XMLPropertyList::const_iterator j = qp.begin ();
        while (i != pp.end ()) {
                CPPUNIT_ASSERT_EQUAL ((*j)->name(), (*i)->name());
                if (find (ignore_properties.begin(), ignore_properties.end(), (*i)->name ()) == ignore_properties.end ()) {
                        CPPUNIT_ASSERT_EQUAL_MESSAGE ((*j)->name(), (*i)->value(), (*i)->value());
                }
                ++i;
                ++j;
        }

        XMLNodeList const & pc = p->children ();
        XMLNodeList const & qc = q->children ();

        CPPUNIT_ASSERT_EQUAL (qc.size(), pc.size());
        XMLNodeList::const_iterator k = pc.begin ();
        XMLNodeList::const_iterator l = qc.begin ();
        
        while (k != pc.end ()) {
                check_nodes (*k, *l, ignore_properties);
                ++k;
                ++l;
        }
}

void
check_xml (XMLNode* node, string ref_file, list<string> const & ignore_properties)
{
        XMLTree ref (ref_file);

        XMLNode* p = node;
        XMLNode* q = ref.root ();

        check_nodes (p, q, ignore_properties);
}

bool
write_ref (XMLNode* node, string ref_file)
{
        XMLTree ref;
        ref.set_root (node);
        bool rv = ref.write (ref_file);
        ref.set_root (0);
        return rv;
}

void
create_and_start_dummy_backend ()
{
        AudioEngine* engine = AudioEngine::create ();

        CPPUNIT_ASSERT (AudioEngine::instance ());
        CPPUNIT_ASSERT (engine);
        CPPUNIT_ASSERT (engine->set_backend ("Dummy", "", ""));

        init_post_engine ();

        CPPUNIT_ASSERT (engine->start () == 0);
}

void
stop_and_destroy_backend ()
{
        AudioEngine::instance()->remove_session ();
        AudioEngine::instance()->stop ();
        AudioEngine::destroy ();
}

Session *
load_session (string dir, string state)
{
        Session* session = new Session (*AudioEngine::instance(), dir, state);
        AudioEngine::instance ()->set_session (session);
        return session;
}

PBD::Searchpath
test_search_path ()
{
#ifdef PLATFORM_WINDOWS
        std::string wsp(g_win32_get_package_installation_directory_of_module(NULL));
        return Glib::build_filename (wsp, "ardour_testdata");
#else
        return Glib::getenv("ARDOUR_TEST_PATH");
#endif
}

std::string
new_test_output_dir (std::string prefix)
{
        return PBD::tmp_writable_directory (PACKAGE, prefix);
}

int
get_test_sample_rate ()
{
        return 44100;
}