//  (C) Copyright Gennadiy Rozental 2001-2015.
//  Distributed under the Boost Software License, Version 1.0.
//  (See accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/test for the library home page.
//
//  File        : $RCSfile$
//
//  Version     : $Revision$
//
//  Description : tests Unit Test Framework reporting facilities against
//  pattern file
// ***************************************************************************

// Boost.Test
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <boost/test/results_reporter.hpp>
#include <boost/test/tools/output_test_stream.hpp>
#include <boost/test/unit_test_log.hpp>
#include <boost/test/unit_test_suite.hpp>
#include <boost/test/framework.hpp>
#include <boost/test/unit_test_parameters.hpp>
#include <boost/test/utils/nullstream.hpp>
typedef boost::onullstream onullstream_type;

// BOOST
#include <boost/lexical_cast.hpp>

// STL
#include <iostream>

using boost::test_tools::output_test_stream;
using namespace boost::unit_test;

//____________________________________________________________________________//

void good_foo() {}

void almost_good_foo() { BOOST_TEST_WARN( 2>3 ); }

void bad_foo()  {
    onullstream_type null_out;
    unit_test_log.set_stream( null_out );
    BOOST_ERROR( "" );
    unit_test_log.set_stream( std::cout );
}
void bad_foo2() { bad_foo(); } // preventing clashing names
struct log_guard {
    ~log_guard()
    {
        unit_test_log.set_stream( std::cout );
    }
};

void very_bad_foo()  {
    log_guard lg;
    ut_detail::ignore_unused_variable_warning( lg );
    onullstream_type null_out;
    unit_test_log.set_stream( null_out );
    BOOST_FAIL( "" );
}

//____________________________________________________________________________//

void check( output_test_stream& output, output_format report_format, test_unit_id id )
{
    results_reporter::set_format( report_format );

    results_reporter::confirmation_report( id );
    output << "*************************************************************************\n";
    BOOST_TEST( output.match_pattern() );

    results_reporter::short_report( id );
    output << "*************************************************************************\n";
    BOOST_TEST( output.match_pattern() );

    results_reporter::detailed_report( id );
    output << "*************************************************************************\n";
    BOOST_TEST( output.match_pattern() );
}

//____________________________________________________________________________//

void check( output_test_stream& output, test_suite* ts )
{
    ts->p_default_status.value = test_unit::RS_ENABLED;

    results_reporter::set_level( NO_REPORT );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );

    check( output, OF_CLF, ts->p_id );
    check( output, OF_XML, ts->p_id );
}

//____________________________________________________________________________//

struct guard {
    ~guard()
    {
        results_reporter::set_stream( std::cerr );
        results_reporter::set_format( runtime_config::get<output_format>(
            runtime_config::btrt_report_format ) );
        results_reporter::set_level( NO_REPORT );
    }
};

//____________________________________________________________________________//

BOOST_AUTO_TEST_CASE( test_result_reports )
{
    guard G;
    ut_detail::ignore_unused_variable_warning( G );

#define PATTERN_FILE_NAME "result_report_test.pattern"

    std::string pattern_file_name(
        framework::master_test_suite().argc == 1
            ? (runtime_config::save_pattern() ? PATTERN_FILE_NAME : "./baseline-outputs/" PATTERN_FILE_NAME )
            : framework::master_test_suite().argv[1] );

    output_test_stream test_output( pattern_file_name, !runtime_config::save_pattern() );
    results_reporter::set_stream( test_output );

    test_suite* ts_0 = BOOST_TEST_SUITE( "0 test cases inside" );

    test_suite* ts_1 = BOOST_TEST_SUITE( "1 test cases inside" );
        ts_1->add( BOOST_TEST_CASE( good_foo ) );

    test_suite* ts_1b = BOOST_TEST_SUITE( "1 bad test case inside" );
        ts_1b->add( BOOST_TEST_CASE( bad_foo ), 1 );

    test_suite* ts_1c = BOOST_TEST_SUITE( "1 almost good test case inside" );
        ts_1c->add( BOOST_TEST_CASE( almost_good_foo ) );

    test_suite* ts_2 = BOOST_TEST_SUITE( "2 test cases inside" );
        ts_2->add( BOOST_TEST_CASE( good_foo ) );
        ts_2->add( BOOST_TEST_CASE( bad_foo ), 1 );

    test_suite* ts_3 = BOOST_TEST_SUITE( "3 test cases inside" );
        ts_3->add( BOOST_TEST_CASE( bad_foo ) );
        test_case* tc1 = BOOST_TEST_CASE( very_bad_foo );
        ts_3->add( tc1 );
        test_case* tc2 = BOOST_TEST_CASE( bad_foo2 );
        ts_3->add( tc2 );
        tc2->depends_on( tc1 );

    test_suite* ts_main = BOOST_TEST_SUITE( "Fake Test Suite Hierarchy" );
        ts_main->add( ts_0 );
        ts_main->add( ts_1 );
        ts_main->add( ts_2 );
        ts_main->add( ts_3 );

    test_suite* ts_char_escaping = BOOST_TEST_SUITE( "Char escaping" );
        ts_char_escaping->add( BOOST_TEST_CASE( good_foo ) );
        test_case * i_have_problems = BOOST_TEST_CASE( bad_foo );
        i_have_problems->p_name.set("bad_foo<h>");
        ts_char_escaping->add( i_have_problems );

    check( test_output, ts_1 );

    check( test_output, ts_1b );

    check( test_output, ts_1c );

    check( test_output, ts_2 );

    check( test_output, ts_3 );
    ts_1->add( BOOST_TEST_CASE( bad_foo ) );
    ts_3->depends_on( ts_1 );

    check( test_output, ts_main );

    check( test_output, ts_char_escaping );

    results_reporter::set_stream( std::cout );
}

//____________________________________________________________________________//


void check2( output_test_stream& output, output_format report_format, test_unit_id id )
{
    results_reporter::set_format( report_format );

    results_reporter::confirmation_report( id );
    output << "*************************************************************************\n";
    BOOST_TEST( output.match_pattern() );

    results_reporter::short_report( id );
    output << "*************************************************************************\n";
    BOOST_TEST( output.match_pattern() );

    results_reporter::detailed_report( id );
    output << "*************************************************************************\n";
    BOOST_TEST( output.match_pattern() );
}

//____________________________________________________________________________//

void check2( output_test_stream& output, test_suite* ts )
{
    ts->p_default_status.value = test_unit::RS_ENABLED;

    output << "\n* NO_REPORT *********************************************************************\n";
    results_reporter::set_level( NO_REPORT );
    results_reporter::set_format( OF_CLF );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    output << "\n* CONFIRMATION_REPORT ***********************************************************\n";
    results_reporter::set_level( CONFIRMATION_REPORT );
    results_reporter::set_format( OF_CLF );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    output << "\n* SHORT_REPORT ******************************************************************\n";
    results_reporter::set_level( SHORT_REPORT );
    results_reporter::set_format( OF_CLF );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    output << "\n* DETAILED_REPORT ***************************************************************\n";
    results_reporter::set_level( DETAILED_REPORT );
    results_reporter::set_format( OF_CLF );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    // XML
    output << "\n* NO_REPORT *********************************************************************\n";
    results_reporter::set_level( NO_REPORT );
    results_reporter::set_format( OF_XML );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    output << "\n* CONFIRMATION_REPORT ***********************************************************\n";
    results_reporter::set_level( CONFIRMATION_REPORT );
    results_reporter::set_format( OF_XML );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    output << "\n* SHORT_REPORT ******************************************************************\n";
    results_reporter::set_level( SHORT_REPORT );
    results_reporter::set_format( OF_XML );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

    output << "\n* DETAILED_REPORT ***************************************************************\n";
    results_reporter::set_level( DETAILED_REPORT );
    results_reporter::set_format( OF_XML );
    framework::finalize_setup_phase( ts->p_id );
    framework::run( ts );
    BOOST_TEST( output.match_pattern() );

}

BOOST_AUTO_TEST_CASE( test_result_reports_default_behaviour )
{
    guard G;
    ut_detail::ignore_unused_variable_warning( G );

#define PATTERN_FILE_NAME_DEFAULT_BEHAVIOUR "result_report_test.pattern.default_behaviour"

    std::string pattern_file_name(
        framework::master_test_suite().argc <= 2
            ? (runtime_config::save_pattern() ? PATTERN_FILE_NAME_DEFAULT_BEHAVIOUR : "./baseline-outputs/" PATTERN_FILE_NAME_DEFAULT_BEHAVIOUR )
            : framework::master_test_suite().argv[2] );

    output_test_stream test_output( pattern_file_name, !runtime_config::save_pattern() );
    results_reporter::set_stream( test_output );

    test_suite* ts_0 = BOOST_TEST_SUITE( "0 test cases inside" );

    test_suite* ts_1 = BOOST_TEST_SUITE( "1 test cases inside" );
        ts_1->add( BOOST_TEST_CASE( good_foo ) );

    test_suite* ts_1b = BOOST_TEST_SUITE( "1 bad test case inside" );
        ts_1b->add( BOOST_TEST_CASE( bad_foo ), 1 );

    test_suite* ts_1c = BOOST_TEST_SUITE( "1 almost good test case inside" );
        ts_1c->add( BOOST_TEST_CASE( almost_good_foo ) );

    test_suite* ts_2 = BOOST_TEST_SUITE( "2 test cases inside" );
        ts_2->add( BOOST_TEST_CASE( good_foo ) );
        ts_2->add( BOOST_TEST_CASE( bad_foo ), 1 );

    test_suite* ts_3 = BOOST_TEST_SUITE( "3 test cases inside" );
        ts_3->add( BOOST_TEST_CASE( bad_foo ) );
        test_case* tc1 = BOOST_TEST_CASE( very_bad_foo );
        ts_3->add( tc1 );
        test_case* tc2 = BOOST_TEST_CASE( bad_foo2 );
        ts_3->add( tc2 );
        tc2->depends_on( tc1 );

    test_suite* ts_main = BOOST_TEST_SUITE( "Fake Test Suite Hierarchy" );
        ts_main->add( ts_0 );
        ts_main->add( ts_1 );
        ts_main->add( ts_2 );
        ts_main->add( ts_3 );

    test_suite* ts_char_escaping = BOOST_TEST_SUITE( "Char escaping" );
        ts_char_escaping->add( BOOST_TEST_CASE( good_foo ) );
        test_case * i_have_problems = BOOST_TEST_CASE( bad_foo );
        i_have_problems->p_name.set("bad_foo<h>");
        ts_char_escaping->add( i_have_problems );

    check2( test_output, ts_1 );

    check2( test_output, ts_1b );

    check2( test_output, ts_1c );

    check2( test_output, ts_2 );

    check2( test_output, ts_3 );
    ts_1->add( BOOST_TEST_CASE( bad_foo ) );
    ts_3->depends_on( ts_1 );

    check2( test_output, ts_main );

    check2( test_output, ts_char_escaping );

    results_reporter::set_stream( std::cout );
}

// EOF
