/*
 * Copyright (c) 2007, Michael Feathers, James Grenning and Bas Vodde
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE EARLIER MENTIONED AUTHORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "CppUTest/TestHarness.h"
#include "CppUTest/CommandLineTestRunner.h"
#include "CppUTest/TestOutput.h"
#include "CppUTest/JUnitTestOutput.h"
#include "CppUTest/PlatformSpecificFunctions.h"
#include "CppUTest/TeamCityTestOutput.h"
#include "CppUTest/TestRegistry.h"

int CommandLineTestRunner::RunAllTests(int ac, char** av)
{
    return RunAllTests(ac, (const char *const *) av);
}

int CommandLineTestRunner::RunAllTests(int ac, const char *const *av)
{
    int result = 0;
    ConsoleTestOutput backupOutput;

    MemoryLeakWarningPlugin memLeakWarn(DEF_PLUGIN_MEM_LEAK);
    memLeakWarn.destroyGlobalDetectorAndTurnOffMemoryLeakDetectionInDestructor(true);
    TestRegistry::getCurrentRegistry()->installPlugin(&memLeakWarn);

    {
        CommandLineTestRunner runner(ac, av, TestRegistry::getCurrentRegistry());
        result = runner.runAllTestsMain();
    }

    if (result == 0) {
        backupOutput << memLeakWarn.FinalReport(0);
    }
    TestRegistry::getCurrentRegistry()->removePluginByName(DEF_PLUGIN_MEM_LEAK);
    return result;
}

CommandLineTestRunner::CommandLineTestRunner(int ac, const char *const *av, TestRegistry* registry) :
    output_(NULLPTR), arguments_(NULLPTR), registry_(registry)
{
    arguments_ = new CommandLineArguments(ac, av);
}

CommandLineTestRunner::~CommandLineTestRunner()
{
    delete arguments_;
    delete output_;
}

int CommandLineTestRunner::runAllTestsMain()
{
    int testResult = 1;

    SetPointerPlugin pPlugin(DEF_PLUGIN_SET_POINTER);
    registry_->installPlugin(&pPlugin);

    if (parseArguments(registry_->getFirstPlugin()))
        testResult = runAllTests();

    registry_->removePluginByName(DEF_PLUGIN_SET_POINTER);
    return testResult;
}

void CommandLineTestRunner::initializeTestRun()
{
    registry_->setGroupFilters(arguments_->getGroupFilters());
    registry_->setNameFilters(arguments_->getNameFilters());

    if (arguments_->isVerbose()) output_->verbose(TestOutput::level_verbose);
    if (arguments_->isVeryVerbose()) output_->verbose(TestOutput::level_veryVerbose);
    if (arguments_->isColor()) output_->color();
    if (arguments_->runTestsInSeperateProcess()) registry_->setRunTestsInSeperateProcess();
    if (arguments_->isRunIgnored()) registry_->setRunIgnored();
    if (arguments_->isCrashingOnFail()) UtestShell::setCrashOnFail();
}

int CommandLineTestRunner::runAllTests()
{
    initializeTestRun();
    size_t loopCount = 0;
    size_t failedTestCount = 0;
    size_t failedExecutionCount = 0;
    size_t repeatCount = arguments_->getRepeatCount();

    if (arguments_->isListingTestGroupNames())
    {
        TestResult tr(*output_);
        registry_->listTestGroupNames(tr);
        return 0;
    }

    if (arguments_->isListingTestGroupAndCaseNames())
    {
        TestResult tr(*output_);
        registry_->listTestGroupAndCaseNames(tr);
        return 0;
    }

    if (arguments_->isListingTestLocations())
    {
        TestResult tr(*output_);
        registry_->listTestLocations(tr);
        return 0;
    }

    if (arguments_->isReversing())
        registry_->reverseTests();

    if (arguments_->isShuffling())
    {
        output_->print("Test order shuffling enabled with seed: ");
        output_->print(arguments_->getShuffleSeed());
        output_->print("\n");
    }
    while (loopCount++ < repeatCount) {

        if (arguments_->isShuffling())
            registry_->shuffleTests(arguments_->getShuffleSeed());

        output_->printTestRun(loopCount, repeatCount);
        TestResult tr(*output_);
        registry_->runAllTests(tr);
        failedTestCount += tr.getFailureCount();
        if (tr.isFailure()) {
            failedExecutionCount++;
        }
    }
    return (int) (failedTestCount != 0 ? failedTestCount : failedExecutionCount);
}

TestOutput* CommandLineTestRunner::createTeamCityOutput()
{
    return new TeamCityTestOutput;
}

TestOutput* CommandLineTestRunner::createJUnitOutput(const SimpleString& packageName)
{
    JUnitTestOutput* junitOutput = new JUnitTestOutput;
    if (junitOutput != NULLPTR) {
      junitOutput->setPackageName(packageName);
    }
    return junitOutput;
}

TestOutput* CommandLineTestRunner::createConsoleOutput()
{
    return new ConsoleTestOutput;
}

TestOutput* CommandLineTestRunner::createCompositeOutput(TestOutput* outputOne, TestOutput* outputTwo)
{
  CompositeTestOutput* composite = new CompositeTestOutput;
  composite->setOutputOne(outputOne);
  composite->setOutputTwo(outputTwo);
  return composite;
}

bool CommandLineTestRunner::parseArguments(TestPlugin* plugin)
{
  if (!arguments_->parse(plugin)) {
    output_ = createConsoleOutput();
    output_->print((arguments_->needHelp()) ? arguments_->help() : arguments_->usage());
    return false;
  }

  if (arguments_->isJUnitOutput()) {
    output_= createJUnitOutput(arguments_->getPackageName());
    if (arguments_->isVerbose())
      output_ = createCompositeOutput(output_, createConsoleOutput());
  } else if (arguments_->isTeamCityOutput()) {
    output_ = createTeamCityOutput();
  } else
    output_ = createConsoleOutput();
  return true;
}