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/**
 * @file llviewerhelputil_test.cpp
 * @brief LLViewerHelpUtil tests
 * @author Tofu Linden
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * 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;
 * version 2.1 of the License only.
 *
 * 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
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */
// Precompiled header
#include "../llviewerprecompiledheaders.h"

#include "../test/lltut.h"

#include "../llviewerhelputil.h"
#include "../llweb.h"
#include "llcontrol.h"

#include <iostream>

// values for all of the supported substitutions parameters
static std::string gHelpURL;
static std::string gVersion;
static std::string gChannel;
static std::string gLanguage;
static std::string gGrid;
static std::string gOS;

//----------------------------------------------------------------------------
// Mock objects for the dependencies of the code we're testing

LLControlGroup::LLControlGroup(const std::string& name)
    : LLInstanceTracker<LLControlGroup, std::string>(name) {}
LLControlGroup::~LLControlGroup() {}
LLControlVariable* LLControlGroup::declareString(const std::string& name,
                   const std::string& initial_val,
                   const std::string& comment,
                   LLControlVariable::ePersist persist) {return NULL;}
void LLControlGroup::setString(std::string_view name, const std::string& val){}
std::string LLControlGroup::getString(std::string_view name)
{
    if (name == "HelpURLFormat")
        return gHelpURL;
    return "";
}
LLControlGroup gSavedSettings("test");

static void substitute_string(std::string &input, const std::string &search, const std::string &replace)
{
    size_t pos = input.find(search);
    while (pos != std::string::npos)
    {
        input = input.replace(pos, search.size(), replace);
        pos = input.find(search);
    }
}

#include "../llagent.h"
LLAgent::LLAgent() : mAgentAccess(NULL) { }
LLAgent::~LLAgent() { }
bool LLAgent::isGodlike() const { return false; }

LLAgent gAgent;

std::string LLWeb::expandURLSubstitutions(const std::string &url,
                                          const LLSD &default_subs)
{
    (void)gAgent.isGodlike(); // ref symbol to stop compiler from stripping it
    std::string new_url = url;
    substitute_string(new_url, "[TOPIC]", default_subs["TOPIC"].asString());
    substitute_string(new_url, "[VERSION]", gVersion);
    substitute_string(new_url, "[CHANNEL]", gChannel);
    substitute_string(new_url, "[LANGUAGE]", gLanguage);
    substitute_string(new_url, "[GRID]", gGrid);
    substitute_string(new_url, "[OS]", gOS);
    return new_url;
}


//----------------------------------------------------------------------------

namespace tut
{
    struct viewerhelputil
    {
    };

    typedef test_group<viewerhelputil> viewerhelputil_t;
    typedef viewerhelputil_t::object viewerhelputil_object_t;
    tut::viewerhelputil_t tut_viewerhelputil("LLViewerHelpUtil");

    template<> template<>
    void viewerhelputil_object_t::test<1>()
    {
        std::string topic("test_topic");
        std::string subresult;

        gHelpURL = "fooformat";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("no substitution tags", subresult, "fooformat");

        gHelpURL = "";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("blank substitution format", subresult, "");

        gHelpURL = "[TOPIC]";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("topic name", subresult, "test_topic");

        gHelpURL = "[LANGUAGE]";
        gLanguage = "";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("simple substitution with blank", subresult, "");

        gHelpURL = "[LANGUAGE]";
        gLanguage = "Esperanto";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("simple substitution", subresult, "Esperanto");

        gHelpURL = "http://secondlife.com/[LANGUAGE]";
        gLanguage = "Gaelic";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("simple substitution with url", subresult, "http://secondlife.com/Gaelic");

        gHelpURL = "[XXX]";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("unknown substitution", subresult, "[XXX]");

        gHelpURL = "[LANGUAGE]/[LANGUAGE]";
        gLanguage = "Esperanto";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("multiple substitution", subresult, "Esperanto/Esperanto");

        gHelpURL = "http://[CHANNEL]/[VERSION]/[LANGUAGE]/[OS]/[GRID]/[XXX]";
        gChannel = "Second Life Test";
        gVersion = "2.0";
        gLanguage = "gaelic";
        gOS = "AmigaOS 2.1";
        gGrid = "mysim";
        subresult = LLViewerHelpUtil::buildHelpURL(topic);
        ensure_equals("complex substitution", subresult, "http://Second Life Test/2.0/gaelic/AmigaOS 2.1/mysim/[XXX]");
    }
}