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// Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include <config.h>

#include <gtest/gtest.h>

#include <yang/tests/sysrepo_setup.h>
#include <yang/translator_logger.h>
#include <yang/yang_models.h>

using namespace std;
using namespace isc;
using namespace isc::data;
using namespace isc::yang;
using namespace isc::yang::test;
using namespace sysrepo;

namespace {

/// @brief Translator name.
extern char const logger_list[] = "logger list";

/// @brief Test fixture class for @ref TranslatorLoggers.
class TranslatorLoggersTestv4 :
    public GenericTranslatorTest<logger_list, TranslatorLoggers> {
public:
    /// @brief Constructor
    TranslatorLoggersTestv4() {
        model_ = KEA_DHCP4_SERVER;
    }
};  // TranslatorLoggersTestv4

class TranslatorLoggersTestv6 :
    public GenericTranslatorTest<logger_list, TranslatorLoggers> {
public:
    /// @brief Constructor
    TranslatorLoggersTestv6() {
        model_ = KEA_DHCP6_SERVER;
    }
};  // TranslatorLoggersTestv6

// This test verifies that an empty logger list can be properly
// translated from YANG to JSON.
TEST_F(TranslatorLoggersTestv4, getEmpty) {
    // Get empty.
    const string& xpath = "/kea-dhcp4-server:config";
    ConstElementPtr loggers;
    EXPECT_NO_THROW_LOG(loggers = t_obj_->getLoggersFromAbsoluteXpath(xpath));
    ASSERT_FALSE(loggers);
}

// This test verifies that one logger can be properly
// translated from YANG to JSON.
TEST_F(TranslatorLoggersTestv6, get) {
    // Set a value.
    const string& xpath = "/kea-dhcp6-server:config";
    const string& xlogger = xpath + "/logger[name='foo']";
    const string& xseverity = xlogger + "/severity";
    const string& xoption = xlogger + "/output-option[output='/bar']";
    const string& xmaxver = xoption + "/maxver";
    string const s_severity("WARN");
    EXPECT_NO_THROW_LOG(sess_->setItem(xseverity, s_severity));
    uint32_t max_ver = 10;
    string const s_maxver(to_string(max_ver));
    EXPECT_NO_THROW_LOG(sess_->setItem(xmaxver, s_maxver));
    sess_->applyChanges();

    // Get empty.
    ConstElementPtr loggers;
    EXPECT_NO_THROW_LOG(loggers = t_obj_->getLoggersFromAbsoluteXpath(xpath));
    ASSERT_TRUE(loggers);
    ASSERT_EQ(1, loggers->size());
    ConstElementPtr logger = loggers->get(0);
    ASSERT_TRUE(logger);
    EXPECT_EQ(3, logger->size());
    ConstElementPtr name = logger->get("name");
    ASSERT_TRUE(name);
    ASSERT_EQ(Element::string, name->getType());
    EXPECT_EQ("foo", name->stringValue());
    ConstElementPtr severity = logger->get("severity");
    ASSERT_TRUE(severity);
    ASSERT_EQ(Element::string, severity->getType());
    EXPECT_EQ("WARN", severity->stringValue());
    ConstElementPtr options = logger->get("output_options");
    ASSERT_TRUE(options);
    ASSERT_EQ(1, options->size());
    ConstElementPtr option = options->get(0);
    ASSERT_TRUE(option);
    EXPECT_EQ(2, option->size());
    ConstElementPtr output = option->get("output");
    ASSERT_TRUE(output);
    ASSERT_EQ(Element::string, output->getType());
    EXPECT_EQ("/bar", output->stringValue());
    ConstElementPtr maxver = option->get("maxver");
    ASSERT_TRUE(maxver);
    ASSERT_EQ(Element::integer, maxver->getType());
    EXPECT_EQ(max_ver, maxver->intValue());
}

// This test verifies that one logger can be properly
// translated from JSON to YANG.
TEST_F(TranslatorLoggersTestv4, set) {
    // Set a value.
    const string& xpath = "/kea-dhcp4-server:config";
    ElementPtr option = Element::createMap();
    option->set("output", Element::create(string("/bar")));
    option->set("maxver", Element::create(10));
    ElementPtr options = Element::createList();
    options->add(option);
    ElementPtr logger = Element::createMap();
    logger->set("name", Element::create(string("foo")));
    logger->set("severity", Element::create(string("WARN")));
    logger->set("output_options", options);
    ElementPtr loggers = Element::createList();
    loggers->add(logger);
    ASSERT_NO_THROW_LOG(t_obj_->setLoggers(xpath, loggers));

    // Get it back.
    ConstElementPtr gots;
    EXPECT_NO_THROW_LOG(gots = t_obj_->getLoggersFromAbsoluteXpath(xpath));
    ASSERT_TRUE(gots);
    ASSERT_EQ(1, gots->size());
    ConstElementPtr got = gots->get(0);
    ASSERT_TRUE(got);
    EXPECT_EQ(3, got->size());
    ConstElementPtr name = got->get("name");
    ASSERT_TRUE(name);
    ASSERT_EQ(Element::string, name->getType());
    EXPECT_EQ("foo", name->stringValue());
    ConstElementPtr severity = logger->get("severity");
    ASSERT_TRUE(severity);
    ASSERT_EQ(Element::string, severity->getType());
    EXPECT_EQ("WARN", severity->stringValue());
    ConstElementPtr got_os = logger->get("output_options");
    ASSERT_TRUE(got_os);
    ASSERT_EQ(1, got_os->size());
    ConstElementPtr got_o = got_os->get(0);
    ASSERT_TRUE(got_o);
    EXPECT_EQ(2, got_o->size());
    ConstElementPtr output = got_o->get("output");
    ASSERT_TRUE(output);
    ASSERT_EQ(Element::string, output->getType());
    EXPECT_EQ("/bar", output->stringValue());
    ConstElementPtr maxver = got_o->get("maxver");
    ASSERT_TRUE(maxver);
    ASSERT_EQ(Element::integer, maxver->getType());
    EXPECT_EQ(10, maxver->intValue());
}

/// @todo: Implement a test that will cover multiple loggers.

}  // namespace