opendht/tests/test_value.cpp

// Copyright (c) 2014-2026 Savoir-faire Linux Inc.
// SPDX-License-Identifier: MIT

#include "test_value.h"

#include <iostream>
#include <string>

// opendht
#include "opendht/value.h"

namespace test {
CPPUNIT_TEST_SUITE_REGISTRATION(ValueTester);

void
ValueTester::setUp()
{}

void
ValueTester::testConstructors()
{
    std::string the_data {"42 cats"};
    dht::Value the_dht_value {(const uint8_t*) the_data.data(), the_data.size()};
    std::string from_value {the_dht_value.data.begin(), the_dht_value.data.end()};
    CPPUNIT_ASSERT_EQUAL(the_data, from_value);
}

void
ValueTester::testFilter()
{
    dht::Value::Filter defaultFiler {};

    auto isPairSize = dht::Value::Filter([](const dht::Value& v) { return v.data.size() % 2 == 0; });

    auto isUserTypeTest = dht::Value::Filter([](const dht::Value& v) { return v.user_type == "test"; });

    std::string data1 {"42 cats"};
    dht::Value value1 {(const uint8_t*) data1.data(), data1.size()};
    value1.user_type = "test";

    std::string data2 {"420 cats"};
    dht::Value value2 {(const uint8_t*) data2.data(), data2.size()};
    dht::Value value3 {(const uint8_t*) data2.data(), data2.size()};
    value3.user_type = "test";

    CPPUNIT_ASSERT(!isPairSize(value1));
    CPPUNIT_ASSERT(isUserTypeTest(value1));

    auto isBoth = dht::Value::Filter::chain(isPairSize, isUserTypeTest);
    auto isUserTypeTest2 = dht::Value::Filter::chain(defaultFiler, isUserTypeTest);

    CPPUNIT_ASSERT(isUserTypeTest2(value1));
    CPPUNIT_ASSERT(!isUserTypeTest2(value2));
    CPPUNIT_ASSERT(!isBoth(value1));
    CPPUNIT_ASSERT(!isBoth(value2));
    CPPUNIT_ASSERT(isBoth(value3));
}

void
ValueTester::tearDown()
{}
} // namespace test