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211 | // Copyright (C) 2018-2024 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 <cc/data.h>
#include <dhcpsrv/cfgmgr.h>
#include <dhcpsrv/parsers/dhcp_queue_control_parser.h>
#include <testutils/multi_threading_utils.h>
#include <testutils/test_to_element.h>
#include <util/multi_threading_mgr.h>
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::test;
using namespace isc::util;
namespace {
/// @brief Test fixture class for @c DHCPQueueControlParser
class DHCPQueueControlParserTest : public ::testing::Test {
public:
/// @brief Constructor
DHCPQueueControlParserTest() = default;
/// @brief Destructor
virtual ~DHCPQueueControlParserTest() = default;
protected:
/// @brief Setup for each test.
///
/// Clears the configuration in the @c CfgMgr.
virtual void SetUp();
/// @brief Cleans up after each test.
///
/// Clears the configuration in the @c CfgMgr.
virtual void TearDown();
};
void
DHCPQueueControlParserTest::SetUp() {
CfgMgr::instance().clear();
}
void
DHCPQueueControlParserTest::TearDown() {
CfgMgr::instance().clear();
}
// Verifies that DHCPQueueControlParser handles
// expected valid dhcp-queue-control content
TEST_F(DHCPQueueControlParserTest, validContent) {<--- syntax error
struct Scenario {
std::string description_;
std::string json_;
};
std::vector<Scenario> scenarios = {
{
"queue disabled",
"{ \n"
" \"enable-queue\": false \n"
"} \n"
},
{
"queue disabled, arbitrary content allowed",
"{ \n"
" \"enable-queue\": false, \n"
" \"foo\": \"bogus\", \n"
" \"random-int\" : 1234 \n"
"} \n"
},
{
"queue enabled, with queue-type",
"{ \n"
" \"enable-queue\": true, \n"
" \"queue-type\": \"some-type\" \n"
"} \n"
},
{
"queue enabled with queue-type and arbitrary content",
"{ \n"
" \"enable-queue\": true, \n"
" \"queue-type\": \"some-type\", \n"
" \"foo\": \"bogus\", \n"
" \"random-int\" : 1234 \n"
"} \n"
}
};
// Iterate over the valid scenarios and verify they succeed.
ConstElementPtr config_elems;
ConstElementPtr queue_control;
for (auto const& scenario : scenarios) {
SCOPED_TRACE(scenario.description_);
{
// Construct the config JSON
ASSERT_NO_THROW(config_elems = Element::fromJSON(scenario.json_))
<< "invalid JSON, test is broken";
// Parsing config into a queue control should succeed.
DHCPQueueControlParser parser;
try {
queue_control = parser.parse(config_elems, false);
} catch (const std::exception& ex) {
ADD_FAILURE() << "parser threw an exception: " << ex.what();
}
// Verify the resultant queue control.
ASSERT_TRUE(queue_control);
// The parser should have created a duplicate of the
// configuration elements.
ASSERT_TRUE(queue_control.get() != config_elems.get());
EXPECT_TRUE(queue_control->equals(*config_elems));
}
}
}
// Verifies that DHCPQueueControlParser correctly catches
// invalid dhcp-queue-control content
TEST_F(DHCPQueueControlParserTest, invalidContent) {
struct Scenario {
std::string description_;
std::string json_;
};
std::vector<Scenario> scenarios = {
{
"enable-queue missing",
"{ \n"
" \"enable-type\": \"some-type\" \n"
"} \n"
},
{
"enable-queue not boolean",
"{ \n"
" \"enable-queue\": \"always\" \n"
"} \n"
},
{
"queue enabled, type missing",
"{ \n"
" \"enable-queue\": true \n"
"} \n"
},
{
"queue enabled, type not a string",
"{ \n"
" \"enable-queue\": true, \n"
" \"queue-type\": 7777 \n"
"} \n"
}
};
// Iterate over the valid scenarios and verify they succeed.
ConstElementPtr config_elems;
ConstElementPtr queue_control;
for (auto const& scenario : scenarios) {
SCOPED_TRACE(scenario.description_);
{
// Construct the config JSON
ASSERT_NO_THROW(config_elems = Element::fromJSON(scenario.json_))
<< "invalid JSON, test is broken";
// Parsing config into a queue control should succeed.
DHCPQueueControlParser parser;
EXPECT_THROW(parser.parse(config_elems, false), DhcpConfigError);
}
}
}
// Verifies that DHCPQueueControlParser disables the queue when multi-threading
// is enabled
TEST_F(DHCPQueueControlParserTest, multiThreading) {
// Enable config with some queue type.
std::string config =
"{ \n"
" \"enable-queue\": true, \n"
" \"queue-type\": \"some-type\" \n"
"} \n";
// Construct the config JSON.
ConstElementPtr config_elems;
ASSERT_NO_THROW(config_elems = Element::fromJSON(config))
<< "invalid JSON, test is broken";
// Parse config.
DHCPQueueControlParser parser;
ConstElementPtr queue_control;
ASSERT_NO_THROW(queue_control = parser.parse(config_elems, false))
<< "parse fails, test is broken";
// Verify that queue is enabled.
ASSERT_TRUE(queue_control);
ASSERT_TRUE(queue_control->get("enable-queue"));
EXPECT_EQ("true", queue_control->get("enable-queue")->str());
// Retry with multi-threading.
ASSERT_NO_THROW(queue_control = parser.parse(config_elems, true));
ASSERT_TRUE(queue_control);
ASSERT_TRUE(queue_control->get("enable-queue"));
EXPECT_EQ("false", queue_control->get("enable-queue")->str());
}
}; // anonymous namespace
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