unplugged-system/external/ot-br-posix/tests/unit/test_dns_utils.cpp

98 lines
4.7 KiB
C++

/*
* Copyright (c) 2021, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the copyright holder 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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 "common/dns_utils.hpp"
#include <assert.h>
#include <CppUTest/TestHarness.h>
TEST_GROUP(DnsUtils){};
static void CheckSplitFullDnsName(const std::string &aFullName,
bool aIsServiceInstance,
bool aIsService,
bool aIsHost,
const std::string &aInstanceName,
const std::string &aServiceName,
const std::string &aHostName,
const std::string &aDomain)
{
DnsNameInfo info;
assert(aFullName.empty() || aFullName.back() != '.');
info = SplitFullDnsName(aFullName);
CHECK_EQUAL(aIsServiceInstance, info.IsServiceInstance());
CHECK_EQUAL(aIsService, info.IsService());
CHECK_EQUAL(aIsHost, info.IsHost());
CHECK_EQUAL(aInstanceName, info.mInstanceName);
CHECK_EQUAL(aServiceName, info.mServiceName);
CHECK_EQUAL(aHostName, info.mHostName);
CHECK_EQUAL(aDomain, info.mDomain);
info = SplitFullDnsName(aFullName + ".");
CHECK_EQUAL(aIsServiceInstance, info.IsServiceInstance());
CHECK_EQUAL(aIsService, info.IsService());
CHECK_EQUAL(aIsHost, info.IsHost());
CHECK_EQUAL(aInstanceName, info.mInstanceName);
CHECK_EQUAL(aServiceName, info.mServiceName);
CHECK_EQUAL(aHostName, info.mHostName);
CHECK_EQUAL(aDomain, info.mDomain);
}
TEST(DnsUtils, TestSplitFullDnsName)
{
// Check service instance names
CheckSplitFullDnsName("ins1._ipps._tcp.default.service.arpa", true, false, false, "ins1", "_ipps._tcp", "",
"default.service.arpa.");
CheckSplitFullDnsName("Instance Name._ipps._tcp.default.service.arpa", true, false, false, "Instance Name",
"_ipps._tcp", "", "default.service.arpa.");
CheckSplitFullDnsName("Instance.Name.With.Dots._ipps._tcp.default.service.arpa", true, false, false,
"Instance.Name.With.Dots", "_ipps._tcp", "", "default.service.arpa.");
// Check service names
CheckSplitFullDnsName("_ipps._tcp.default.service.arpa", false, true, false, "", "_ipps._tcp", "",
"default.service.arpa.");
CheckSplitFullDnsName("_meshcop._udp.default.service.arpa", false, true, false, "", "_meshcop._udp", "",
"default.service.arpa.");
// Check invalid service names
CheckSplitFullDnsName("_meshcop._abc.default.service.arpa", false, false, true, "", "", "_meshcop",
"_abc.default.service.arpa.");
CheckSplitFullDnsName("_tcp.default.service.arpa", false, false, true, "", "", "_tcp", "default.service.arpa.");
// Check host names
CheckSplitFullDnsName("abc.example.com", false, false, true, "", "", "abc", "example.com.");
CheckSplitFullDnsName("example.com", false, false, true, "", "", "example", "com.");
CheckSplitFullDnsName("com", false, false, true, "", "", "com", ".");
CheckSplitFullDnsName("", false, false, true, "", "", "", ".");
}