blob: 6706f50d614af5ea7db92b532c4d25aa9136aad0 [file] [log] [blame]
/*
* Copyright 2018 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "p2p/base/basic_async_resolver_factory.h"
#include "api/test/mock_async_dns_resolver.h"
#include "p2p/base/mock_async_resolver.h"
#include "rtc_base/async_resolver.h"
#include "rtc_base/gunit.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/third_party/sigslot/sigslot.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/testsupport/rtc_expect_death.h"
namespace webrtc {
class BasicAsyncResolverFactoryTest : public ::testing::Test,
public sigslot::has_slots<> {
public:
void TestCreate() {
BasicAsyncResolverFactory factory;
rtc::AsyncResolverInterface* resolver = factory.Create();
ASSERT_TRUE(resolver);
resolver->SignalDone.connect(
this, &BasicAsyncResolverFactoryTest::SetAddressResolved);
rtc::SocketAddress address("", 0);
resolver->Start(address);
ASSERT_TRUE_WAIT(address_resolved_, 10000 /*ms*/);
resolver->Destroy(false);
}
void SetAddressResolved(rtc::AsyncResolverInterface* resolver) {
address_resolved_ = true;
}
private:
bool address_resolved_ = false;
};
// This test is primarily intended to let tools check that the created resolver
// doesn't leak.
TEST_F(BasicAsyncResolverFactoryTest, TestCreate) {
TestCreate();
}
TEST(WrappingAsyncDnsResolverFactoryTest, TestCreateAndResolve) {
WrappingAsyncDnsResolverFactory factory(
std::make_unique<BasicAsyncResolverFactory>());
std::unique_ptr<AsyncDnsResolverInterface> resolver(factory.Create());
ASSERT_TRUE(resolver);
bool address_resolved = false;
rtc::SocketAddress address("", 0);
resolver->Start(address, [&address_resolved]() { address_resolved = true; });
ASSERT_TRUE_WAIT(address_resolved, 10000 /*ms*/);
resolver.reset();
}
TEST(WrappingAsyncDnsResolverFactoryTest, WrapOtherResolver) {
BasicAsyncResolverFactory non_owned_factory;
WrappingAsyncDnsResolverFactory factory(&non_owned_factory);
std::unique_ptr<AsyncDnsResolverInterface> resolver(factory.Create());
ASSERT_TRUE(resolver);
bool address_resolved = false;
rtc::SocketAddress address("", 0);
resolver->Start(address, [&address_resolved]() { address_resolved = true; });
ASSERT_TRUE_WAIT(address_resolved, 10000 /*ms*/);
resolver.reset();
}
#if GTEST_HAS_DEATH_TEST && defined(WEBRTC_LINUX)
// Tests that the prohibition against deleting the resolver from the callback
// is enforced. This is required by the use of sigslot in the wrapped resolver.
// Checking the error message fails on a number of platforms, so run this
// test only on the platforms where it works.
void CallResolver(WrappingAsyncDnsResolverFactory& factory) {
rtc::SocketAddress address("", 0);
std::unique_ptr<AsyncDnsResolverInterface> resolver(factory.Create());
resolver->Start(address, [&resolver]() { resolver.reset(); });
WAIT(!resolver.get(), 10000 /*ms*/);
}
TEST(WrappingAsyncDnsResolverFactoryDeathTest, DestroyResolverInCallback) {
// This test requires the main thread to be wrapped. So we defeat the
// workaround in test/test_main_lib.cc by explicitly wrapping the main
// thread here.
auto thread = rtc::Thread::CreateWithSocketServer();
thread->WrapCurrent();
// TODO(bugs.webrtc.org/12652): Rewrite as death test in loop style when it
// works.
WrappingAsyncDnsResolverFactory factory(
std::make_unique<BasicAsyncResolverFactory>());
// Since EXPECT_DEATH is thread sensitive, and the resolver creates a thread,
// we wrap the whole creation section in EXPECT_DEATH.
RTC_EXPECT_DEATH(CallResolver(factory),
"Check failed: !within_resolve_result_");
// If we get here, we have to unwrap the thread.
thread->Quit();
thread->Run();
thread->UnwrapCurrent();
thread = nullptr;
}
#endif
} // namespace webrtc