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Unified Diff: chrome/utility/local_discovery/service_discovery_client_unittest.cc

Issue 250793011: Revert of Move service_discovery_client_impl.* into chrome/common. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 8 months ago
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Index: chrome/utility/local_discovery/service_discovery_client_unittest.cc
diff --git a/chrome/utility/local_discovery/service_discovery_client_unittest.cc b/chrome/utility/local_discovery/service_discovery_client_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..93df2455ef39a8aa944fe0f370dd7f456bcf1307
--- /dev/null
+++ b/chrome/utility/local_discovery/service_discovery_client_unittest.cc
@@ -0,0 +1,518 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/memory/weak_ptr.h"
+#include "base/run_loop.h"
+#include "chrome/utility/local_discovery/service_discovery_client_impl.h"
+#include "net/base/net_errors.h"
+#include "net/dns/dns_protocol.h"
+#include "net/dns/mdns_client_impl.h"
+#include "net/dns/mock_mdns_socket_factory.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::_;
+using ::testing::Invoke;
+using ::testing::StrictMock;
+using ::testing::NiceMock;
+using ::testing::Mock;
+using ::testing::SaveArg;
+using ::testing::SetArgPointee;
+using ::testing::Return;
+using ::testing::Exactly;
+
+namespace local_discovery {
+
+namespace {
+
+const uint8 kSamplePacketPTR[] = {
+ // Header
+ 0x00, 0x00, // ID is zeroed out
+ 0x81, 0x80, // Standard query response, RA, no error
+ 0x00, 0x00, // No questions (for simplicity)
+ 0x00, 0x01, // 1 RR (answers)
+ 0x00, 0x00, // 0 authority RRs
+ 0x00, 0x00, // 0 additional RRs
+
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x0c, // TYPE is PTR.
+ 0x00, 0x01, // CLASS is IN.
+ 0x00, 0x00, // TTL (4 bytes) is 1 second.
+ 0x00, 0x01,
+ 0x00, 0x08, // RDLENGTH is 8 bytes.
+ 0x05, 'h', 'e', 'l', 'l', 'o',
+ 0xc0, 0x0c
+};
+
+const uint8 kSamplePacketSRV[] = {
+ // Header
+ 0x00, 0x00, // ID is zeroed out
+ 0x81, 0x80, // Standard query response, RA, no error
+ 0x00, 0x00, // No questions (for simplicity)
+ 0x00, 0x01, // 1 RR (answers)
+ 0x00, 0x00, // 0 authority RRs
+ 0x00, 0x00, // 0 additional RRs
+
+ 0x05, 'h', 'e', 'l', 'l', 'o',
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x21, // TYPE is SRV.
+ 0x00, 0x01, // CLASS is IN.
+ 0x00, 0x00, // TTL (4 bytes) is 1 second.
+ 0x00, 0x01,
+ 0x00, 0x15, // RDLENGTH is 21 bytes.
+ 0x00, 0x00,
+ 0x00, 0x00,
+ 0x22, 0xb8, // port 8888
+ 0x07, 'm', 'y', 'h', 'e', 'l', 'l', 'o',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+};
+
+const uint8 kSamplePacketTXT[] = {
+ // Header
+ 0x00, 0x00, // ID is zeroed out
+ 0x81, 0x80, // Standard query response, RA, no error
+ 0x00, 0x00, // No questions (for simplicity)
+ 0x00, 0x01, // 1 RR (answers)
+ 0x00, 0x00, // 0 authority RRs
+ 0x00, 0x00, // 0 additional RRs
+
+ 0x05, 'h', 'e', 'l', 'l', 'o',
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x10, // TYPE is PTR.
+ 0x00, 0x01, // CLASS is IN.
+ 0x00, 0x00, // TTL (4 bytes) is 20 hours, 47 minutes, 48 seconds.
+ 0x00, 0x01,
+ 0x00, 0x06, // RDLENGTH is 21 bytes.
+ 0x05, 'h', 'e', 'l', 'l', 'o'
+};
+
+const uint8 kSamplePacketSRVA[] = {
+ // Header
+ 0x00, 0x00, // ID is zeroed out
+ 0x81, 0x80, // Standard query response, RA, no error
+ 0x00, 0x00, // No questions (for simplicity)
+ 0x00, 0x02, // 2 RR (answers)
+ 0x00, 0x00, // 0 authority RRs
+ 0x00, 0x00, // 0 additional RRs
+
+ 0x05, 'h', 'e', 'l', 'l', 'o',
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x21, // TYPE is SRV.
+ 0x00, 0x01, // CLASS is IN.
+ 0x00, 0x00, // TTL (4 bytes) is 16 seconds.
+ 0x00, 0x10,
+ 0x00, 0x15, // RDLENGTH is 21 bytes.
+ 0x00, 0x00,
+ 0x00, 0x00,
+ 0x22, 0xb8, // port 8888
+ 0x07, 'm', 'y', 'h', 'e', 'l', 'l', 'o',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+
+ 0x07, 'm', 'y', 'h', 'e', 'l', 'l', 'o',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x01, // TYPE is A.
+ 0x00, 0x01, // CLASS is IN.
+ 0x00, 0x00, // TTL (4 bytes) is 16 seconds.
+ 0x00, 0x10,
+ 0x00, 0x04, // RDLENGTH is 4 bytes.
+ 0x01, 0x02,
+ 0x03, 0x04,
+};
+
+const uint8 kSamplePacketPTR2[] = {
+ // Header
+ 0x00, 0x00, // ID is zeroed out
+ 0x81, 0x80, // Standard query response, RA, no error
+ 0x00, 0x00, // No questions (for simplicity)
+ 0x00, 0x02, // 2 RR (answers)
+ 0x00, 0x00, // 0 authority RRs
+ 0x00, 0x00, // 0 additional RRs
+
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x0c, // TYPE is PTR.
+ 0x00, 0x01, // CLASS is IN.
+ 0x02, 0x00, // TTL (4 bytes) is 1 second.
+ 0x00, 0x01,
+ 0x00, 0x08, // RDLENGTH is 8 bytes.
+ 0x05, 'g', 'd', 'b', 'y', 'e',
+ 0xc0, 0x0c,
+
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x0c, // TYPE is PTR.
+ 0x00, 0x01, // CLASS is IN.
+ 0x02, 0x00, // TTL (4 bytes) is 1 second.
+ 0x00, 0x01,
+ 0x00, 0x08, // RDLENGTH is 8 bytes.
+ 0x05, 'h', 'e', 'l', 'l', 'o',
+ 0xc0, 0x0c
+};
+
+const uint8 kSamplePacketQuerySRV[] = {
+ // Header
+ 0x00, 0x00, // ID is zeroed out
+ 0x00, 0x00, // No flags.
+ 0x00, 0x01, // One question.
+ 0x00, 0x00, // 0 RRs (answers)
+ 0x00, 0x00, // 0 authority RRs
+ 0x00, 0x00, // 0 additional RRs
+
+ // Question
+ 0x05, 'h', 'e', 'l', 'l', 'o',
+ 0x07, '_', 'p', 'r', 'i', 'v', 'e', 't',
+ 0x04, '_', 't', 'c', 'p',
+ 0x05, 'l', 'o', 'c', 'a', 'l',
+ 0x00,
+ 0x00, 0x21, // TYPE is SRV.
+ 0x00, 0x01, // CLASS is IN.
+};
+
+
+class MockServiceWatcherClient {
+ public:
+ MOCK_METHOD2(OnServiceUpdated,
+ void(ServiceWatcher::UpdateType, const std::string&));
+
+ ServiceWatcher::UpdatedCallback GetCallback() {
+ return base::Bind(&MockServiceWatcherClient::OnServiceUpdated,
+ base::Unretained(this));
+ }
+};
+
+class ServiceDiscoveryTest : public ::testing::Test {
+ public:
+ ServiceDiscoveryTest()
+ : service_discovery_client_(&mdns_client_) {
+ mdns_client_.StartListening(&socket_factory_);
+ }
+
+ virtual ~ServiceDiscoveryTest() {
+ }
+
+ protected:
+ void RunFor(base::TimeDelta time_period) {
+ base::CancelableCallback<void()> callback(base::Bind(
+ &ServiceDiscoveryTest::Stop, base::Unretained(this)));
+ base::MessageLoop::current()->PostDelayedTask(
+ FROM_HERE, callback.callback(), time_period);
+
+ base::MessageLoop::current()->Run();
+ callback.Cancel();
+ }
+
+ void Stop() {
+ base::MessageLoop::current()->Quit();
+ }
+
+ net::MockMDnsSocketFactory socket_factory_;
+ net::MDnsClientImpl mdns_client_;
+ ServiceDiscoveryClientImpl service_discovery_client_;
+ base::MessageLoop loop_;
+};
+
+TEST_F(ServiceDiscoveryTest, AddRemoveService) {
+ StrictMock<MockServiceWatcherClient> delegate;
+
+ scoped_ptr<ServiceWatcher> watcher(
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback()));
+
+ watcher->Start();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ socket_factory_.SimulateReceive(kSamplePacketPTR, sizeof(kSamplePacketPTR));
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_REMOVED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ RunFor(base::TimeDelta::FromSeconds(2));
+};
+
+TEST_F(ServiceDiscoveryTest, DiscoverNewServices) {
+ StrictMock<MockServiceWatcherClient> delegate;
+
+ scoped_ptr<ServiceWatcher> watcher(
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback()));
+
+ watcher->Start();
+
+ EXPECT_CALL(socket_factory_, OnSendTo(_)).Times(2);
+
+ watcher->DiscoverNewServices(false);
+
+ EXPECT_CALL(socket_factory_, OnSendTo(_)).Times(2);
+
+ RunFor(base::TimeDelta::FromSeconds(2));
+};
+
+TEST_F(ServiceDiscoveryTest, ReadCachedServices) {
+ socket_factory_.SimulateReceive(kSamplePacketPTR, sizeof(kSamplePacketPTR));
+
+ StrictMock<MockServiceWatcherClient> delegate;
+
+ scoped_ptr<ServiceWatcher> watcher(
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback()));
+
+ watcher->Start();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ base::MessageLoop::current()->RunUntilIdle();
+};
+
+
+TEST_F(ServiceDiscoveryTest, ReadCachedServicesMultiple) {
+ socket_factory_.SimulateReceive(kSamplePacketPTR2, sizeof(kSamplePacketPTR2));
+
+ StrictMock<MockServiceWatcherClient> delegate;
+ scoped_ptr<ServiceWatcher> watcher =
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback());
+
+ watcher->Start();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "gdbye._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ base::MessageLoop::current()->RunUntilIdle();
+};
+
+
+TEST_F(ServiceDiscoveryTest, OnServiceChanged) {
+ StrictMock<MockServiceWatcherClient> delegate;
+ scoped_ptr<ServiceWatcher> watcher(
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback()));
+
+ watcher->Start();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ socket_factory_.SimulateReceive(kSamplePacketPTR, sizeof(kSamplePacketPTR));
+
+ base::MessageLoop::current()->RunUntilIdle();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_CHANGED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ socket_factory_.SimulateReceive(kSamplePacketSRV, sizeof(kSamplePacketSRV));
+
+ socket_factory_.SimulateReceive(kSamplePacketTXT, sizeof(kSamplePacketTXT));
+
+ base::MessageLoop::current()->RunUntilIdle();
+};
+
+TEST_F(ServiceDiscoveryTest, SinglePacket) {
+ StrictMock<MockServiceWatcherClient> delegate;
+ scoped_ptr<ServiceWatcher> watcher(
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback()));
+
+ watcher->Start();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ socket_factory_.SimulateReceive(kSamplePacketPTR, sizeof(kSamplePacketPTR));
+
+ // Reset the "already updated" flag.
+ base::MessageLoop::current()->RunUntilIdle();
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_CHANGED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ socket_factory_.SimulateReceive(kSamplePacketSRV, sizeof(kSamplePacketSRV));
+
+ socket_factory_.SimulateReceive(kSamplePacketTXT, sizeof(kSamplePacketTXT));
+
+ base::MessageLoop::current()->RunUntilIdle();
+};
+
+TEST_F(ServiceDiscoveryTest, ActivelyRefreshServices) {
+ StrictMock<MockServiceWatcherClient> delegate;
+ scoped_ptr<ServiceWatcher> watcher(
+ service_discovery_client_.CreateServiceWatcher(
+ "_privet._tcp.local", delegate.GetCallback()));
+
+ watcher->Start();
+ watcher->SetActivelyRefreshServices(true);
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_ADDED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ std::string query_packet = std::string((const char*)(kSamplePacketQuerySRV),
+ sizeof(kSamplePacketQuerySRV));
+
+ EXPECT_CALL(socket_factory_, OnSendTo(query_packet))
+ .Times(2);
+
+ socket_factory_.SimulateReceive(kSamplePacketPTR, sizeof(kSamplePacketPTR));
+
+ base::MessageLoop::current()->RunUntilIdle();
+
+ socket_factory_.SimulateReceive(kSamplePacketSRV, sizeof(kSamplePacketSRV));
+
+ EXPECT_CALL(socket_factory_, OnSendTo(query_packet))
+ .Times(4); // IPv4 and IPv6 at 85% and 95%
+
+ EXPECT_CALL(delegate, OnServiceUpdated(ServiceWatcher::UPDATE_REMOVED,
+ "hello._privet._tcp.local"))
+ .Times(Exactly(1));
+
+ RunFor(base::TimeDelta::FromSeconds(2));
+
+ base::MessageLoop::current()->RunUntilIdle();
+};
+
+
+class ServiceResolverTest : public ServiceDiscoveryTest {
+ public:
+ ServiceResolverTest() {
+ metadata_expected_.push_back("hello");
+ address_expected_ = net::HostPortPair("myhello.local", 8888);
+ ip_address_expected_.push_back(1);
+ ip_address_expected_.push_back(2);
+ ip_address_expected_.push_back(3);
+ ip_address_expected_.push_back(4);
+ }
+
+ ~ServiceResolverTest() {
+ }
+
+ void SetUp() {
+ resolver_ = service_discovery_client_.CreateServiceResolver(
+ "hello._privet._tcp.local",
+ base::Bind(&ServiceResolverTest::OnFinishedResolving,
+ base::Unretained(this)));
+ }
+
+ void OnFinishedResolving(ServiceResolver::RequestStatus request_status,
+ const ServiceDescription& service_description) {
+ OnFinishedResolvingInternal(request_status,
+ service_description.address.ToString(),
+ service_description.metadata,
+ service_description.ip_address);
+ }
+
+ MOCK_METHOD4(OnFinishedResolvingInternal,
+ void(ServiceResolver::RequestStatus,
+ const std::string&,
+ const std::vector<std::string>&,
+ const net::IPAddressNumber&));
+
+ protected:
+ scoped_ptr<ServiceResolver> resolver_;
+ net::IPAddressNumber ip_address_;
+ net::HostPortPair address_expected_;
+ std::vector<std::string> metadata_expected_;
+ net::IPAddressNumber ip_address_expected_;
+};
+
+TEST_F(ServiceResolverTest, TxtAndSrvButNoA) {
+ EXPECT_CALL(socket_factory_, OnSendTo(_)).Times(4);
+
+ resolver_->StartResolving();
+
+ socket_factory_.SimulateReceive(kSamplePacketSRV, sizeof(kSamplePacketSRV));
+
+ base::MessageLoop::current()->RunUntilIdle();
+
+ EXPECT_CALL(*this,
+ OnFinishedResolvingInternal(ServiceResolver::STATUS_SUCCESS,
+ address_expected_.ToString(),
+ metadata_expected_,
+ net::IPAddressNumber()));
+
+ socket_factory_.SimulateReceive(kSamplePacketTXT, sizeof(kSamplePacketTXT));
+};
+
+TEST_F(ServiceResolverTest, TxtSrvAndA) {
+ EXPECT_CALL(socket_factory_, OnSendTo(_)).Times(4);
+
+ resolver_->StartResolving();
+
+ EXPECT_CALL(*this,
+ OnFinishedResolvingInternal(ServiceResolver::STATUS_SUCCESS,
+ address_expected_.ToString(),
+ metadata_expected_,
+ ip_address_expected_));
+
+ socket_factory_.SimulateReceive(kSamplePacketTXT, sizeof(kSamplePacketTXT));
+
+ socket_factory_.SimulateReceive(kSamplePacketSRVA, sizeof(kSamplePacketSRVA));
+};
+
+TEST_F(ServiceResolverTest, JustSrv) {
+ EXPECT_CALL(socket_factory_, OnSendTo(_)).Times(4);
+
+ resolver_->StartResolving();
+
+ EXPECT_CALL(*this,
+ OnFinishedResolvingInternal(ServiceResolver::STATUS_SUCCESS,
+ address_expected_.ToString(),
+ std::vector<std::string>(),
+ ip_address_expected_));
+
+ socket_factory_.SimulateReceive(kSamplePacketSRVA, sizeof(kSamplePacketSRVA));
+
+ // TODO(noamsml): When NSEC record support is added, change this to use an
+ // NSEC record.
+ RunFor(base::TimeDelta::FromSeconds(4));
+};
+
+TEST_F(ServiceResolverTest, WithNothing) {
+ EXPECT_CALL(socket_factory_, OnSendTo(_)).Times(4);
+
+ resolver_->StartResolving();
+
+ EXPECT_CALL(*this, OnFinishedResolvingInternal(
+ ServiceResolver::STATUS_REQUEST_TIMEOUT, _, _, _));
+
+ // TODO(noamsml): When NSEC record support is added, change this to use an
+ // NSEC record.
+ RunFor(base::TimeDelta::FromSeconds(4));
+};
+
+} // namespace
+
+} // namespace local_discovery
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