Pull out common code from client and host versions of LogToServer

remoting/client/client_status_logger_unittest.cc

+// Copyright 2014 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 "remoting/client/client_status_logger.h"
+
+#include "base/message_loop/message_loop.h"
+#include "base/message_loop/message_loop_proxy.h"
+#include "remoting/client/chromoting_stats.h"
+#include "remoting/jingle_glue/mock_objects.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
+
+using buzz::XmlElement;
+using buzz::QName;
+using remoting::protocol::ConnectionToHost;
+using testing::_;
+using testing::DeleteArg;
+using testing::InSequence;
+using testing::Return;
+
+namespace remoting {
+
+namespace {
+
+ACTION_P(QuitMainMessageLoop, message_loop) {
+  message_loop->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
+}
+
+const char kJabberClientNamespace[] = "jabber:client";
+const char kChromotingNamespace[] = "google:remoting";
+const char kTestBotJid[] = "remotingunittest@bot.talk.google.com";
+const char kClientJid[] = "host@domain.com/1234";
+
+// Verifies that |stanza| contains a log entry and returns it. Otherwise
+// returns NULL and records a test failure.
+XmlElement* GetLogElement(XmlElement* stanza) {
+  if (stanza->Name() != QName(kJabberClientNamespace, "iq")) {
+    ADD_FAILURE() << "Expected element 'iq'";
+    return NULL;
+  }
+  XmlElement* log_element = stanza->FirstChild()->AsElement();
+  if (log_element->Name() != QName(kChromotingNamespace, "log")) {
+    ADD_FAILURE() << "Expected element 'log'";
+    return NULL;
+  }
+  if (log_element->NextChild()) {
+    ADD_FAILURE() << "Expected only 1 child of 'iq'";
+    return NULL;
+  }
+  return log_element;
+}
+
+// Verifies that |stanza| contains only 1 log entry, and returns it.
+// Otherwise returns NULL and records a test failure.
+XmlElement* GetSingleLogEntry(XmlElement* stanza) {
+  XmlElement* log_element = GetLogElement(stanza);
+  if (!log_element) {
+    // Test failure already recorded, so just return NULL here.
+    return NULL;
+  }
+  XmlElement* entry = log_element->FirstChild()->AsElement();
+  if (entry->Name() != QName(kChromotingNamespace, "entry")) {
+    ADD_FAILURE() << "Expected element 'entry'";
+    return NULL;
+  }
+  if (entry->NextChild()) {
+    ADD_FAILURE() << "Expected only 1 child of 'log'";
+    return NULL;
+  }
+  return entry;
+}
+
+MATCHER_P2(IsStateChange, new_state, error, "") {
+  XmlElement* entry = GetSingleLogEntry(arg);
+  if (!entry) {
+    return false;
+  }
+
+  bool is_state_change = (
+      entry->Attr(QName(std::string(), "event-name")) == "session-state" &&
+      entry->Attr(QName(std::string(), "session-state")) == new_state &&
+      entry->Attr(QName(std::string(), "role")) == "client" &&
+      entry->Attr(QName(std::string(), "mode")) == "me2me");
+  if (!std::string(error).empty()) {
+    is_state_change = is_state_change &&
+        entry->Attr(QName(std::string(), "connection-error")) == error;
+  }
+  return is_state_change;
+}
+
+MATCHER(IsStatisticsLog, "") {
+  XmlElement* entry = GetSingleLogEntry(arg);
+  if (!entry) {
+    return false;
+  }
+
+  return entry->Attr(QName(std::string(), "event-name")) ==
+      "connection-statistics";
+}
+
+}  // namespace
+
+class ClientStatusLoggerTest : public testing::Test {
+ public:
+  ClientStatusLoggerTest() {}
+  virtual void SetUp() OVERRIDE {
+    EXPECT_CALL(signal_strategy_, AddListener(_));
+    EXPECT_CALL(signal_strategy_, RemoveListener(_));
+    message_loop_proxy_ = base::MessageLoopProxy::current();
+    client_status_logger_.reset(
+        new ClientStatusLogger(ServerLogEntry::ME2ME,
+                               &signal_strategy_,
+                               kTestBotJid));
+  }
+
+ protected:
+  base::MessageLoop message_loop_;
+  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
+  MockSignalStrategy signal_strategy_;
+  scoped_ptr<ClientStatusLogger> client_status_logger_;
+};
+
+TEST_F(ClientStatusLoggerTest, LogStateChange) {
+  {
+    InSequence s;
+    EXPECT_CALL(signal_strategy_, GetLocalJid())
+        .WillRepeatedly(Return(kClientJid));
+    EXPECT_CALL(signal_strategy_, AddListener(_));
+    EXPECT_CALL(signal_strategy_, GetNextId());
+    EXPECT_CALL(signal_strategy_, SendStanzaPtr(
+        IsStateChange("connected", std::string())))
+        .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
+    EXPECT_CALL(signal_strategy_, RemoveListener(_))
+        .WillOnce(QuitMainMessageLoop(&message_loop_))
+        .RetiresOnSaturation();
+  }
+  client_status_logger_->LogSessionStateChange(ConnectionToHost::CONNECTED,
+                                               protocol::OK);
+
+  // Setting the state to CONNECTED causes the log to be sent. Setting the
+  // state to DISCONNECTED causes |signal_strategy_| to be cleaned up,
+  // which removes the listener and terminates the test.
+  client_status_logger_->SetSignalingStateForTest(SignalStrategy::CONNECTED);
+  client_status_logger_->SetSignalingStateForTest(SignalStrategy::DISCONNECTED);
+  message_loop_.Run();
+}
+
+TEST_F(ClientStatusLoggerTest, LogStateChangeError) {
+  {
+    InSequence s;
+    EXPECT_CALL(signal_strategy_, GetLocalJid())
+        .WillRepeatedly(Return(kClientJid));
+    EXPECT_CALL(signal_strategy_, AddListener(_));
+    EXPECT_CALL(signal_strategy_, GetNextId());
+    EXPECT_CALL(signal_strategy_, SendStanzaPtr(
+        IsStateChange("connection-failed", "host-is-offline")))
+        .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
+    EXPECT_CALL(signal_strategy_, RemoveListener(_))
+        .WillOnce(QuitMainMessageLoop(&message_loop_))
+        .RetiresOnSaturation();
+  }
+  client_status_logger_->LogSessionStateChange(ConnectionToHost::FAILED,
+                                               protocol::PEER_IS_OFFLINE);
+
+  client_status_logger_->SetSignalingStateForTest(SignalStrategy::CONNECTED);
+  client_status_logger_->SetSignalingStateForTest(SignalStrategy::DISCONNECTED);
+  message_loop_.Run();
+}
+
+TEST_F(ClientStatusLoggerTest, LogStatistics) {
+  {
+    InSequence s;
+    EXPECT_CALL(signal_strategy_, GetLocalJid())
+        .WillRepeatedly(Return(kClientJid));
+    EXPECT_CALL(signal_strategy_, AddListener(_));
+    EXPECT_CALL(signal_strategy_, GetNextId());
+    EXPECT_CALL(signal_strategy_, SendStanzaPtr(
+        IsStatisticsLog()))
+        .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
+    EXPECT_CALL(signal_strategy_, RemoveListener(_))
+        .WillOnce(QuitMainMessageLoop(&message_loop_))
+        .RetiresOnSaturation();
+  }
+
+  ChromotingStats stats;
+  client_status_logger_->LogStatistics(&stats);
+
+  client_status_logger_->SetSignalingStateForTest(SignalStrategy::CONNECTED);
+  client_status_logger_->SetSignalingStateForTest(SignalStrategy::DISCONNECTED);
+  message_loop_.Run();
+}
+
+}  // namespace remoting