The host sends simple log entries to the server.

remoting/host/server_log_entry_unittest.cc

Index: remoting/host/server_log_entry_unittest.cc
diff --git a/remoting/host/server_log_entry_unittest.cc b/remoting/host/server_log_entry_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..11bf8634e071f884371930c6be77cdc7e10e0615
--- /dev/null
+++ b/remoting/host/server_log_entry_unittest.cc
@@ -0,0 +1,105 @@
+// Copyright (c) 2011 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/scoped_ptr.h"
+#include "remoting/host/server_log_entry.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
+
+using buzz::XmlAttr;
+using buzz::XmlElement;
+
+namespace remoting {
+
+class ServerLogEntryTest : public testing::Test {
+ protected:
+  // Verifies a logging stanza.
+  // |keyValuePairs| lists the keys that must have specified values, and |keys|
+  // lists the keys that must be present, but may have arbitrary values.
+  // There must be no other keys.
+  static bool VerifyStanza(
+      const std::map<std::string, std::string>& key_value_pairs,
+      const std::set<std::string> keys,
+      const XmlElement* elem,
+      std::string* error) {
+    int attrCount = 0;
+    for (const XmlAttr* attr = elem->FirstAttr(); attr != NULL;
+         attr = attr->NextAttr(), attrCount++) {
+      if (attr->Name().Namespace().length() != 0) {
+        *error = "attribute has non-empty namespace " +
+            attr->Name().Namespace();
+        return false;
+      }
+      const std::string& key = attr->Name().LocalPart();
+      const std::string& value = attr->Value();
+      std::map<std::string, std::string>::const_iterator iter =
+          key_value_pairs.find(key);
+      if (iter == key_value_pairs.end()) {
+        if (keys.find(key) == keys.end()) {
+          *error = "unexpected attribute " + key;
+          return false;
+        }
+      } else {
+        if (iter->second != value) {
+          *error = "attribute " + key + " has value " + iter->second +
+              ": expected " + value;
+          return false;
+        }
+      }
+    }
+    int attr_count_expected = key_value_pairs.size() + keys.size();
+    if (attrCount != attr_count_expected) {
+      std::stringstream s;
+      s << "stanza has " << attrCount << " keys: expected "
+        << attr_count_expected;
+      *error = s.str();
+      return false;
+    }
+    return true;
+  }
+};
+
+TEST_F(ServerLogEntryTest, MakeSessionStateChange) {
+  scoped_ptr<ServerLogEntry> entry(
+      ServerLogEntry::MakeSessionStateChange(true));
+  scoped_ptr<XmlElement> stanza(entry->ToStanza());
+  std::string error;
+  std::map<std::string, std::string> key_value_pairs;
+  key_value_pairs["role"] = "host";
+  key_value_pairs["event-name"] = "session-state";
+  key_value_pairs["session-state"] = "connected";
+  std::set<std::string> keys;
+  ASSERT_TRUE(VerifyStanza(key_value_pairs, keys, stanza.get(), &error)) <<
+      error;
+}
+
+TEST_F(ServerLogEntryTest, AddHostFields) {
+  scoped_ptr<ServerLogEntry> entry(
+      ServerLogEntry::MakeSessionStateChange(true));
+  entry->AddHostFields();
+  scoped_ptr<XmlElement> stanza(entry->ToStanza());
+  std::string error;
+  std::map<std::string, std::string> key_value_pairs;
+  key_value_pairs["role"] = "host";
+  key_value_pairs["event-name"] = "session-state";
+  key_value_pairs["session-state"] = "connected";
+  std::set<std::string> keys;
+  keys.insert("cpu");
+#if defined(OS_WIN)
+  key_value_pairs["os-name"] = "Windows";
+  keys.insert("os-version");
+#elif defined(OS_MACOSX)
+  key_value_pairs["os-name"] = "Mac";
+  keys.insert("os-version");
+#elif defined(OS_CHROMEOS)
+  key_value_pairs["os-name"] = "ChromeOS";
+  keys.insert("os-version");
+#elif defined(OS_LINUX)
+  key_value_pairs["os-name"] = "Linux";
+#endif
+  ASSERT_TRUE(VerifyStanza(key_value_pairs, keys, stanza.get(), &error)) <<
+      error;
+}
+
+}  // namespace remoting