Upload UMA data using protocol buffers.

chrome/browser/metrics/metrics_log_unittest.cc

 // 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 <string>
 
 #include "base/stringprintf.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::TimeDelta;
 
 namespace {
-  class MetricsLogTest : public testing::Test {
-  };
-};
-
 
 // Since buildtime is highly variable, this function will scan an output log and
 // replace it with a consistent number.
-static void NormalizeBuildtime(std::string* xml_encoded) {
+void NormalizeBuildtime(std::string* xml_encoded) {
   std::string prefix = "buildtime=\"";
   const char postfix = '\"';
   size_t offset = xml_encoded->find(prefix);
   ASSERT_NE(std::string::npos, offset);
   offset += prefix.size();
   size_t postfix_position = xml_encoded->find(postfix, offset);
   ASSERT_NE(std::string::npos, postfix_position);
   for (size_t i = offset; i < postfix_position; ++i) {
     char digit = xml_encoded->at(i);
     ASSERT_GE(digit, '0');
     ASSERT_LE(digit, '9');
   }
 
   // Insert a single fake buildtime.
   xml_encoded->replace(offset, postfix_position - offset, "123246");
 }
 
-TEST(MetricsLogTest, EmptyRecord) {
-  std::string expected_output = base::StringPrintf(
-      "<log clientid=\"bogus client ID\" buildtime=\"123456789\" "
-      "appversion=\"%s\"/>", MetricsLog::GetVersionString().c_str());
-
-  MetricsLog log("bogus client ID", 0);
-  log.CloseLog();
-
-  int size = log.GetEncodedLogSize();
-  ASSERT_GT(size, 0);
-
-  std::string encoded;
-  // Leave room for the NUL terminator.
-  ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size + 1), size));
-  TrimWhitespaceASCII(encoded, TRIM_ALL, &encoded);
-  NormalizeBuildtime(&encoded);
-  NormalizeBuildtime(&expected_output);
-
-  ASSERT_EQ(expected_output, encoded);
-}
-
-#if defined(OS_CHROMEOS)
-TEST(MetricsLogTest, ChromeOSEmptyRecord) {
-  std::string expected_output = base::StringPrintf(
-      "<log clientid=\"bogus client ID\" buildtime=\"123456789\" "
-      "appversion=\"%s\" hardwareclass=\"sample-class\"/>",
-      MetricsLog::GetVersionString().c_str());
-
-  MetricsLog log("bogus client ID", 0);
-  log.set_hardware_class("sample-class");
-  log.CloseLog();
-
-  int size = log.GetEncodedLogSize();
-  ASSERT_GT(size, 0);
-
-  std::string encoded;
-  // Leave room for the NUL terminator.
-  ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size + 1), size));
-  TrimWhitespaceASCII(encoded, TRIM_ALL, &encoded);
-  NormalizeBuildtime(&encoded);
-  NormalizeBuildtime(&expected_output);
-
-  ASSERT_EQ(expected_output, encoded);
-}
-#endif  // OS_CHROMEOS
-
-namespace {
-
 class NoTimeMetricsLog : public MetricsLog {
  public:
   NoTimeMetricsLog(std::string client_id, int session_id):
       MetricsLog(client_id, session_id) {}
   virtual ~NoTimeMetricsLog() {}
 
   // Override this so that output is testable.
   virtual std::string GetCurrentTimeString() {
     return std::string();
   }
 };
 
-};  // namespace
+}  // namespace
 
-TEST(MetricsLogTest, WindowEvent) {
-  std::string expected_output = base::StringPrintf(
-      "<log clientid=\"bogus client ID\" buildtime=\"123456789\" "
-          "appversion=\"%s\">\n"
-      " <window action=\"create\" windowid=\"0\" session=\"0\" time=\"\"/>\n"
-      " <window action=\"open\" windowid=\"1\" parent=\"0\" "
-          "session=\"0\" time=\"\"/>\n"
-      " <window action=\"close\" windowid=\"1\" parent=\"0\" "
-          "session=\"0\" time=\"\"/>\n"
-      " <window action=\"destroy\" windowid=\"0\" session=\"0\" time=\"\"/>\n"
-      "</log>", MetricsLog::GetVersionString().c_str());
-
-  NoTimeMetricsLog log("bogus client ID", 0);
-  log.RecordWindowEvent(MetricsLog::WINDOW_CREATE, 0, -1);
-  log.RecordWindowEvent(MetricsLog::WINDOW_OPEN, 1, 0);
-  log.RecordWindowEvent(MetricsLog::WINDOW_CLOSE, 1, 0);
-  log.RecordWindowEvent(MetricsLog::WINDOW_DESTROY, 0, -1);
-  log.CloseLog();
-
-  ASSERT_EQ(4, log.num_events());
-
-  int size = log.GetEncodedLogSize();
-  ASSERT_GT(size, 0);
-
-  std::string encoded;
-  // Leave room for the NUL terminator.
-  ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size + 1), size));
-  TrimWhitespaceASCII(encoded, TRIM_ALL, &encoded);
-  NormalizeBuildtime(&encoded);
-  NormalizeBuildtime(&expected_output);
-
-  ASSERT_EQ(expected_output, encoded);
-}
-
-TEST(MetricsLogTest, LoadEvent) {
-  std::string expected_output = base::StringPrintf(
-      "<log clientid=\"bogus client ID\" buildtime=\"123456789\" "
-          "appversion=\"%s\">\n"
-      " <document action=\"load\" docid=\"1\" window=\"3\" loadtime=\"7219\" "
-          "origin=\"link\" session=\"0\" time=\"\"/>\n"
-      "</log>", MetricsLog::GetVersionString().c_str());
-
-  NoTimeMetricsLog log("bogus client ID", 0);
-  log.RecordLoadEvent(3, GURL("http://google.com"),
-                      content::PAGE_TRANSITION_LINK, 1,
-                      TimeDelta::FromMilliseconds(7219));
-
-  log.CloseLog();
-
-  ASSERT_EQ(1, log.num_events());
-
-  int size = log.GetEncodedLogSize();
-  ASSERT_GT(size, 0);
-
-  std::string encoded;
-  // Leave room for the NUL terminator.
-  ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size + 1), size));
-  TrimWhitespaceASCII(encoded, TRIM_ALL, &encoded);
-  NormalizeBuildtime(&encoded);
-  NormalizeBuildtime(&expected_output);
-
-  ASSERT_EQ(expected_output, encoded);
-}
+class MetricsLogTest : public testing::Test {
+};
 
 #if defined(OS_CHROMEOS)
-TEST(MetricsLogTest, ChromeOSLoadEvent) {
-  std::string expected_output = base::StringPrintf(
-      "<log clientid=\"bogus client ID\" buildtime=\"123456789\" "
-          "appversion=\"%s\" hardwareclass=\"sample-class\">\n"
-      " <document action=\"load\" docid=\"1\" window=\"3\" loadtime=\"7219\" "
-          "origin=\"link\" session=\"0\" time=\"\"/>\n"
-      "</log>", MetricsLog::GetVersionString().c_str());
-
-  NoTimeMetricsLog log("bogus client ID", 0);
-  log.RecordLoadEvent(3, GURL("http://google.com"),
-                      content::PAGE_TRANSITION_LINK, 1,
-                      TimeDelta::FromMilliseconds(7219));
-  log.set_hardware_class("sample-class");
-  log.CloseLog();
-
-  ASSERT_EQ(1, log.num_events());
-
-  int size = log.GetEncodedLogSize();
-  ASSERT_GT(size, 0);
-
-  std::string encoded;
-  // Leave room for the NUL terminator.
-  ASSERT_TRUE(log.GetEncodedLog(WriteInto(&encoded, size + 1), size));
-  TrimWhitespaceASCII(encoded, TRIM_ALL, &encoded);
-  NormalizeBuildtime(&encoded);
-  NormalizeBuildtime(&expected_output);
-
-  ASSERT_EQ(expected_output, encoded);
-}
-
 TEST(MetricsLogTest, ChromeOSStabilityData) {
   NoTimeMetricsLog log("bogus client ID", 0);
   TestingPrefService prefs;
   browser::RegisterLocalState(&prefs);
 
   prefs.SetInteger(prefs::kStabilityChildProcessCrashCount, 10);
   prefs.SetInteger(prefs::kStabilityOtherUserCrashCount, 11);
   prefs.SetInteger(prefs::kStabilityKernelCrashCount, 12);
   prefs.SetInteger(prefs::kStabilitySystemUncleanShutdownCount, 13);
   std::string expected_output = base::StringPrintf(
       "<log clientid=\"bogus client ID\" buildtime=\"123456789\" "
           "appversion=\"%s\">\n"
       "<stability stuff>\n", MetricsLog::GetVersionString().c_str());
   // Expect 3 warnings about not yet being able to send the
   // Chrome OS stability stats.
   log.WriteStabilityElement(&prefs);
   log.CloseLog();
 
-  int size = log.GetEncodedLogSize();
+  int size = log.GetEncodedLogSizeXml();
   ASSERT_GT(size, 0);
 
   EXPECT_EQ(0, prefs.GetInteger(prefs::kStabilityChildProcessCrashCount));
   EXPECT_EQ(0, prefs.GetInteger(prefs::kStabilityOtherUserCrashCount));
   EXPECT_EQ(0, prefs.GetInteger(prefs::kStabilityKernelCrashCount));
   EXPECT_EQ(0, prefs.GetInteger(prefs::kStabilitySystemUncleanShutdownCount));
 
   std::string encoded;
   // Leave room for the NUL terminator.
-  bool encoding_result = log.GetEncodedLog(
+  bool encoding_result = log.GetEncodedLogXml(
       WriteInto(&encoded, size + 1), size);
   ASSERT_TRUE(encoding_result);
 
   // Check that we can find childprocesscrashcount, but not
   // any of the ChromeOS ones that we are not emitting until log
   // servers can handle them.
   EXPECT_NE(std::string::npos,
             encoded.find(" childprocesscrashcount=\"10\""));
   EXPECT_EQ(std::string::npos,
             encoded.find(" otherusercrashcount="));
   EXPECT_EQ(std::string::npos,
             encoded.find(" kernelcrashcount="));
   EXPECT_EQ(std::string::npos,
             encoded.find(" systemuncleanshutdowns="));
 }
-
 #endif  // OS_CHROMEOS
-
-// Make sure our ID hashes are the same as what we see on the server side.
-TEST(MetricsLogTest, CreateHash) {
-  static const struct {
-    std::string input;
-    std::string output;
-  } cases[] = {
-    {"Back", "0x0557fa923dcee4d0"},
-    {"Forward", "0x67d2f6740a8eaebf"},
-    {"NewTab", "0x290eb683f96572f1"},
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
-    std::string hash_string = MetricsLog::CreateHash(cases[i].input);
-
-    // Convert to hex string
-    // We're only checking the first 8 bytes, because that's what
-    // the metrics server uses.
-    std::string hash_hex = "0x";
-    for (size_t j = 0; j < 8; j++) {
-      base::StringAppendF(&hash_hex, "%02x",
-                          static_cast<uint8>(hash_string.data()[j]));
-    }
-    EXPECT_EQ(cases[i].output, hash_hex);
-  }
-};