This change updates the libjingle logging so that it writes to chromiums VLOG instead of its own ...

jingle/glue/logging_unittest.cc

+// Copyright (c) 2012 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.
+
+// Note: this test tests LOG_V and LOG_E since all other logs are expressed
+// in forms of them. LOG is also tested for good measure.
+// Also note that we are only allowed to call InitLogging() twice so the test
+// cases are more dense than normal.
+
+// The following include must be first in this file. It ensures that
+// libjingle style logging is used.
+#define LOGGING_INSIDE_LIBJINGLE
+
+#include "third_party/libjingle/overrides/talk/base/logging.h"
+
+#include "base/command_line.h"
+#include "base/file_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#if defined(OS_WIN)
+static const wchar_t* const log_file_name = L"libjingle_logging.log";
+#else
+static const char* const log_file_name = "libjingle_logging.log";
+#endif
+
+static const int kDefaultVerbosity = 0;
+
+static const char* AsString(talk_base::LoggingSeverity severity) {
+  switch (severity) {
+    case talk_base::LS_ERROR:
+      return "LS_ERROR";
+    case talk_base::LS_WARNING:
+      return "LS_WARNING";
+    case talk_base::LS_INFO:
+      return "LS_INFO";
+    case talk_base::LS_VERBOSE:
+      return "LS_VERBOSE";
+    case talk_base::LS_SENSITIVE:
+      return "LS_SENSITIVE";
+    default:
+      return "";
+  }
+}
+
+static bool ContainsString(const std::string& original,
+                           const char* string_to_match) {
+  return original.find(string_to_match) != std::string::npos;
+}
+
+static bool Initialize(int verbosity_level) {
+  if (verbosity_level != kDefaultVerbosity) {
+    // Update the command line with specified verbosity level for this file.
+    CommandLine* command_line = CommandLine::ForCurrentProcess();
+    std::ostringstream value_stream;
+    value_stream << "logging_unittest=" << verbosity_level;
+    const std::string& value = value_stream.str();
+    command_line->AppendSwitchASCII("vmodule", value);
+  }
+
+  // The command line flags are parsed here and the log file name is set.
+  if (!InitLogging(log_file_name, logging::LOG_ONLY_TO_FILE,
+                   logging::DONT_LOCK_LOG_FILE, logging::DELETE_OLD_LOG_FILE,
+                   logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS)) {
+    return false;
+  }
+  EXPECT_TRUE(VLOG_IS_ON(verbosity_level));
+  EXPECT_FALSE(VLOG_IS_ON(verbosity_level + 1));
+  return true;
+}
+
+TEST(LibjingleLogTest, DefaultConfiguration) {
+  ASSERT_TRUE(Initialize(kDefaultVerbosity));
+
+  // In the default configuration nothing should be logged.
+  LOG_V(talk_base::LS_ERROR) << AsString(talk_base::LS_ERROR);
+  LOG_V(talk_base::LS_WARNING) << AsString(talk_base::LS_WARNING);
+  LOG_V(talk_base::LS_INFO) << AsString(talk_base::LS_INFO);
+  LOG_V(talk_base::LS_VERBOSE) << AsString(talk_base::LS_VERBOSE);
+  LOG_V(talk_base::LS_SENSITIVE) << AsString(talk_base::LS_SENSITIVE);
+
+  // Read file to string.
+  FilePath file_path(log_file_name);
+  std::string contents_of_file;
+  file_util::ReadFileToString(file_path, &contents_of_file);
+
+  // Make sure string contains the expected values.
+  EXPECT_FALSE(ContainsString(contents_of_file, AsString(talk_base::LS_ERROR)));
+  EXPECT_FALSE(ContainsString(contents_of_file,
+                              AsString(talk_base::LS_WARNING)));
+  EXPECT_FALSE(ContainsString(contents_of_file, AsString(talk_base::LS_INFO)));
+  EXPECT_FALSE(ContainsString(contents_of_file,
+                              AsString(talk_base::LS_VERBOSE)));
+  EXPECT_FALSE(ContainsString(contents_of_file,
+                              AsString(talk_base::LS_SENSITIVE)));
+}
+
+TEST(LibjingleLogTest, InfoConfiguration) {
+  ASSERT_TRUE(Initialize(talk_base::LS_INFO));
+
+  // In this configuration everything lower or equal to LS_INFO should be
+  // logged.
+  LOG_V(talk_base::LS_ERROR) << AsString(talk_base::LS_ERROR);
+  LOG_V(talk_base::LS_WARNING) << AsString(talk_base::LS_WARNING);
+  LOG_V(talk_base::LS_INFO) << AsString(talk_base::LS_INFO);
+  LOG_V(talk_base::LS_VERBOSE) << AsString(talk_base::LS_VERBOSE);
+  LOG_V(talk_base::LS_SENSITIVE) << AsString(talk_base::LS_SENSITIVE);
+
+  // Read file to string.
+  FilePath file_path(log_file_name);
+  std::string contents_of_file;
+  file_util::ReadFileToString(file_path, &contents_of_file);
+
+  // Make sure string contains the expected values.
+  EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_ERROR)));
+  EXPECT_TRUE(ContainsString(contents_of_file,
+                             AsString(talk_base::LS_WARNING)));
+  EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_INFO)));
+  EXPECT_FALSE(ContainsString(contents_of_file,
+                              AsString(talk_base::LS_VERBOSE)));
+  EXPECT_FALSE(ContainsString(contents_of_file,
+                              AsString(talk_base::LS_SENSITIVE)));
+
+  // Also check that the log is proper.
+  EXPECT_TRUE(ContainsString(contents_of_file, "logging_unittest.cc"));
+  EXPECT_FALSE(ContainsString(contents_of_file, "logging.h"));
+  EXPECT_FALSE(ContainsString(contents_of_file, "logging.cc"));
+}
+
+TEST(LibjingleLogTest, LogEverythingConfiguration) {
+  ASSERT_TRUE(Initialize(talk_base::LS_SENSITIVE));
+
+  // In this configuration everything should be logged.
+  LOG_V(talk_base::LS_ERROR) << AsString(talk_base::LS_ERROR);
+  LOG_V(talk_base::LS_WARNING) << AsString(talk_base::LS_WARNING);
+  LOG(LS_INFO) << AsString(talk_base::LS_INFO);
+  static const int kFakeError = 1;
+  LOG_E(LS_INFO, EN, kFakeError) << "LOG_E(" << AsString(talk_base::LS_INFO) <<
+      ")";
+  LOG_V(talk_base::LS_VERBOSE) << AsString(talk_base::LS_VERBOSE);
+  LOG_V(talk_base::LS_SENSITIVE) << AsString(talk_base::LS_SENSITIVE);
+
+  // Read file to string.
+  FilePath file_path(log_file_name);
+  std::string contents_of_file;
+  file_util::ReadFileToString(file_path, &contents_of_file);
+
+  // Make sure string contains the expected values.
+  EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_ERROR)));
+  EXPECT_TRUE(ContainsString(contents_of_file,
+                             AsString(talk_base::LS_WARNING)));
+  EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_INFO)));
+  // LOG_E
+  EXPECT_TRUE(ContainsString(contents_of_file, strerror(kFakeError)));
+  EXPECT_TRUE(ContainsString(contents_of_file,
+                             AsString(talk_base::LS_VERBOSE)));
+  EXPECT_TRUE(ContainsString(contents_of_file,
+                             AsString(talk_base::LS_SENSITIVE)));
+}