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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Note: this test tests RTC_LOG_V and RTC_LOG_E since all other logs are
// expressed in forms of them. RTC_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.
// We must include Chromium headers before including the overrides header
// since webrtc's logging.h file may conflict with chromium.
#include "base/logging.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "build/build_config.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc_overrides/rtc_base/logging.h"
namespace {
static const int kDefaultVerbosity = 0;
static const char* AsString(webrtc::LoggingSeverity severity) {
switch (severity) {
case webrtc::LS_ERROR:
return "LS_ERROR";
case webrtc::LS_WARNING:
return "LS_WARNING";
case webrtc::LS_INFO:
return "LS_INFO";
case webrtc::LS_VERBOSE:
return "LS_VERBOSE";
case webrtc::LS_SENSITIVE:
return "LS_SENSITIVE";
default:
return "";
}
}
class WebRtcTextLogTest : public testing::Test {
public:
void SetUp() override {
// Some builds don't have runtime vlogging. See base/logging.h.
if (!VLOG_IS_ON(0)) {
GTEST_SKIP();
}
ASSERT_TRUE(log_dir_.CreateUniqueTempDir());
log_file_path_ = log_dir_.GetPath().AppendASCII("webrtc_log");
}
protected:
bool Initialize(int verbosity_level) {
// The command line flags are parsed here and the log file name is set.
logging::LoggingSettings settings;
settings.logging_dest = logging::LOG_TO_FILE;
settings.log_file_path = log_file_path_.value().data();
settings.lock_log = logging::DONT_LOCK_LOG_FILE;
settings.delete_old = logging::DELETE_OLD_LOG_FILE;
if (!logging::InitLogging(settings)) {
return false;
}
logging::SetMinLogLevel(-verbosity_level);
EXPECT_TRUE(VLOG_IS_ON(verbosity_level));
EXPECT_FALSE(VLOG_IS_ON(verbosity_level + 1));
return true;
}
base::ScopedTempDir log_dir_;
base::FilePath log_file_path_;
};
TEST_F(WebRtcTextLogTest, DefaultConfiguration) {
ASSERT_TRUE(Initialize(kDefaultVerbosity));
// In the default configuration only warnings and errors should be logged.
RTC_LOG_V(webrtc::LS_ERROR) << AsString(webrtc::LS_ERROR);
RTC_LOG_V(webrtc::LS_WARNING) << AsString(webrtc::LS_WARNING);
RTC_LOG_V(webrtc::LS_INFO) << AsString(webrtc::LS_INFO);
RTC_LOG_V(webrtc::LS_VERBOSE) << AsString(webrtc::LS_VERBOSE);
RTC_LOG_V(webrtc::LS_SENSITIVE) << AsString(webrtc::LS_SENSITIVE);
// Read file to string.
std::string contents_of_file;
base::ReadFileToString(log_file_path_, &contents_of_file);
// Make sure string contains the expected values.
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_ERROR)));
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_WARNING)));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr(AsString(webrtc::LS_INFO))));
EXPECT_THAT(
contents_of_file,
::testing::Not(::testing::HasSubstr(AsString(webrtc::LS_VERBOSE))));
EXPECT_THAT(
contents_of_file,
::testing::Not(::testing::HasSubstr(AsString(webrtc::LS_SENSITIVE))));
}
TEST_F(WebRtcTextLogTest, InfoConfiguration) {
ASSERT_TRUE(Initialize(0)); // 0 == Chrome's 'info' level.
// In this configuration everything lower or equal to LS_INFO should be
// logged.
RTC_LOG_V(webrtc::LS_ERROR) << AsString(webrtc::LS_ERROR);
RTC_LOG_V(webrtc::LS_WARNING) << AsString(webrtc::LS_WARNING);
RTC_LOG_V(webrtc::LS_INFO) << AsString(webrtc::LS_INFO);
RTC_LOG_V(webrtc::LS_VERBOSE) << AsString(webrtc::LS_VERBOSE);
RTC_LOG_V(webrtc::LS_SENSITIVE) << AsString(webrtc::LS_SENSITIVE);
// Read file to string.
std::string contents_of_file;
base::ReadFileToString(log_file_path_, &contents_of_file);
// Make sure string contains the expected values.
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_ERROR)));
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_WARNING)));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr(AsString(webrtc::LS_INFO))));
EXPECT_THAT(
contents_of_file,
::testing::Not(::testing::HasSubstr(AsString(webrtc::LS_VERBOSE))));
EXPECT_THAT(
contents_of_file,
::testing::Not(::testing::HasSubstr(AsString(webrtc::LS_SENSITIVE))));
// Also check that the log is proper.
EXPECT_THAT(contents_of_file, ::testing::HasSubstr("logging_unittest.cc"));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr("logging.h")));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr("logging.cc")));
}
TEST_F(WebRtcTextLogTest, LogEverythingConfiguration) {
ASSERT_TRUE(Initialize(2)); // verbosity at level 2 allows LS_SENSITIVE.
// In this configuration everything should be logged.
RTC_LOG_V(webrtc::LS_ERROR) << AsString(webrtc::LS_ERROR);
RTC_LOG_V(webrtc::LS_WARNING) << AsString(webrtc::LS_WARNING);
RTC_LOG(LS_INFO) << AsString(webrtc::LS_INFO);
static const int kFakeError = 1;
RTC_LOG_E(LS_INFO, EN, kFakeError)
<< "RTC_LOG_E(" << AsString(webrtc::LS_INFO) << ")";
RTC_LOG_V(webrtc::LS_VERBOSE) << AsString(webrtc::LS_VERBOSE);
RTC_LOG_V(webrtc::LS_SENSITIVE) << AsString(webrtc::LS_SENSITIVE);
// Read file to string.
std::string contents_of_file;
base::ReadFileToString(log_file_path_, &contents_of_file);
// Make sure string contains the expected values.
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_ERROR)));
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_WARNING)));
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_INFO)));
// RTC_LOG_E
EXPECT_THAT(contents_of_file, ::testing::HasSubstr(strerror(kFakeError)));
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_VERBOSE)));
EXPECT_THAT(contents_of_file,
::testing::HasSubstr(AsString(webrtc::LS_SENSITIVE)));
}
TEST_F(WebRtcTextLogTest, LogIf) {
ASSERT_TRUE(Initialize(2));
RTC_LOG_IF(LS_INFO, true) << "IfTrue";
RTC_LOG_IF(LS_INFO, false) << "IfFalse";
RTC_LOG_IF_F(LS_INFO, true) << "LogF";
RTC_LOG_IF_F(LS_INFO, false) << "NoLogF";
RTC_DLOG_IF(LS_INFO, true) << "DebugIfTrue";
RTC_DLOG_IF(LS_INFO, false) << "DebugIfFalse";
RTC_DLOG_IF_F(LS_INFO, true) << "DebugLogF";
RTC_DLOG_IF_F(LS_INFO, false) << "DebugNotLogF";
// Read file to string.
std::string contents_of_file;
base::ReadFileToString(log_file_path_, &contents_of_file);
EXPECT_THAT(contents_of_file, ::testing::HasSubstr("IfTrue"));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr("IfFalse")));
EXPECT_THAT(contents_of_file, ::testing::HasSubstr(__FUNCTION__));
EXPECT_THAT(contents_of_file, ::testing::HasSubstr("LogF"));
EXPECT_THAT(contents_of_file, ::testing::Not(::testing::HasSubstr("NoLogF")));
#if RTC_DLOG_IS_ON
EXPECT_THAT(contents_of_file, ::testing::HasSubstr("DebugIfTrue"));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr("DebugIfFalse")));
EXPECT_THAT(contents_of_file, ::testing::HasSubstr("DebugLogF"));
EXPECT_THAT(contents_of_file,
::testing::Not(::testing::HasSubstr("DebugNoLogF")));
#endif // RTC_DLOG_IF_ON
}
} // namespace
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