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//
// Copyright 2022 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "absl/log/globals.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/base/attributes.h"
#include "absl/base/log_severity.h"
#include "absl/log/internal/globals.h"
#include "absl/log/internal/test_helpers.h"
#include "absl/log/log.h"
#include "absl/log/scoped_mock_log.h"
namespace {
using ::testing::_;
using ::testing::StrEq;
auto* test_env ABSL_ATTRIBUTE_UNUSED = ::testing::AddGlobalTestEnvironment(
new absl::log_internal::LogTestEnvironment);
constexpr static absl::LogSeverityAtLeast DefaultMinLogLevel() {
return absl::LogSeverityAtLeast::kInfo;
}
constexpr static absl::LogSeverityAtLeast DefaultStderrThreshold() {
return absl::LogSeverityAtLeast::kError;
}
TEST(TestGlobals, MinLogLevel) {
EXPECT_EQ(absl::MinLogLevel(), DefaultMinLogLevel());
absl::SetMinLogLevel(absl::LogSeverityAtLeast::kError);
EXPECT_EQ(absl::MinLogLevel(), absl::LogSeverityAtLeast::kError);
absl::SetMinLogLevel(DefaultMinLogLevel());
}
TEST(TestGlobals, ScopedMinLogLevel) {
EXPECT_EQ(absl::MinLogLevel(), DefaultMinLogLevel());
{
absl::log_internal::ScopedMinLogLevel scoped_stderr_threshold(
absl::LogSeverityAtLeast::kError);
EXPECT_EQ(absl::MinLogLevel(), absl::LogSeverityAtLeast::kError);
}
EXPECT_EQ(absl::MinLogLevel(), DefaultMinLogLevel());
}
TEST(TestGlobals, StderrThreshold) {
EXPECT_EQ(absl::StderrThreshold(), DefaultStderrThreshold());
absl::SetStderrThreshold(absl::LogSeverityAtLeast::kError);
EXPECT_EQ(absl::StderrThreshold(), absl::LogSeverityAtLeast::kError);
absl::SetStderrThreshold(DefaultStderrThreshold());
}
TEST(TestGlobals, ScopedStderrThreshold) {
EXPECT_EQ(absl::StderrThreshold(), DefaultStderrThreshold());
{
absl::ScopedStderrThreshold scoped_stderr_threshold(
absl::LogSeverityAtLeast::kError);
EXPECT_EQ(absl::StderrThreshold(), absl::LogSeverityAtLeast::kError);
}
EXPECT_EQ(absl::StderrThreshold(), DefaultStderrThreshold());
}
TEST(TestGlobals, LogBacktraceAt) {
EXPECT_FALSE(absl::log_internal::ShouldLogBacktraceAt("some_file.cc", 111));
absl::SetLogBacktraceLocation("some_file.cc", 111);
EXPECT_TRUE(absl::log_internal::ShouldLogBacktraceAt("some_file.cc", 111));
EXPECT_FALSE(
absl::log_internal::ShouldLogBacktraceAt("another_file.cc", 222));
}
TEST(TestGlobals, LogPrefix) {
EXPECT_TRUE(absl::ShouldPrependLogPrefix());
absl::EnableLogPrefix(false);
EXPECT_FALSE(absl::ShouldPrependLogPrefix());
absl::EnableLogPrefix(true);
EXPECT_TRUE(absl::ShouldPrependLogPrefix());
}
TEST(TestGlobals, SetGlobalVLogLevel) {
EXPECT_EQ(absl::SetGlobalVLogLevel(42), 0);
EXPECT_EQ(absl::SetGlobalVLogLevel(1337), 42);
// Restore the value since it affects the default unset module value for
// `SetVLogLevel()`.
EXPECT_EQ(absl::SetGlobalVLogLevel(0), 1337);
}
TEST(TestGlobals, SetVLogLevel) {
EXPECT_EQ(absl::SetVLogLevel("setvloglevel", 42), 0);
EXPECT_EQ(absl::SetVLogLevel("setvloglevel", 1337), 42);
EXPECT_EQ(absl::SetVLogLevel("othersetvloglevel", 50), 0);
}
TEST(TestGlobals, AndroidLogTag) {
// Verify invalid tags result in a check failure.
EXPECT_DEATH_IF_SUPPORTED(absl::SetAndroidNativeTag(nullptr), ".*");
// Verify valid tags applied.
EXPECT_THAT(absl::log_internal::GetAndroidNativeTag(), StrEq("native"));
absl::SetAndroidNativeTag("test_tag");
EXPECT_THAT(absl::log_internal::GetAndroidNativeTag(), StrEq("test_tag"));
// Verify that additional calls (more than 1) result in a check failure.
EXPECT_DEATH_IF_SUPPORTED(absl::SetAndroidNativeTag("test_tag_fail"), ".*");
}
TEST(TestExitOnDFatal, OffTest) {
// Turn off...
absl::log_internal::SetExitOnDFatal(false);
EXPECT_FALSE(absl::log_internal::ExitOnDFatal());
// We don't die.
{
absl::ScopedMockLog log(absl::MockLogDefault::kDisallowUnexpected);
// LOG(DFATAL) has severity FATAL if debugging, but is
// downgraded to ERROR if not debugging.
EXPECT_CALL(log, Log(absl::kLogDebugFatal, _, "This should not be fatal"));
log.StartCapturingLogs();
LOG(DFATAL) << "This should not be fatal";
}
}
#if GTEST_HAS_DEATH_TEST
TEST(TestDeathWhileExitOnDFatal, OnTest) {
absl::log_internal::SetExitOnDFatal(true);
EXPECT_TRUE(absl::log_internal::ExitOnDFatal());
// Death comes on little cats' feet.
EXPECT_DEBUG_DEATH({ LOG(DFATAL) << "This should be fatal in debug mode"; },
"This should be fatal in debug mode");
}
#endif
} // namespace
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