log/internal/test_helpers.h

0001 // Copyright 2022 The Abseil Authors.
0002 //
0003 // Licensed under the Apache License, Version 2.0 (the "License");
0004 // you may not use this file except in compliance with the License.
0005 // You may obtain a copy of the License at
0006 //
0007 //      https://www.apache.org/licenses/LICENSE-2.0
0008 //
0009 // Unless required by applicable law or agreed to in writing, software
0010 // distributed under the License is distributed on an "AS IS" BASIS,
0011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0012 // See the License for the specific language governing permissions and
0013 // limitations under the License.
0014 //
0015 // -----------------------------------------------------------------------------
0016 // File: log/internal/test_helpers.h
0017 // -----------------------------------------------------------------------------
0018 //
0019 // This file declares testing helpers for the logging library.
0020
0021 #ifndef ABSL_LOG_INTERNAL_TEST_HELPERS_H_
0022 #define ABSL_LOG_INTERNAL_TEST_HELPERS_H_
0023
0024 #include "gtest/gtest.h"
0025 #include "absl/base/config.h"
0026 #include "absl/base/log_severity.h"
0027 #include "absl/log/globals.h"
0028
0029 namespace absl {
0030 ABSL_NAMESPACE_BEGIN
0031 namespace log_internal {
0032
0033 // `ABSL_MIN_LOG_LEVEL` can't be used directly since it is not always defined.
0034 constexpr auto kAbslMinLogLevel =
0035 #ifdef ABSL_MIN_LOG_LEVEL
0036     static_cast<absl::LogSeverityAtLeast>(ABSL_MIN_LOG_LEVEL);
0037 #else
0038     absl::LogSeverityAtLeast::kInfo;
0039 #endif
0040
0041 // Returns false if the specified severity level is disabled by
0042 // `ABSL_MIN_LOG_LEVEL` or `absl::MinLogLevel()`.
0043 bool LoggingEnabledAt(absl::LogSeverity severity);
0044
0045 // -----------------------------------------------------------------------------
0046 // Googletest Death Test Predicates
0047 // -----------------------------------------------------------------------------
0048
0049 #if GTEST_HAS_DEATH_TEST
0050
0051 bool DiedOfFatal(int exit_status);
0052 bool DiedOfQFatal(int exit_status);
0053
0054 #endif
0055
0056 // -----------------------------------------------------------------------------
0057 // Helper for Log initialization in test
0058 // -----------------------------------------------------------------------------
0059
0060 class LogTestEnvironment : public ::testing::Environment {
0061  public:
0062   ~LogTestEnvironment() override = default;
0063
0064   void SetUp() override;
0065 };
0066
0067 }  // namespace log_internal
0068 ABSL_NAMESPACE_END
0069 }  // namespace absl
0070
0071 #endif  // ABSL_LOG_INTERNAL_TEST_HELPERS_H_