Abseil Common Libraries (C++) (grcp 依赖)
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91 lines
3.0 KiB
91 lines
3.0 KiB
2 years ago
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// Copyright 2022 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// -----------------------------------------------------------------------------
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// File: log/internal/test_actions.h
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// -----------------------------------------------------------------------------
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//
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// This file declares Googletest's actions used in the Abseil Logging library
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// unit tests.
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#ifndef ABSL_LOG_INTERNAL_TEST_ACTIONS_H_
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#define ABSL_LOG_INTERNAL_TEST_ACTIONS_H_
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#include <iostream>
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#include <ostream>
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#include <string>
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#include "absl/base/config.h"
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#include "absl/base/log_severity.h"
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#include "absl/log/log_entry.h"
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#include "absl/strings/string_view.h"
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace log_internal {
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// These actions are used by the child process in a death test.
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//
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// Expectations set in the child cannot cause test failure in the parent
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// directly. Instead, the child can use these actions with
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// `EXPECT_CALL`/`WillOnce` and `ON_CALL`/`WillByDefault` (for unexpected calls)
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// to write messages to stderr that the parent can match against.
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struct WriteToStderr final {
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explicit WriteToStderr(absl::string_view m) : message(m) {}
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std::string message;
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template <typename... Args>
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void operator()(const Args&...) const {
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std::cerr << message << std::endl;
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}
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};
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struct WriteToStderrWithFilename final {
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explicit WriteToStderrWithFilename(absl::string_view m) : message(m) {}
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std::string message;
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void operator()(const absl::LogEntry& entry) const;
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};
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struct WriteEntryToStderr final {
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explicit WriteEntryToStderr(absl::string_view m) : message(m) {}
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std::string message = "";
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void operator()(const absl::LogEntry& entry) const;
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void operator()(absl::LogSeverity, absl::string_view,
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absl::string_view) const;
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};
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// See the documentation for `DeathTestValidateExpectations` above.
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// `DeathTestExpectedLogging` should be used once in a given death test, and the
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// applicable severity level is the one that should be passed to
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// `DeathTestValidateExpectations`.
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inline WriteEntryToStderr DeathTestExpectedLogging() {
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return WriteEntryToStderr{"Mock received expected entry:"};
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}
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// `DeathTestUnexpectedLogging` should be used zero or more times to mark
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// messages that should not hit the logs as the process dies.
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inline WriteEntryToStderr DeathTestUnexpectedLogging() {
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return WriteEntryToStderr{"Mock received unexpected entry:"};
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}
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} // namespace log_internal
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ABSL_NAMESPACE_END
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} // namespace absl
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#endif // ABSL_LOG_INTERNAL_TEST_ACTIONS_H_
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