Abseil Common Libraries (C++) (grcp 依赖)
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90 lines
3.0 KiB
90 lines
3.0 KiB
// 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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