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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/scoped_mock_log.h"
#include <atomic>
#include <string>
#include "gmock/gmock.h"
#include "absl/base/config.h"
#include "absl/base/internal/raw_logging.h"
#include "absl/log/log_entry.h"
#include "absl/log/log_sink.h"
#include "absl/log/log_sink_registry.h"
#include "absl/strings/string_view.h"
namespace absl {
ABSL_NAMESPACE_BEGIN
ScopedMockLog::ScopedMockLog(MockLogDefault default_exp)
: sink_(this), is_capturing_logs_(false), is_triggered_(false) {
if (default_exp == MockLogDefault::kIgnoreUnexpected) {
// Ignore all calls to Log we did not set expectations for.
EXPECT_CALL(*this, Log).Times(::testing::AnyNumber());
} else {
// Disallow all calls to Log we did not set expectations for.
EXPECT_CALL(*this, Log).Times(0);
}
// By default Send mock forwards to Log mock.
EXPECT_CALL(*this, Send)
.Times(::testing::AnyNumber())
.WillRepeatedly([this](const absl::LogEntry& entry) {
is_triggered_.store(true, std::memory_order_relaxed);
Log(entry.log_severity(), std::string(entry.source_filename()),
std::string(entry.text_message()));
});
// By default We ignore all Flush calls.
EXPECT_CALL(*this, Flush).Times(::testing::AnyNumber());
}
ScopedMockLog::~ScopedMockLog() {
ABSL_RAW_CHECK(is_triggered_.load(std::memory_order_relaxed),
"Did you forget to call StartCapturingLogs()?");
if (is_capturing_logs_) StopCapturingLogs();
}
void ScopedMockLog::StartCapturingLogs() {
ABSL_RAW_CHECK(!is_capturing_logs_,
"StartCapturingLogs() can be called only when the "
"absl::ScopedMockLog object is not capturing logs.");
is_capturing_logs_ = true;
is_triggered_.store(true, std::memory_order_relaxed);
absl::AddLogSink(&sink_);
}
void ScopedMockLog::StopCapturingLogs() {
ABSL_RAW_CHECK(is_capturing_logs_,
"StopCapturingLogs() can be called only when the "
"absl::ScopedMockLog object is capturing logs.");
is_capturing_logs_ = false;
absl::RemoveLogSink(&sink_);
}
absl::LogSink& ScopedMockLog::UseAsLocalSink() {
is_triggered_.store(true, std::memory_order_relaxed);
return sink_;
}
ABSL_NAMESPACE_END
} // namespace absl
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