src/google/protobuf/redaction_metric_test.cc

// Protocol Buffers - Google's data interchange format
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// https://developers.google.com/protocol-buffers/
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// Test for the redaction metric.
// Because the metric is a global variable, we have to put the tests in a
// separate file to more accurately test their values.

#include <cstdint>
#include <string>

#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "absl/strings/str_cat.h"
#include "google/protobuf/text_format.h"
#include "google/protobuf/unittest.pb.h"

namespace google {
namespace protobuf {

namespace {

using ::testing::HasSubstr;

TEST(TextFormatParsingMetricsTest, MetricsTest) {
  std::string value_replacement = "[REDACTED]";
  protobuf_unittest::RedactedFields proto;
  proto.set_optional_redacted_string("foo");
  int64_t before = internal::GetRedactedFieldCount();
  EXPECT_THAT(absl::StrCat(proto), HasSubstr(value_replacement));
  int64_t after = internal::GetRedactedFieldCount();
  EXPECT_EQ(after, before + 1);
}

}  // namespace
}  // namespace protobuf
}  // namespace google