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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/attribution_reporting/registration_info.h"
#include <string_view>
#include "base/test/gmock_expected_support.h"
#include "base/test/metrics/histogram_tester.h"
#include "components/attribution_reporting/registrar.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/fuzztest/src/fuzztest/fuzztest.h"
namespace attribution_reporting {
namespace {
using ::base::test::ErrorIs;
using ::base::test::ValueIs;
TEST(RegistrationInfoTest, ParseInfo) {
const struct {
const char* description;
std::string_view header;
::testing::Matcher<base::expected<RegistrationInfo, RegistrationInfoError>>
matches;
} kTestCases[] = {
{
"empty",
"",
ValueIs(RegistrationInfo()),
},
{
"all-fields",
"preferred-platform=os,report-header-errors",
ValueIs(RegistrationInfo{
.preferred_platform = Registrar::kOs,
.report_header_errors = true,
}),
},
{
"list",
R"("foo", "bar")",
ErrorIs(RegistrationInfoError::kRootInvalid),
},
{
"prefer-web",
"preferred-platform=web",
ValueIs(RegistrationInfo{
.preferred_platform = Registrar::kWeb,
}),
},
{
"prefer-os",
"preferred-platform=os",
ValueIs(RegistrationInfo{
.preferred_platform = Registrar::kOs,
}),
},
{
"preferred-platform-parameter-ignored",
"preferred-platform=os;abc",
ValueIs(RegistrationInfo{
.preferred_platform = Registrar::kOs,
}),
},
{
"preferred-platform-missing-value",
"preferred-platform",
ErrorIs(RegistrationInfoError::kInvalidPreferredPlatform),
},
{
"preferred-platform-unknown-value",
"preferred-platform=abc",
ErrorIs(RegistrationInfoError::kInvalidPreferredPlatform),
},
{
"preferred-platform-invalid-type",
"preferred-platform=\"os\"",
ErrorIs(RegistrationInfoError::kInvalidPreferredPlatform),
},
{
"preferred-platform-inner-list",
"preferred-platform=(foo bar)",
ErrorIs(RegistrationInfoError::kInvalidPreferredPlatform),
},
{
"unknown-field",
"unknown",
ValueIs(RegistrationInfo()),
},
{
"report-header-errors",
"report-header-errors",
ValueIs(RegistrationInfo{
.report_header_errors = true,
}),
},
{
"report-header-errors-parameter-ignored",
"report-header-errors=?0;abc",
ValueIs(RegistrationInfo{
.report_header_errors = false,
}),
},
{
"report-header-errors-invalid-type",
"report-header-errors=abc",
ErrorIs(RegistrationInfoError::kInvalidReportHeaderErrors),
},
{
"report-header-errors-inner-list",
"report-header-errors=(foo bar)",
ErrorIs(RegistrationInfoError::kInvalidReportHeaderErrors),
},
};
static constexpr char kRegistrationInfoErrorMetric[] =
"Conversions.RegistrationInfoError";
for (const auto& test_case : kTestCases) {
SCOPED_TRACE(test_case.description);
base::HistogramTester histograms;
auto info = RegistrationInfo::ParseInfo(test_case.header);
EXPECT_THAT(info, test_case.matches);
if (info.has_value()) {
histograms.ExpectTotalCount(kRegistrationInfoErrorMetric, 0);
} else {
histograms.ExpectUniqueSample(kRegistrationInfoErrorMetric, info.error(),
1);
}
}
}
void Parses(std::string_view input) {
std::ignore = RegistrationInfo::ParseInfo(input);
}
FUZZ_TEST(RegistrationInfoTest, Parses)
.WithDomains(fuzztest::Arbitrary<std::string>());
} // namespace
} // namespace attribution_reporting
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