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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/rappor/rappor_service.h"
#include "components/rappor/byte_vector_utils.h"
#include "components/rappor/proto/rappor_metric.pb.h"
#include "components/rappor/rappor_parameters.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace rappor {
class TestRapporService : public RapporService {
public:
void GetReports(RapporReports* reports) {
ExportMetrics(reports);
}
void TestRecordSample(const std::string& metric_name,
const RapporParameters& parameters,
const std::string& sample) {
RecordSampleInternal(metric_name, parameters, sample);
}
};
TEST(RapporServiceTest, RecordAndExportMetrics) {
const RapporParameters kTestRapporParameters = {
16 /* Bloom filter size bytes */,
4 /* Bloom filter hash count */,
PROBABILITY_75 /* Fake data probability */,
PROBABILITY_50 /* Fake one probability */,
PROBABILITY_75 /* One coin probability */,
PROBABILITY_50 /* Zero coin probability */};
TestRapporService rappor_service;
rappor_service.SetCohortForTesting(0);
rappor_service.SetSecretForTesting(
HmacByteVectorGenerator::GenerateEntropyInput());
rappor_service.TestRecordSample("MyMetric", kTestRapporParameters, "foo");
rappor_service.TestRecordSample("MyMetric", kTestRapporParameters, "bar");
RapporReports reports;
rappor_service.GetReports(&reports);
EXPECT_EQ(1, reports.report_size());
const RapporReports::Report& report = reports.report(0);
EXPECT_TRUE(report.name_hash());
EXPECT_EQ(16u, report.bits().size());
}
} // namespace rappor
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