| // 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 = { |
| 1 /* Num cohorts */, |
| 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 |