1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/rappor/rappor_service.h"
6
7 #include "components/rappor/byte_vector_utils.h"
8 #include "components/rappor/proto/rappor_metric.pb.h"
9 #include "components/rappor/rappor_parameters.h"
10 #include "testing/gtest/include/gtest/gtest.h"
11
12 namespace rappor {
13
14 class TestRapporService : public RapporService {
15 public:
GetReports(RapporReports * reports)16 void GetReports(RapporReports* reports) {
17 ExportMetrics(reports);
18 }
TestRecordSample(const std::string & metric_name,const RapporParameters & parameters,const std::string & sample)19 void TestRecordSample(const std::string& metric_name,
20 const RapporParameters& parameters,
21 const std::string& sample) {
22 RecordSampleInternal(metric_name, parameters, sample);
23 }
24 };
25
TEST(RapporServiceTest,RecordAndExportMetrics)26 TEST(RapporServiceTest, RecordAndExportMetrics) {
27 const RapporParameters kTestRapporParameters = {
28 1 /* Num cohorts */,
29 16 /* Bloom filter size bytes */,
30 4 /* Bloom filter hash count */,
31 PROBABILITY_75 /* Fake data probability */,
32 PROBABILITY_50 /* Fake one probability */,
33 PROBABILITY_75 /* One coin probability */,
34 PROBABILITY_50 /* Zero coin probability */};
35
36 TestRapporService rappor_service;
37 rappor_service.SetCohortForTesting(0);
38 rappor_service.SetSecretForTesting(
39 HmacByteVectorGenerator::GenerateEntropyInput());
40
41 rappor_service.TestRecordSample("MyMetric", kTestRapporParameters, "foo");
42 rappor_service.TestRecordSample("MyMetric", kTestRapporParameters, "bar");
43
44 RapporReports reports;
45 rappor_service.GetReports(&reports);
46 EXPECT_EQ(1, reports.report_size());
47
48 const RapporReports::Report& report = reports.report(0);
49 EXPECT_TRUE(report.name_hash());
50 EXPECT_EQ(16u, report.bits().size());
51 }
52
53 } // namespace rappor
54