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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_impl.h"
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <utility>
#include "base/base64.h"
#include "base/metrics/metrics_hashes.h"
#include "components/prefs/testing_pref_service.h"
#include "components/rappor/byte_vector_utils.h"
#include "components/rappor/proto/rappor_metric.pb.h"
#include "components/rappor/public/rappor_parameters.h"
#include "components/rappor/rappor_pref_names.h"
#include "components/rappor/test_log_uploader.h"
#include "components/rappor/test_rappor_service.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace rappor {
TEST(RapporServiceImplTest, Update) {
// Test rappor service initially has uploading and reporting enabled.
TestRapporServiceImpl rappor_service;
EXPECT_LT(base::TimeDelta(), rappor_service.next_rotation());
EXPECT_TRUE(rappor_service.test_uploader()->is_running());
// Disabling both should stop both uploads and reports.
rappor_service.Update(false, false);
EXPECT_EQ(base::TimeDelta(), rappor_service.next_rotation());
EXPECT_FALSE(rappor_service.test_uploader()->is_running());
// Recording, but no reporting.
rappor_service.Update(true, false);
// Reports generation should still be scheduled.
EXPECT_LT(base::TimeDelta(), rappor_service.next_rotation());
EXPECT_FALSE(rappor_service.test_uploader()->is_running());
// Recording and reporting enabled.
rappor_service.Update(true, true);
EXPECT_LT(base::TimeDelta(), rappor_service.next_rotation());
EXPECT_TRUE(rappor_service.test_uploader()->is_running());
}
// Check that samples can be recorded and exported.
TEST(RapporServiceImplTest, RecordAndExportMetrics) {
TestRapporServiceImpl rappor_service;
// Multiple samples for the same metric should only generate one report.
rappor_service.RecordSampleString("MyMetric", ETLD_PLUS_ONE_RAPPOR_TYPE,
"foo");
rappor_service.RecordSampleString("MyMetric", ETLD_PLUS_ONE_RAPPOR_TYPE,
"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());
// ETLD_PLUS_ONE_RAPPOR_TYPE has 128 bits
EXPECT_EQ(16u, report.bits().size());
}
// Check that reporting_enabled_ is respected.
TEST(RapporServiceImplTest, UmaRecordingGroup) {
TestRapporServiceImpl rappor_service;
rappor_service.Update(false, false);
// Reporting disabled.
rappor_service.RecordSampleString("UmaMetric", UMA_RAPPOR_TYPE, "foo");
RapporReports reports;
rappor_service.GetReports(&reports);
EXPECT_EQ(0, reports.report_size());
}
// Check that GetRecordedSampleForMetric works as expected.
TEST(RapporServiceImplTest, GetRecordedSampleForMetric) {
TestRapporServiceImpl rappor_service;
// Multiple samples for the same metric; only the latest is remembered.
rappor_service.RecordSampleString("MyMetric", ETLD_PLUS_ONE_RAPPOR_TYPE,
"foo");
rappor_service.RecordSampleString("MyMetric", ETLD_PLUS_ONE_RAPPOR_TYPE,
"bar");
std::string sample;
RapporType type;
EXPECT_FALSE(
rappor_service.GetRecordedSampleForMetric("WrongMetric", &sample, &type));
EXPECT_TRUE(
rappor_service.GetRecordedSampleForMetric("MyMetric", &sample, &type));
EXPECT_EQ("bar", sample);
EXPECT_EQ(ETLD_PLUS_ONE_RAPPOR_TYPE, type);
}
// Check that the incognito is respected.
TEST(RapporServiceImplTest, Incognito) {
TestRapporServiceImpl rappor_service;
rappor_service.set_is_incognito(true);
rappor_service.RecordSampleString("MyMetric", UMA_RAPPOR_TYPE, "foo");
RapporReports reports;
rappor_service.GetReports(&reports);
EXPECT_EQ(0, reports.report_size());
}
// Check that Sample objects record correctly.
TEST(RapporServiceImplTest, RecordSample) {
TestRapporServiceImpl rappor_service;
std::unique_ptr<Sample> sample = rappor_service.CreateSample(UMA_RAPPOR_TYPE);
sample->SetStringField("Url", "example.com");
sample->SetFlagsField("Flags1", 0xbcd, 12);
rappor_service.RecordSample("ObjMetric", std::move(sample));
uint64_t url_hash = base::HashMetricName("ObjMetric.Url");
uint64_t flags_hash = base::HashMetricName("ObjMetric.Flags1");
RapporReports reports;
rappor_service.GetReports(&reports);
EXPECT_EQ(2, reports.report_size());
size_t url_index = reports.report(0).name_hash() == url_hash ? 0 : 1;
size_t flags_index = url_index == 0 ? 1 : 0;
EXPECT_EQ(url_hash, reports.report(url_index).name_hash());
EXPECT_EQ(4u, reports.report(url_index).bits().size());
EXPECT_EQ(flags_hash, reports.report(flags_index).name_hash());
EXPECT_EQ(2u, reports.report(flags_index).bits().size());
}
} // namespace rappor
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