Bertrand SIMONNET | 52e5b99 | 2015-08-10 15:18:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Alex Vakulenko | 788d3b6 | 2014-12-11 09:48:46 -0800 | [diff] [blame] | 16 | |
Bertrand SIMONNET | 4b915ae | 2015-07-28 15:38:14 -0700 | [diff] [blame] | 17 | #include "uploader/metrics_log_base.h" |
Alex Vakulenko | 788d3b6 | 2014-12-11 09:48:46 -0800 | [diff] [blame] | 18 | |
| 19 | #include <string> |
| 20 | |
Alex Vakulenko | 788d3b6 | 2014-12-11 09:48:46 -0800 | [diff] [blame] | 21 | #include <base/metrics/bucket_ranges.h> |
| 22 | #include <base/metrics/sample_vector.h> |
| 23 | #include <gtest/gtest.h> |
| 24 | |
Bertrand SIMONNET | 4b915ae | 2015-07-28 15:38:14 -0700 | [diff] [blame] | 25 | #include "uploader/proto/chrome_user_metrics_extension.pb.h" |
Alex Vakulenko | 788d3b6 | 2014-12-11 09:48:46 -0800 | [diff] [blame] | 26 | |
| 27 | namespace metrics { |
| 28 | |
| 29 | namespace { |
| 30 | |
| 31 | class TestMetricsLogBase : public MetricsLogBase { |
| 32 | public: |
| 33 | TestMetricsLogBase() |
| 34 | : MetricsLogBase("client_id", 1, MetricsLogBase::ONGOING_LOG, "1.2.3.4") { |
| 35 | } |
| 36 | virtual ~TestMetricsLogBase() {} |
| 37 | |
| 38 | using MetricsLogBase::uma_proto; |
| 39 | |
| 40 | private: |
| 41 | DISALLOW_COPY_AND_ASSIGN(TestMetricsLogBase); |
| 42 | }; |
| 43 | |
| 44 | } // namespace |
| 45 | |
| 46 | TEST(MetricsLogBaseTest, LogType) { |
| 47 | MetricsLogBase log1("id", 0, MetricsLogBase::ONGOING_LOG, "1.2.3"); |
| 48 | EXPECT_EQ(MetricsLogBase::ONGOING_LOG, log1.log_type()); |
| 49 | |
| 50 | MetricsLogBase log2("id", 0, MetricsLogBase::INITIAL_STABILITY_LOG, "1.2.3"); |
| 51 | EXPECT_EQ(MetricsLogBase::INITIAL_STABILITY_LOG, log2.log_type()); |
| 52 | } |
| 53 | |
| 54 | TEST(MetricsLogBaseTest, EmptyRecord) { |
| 55 | MetricsLogBase log("totally bogus client ID", 137, |
| 56 | MetricsLogBase::ONGOING_LOG, "bogus version"); |
| 57 | log.set_hardware_class("sample-class"); |
| 58 | log.CloseLog(); |
| 59 | |
| 60 | std::string encoded; |
| 61 | log.GetEncodedLog(&encoded); |
| 62 | |
| 63 | // A couple of fields are hard to mock, so these will be copied over directly |
| 64 | // for the expected output. |
| 65 | metrics::ChromeUserMetricsExtension parsed; |
| 66 | ASSERT_TRUE(parsed.ParseFromString(encoded)); |
| 67 | |
| 68 | metrics::ChromeUserMetricsExtension expected; |
| 69 | expected.set_client_id(5217101509553811875); // Hashed bogus client ID |
| 70 | expected.set_session_id(137); |
| 71 | expected.mutable_system_profile()->set_build_timestamp( |
| 72 | parsed.system_profile().build_timestamp()); |
| 73 | expected.mutable_system_profile()->set_app_version("bogus version"); |
| 74 | expected.mutable_system_profile()->mutable_hardware()->set_hardware_class( |
| 75 | "sample-class"); |
| 76 | |
| 77 | EXPECT_EQ(expected.SerializeAsString(), encoded); |
| 78 | } |
| 79 | |
| 80 | TEST(MetricsLogBaseTest, HistogramBucketFields) { |
| 81 | // Create buckets: 1-5, 5-7, 7-8, 8-9, 9-10, 10-11, 11-12. |
| 82 | base::BucketRanges ranges(8); |
| 83 | ranges.set_range(0, 1); |
| 84 | ranges.set_range(1, 5); |
| 85 | ranges.set_range(2, 7); |
| 86 | ranges.set_range(3, 8); |
| 87 | ranges.set_range(4, 9); |
| 88 | ranges.set_range(5, 10); |
| 89 | ranges.set_range(6, 11); |
| 90 | ranges.set_range(7, 12); |
| 91 | |
| 92 | base::SampleVector samples(&ranges); |
| 93 | samples.Accumulate(3, 1); // Bucket 1-5. |
| 94 | samples.Accumulate(6, 1); // Bucket 5-7. |
| 95 | samples.Accumulate(8, 1); // Bucket 8-9. (7-8 skipped) |
| 96 | samples.Accumulate(10, 1); // Bucket 10-11. (9-10 skipped) |
| 97 | samples.Accumulate(11, 1); // Bucket 11-12. |
| 98 | |
| 99 | TestMetricsLogBase log; |
| 100 | log.RecordHistogramDelta("Test", samples); |
| 101 | |
| 102 | const metrics::ChromeUserMetricsExtension* uma_proto = log.uma_proto(); |
| 103 | const metrics::HistogramEventProto& histogram_proto = |
| 104 | uma_proto->histogram_event(uma_proto->histogram_event_size() - 1); |
| 105 | |
| 106 | // Buckets with samples: 1-5, 5-7, 8-9, 10-11, 11-12. |
| 107 | // Should become: 1-/, 5-7, /-9, 10-/, /-12. |
| 108 | ASSERT_EQ(5, histogram_proto.bucket_size()); |
| 109 | |
| 110 | // 1-5 becomes 1-/ (max is same as next min). |
| 111 | EXPECT_TRUE(histogram_proto.bucket(0).has_min()); |
| 112 | EXPECT_FALSE(histogram_proto.bucket(0).has_max()); |
| 113 | EXPECT_EQ(1, histogram_proto.bucket(0).min()); |
| 114 | |
| 115 | // 5-7 stays 5-7 (no optimization possible). |
| 116 | EXPECT_TRUE(histogram_proto.bucket(1).has_min()); |
| 117 | EXPECT_TRUE(histogram_proto.bucket(1).has_max()); |
| 118 | EXPECT_EQ(5, histogram_proto.bucket(1).min()); |
| 119 | EXPECT_EQ(7, histogram_proto.bucket(1).max()); |
| 120 | |
| 121 | // 8-9 becomes /-9 (min is same as max - 1). |
| 122 | EXPECT_FALSE(histogram_proto.bucket(2).has_min()); |
| 123 | EXPECT_TRUE(histogram_proto.bucket(2).has_max()); |
| 124 | EXPECT_EQ(9, histogram_proto.bucket(2).max()); |
| 125 | |
| 126 | // 10-11 becomes 10-/ (both optimizations apply, omit max is prioritized). |
| 127 | EXPECT_TRUE(histogram_proto.bucket(3).has_min()); |
| 128 | EXPECT_FALSE(histogram_proto.bucket(3).has_max()); |
| 129 | EXPECT_EQ(10, histogram_proto.bucket(3).min()); |
| 130 | |
| 131 | // 11-12 becomes /-12 (last record must keep max, min is same as max - 1). |
| 132 | EXPECT_FALSE(histogram_proto.bucket(4).has_min()); |
| 133 | EXPECT_TRUE(histogram_proto.bucket(4).has_max()); |
| 134 | EXPECT_EQ(12, histogram_proto.bucket(4).max()); |
| 135 | } |
| 136 | |
| 137 | } // namespace metrics |