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| 1 | +// Copyright 2025 The Prometheus Authors |
| 2 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 3 | +// you may not use this file except in compliance with the License. |
| 4 | +// You may obtain a copy of the License at |
| 5 | +// |
| 6 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 7 | +// |
| 8 | +// Unless required by applicable law or agreed to in writing, software |
| 9 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 10 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 11 | +// See the License for the specific language governing permissions and |
| 12 | +// limitations under the License. |
| 13 | + |
| 14 | +package collector |
| 15 | + |
| 16 | +import ( |
| 17 | + "context" |
| 18 | + "testing" |
| 19 | + |
| 20 | + "github.com/DATA-DOG/go-sqlmock" |
| 21 | + "github.com/blang/semver/v4" |
| 22 | + "github.com/prometheus/client_golang/prometheus" |
| 23 | + dto "github.com/prometheus/client_model/go" |
| 24 | + "github.com/prometheus/common/promslog" |
| 25 | + "github.com/smartystreets/goconvey/convey" |
| 26 | +) |
| 27 | + |
| 28 | +func TestScrapePerfEventsStatements(t *testing.T) { |
| 29 | + db, mock, err := sqlmock.New() |
| 30 | + if err != nil { |
| 31 | + t.Fatalf("error opening a stub database connection: %s", err) |
| 32 | + } |
| 33 | + defer db.Close() |
| 34 | + |
| 35 | + columns := []string{ |
| 36 | + "SCHEMA_NAME", "DIGEST", "DIGEST_TEXT", |
| 37 | + "COUNT_STAR", "SUM_TIMER_WAIT", "SUM_ERRORS", "SUM_WARNINGS", |
| 38 | + "SUM_ROWS_AFFECTED", "SUM_ROWS_SENT", "SUM_ROWS_EXAMINED", |
| 39 | + "SUM_CREATED_TMP_DISK_TABLES", "SUM_CREATED_TMP_TABLES", "SUM_SORT_MERGE_PASSES", |
| 40 | + "SUM_SORT_ROWS", "SUM_NO_INDEX_USED", |
| 41 | + "QUANTILE_95", "QUANTILE_99", "QUANTILE_999", |
| 42 | + } |
| 43 | + |
| 44 | + rows := sqlmock.NewRows(columns). |
| 45 | + AddRow( |
| 46 | + "db1", "digest1", "SELECT * FROM test", |
| 47 | + 100, 1000, 1, 2, |
| 48 | + 50, 100, 150, |
| 49 | + 1, 2, 3, |
| 50 | + 100, 1, |
| 51 | + 100, 150, 200) |
| 52 | + |
| 53 | + mock.ExpectQuery(sanitizeQuery(perfEventsStatementsQuery)).WillReturnRows(rows) |
| 54 | + |
| 55 | + ch := make(chan prometheus.Metric) |
| 56 | + go func() { |
| 57 | + if err = (ScrapePerfEventsStatements{}).Scrape(context.Background(), &instance{db: db}, ch, promslog.NewNopLogger()); err != nil { |
| 58 | + t.Errorf("error calling function on test: %s", err) |
| 59 | + } |
| 60 | + close(ch) |
| 61 | + }() |
| 62 | + |
| 63 | + expected := []MetricResult{ |
| 64 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 100, metricType: dto.MetricType_COUNTER}, |
| 65 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1000 / picoSeconds, metricType: dto.MetricType_COUNTER}, |
| 66 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 0, metricType: dto.MetricType_COUNTER}, |
| 67 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 0, metricType: dto.MetricType_COUNTER}, |
| 68 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1, metricType: dto.MetricType_COUNTER}, |
| 69 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 2, metricType: dto.MetricType_COUNTER}, |
| 70 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 50, metricType: dto.MetricType_COUNTER}, |
| 71 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 100, metricType: dto.MetricType_COUNTER}, |
| 72 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 150, metricType: dto.MetricType_COUNTER}, |
| 73 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 2, metricType: dto.MetricType_COUNTER}, |
| 74 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1, metricType: dto.MetricType_COUNTER}, |
| 75 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 3, metricType: dto.MetricType_COUNTER}, |
| 76 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 100, metricType: dto.MetricType_COUNTER}, |
| 77 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1, metricType: dto.MetricType_COUNTER}, |
| 78 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1000 / picoSeconds, metricType: dto.MetricType_SUMMARY}, |
| 79 | + } |
| 80 | + |
| 81 | + convey.Convey("Metrics comparison", t, func() { |
| 82 | + for _, expect := range expected { |
| 83 | + got := readMetric(<-ch) |
| 84 | + convey.So(expect, convey.ShouldResemble, got) |
| 85 | + } |
| 86 | + }) |
| 87 | + |
| 88 | + if err := mock.ExpectationsWereMet(); err != nil { |
| 89 | + t.Errorf("there were unfulfilled expectations: %s", err) |
| 90 | + } |
| 91 | +} |
| 92 | + |
| 93 | +func TestScrapePerfEventsStatementsMySQL8028(t *testing.T) { |
| 94 | + db, mock, err := sqlmock.New() |
| 95 | + if err != nil { |
| 96 | + t.Fatalf("error opening a stub database connection: %s", err) |
| 97 | + } |
| 98 | + defer db.Close() |
| 99 | + |
| 100 | + inst := &instance{ |
| 101 | + db: db, |
| 102 | + flavor: FlavorMySQL, |
| 103 | + version: semver.MustParse("8.0.28"), |
| 104 | + } |
| 105 | + |
| 106 | + columns := []string{ |
| 107 | + "SCHEMA_NAME", "DIGEST", "DIGEST_TEXT", |
| 108 | + "COUNT_STAR", "SUM_TIMER_WAIT", |
| 109 | + "SUM_LOCK_TIME", "SUM_CPU_TIME", |
| 110 | + "SUM_ERRORS", "SUM_WARNINGS", |
| 111 | + "SUM_ROWS_AFFECTED", "SUM_ROWS_SENT", "SUM_ROWS_EXAMINED", |
| 112 | + "SUM_CREATED_TMP_DISK_TABLES", "SUM_CREATED_TMP_TABLES", "SUM_SORT_MERGE_PASSES", |
| 113 | + "SUM_SORT_ROWS", "SUM_NO_INDEX_USED", |
| 114 | + "QUANTILE_95", "QUANTILE_99", "QUANTILE_999", |
| 115 | + } |
| 116 | + |
| 117 | + rows := sqlmock.NewRows(columns). |
| 118 | + AddRow( |
| 119 | + "db1", "digest1", "SELECT * FROM test", |
| 120 | + 100, 1000, |
| 121 | + 30, 50, |
| 122 | + 1, 2, |
| 123 | + 50, 100, 150, |
| 124 | + 1, 2, 3, |
| 125 | + 100, 1, |
| 126 | + 100, 150, 200) |
| 127 | + |
| 128 | + mock.ExpectQuery(sanitizeQuery(perfEventsStatementsQueryMySQL)).WillReturnRows(rows) |
| 129 | + |
| 130 | + ch := make(chan prometheus.Metric) |
| 131 | + go func() { |
| 132 | + if err = (ScrapePerfEventsStatements{}).Scrape(context.Background(), inst, ch, promslog.NewNopLogger()); err != nil { |
| 133 | + t.Errorf("error calling function on test: %s", err) |
| 134 | + } |
| 135 | + close(ch) |
| 136 | + }() |
| 137 | + |
| 138 | + expected := []MetricResult{ |
| 139 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 100, metricType: dto.MetricType_COUNTER}, |
| 140 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1000 / picoSeconds, metricType: dto.MetricType_COUNTER}, |
| 141 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 30 / picoSeconds, metricType: dto.MetricType_COUNTER}, |
| 142 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 50 / picoSeconds, metricType: dto.MetricType_COUNTER}, |
| 143 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1, metricType: dto.MetricType_COUNTER}, |
| 144 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 2, metricType: dto.MetricType_COUNTER}, |
| 145 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 50, metricType: dto.MetricType_COUNTER}, |
| 146 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 100, metricType: dto.MetricType_COUNTER}, |
| 147 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 150, metricType: dto.MetricType_COUNTER}, |
| 148 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 2, metricType: dto.MetricType_COUNTER}, |
| 149 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1, metricType: dto.MetricType_COUNTER}, |
| 150 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 3, metricType: dto.MetricType_COUNTER}, |
| 151 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 100, metricType: dto.MetricType_COUNTER}, |
| 152 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1, metricType: dto.MetricType_COUNTER}, |
| 153 | + {labels: labelMap{"schema": "db1", "digest": "digest1", "digest_text": "SELECT * FROM test"}, value: 1000 / picoSeconds, metricType: dto.MetricType_SUMMARY}, |
| 154 | + } |
| 155 | + |
| 156 | + convey.Convey("MySQL 8.0.28+ metrics comparison", t, func() { |
| 157 | + for _, expect := range expected { |
| 158 | + got := readMetric(<-ch) |
| 159 | + convey.So(expect, convey.ShouldResemble, got) |
| 160 | + } |
| 161 | + }) |
| 162 | + |
| 163 | + if err := mock.ExpectationsWereMet(); err != nil { |
| 164 | + t.Errorf("there were unfulfilled expectations: %s", err) |
| 165 | + } |
| 166 | +} |
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