// Copyright 2018 The Prometheus Authors // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package collector import ( "context" "testing" "github.com/DATA-DOG/go-sqlmock" "github.com/prometheus/client_golang/prometheus" dto "github.com/prometheus/client_model/go" "github.com/prometheus/common/promslog" "github.com/smartystreets/goconvey/convey" ) func TestScrapeGlobalStatus(t *testing.T) { db, mock, err := sqlmock.New() if err != nil { t.Fatalf("error opening a stub database connection: %s", err) } defer db.Close() inst := &instance{db: db} columns := []string{"Variable_name", "Value"} rows := sqlmock.NewRows(columns). AddRow("Com_alter_db", "1"). AddRow("Com_show_status", "2"). AddRow("Com_select", "3"). AddRow("Connection_errors_internal", "4"). AddRow("Handler_commit", "5"). AddRow("Innodb_buffer_pool_pages_data", "6"). AddRow("Innodb_buffer_pool_pages_flushed", "7"). AddRow("Innodb_buffer_pool_pages_dirty", "7"). AddRow("Innodb_buffer_pool_pages_free", "8"). AddRow("Innodb_buffer_pool_pages_misc", "9"). AddRow("Innodb_buffer_pool_pages_old", "10"). AddRow("Innodb_buffer_pool_pages_total", "11"). AddRow("Innodb_buffer_pool_pages_lru_flushed", "13"). AddRow("Innodb_buffer_pool_pages_made_not_young", "14"). AddRow("Innodb_buffer_pool_pages_made_young", "15"). AddRow("Innodb_rows_read", "8"). AddRow("Performance_schema_users_lost", "9"). AddRow("Slave_running", "OFF"). AddRow("Ssl_version", ""). AddRow("Uptime", "10"). AddRow("validate_password.dictionary_file_words_count", "11"). AddRow("wsrep_cluster_status", "Primary"). AddRow("wsrep_local_state_uuid", "6c06e583-686f-11e6-b9e3-8336ad58138c"). AddRow("wsrep_cluster_state_uuid", "6c06e583-686f-11e6-b9e3-8336ad58138c"). AddRow("wsrep_provider_version", "3.16(r5c765eb)"). AddRow("wsrep_evs_repl_latency", "0.000227664/0.00034135/0.000544298/6.03708e-05/212") mock.ExpectQuery(sanitizeQuery(globalStatusQuery)).WillReturnRows(rows) ch := make(chan prometheus.Metric) go func() { if err = (ScrapeGlobalStatus{}).Scrape(context.Background(), inst, ch, promslog.NewNopLogger()); err != nil { t.Errorf("error calling function on test: %s", err) } close(ch) }() counterExpected := []MetricResult{ {labels: labelMap{"command": "alter_db"}, value: 1, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"command": "show_status"}, value: 2, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"command": "select"}, value: 3, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"error": "internal"}, value: 4, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"handler": "commit"}, value: 5, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"state": "data"}, value: 6, metricType: dto.MetricType_GAUGE}, {labels: labelMap{"operation": "flushed"}, value: 7, metricType: dto.MetricType_COUNTER}, {labels: labelMap{}, value: 7, metricType: dto.MetricType_GAUGE}, {labels: labelMap{"state": "free"}, value: 8, metricType: dto.MetricType_GAUGE}, {labels: labelMap{"state": "misc"}, value: 9, metricType: dto.MetricType_GAUGE}, {labels: labelMap{"state": "old"}, value: 10, metricType: dto.MetricType_GAUGE}, //{labels: labelMap{"state": "total_pages"}, value: 11, metricType: dto.MetricType_GAUGE}, {labels: labelMap{"operation": "lru_flushed"}, value: 13, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"operation": "made_not_young"}, value: 14, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"operation": "made_young"}, value: 15, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"operation": "read"}, value: 8, metricType: dto.MetricType_COUNTER}, {labels: labelMap{"instrumentation": "users_lost"}, value: 9, metricType: dto.MetricType_COUNTER}, {labels: labelMap{}, value: 0, metricType: dto.MetricType_UNTYPED}, {labels: labelMap{}, value: 10, metricType: dto.MetricType_UNTYPED}, {labels: labelMap{}, value: 11, metricType: dto.MetricType_UNTYPED}, {labels: labelMap{}, value: 1, metricType: dto.MetricType_UNTYPED}, {labels: labelMap{"wsrep_local_state_uuid": "6c06e583-686f-11e6-b9e3-8336ad58138c", "wsrep_cluster_state_uuid": "6c06e583-686f-11e6-b9e3-8336ad58138c", "wsrep_provider_version": "3.16(r5c765eb)"}, value: 1, metricType: dto.MetricType_GAUGE}, {labels: labelMap{}, value: 0.000227664, metricType: dto.MetricType_GAUGE}, {labels: labelMap{}, value: 0.00034135, metricType: dto.MetricType_GAUGE}, {labels: labelMap{}, value: 0.000544298, metricType: dto.MetricType_GAUGE}, {labels: labelMap{}, value: 6.03708e-05, metricType: dto.MetricType_GAUGE}, {labels: labelMap{}, value: 212, metricType: dto.MetricType_GAUGE}, } convey.Convey("Metrics comparison", t, func() { for _, expect := range counterExpected { got := readMetric(<-ch) convey.So(got, convey.ShouldResemble, expect) } }) // Ensure all SQL queries were executed if err := mock.ExpectationsWereMet(); err != nil { t.Errorf("there were unfulfilled exceptions: %s", err) } }