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Signed-off-by: Roman Vynar <roman.vynar@quiq.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| // 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" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/DATA-DOG/go-sqlmock" | ||
| "github.com/go-kit/log" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| dto "github.com/prometheus/client_model/go" | ||
| "github.com/smartystreets/goconvey/convey" | ||
| ) | ||
|
|
||
| func TestScrapeProcesslist(t *testing.T) { | ||
| db, mock, err := sqlmock.New() | ||
| if err != nil { | ||
| t.Fatalf("error opening a stub database connection: %s", err) | ||
| } | ||
| defer db.Close() | ||
|
|
||
| query := fmt.Sprintf(infoSchemaProcesslistQuery, 0) | ||
| columns := []string{"user", "host", "command", "state", "processes", "seconds"} | ||
| rows := sqlmock.NewRows(columns). | ||
| AddRow("manager", "10.0.7.234", "Sleep", "", 10, 87). | ||
| AddRow("foobar", "10.0.7.154", "Sleep", "", 8, 842). | ||
| AddRow("root", "10.0.7.253", "Sleep", "", 1, 20). | ||
| AddRow("feedback", "10.0.7.179", "Sleep", "", 2, 14). | ||
| AddRow("system user", "", "Connect", "waiting for handler commit", 1, 7271248). | ||
| AddRow("message", "10.0.7.234", "Sleep", "", 4, 62). | ||
| AddRow("system user", "", "Query", "Slave has read all relay log; waiting for more updates", 1, 7271248). | ||
| AddRow("event_scheduler", "localhost", "Daemon", "Waiting on empty queue", 1, 7271248) | ||
| mock.ExpectQuery(sanitizeQuery(query)).WillReturnRows(rows) | ||
|
|
||
| ch := make(chan prometheus.Metric) | ||
| go func() { | ||
| if err = (ScrapeProcesslist{}).Scrape(context.Background(), db, ch, log.NewNopLogger()); err != nil { | ||
| t.Errorf("error calling function on test: %s", err) | ||
| } | ||
| close(ch) | ||
| }() | ||
|
|
||
| expected := []MetricResult{ | ||
| {labels: labelMap{"command": "connect", "state": "waiting_for_handler_commit"}, value: 1, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "connect", "state": "waiting_for_handler_commit"}, value: 7271248, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "daemon", "state": "waiting_on_empty_queue"}, value: 1, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "daemon", "state": "waiting_on_empty_queue"}, value: 7271248, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "query", "state": "slave_has_read_all_relay_log_waiting_for_more_updates"}, value: 1, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "query", "state": "slave_has_read_all_relay_log_waiting_for_more_updates"}, value: 7271248, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "sleep", "state": "blank"}, value: 25, metricType: dto.MetricType_GAUGE}, | ||
| {labels: labelMap{"command": "sleep", "state": "blank"}, value: 1025, metricType: dto.MetricType_GAUGE}, | ||
| } | ||
| convey.Convey("Metrics comparison", t, func() { | ||
| for _, expect := range expected { | ||
| got := readMetric(<-ch) | ||
| convey.So(expect, convey.ShouldResemble, got) | ||
| } | ||
| }) | ||
|
|
||
| // Ensure all SQL queries were executed | ||
| if err := mock.ExpectationsWereMet(); err != nil { | ||
| t.Errorf("there were unfulfilled exceptions: %s", err) | ||
| } | ||
| } |