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//
// Copyright (c) 2015-2024 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
package madmin
import (
"strings"
"testing"
"github.com/prometheus/prom2json"
)
func TestParsePrometheusResultsReturnsPrometheusObjectsFromStringReader(t *testing.T) {
prometheusResults := `# HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.
# TYPE go_gc_duration_seconds summary
go_gc_duration_seconds_sum 0.248349766
go_gc_duration_seconds_count 397
`
myReader := strings.NewReader(prometheusResults)
results, err := ParsePrometheusResults(myReader)
if err != nil {
t.Errorf("error not expected, got: %v", err)
}
expectedResults := []*prom2json.Family{
{
Name: "go_gc_duration_seconds",
Type: "SUMMARY",
Help: "A summary of the pause duration of garbage collection cycles.",
Metrics: []interface{}{
prom2json.Summary{}, // We just verify length, not content
},
},
}
if len(results) != len(expectedResults) {
t.Errorf("len(results): %d not equal to len(expectedResults): %d", len(results), len(expectedResults))
}
for i, result := range results {
if result.Name != expectedResults[i].Name {
t.Errorf("result.Name: %v not equal to expectedResults[i].Name: %v", result.Name, expectedResults[i].Name)
}
if len(result.Metrics) != len(expectedResults[i].Metrics) {
t.Errorf("len(result.Metrics): %d not equal to len(expectedResults[i].Metrics): %d", len(result.Metrics), len(expectedResults[i].Metrics))
}
}
}
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