You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tailscale/util/usermetric/usermetric_test.go

26 lines
472 B
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package usermetric
import (
"bytes"
"testing"
)
func TestGauge(t *testing.T) {
g := NewGauge("test_gauge", "This is a test gauge")
g.Set(15)
var buf bytes.Buffer
g.WritePrometheus(&buf, "test_gauge")
const want = `# TYPE test_gauge gauge
# HELP test_gauge This is a test gauge
test_gauge 15
`
if got := buf.String(); got != want {
t.Errorf("got %q; want %q", got, want)
}
}