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metrics: add LabelMap.GetIncrFunc

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Updates tailscale/corp#7354

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2023-06-30 21:53:21 -07:00
committed by Brad Fitzpatrick
parent 0a86705d59
commit 4d94d72fba
2 changed files with 20 additions and 0 deletions
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12
metrics/metrics_test.go
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@@ -11,6 +11,18 @@ import (
"tailscale.com/tstest"
)
func TestLabelMap(t *testing.T) {
var m LabelMap
m.GetIncrFunc("foo")(1)
m.GetIncrFunc("bar")(2)
if g, w := m.Get("foo").Value(), int64(1); g != w {
t.Errorf("foo = %v; want %v", g, w)
}
if g, w := m.Get("bar").Value(), int64(2); g != w {
t.Errorf("bar = %v; want %v", g, w)
}
}
func TestCurrentFileDescriptors(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skipf("skipping on %v", runtime.GOOS)