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package metrics
import "testing"
func TestGetMaxFilesLimit(t *testing.T) {
f := func(want uint64, path string, wantErr bool) {
t.Helper()
got, err := getMaxFilesLimit(path)
if err != nil && !wantErr {
t.Fatalf("unexpected error: %v", err)
}
if got != want {
t.Fatalf("unexpected result: %d, want: %d at getMaxFilesLimit", got, want)
}
}
f(1024, "testdata/limits", false)
f(0, "testdata/bad_path", true)
f(0, "testdata/limits_bad", true)
}
func TestGetOpenFDsCount(t *testing.T) {
f := func(want uint64, path string, wantErr bool) {
t.Helper()
got, err := getOpenFDsCount(path)
if (err != nil && !wantErr) || (err == nil && wantErr) {
t.Fatalf("unexpected error: %v", err)
}
if got != want {
t.Fatalf("unexpected result: %d, want: %d at getOpenFDsCount", got, want)
}
}
f(5, "testdata/fd/", false)
f(0, "testdata/fd/0", true)
f(0, "testdata/limits", true)
}
func TestGetMemStats(t *testing.T) {
f := func(want memStats, path string, wantErr bool) {
t.Helper()
got, err := getMemStats(path)
if (err != nil && !wantErr) || (err == nil && wantErr) {
t.Fatalf("unexpected error: %v", err)
}
if got != nil && *got != want {
t.Fatalf("unexpected result: %d, want: %d at getMemStats", *got, want)
}
}
f(memStats{vmPeak: 2130489344, rssPeak: 200679424, rssAnon: 121602048, rssFile: 11362304}, "testdata/status", false)
f(memStats{}, "testdata/status_bad", true)
}
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