func TestCounter(t *testing.T) {
s := httptest.NewServer(stdprometheus.UninstrumentedHandler())
defer s.Close()
scrape := func() string {
resp, _ := http.Get(s.URL)
buf, _ := ioutil.ReadAll(resp.Body)
return string(buf)
}
namespace, subsystem, name := "ns", "ss", "foo"
re := regexp.MustCompile(namespace + `_` + subsystem + `_` + name + `{alpha="alpha-value",beta="beta-value"} ([0-9\.]+)`)
counter := NewCounterFrom(stdprometheus.CounterOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: name,
Help: "This is the help string.",
}, []string{"alpha", "beta"}).With("beta", "beta-value", "alpha", "alpha-value") // order shouldn't matter
value := func() float64 {
matches := re.FindStringSubmatch(scrape())
f, _ := strconv.ParseFloat(matches[1], 64)
return f
}
if err := teststat.TestCounter(counter, value); err != nil {
t.Fatal(err)
}
}
func TestCounter(t *testing.T) {
prefix, name := "abc.", "def"
label, value := "label", "value" // ignored
regex := `^` + prefix + name + `:([0-9\.]+)\|c$`
s := New(prefix, log.NewNopLogger())
counter := s.NewCounter(name, 1.0).With(label, value)
valuef := teststat.SumLines(s, regex)
if err := teststat.TestCounter(counter, valuef); err != nil {
t.Fatal(err)
}
}
func TestCounter(t *testing.T) {
prefix, name := "abc.", "def"
label, value := "label", "value" // ignored for Graphite
regex := `^` + prefix + name + ` ([0-9\.]+) [0-9]+$`
g := New(prefix, log.NewNopLogger())
counter := g.NewCounter(name).With(label, value)
valuef := teststat.SumLines(g, regex)
if err := teststat.TestCounter(counter, valuef); err != nil {
t.Fatal(err)
}
}
func TestCounter(t *testing.T) {
in := New(map[string]string{"a": "b"}, influxdb.BatchPointsConfig{}, log.NewNopLogger())
re := regexp.MustCompile(`influx_counter,a=b count=([0-9\.]+) [0-9]+`) // reverse-engineered :\
counter := in.NewCounter("influx_counter")
value := func() float64 {
client := &bufWriter{}
in.WriteTo(client)
match := re.FindStringSubmatch(client.buf.String())
f, _ := strconv.ParseFloat(match[1], 64)
return f
}
if err := teststat.TestCounter(counter, value); err != nil {
t.Fatal(err)
}
}
func TestCounter(t *testing.T) {
// The only way to extract values from Circonus is to pose as a Circonus
// server and receive real HTTP writes.
const name = "abc"
var val int64
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var res map[string]struct {
Value int64 `json:"_value"` // reverse-engineered :\
}
json.NewDecoder(r.Body).Decode(&res)
val = res[name].Value
}))
defer s.Close()
// Set up a Circonus object, submitting to our HTTP server.
m := newCirconusMetrics(s.URL)
counter := New(m).NewCounter(name).With("label values", "not supported")
value := func() float64 { m.Flush(); return float64(val) }
// Engage.
if err := teststat.TestCounter(counter, value); err != nil {
t.Fatal(err)
}
}