micro/meter/meter_test.go
Vasiliy Tolstov 827d467077 micro: rewrite options to support multiple building blocks
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-01-29 13:17:32 +03:00

64 lines
1.2 KiB
Go

package meter
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestNoopMeter(t *testing.T) {
meter := NewMeter(Path("/noop"))
assert.NotNil(t, meter)
assert.Equal(t, "/noop", meter.Options().Path)
assert.Implements(t, new(Meter), meter)
cnt := meter.Counter("counter", Label("server", "noop"))
cnt.Inc()
}
func TestLabels(t *testing.T) {
var ls Labels
ls.keys = []string{"type", "server"}
ls.vals = []string{"noop", "http"}
ls.Sort()
if ls.keys[0] != "server" || ls.vals[0] != "http" {
t.Fatalf("sort error: %v", ls)
}
}
func TestLabelsAppend(t *testing.T) {
var ls Labels
ls.keys = []string{"type", "server"}
ls.vals = []string{"noop", "http"}
var nls Labels
nls.keys = []string{"register"}
nls.vals = []string{"gossip"}
ls = ls.Append(nls)
ls.Sort()
if ls.keys[0] != "register" || ls.vals[0] != "gossip" {
t.Fatalf("append error: %v", ls)
}
}
func TestIterator(t *testing.T) {
var ls Labels
ls.keys = []string{"type", "server", "register"}
ls.vals = []string{"noop", "http", "gossip"}
iter := ls.Iter()
var k, v string
cnt := 0
for iter.Next(&k, &v) {
if cnt == 1 && (k != "server" || v != "http") {
t.Fatalf("iter error: %s != %s || %s != %s", k, "server", v, "http")
}
cnt++
}
}