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package statsdtest
import (
"fmt"
"reflect"
"strconv"
"testing"
"time"
"github.com/cactus/go-statsd-client/v5/statsd"
)
func TestRecordingSenderIsSender(t *testing.T) {
// This ensures that if the Sender interface changes in the future we'll get
// compile time failures should the RecordingSender not be updated to meet
// the new definition. This keeps changes from inadvertently breaking tests
// of folks that use go-statsd-client.
var _ statsd.Sender = NewRecordingSender()
}
func TestRecordingSender(t *testing.T) {
start := time.Now()
rs := new(RecordingSender)
statter, err := statsd.NewClientWithSender(rs, "test", 0)
if err != nil {
t.Errorf("failed to construct client")
return
}
statter.Inc("stat", 4444, 1.0)
statter.Dec("stat", 5555, 1.0)
statter.Set("set-stat", "some string", 1.0)
d := time.Since(start)
statter.TimingDuration("timing", d, 1.0)
sent := rs.GetSent()
if len(sent) != 4 {
// just dive out because everything else relies on ordering
t.Fatalf("Did not capture all stats sent; got: %s", sent)
}
ms := float64(d) / float64(time.Millisecond)
// somewhat fragile in that it assums float rendering within client *shrug*
msStr := string(strconv.AppendFloat([]byte(""), ms, 'f', -1, 64))
expected := Stats{
{[]byte("test.stat:4444|c"), "test.stat", "4444", "c", "", true},
{[]byte("test.stat:-5555|c"), "test.stat", "-5555", "c", "", true},
{[]byte("test.set-stat:some string|s"), "test.set-stat", "some string", "s", "", true},
{[]byte(fmt.Sprintf("test.timing:%s|ms", msStr)), "test.timing", msStr, "ms", "", true},
}
if !reflect.DeepEqual(sent, expected) {
t.Errorf("got: %s, want: %s", sent, expected)
}
}
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