Memcached plugin

plugins/memcached/memcached_test.go

@@ -0,0 +1,31 @@
+package memcached
+
+import (
+	"testing"
+
+	"github.com/influxdb/telegraf/testutil"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMemcachedGeneratesMetrics(t *testing.T) {
+	m := &Memcached{
+		Servers: []string{"localhost"},
+	}
+
+	var acc testutil.Accumulator
+
+	err := m.Gather(&acc)
+	require.NoError(t, err)
+
+	intMetrics := []string{"get_hits", "get_misses", "evictions"}
+	floatMetrics := []string{"usage"}
+
+	for _, metric := range intMetrics {
+		assert.True(t, acc.HasIntValue(metric), metric)
+	}
+
+	for _, metric := range floatMetrics {
+		assert.True(t, acc.HasFloatValue(metric), metric)
+	}
+}