Fix atomic usage in tests (#6964)

internal/models/running_aggregator_test.go

@@ -1,7 +1,6 @@
 package models
 
 import (
-	"sync/atomic"
 	"testing"
 	"time"
 
@@ -246,7 +245,7 @@ type TestAggregator struct {
 func (t *TestAggregator) Description() string  { return "" }
 func (t *TestAggregator) SampleConfig() string { return "" }
 func (t *TestAggregator) Reset() {
-	atomic.StoreInt64(&t.sum, 0)
+	t.sum = 0
 }
 
 func (t *TestAggregator) Push(acc telegraf.Accumulator) {
@@ -259,7 +258,7 @@ func (t *TestAggregator) Push(acc telegraf.Accumulator) {
 func (t *TestAggregator) Add(in telegraf.Metric) {
 	for _, v := range in.Fields() {
 		if vi, ok := v.(int64); ok {
-			atomic.AddInt64(&t.sum, vi)
+			t.sum += vi
 		}
 	}
 }

plugins/inputs/vsphere/vsphere_test.go

@@ -5,9 +5,6 @@ import (
 	"crypto/tls"
 	"fmt"
 	"regexp"
-	"sort"
-	"sync"
-	"sync/atomic"
 	"testing"
 	"time"
 	"unsafe"
@@ -230,36 +227,6 @@ func TestParseConfig(t *testing.T) {
 	require.NotNil(t, tab)
 }
 
-func TestThrottledExecutor(t *testing.T) {
-	max := int64(0)
-	ngr := int64(0)
-	n := 10000
-	var mux sync.Mutex
-	results := make([]int, 0, n)
-	te := NewThrottledExecutor(5)
-	for i := 0; i < n; i++ {
-		func(i int) {
-			te.Run(context.Background(), func() {
-				atomic.AddInt64(&ngr, 1)
-				mux.Lock()
-				defer mux.Unlock()
-				results = append(results, i*2)
-				if ngr > max {
-					max = ngr
-				}
-				time.Sleep(100 * time.Microsecond)
-				atomic.AddInt64(&ngr, -1)
-			})
-		}(i)
-	}
-	te.Wait()
-	sort.Ints(results)
-	for i := 0; i < n; i++ {
-		require.Equal(t, results[i], i*2, "Some jobs didn't run")
-	}
-	require.Equal(t, int64(5), max, "Wrong number of goroutines spawned")
-}
-
 func TestMaxQuery(t *testing.T) {
 	// Don't run test on 32-bit machines due to bug in simulator.
 	// https://github.com/vmware/govmomi/issues/1330

testutil/accumulator.go

@@ -18,8 +18,8 @@ var (
 )
 
 func newTrackingID() telegraf.TrackingID {
-	atomic.AddUint64(&lastID, 1)
-	return telegraf.TrackingID(lastID)
+	id := atomic.AddUint64(&lastID, 1)
+	return telegraf.TrackingID(id)
 }
 
 // Metric defines a single point measurement