test: disable timing dependent bandwidth test unless we're on linux

libp2p · Jul 13, 2021 · aa26efd · aa26efd
1 parent 28b4f85
commit aa26efd
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/metrics/bandwidth_test.go b/metrics/bandwidth_test.go
@@ -3,6 +3,7 @@ package metrics
 import (
 	"fmt"
 	"math"
+	"runtime"
 	"sync"
 	"testing"
 	"time"
@@ -52,6 +53,10 @@ func round(bwc *BandwidthCounter, b *testing.B) {
 const acceptableError = 0.01
 
 func TestBandwidthCounter(t *testing.T) {
+	if runtime.GOOS != "linux" {
+		// Specifically, it fails on MacOS because we need a high precision timer.
+		t.Skip("this test is highly timing dependent and only passes reliably on Linux")
+	}
 	bwc := NewBandwidthCounter()
 	start := make(chan struct{})
 	var wg sync.WaitGroup