diff --git a/blacklist_test.go b/blacklist_test.go
new file mode 100644
index 00000000..67f8882c
--- /dev/null
+++ b/blacklist_test.go
@@ -0,0 +1,97 @@
+package pubsub
+
+import (
+	"context"
+	"testing"
+	"time"
+)
+
+func TestBlacklist(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	hosts := getNetHosts(t, ctx, 2)
+	psubs := getPubsubs(ctx, hosts)
+	connect(t, hosts[0], hosts[1])
+
+	sub, err := psubs[1].Subscribe("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	time.Sleep(time.Millisecond * 100)
+	psubs[1].BlacklistPeer(hosts[0].ID())
+	time.Sleep(time.Millisecond * 100)
+
+	psubs[0].Publish("test", []byte("message"))
+
+	wctx, cancel := context.WithTimeout(ctx, 1*time.Second)
+	defer cancel()
+	_, err = sub.Next(wctx)
+
+	if err == nil {
+		t.Fatal("got message from blacklisted peer")
+	}
+}
+
+func TestBlacklist2(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	hosts := getNetHosts(t, ctx, 2)
+	psubs := getPubsubs(ctx, hosts)
+	connect(t, hosts[0], hosts[1])
+
+	_, err := psubs[0].Subscribe("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	sub1, err := psubs[1].Subscribe("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	time.Sleep(time.Millisecond * 100)
+	psubs[1].BlacklistPeer(hosts[0].ID())
+	time.Sleep(time.Millisecond * 100)
+
+	psubs[0].Publish("test", []byte("message"))
+
+	wctx, cancel := context.WithTimeout(ctx, 1*time.Second)
+	defer cancel()
+	_, err = sub1.Next(wctx)
+
+	if err == nil {
+		t.Fatal("got message from blacklisted peer")
+	}
+}
+
+func TestBlacklist3(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	hosts := getNetHosts(t, ctx, 2)
+	psubs := getPubsubs(ctx, hosts)
+
+	psubs[1].BlacklistPeer(hosts[0].ID())
+	time.Sleep(time.Millisecond * 100)
+	connect(t, hosts[0], hosts[1])
+
+	sub, err := psubs[1].Subscribe("test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	time.Sleep(time.Millisecond * 100)
+
+	psubs[0].Publish("test", []byte("message"))
+
+	wctx, cancel := context.WithTimeout(ctx, 1*time.Second)
+	defer cancel()
+	_, err = sub.Next(wctx)
+
+	if err == nil {
+		t.Fatal("got message from blacklisted peer")
+	}
+}