Monitor network changes and restart engine on detection (#1904)

client/internal/routemanager/systemops_bsd_test.go

@@ -0,0 +1,57 @@
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package routemanager
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"golang.org/x/net/route"
+)
+
+func TestBits(t *testing.T) {
+	tests := []struct {
+		name    string
+		addr    route.Addr
+		want    int
+		wantErr bool
+	}{
+		{
+			name: "IPv4 all ones",
+			addr: &route.Inet4Addr{IP: [4]byte{255, 255, 255, 255}},
+			want: 32,
+		},
+		{
+			name: "IPv4 normal mask",
+			addr: &route.Inet4Addr{IP: [4]byte{255, 255, 255, 0}},
+			want: 24,
+		},
+		{
+			name: "IPv6 all ones",
+			addr: &route.Inet6Addr{IP: [16]byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}},
+			want: 128,
+		},
+		{
+			name: "IPv6 normal mask",
+			addr: &route.Inet6Addr{IP: [16]byte{255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0}},
+			want: 64,
+		},
+		{
+			name:    "Unsupported type",
+			addr:    &route.LinkAddr{},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := ones(tt.addr)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.want, got)
+			}
+		})
+	}
+}