platform: Add semver helper

experimental/libbox/semver.go

@@ -0,0 +1,27 @@
+package libbox
+
+import (
+	"strings"
+
+	"golang.org/x/mod/semver"
+)
+
+func CompareSemver(left string, right string) bool {
+	normalizedLeft := normalizeSemver(left)
+	if !semver.IsValid(normalizedLeft) {
+		return false
+	}
+	normalizedRight := normalizeSemver(right)
+	if !semver.IsValid(normalizedRight) {
+		return false
+	}
+	return semver.Compare(normalizedLeft, normalizedRight) > 0
+}
+
+func normalizeSemver(version string) string {
+	trimmedVersion := strings.TrimSpace(version)
+	if strings.HasPrefix(trimmedVersion, "v") {
+		return trimmedVersion
+	}
+	return "v" + trimmedVersion
+}

experimental/libbox/semver_test.go

@@ -0,0 +1,16 @@
+package libbox
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCompareSemver(t *testing.T) {
+	t.Parallel()
+
+	require.False(t, CompareSemver("1.13.0-rc.4", "1.13.0"))
+	require.True(t, CompareSemver("1.13.1", "1.13.0"))
+	require.False(t, CompareSemver("v1.13.0", "1.13.0"))
+	require.False(t, CompareSemver("1.13.0-", "1.13.0"))
+}

test/socks_test.go

@@ -123,7 +123,6 @@ func testUDPSessionIdleTimeout(t *testing.T, proxyPort uint16, echoPort uint16,
 
 	packetConn.SetReadDeadline(time.Now().Add(3 * time.Second))
 	n, _, err = packetConn.ReadFrom(buffer)
-
 	if err != nil {
 		t.Logf("Read after timeout correctly failed: %v", err)
 		return