fix: 修复CSP白屏并优化LDAP配置

backend/internal/ldaputil/address_test.go

@@ -0,0 +1,32 @@
+package ldaputil
+
+import "testing"
+
+func TestDialURL(t *testing.T) {
+	tests := []struct {
+		address string
+		want    string
+	}{
+		{"8.217.205.92", "ldaps://8.217.205.92:636"},
+		{"ldap.opsx.vip", "ldaps://ldap.opsx.vip:636"},
+		{"ldap.opsx.vip:1636", "ldaps://ldap.opsx.vip:1636"},
+		{"2001:db8::1", "ldaps://[2001:db8::1]:636"},
+		{"ldap://ldap.opsx.vip", "ldap://ldap.opsx.vip:389"},
+		{"ldaps://ldap.opsx.vip", "ldaps://ldap.opsx.vip:636"},
+		{" ldaps://8.217.205.92 ", "ldaps://8.217.205.92:636"},
+	}
+	for _, tt := range tests {
+		got, err := DialURL(tt.address)
+		if err != nil || got != tt.want {
+			t.Errorf("DialURL(%q) = %q, %v; want %q", tt.address, got, err, tt.want)
+		}
+	}
+}
+
+func TestDialURLRejectsInvalidAddress(t *testing.T) {
+	for _, address := range []string{"", "ldap.opsx.vip/path", "ldap.opsx.vip:", "https://ldap.opsx.vip"} {
+		if _, err := DialURL(address); err == nil {
+			t.Errorf("DialURL(%q) succeeded; want error", address)
+		}
+	}
+}