refactor: Change case runner function to staticmethod.

images_build/client/dign_client/bin/client.py

@@ -200,7 +200,6 @@ class ServerAddressBuilder:
                 port = 80
         return [f"{parsed_url.hostname}:{port}:{self.IPv4_1_TO_3TH_OCTET}.{self._ipv4_4th_octet}"]
 
-
     # @property
     # def resolves(self) -> list:
     #     return [f"{domain}:{port}:192.0.2.{self._ipv4_4th_octet}" for domain, port in self.DOMAIN_TO_PORT_LIST]
@@ -262,6 +261,12 @@ class TcpPacketsCapture:
         else:
             return None
 
+    @staticmethod
+    def read_server_ip_and_port_from_resolve(resolves):
+        resolve = resolves[0]
+        resolve_split = resolve.split(":")
+        return resolve_split[2], resolve_split[1]
+
 class TcpPacketsCaptureAssertion:
     @staticmethod
     def is_dscp_equal(actual_dscp, expected_dscp):
@@ -529,7 +534,8 @@ class DNSResponseAssertion:
         return False, f"Expected rdtype address pair[{expected_rdtype}, {expected_address}] not in {rdtype_address_pairs}."
 
 class ProxyCasesRunner:
-    def action_intercept_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_intercept_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -540,7 +546,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_intercept_protocol_https_cert_error(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_intercept_protocol_https_cert_error(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -551,34 +558,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_intercept_protocol_https_download_size_1k(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024)
-
-    def action_intercept_protocol_https_download_size_4k(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 4)
-
-    def action_intercept_protocol_https_download_size_16k(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 16)
-
-    def action_intercept_protocol_https_download_size_64k(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 64)
-
-    def action_intercept_protocol_https_download_size_256k(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 256)
-
-    def action_intercept_protocol_https_download_size_1M(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 1024)
-
-    def action_intercept_protocol_https_download_size_4M(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 1024 * 4)
-
-    def action_intercept_protocol_https_download_size_16M(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 1024 * 16)
-
-    def action_intercept_protocol_https_download_size_64M(self, url, resolves, conn_timeout, max_recv_speed):
-        return self._action_intercept_protocol_ssl_by_download_size(url, resolves, conn_timeout, max_recv_speed, 1024 * 1024 * 64)
-
-    def _action_intercept_protocol_ssl_by_download_size(self, url, resolves, conn_timeout, max_recv_speed, download_size):
+    @staticmethod
+    def action_intercept_protocol_https_download_size_1k(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -587,12 +568,133 @@ class ProxyCasesRunner:
         status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
         if not status:
             return False, info
-        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, download_size)
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024)
         if not status:
             return False, info
         return True, None
 
-    def action_redirect_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_intercept_protocol_https_download_size_4k(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 4)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_16k(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 16)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_64k(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 64)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_256k(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 256)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_1M(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 1024)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_4M(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 1024 * 4)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_16M(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 1024 * 16)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_intercept_protocol_https_download_size_64M(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_cert_issuer_matched(conn.cert_issuer, r'\bCN[\s]*=[\s]*Tango Secure Gateway CA\b')
+        if not status:
+            return False, info
+        status, info = URLTransferResponseAssertion.is_download_size_equal(conn.size_download, 1024 * 1024 * 64)
+        if not status:
+            return False, info
+        return True, None
+
+    @staticmethod
+    def action_redirect_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -606,7 +708,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_redirect_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_redirect_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -617,7 +720,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_block_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_block_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -634,7 +738,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_block_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_block_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -648,7 +753,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_replace_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_replace_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -666,7 +772,8 @@ class ProxyCasesRunner:
 
         return True, None
 
-    def action_replace_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_replace_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -682,7 +789,8 @@ class ProxyCasesRunner:
 
         return True, None
 
-    def action_hijack_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_hijack_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -696,7 +804,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_hijack_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_hijack_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -707,7 +816,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_insert_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_insert_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -727,7 +837,8 @@ class ProxyCasesRunner:
 
         return True, None
 
-    def action_insert_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_insert_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -743,7 +854,8 @@ class ProxyCasesRunner:
 
         return True, None
 
-    def action_deny_protocol_http_filter_host(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_protocol_http_filter_host(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -757,7 +869,8 @@ class ProxyCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_protocol_http_filter_url(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_protocol_http_filter_url(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -772,7 +885,8 @@ class ProxyCasesRunner:
         return True, None
 
 class ShapingCaseRunner:
-    def rate_limit_0bps_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def rate_limit_0bps_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 28)
@@ -780,7 +894,8 @@ class ShapingCaseRunner:
             return False, info
         return True, None
 
-    def rate_limit_0bps_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def rate_limit_0bps_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 28)
@@ -788,8 +903,9 @@ class ShapingCaseRunner:
             return False, info
         return True, None
 
-    def rate_limit_1000gbps_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
-        server_ip, server_port = self._read_server_ip_and_port_from_resolve(resolves)
+    @staticmethod
+    def rate_limit_1000gbps_protocol_http(url, resolves, conn_timeout, max_recv_speed):
+        server_ip, server_port = TcpPacketsCapture.read_server_ip_and_port_from_resolve(resolves)
         capture = TcpPacketsCapture(server_ip, server_port)
         capture.start()
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
@@ -807,8 +923,9 @@ class ShapingCaseRunner:
             return False, info
         return True, None
 
-    def rate_limit_1000gbps_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
-        server_ip, server_port = self._read_server_ip_and_port_from_resolve(resolves)
+    @staticmethod
+    def rate_limit_1000gbps_protocol_https(url, resolves, conn_timeout, max_recv_speed):
+        server_ip, server_port = TcpPacketsCapture.read_server_ip_and_port_from_resolve(resolves)
         capture = TcpPacketsCapture(server_ip, server_port)
         capture.start()
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
@@ -829,13 +946,9 @@ class ShapingCaseRunner:
             return False, info
         return True, None
 
-    def _read_server_ip_and_port_from_resolve(self, resolves):
-        resolve = resolves[0]
-        resolve_split = resolve.split(":")
-        return resolve_split[2], resolve_split[1]
-
 class FirewallCasesRunner:
-    def action_bypass_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_bypass_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -846,7 +959,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_allow_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_allow_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -857,7 +971,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_drop_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_subaction_drop_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 28)
@@ -865,7 +980,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_reset_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_subaction_reset_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 56)
@@ -873,13 +989,26 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_reset_protocol_http_filter_host(self, url, resolves, conn_timeout, max_recv_speed):
-        return self.action_deny_subaction_reset_protocol_http(url, resolves, conn_timeout, max_recv_speed)
+    @staticmethod
+    def action_deny_subaction_reset_protocol_http_filter_host(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 56)
+        if not status:
+            return False, info
+        return True, None
 
-    def action_deny_subaction_reset_protocol_http_filter_url(self, url, resolves, conn_timeout, max_recv_speed):
-        return self.action_deny_subaction_reset_protocol_http(url, resolves, conn_timeout, max_recv_speed)
+    @staticmethod
+    def action_deny_subaction_reset_protocol_http_filter_url(url, resolves, conn_timeout, max_recv_speed):
+        conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
+        conn.connect()
+        status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 56)
+        if not status:
+            return False, info
+        return True, None
 
-    def action_deny_subaction_block_protocol_http(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_subaction_block_protocol_http(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -893,7 +1022,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_allow_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_allow_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_none(conn.error_info)
@@ -907,7 +1037,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_drop_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_subaction_drop_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 28)
@@ -915,7 +1046,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_reset_protocol_https(self, url, resolves, conn_timeout, max_recv_speed):
+    @staticmethod
+    def action_deny_subaction_reset_protocol_https(url, resolves, conn_timeout, max_recv_speed):
         conn = HttpsURLTransferBuilder(url, resolves, conn_timeout, max_recv_speed)
         conn.connect()
         status, info = URLTransferResponseAssertion.is_pycurl_error_code_equal(conn.error_info, 35)
@@ -923,7 +1055,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_drop_protocol_dns(self, domain, nameservers, conn_timeout):
+    @staticmethod
+    def action_deny_subaction_drop_protocol_dns(domain, nameservers, conn_timeout):
         request = DNSQueryTypeABuilder(domain, nameservers, conn_timeout)
         request.query()
 
@@ -932,7 +1065,8 @@ class FirewallCasesRunner:
             return False, info
         return True, None
 
-    def action_deny_subaction_redirect_protocol_dns_type_a(self, domain, nameservers, conn_timeout):
+    @staticmethod
+    def action_deny_subaction_redirect_protocol_dns_type_a(domain, nameservers, conn_timeout):
         request = DNSQueryTypeABuilder(domain, nameservers, conn_timeout)
         request.query()
 
@@ -950,7 +1084,8 @@ class FirewallCasesRunner:
 
         return True, None
 
-    def action_deny_subaction_redirect_protocol_dns_type_aaaa(self, domain, nameservers, conn_timeout):
+    @staticmethod
+    def action_deny_subaction_redirect_protocol_dns_type_aaaa(domain, nameservers, conn_timeout):
         request = DNSQueryTypeAAAABuilder(domain, nameservers, conn_timeout)
         request.query()
 
@@ -968,7 +1103,8 @@ class FirewallCasesRunner:
 
         return True, None
 
-    def action_deny_subaction_redirect_protocol_dns_type_a_range_ttl(self, domain, nameservers, conn_timeout):
+    @staticmethod
+    def action_deny_subaction_redirect_protocol_dns_type_a_range_ttl(domain, nameservers, conn_timeout):
         request = DNSQueryTypeABuilder(domain, nameservers, conn_timeout)
         request.query()
 
@@ -986,7 +1122,8 @@ class FirewallCasesRunner:
 
         return True, None
 
-    def action_deny_subaction_redirect_protocol_dns_type_aaaa_range_ttl(self, domain, nameservers, conn_timeout):
+    @staticmethod
+    def action_deny_subaction_redirect_protocol_dns_type_aaaa_range_ttl(domain, nameservers, conn_timeout):
         request = DNSQueryTypeAAAABuilder(domain, nameservers, conn_timeout)
         request.query()
 
@@ -1065,17 +1202,12 @@ class DiagnoseCasesRunner:
         self._service_function_names_regexp = cmd_parser.service_function_names_regexp
         self._service_function_config_path  = cmd_parser.service_function_config_path
         self._random_delay_seconds = cmd_parser.delay_seconds
-
         self._config_loader = ConfigLoader(self._config_path)
-
-        self._proxy_case = ProxyCasesRunner()
-        self._firewall_case = FirewallCasesRunner()
-        self._shaping_case = ShapingCaseRunner()
         self._cases_info = [
             {
                 "name": "Firewall_Allow_HTTP",
                 "protocol_type": "http",
-                "test_function": self._firewall_case.action_allow_protocol_http, 
+                "test_function": FirewallCasesRunner.action_allow_protocol_http, 
                 "request_content": "http://http.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1083,7 +1215,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_Allow_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._firewall_case.action_allow_protocol_https,
+                "test_function": FirewallCasesRunner.action_allow_protocol_https,
                 "request_content": "https://sha512.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1091,7 +1223,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyReset_HTTP",
                 "protocol_type": "http",
-                "test_function": self._firewall_case.action_deny_subaction_reset_protocol_http,
+                "test_function": FirewallCasesRunner.action_deny_subaction_reset_protocol_http,
                 "request_content": "http://http-dynamic-login.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1099,7 +1231,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyReset_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._firewall_case.action_deny_subaction_reset_protocol_https,
+                "test_function": FirewallCasesRunner.action_deny_subaction_reset_protocol_https,
                 "request_content": "https://rsa4096.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1107,7 +1239,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyReset_FilterHost_HTTP",
                 "protocol_type": "http",
-                "test_function": self._firewall_case.action_deny_subaction_reset_protocol_http_filter_host,
+                "test_function": FirewallCasesRunner.action_deny_subaction_reset_protocol_http_filter_host,
                 "request_content": "http://testing-firewall-filter-host.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1115,7 +1247,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyReset_FilterURL_HTTP",
                 "protocol_type": "http",
-                "test_function": self._firewall_case.action_deny_subaction_reset_protocol_http_filter_url,
+                "test_function": FirewallCasesRunner.action_deny_subaction_reset_protocol_http_filter_url,
                 "request_content": "http://testing-firewall-filter-url.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1123,7 +1255,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyBlock_HTTP",
                 "protocol_type": "http",
-                "test_function": self._firewall_case.action_deny_subaction_block_protocol_http,
+                "test_function": FirewallCasesRunner.action_deny_subaction_block_protocol_http,
                 "request_content": "http://http-login.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1131,7 +1263,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyDrop_HTTP",
                 "protocol_type": "http",
-                "test_function": self._firewall_case.action_deny_subaction_drop_protocol_http,
+                "test_function": FirewallCasesRunner.action_deny_subaction_drop_protocol_http,
                 "request_content": "http://http-credit-card.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600
@@ -1139,7 +1271,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyDrop_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._firewall_case.action_deny_subaction_drop_protocol_https,
+                "test_function": FirewallCasesRunner.action_deny_subaction_drop_protocol_https,
                 "request_content": "https://rsa2048.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600
@@ -1147,7 +1279,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyDrop_DNS",
                 "protocol_type": "dns",
-                "test_function": self._firewall_case.action_deny_subaction_drop_protocol_dns,
+                "test_function": FirewallCasesRunner.action_deny_subaction_drop_protocol_dns,
                 "request_content": "dnstest.deny-drop-ipv4.selftest.gdnt-cloud.website",
                 'conn_timeout': 3,
                 'max_recv_speed': 6553600
@@ -1155,7 +1287,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyRedirect_A_DNS",
                 "protocol_type": "dns",
-                "test_function": self._firewall_case.action_deny_subaction_redirect_protocol_dns_type_a,
+                "test_function": FirewallCasesRunner.action_deny_subaction_redirect_protocol_dns_type_a,
                 "request_content": "dnstest.deny-redirect-a-ipv4.selftest.gdnt-cloud.website",
                 "conn_timeout": 3, 
                 "max_recv_speed": 6553600
@@ -1163,7 +1295,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyRedirect_AAAA_DNS",
                 "protocol_type": "dns",
-                "test_function": self._firewall_case.action_deny_subaction_redirect_protocol_dns_type_aaaa,
+                "test_function": FirewallCasesRunner.action_deny_subaction_redirect_protocol_dns_type_aaaa,
                 "request_content": "dnstest.deny-redirect-4a-ipv6.selftest.gdnt-cloud.website",
                 "conn_timeout": 3,
                 "max_recv_speed": 6553600
@@ -1171,7 +1303,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyRedirect_ARangeTTL_DNS",
                 "protocol_type": "dns",
-                "test_function": self._firewall_case.action_deny_subaction_redirect_protocol_dns_type_a_range_ttl,
+                "test_function": FirewallCasesRunner.action_deny_subaction_redirect_protocol_dns_type_a_range_ttl,
                 "request_content": "dnstest.deny-redirect-a-rttl-ipv4.selftest.gdnt-cloud.website",
                 "conn_timeout": 3,
                 "max_recv_speed": 6553600
@@ -1179,7 +1311,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Firewall_DenyRedirect_AAAARangeTTL_DNS",
                 "protocol_type": "dns",
-                "test_function": self._firewall_case.action_deny_subaction_redirect_protocol_dns_type_aaaa_range_ttl,
+                "test_function": FirewallCasesRunner.action_deny_subaction_redirect_protocol_dns_type_aaaa_range_ttl,
                 "request_content": "dnstest.deny-redirect-4a-rttl-ipv6.selftest.gdnt-cloud.website",
                 "conn_timeout": 3,
                 "max_recv_speed": 6553600
@@ -1187,7 +1319,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https,
                 "request_content": "https://sha256.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1195,7 +1327,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_CertExpired",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_cert_error,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_cert_error,
                 "request_content": "https://expired.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1203,7 +1335,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_CertSelfSigned",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_cert_error,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_cert_error,
                 "request_content": "https://self-signed.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1211,7 +1343,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_CertUntrustedRoot",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_cert_error,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_cert_error,
                 "request_content": "https://untrusted-root.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1219,7 +1351,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_1k",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_1k,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_1k,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/1k",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1227,7 +1359,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_4k",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_4k,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_4k,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/4k",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1235,7 +1367,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_16k",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_16k,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_16k,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/16k",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1243,7 +1375,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_64k",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_64k,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_64k,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/64k",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1251,7 +1383,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_256k",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_256k,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_256k,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/256k",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1259,7 +1391,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_1M",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_1M,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_1M,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/1M",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1267,7 +1399,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_4M",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_4M,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_4M,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/4M",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1275,7 +1407,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_16M",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_16M,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_16M,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/16M",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600
@@ -1283,7 +1415,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Intercept_HTTPS_Response_64M",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_intercept_protocol_https_download_size_64M,
+                "test_function": ProxyCasesRunner.action_intercept_protocol_https_download_size_64M,
                 "request_content": "https://testing-download.badssl.selftest.gdnt-cloud.website/resources/64M",
                 "conn_timeout": 12,
                 "max_recv_speed": 6553600
@@ -1291,7 +1423,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Redirect_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_redirect_protocol_http,
+                "test_function": ProxyCasesRunner.action_redirect_protocol_http,
                 "request_content": "http://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyRedirect.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1299,7 +1431,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Redirect_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_redirect_protocol_https,
+                "test_function": ProxyCasesRunner.action_redirect_protocol_https,
                 "request_content": "https://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyRedirect.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1307,7 +1439,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Replace_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_replace_protocol_http,
+                "test_function": ProxyCasesRunner.action_replace_protocol_http,
                 "request_content": "http://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyReplace.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1315,7 +1447,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Replace_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_replace_protocol_https,
+                "test_function": ProxyCasesRunner.action_replace_protocol_https,
                 "request_content": "https://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyReplace.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1323,7 +1455,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Deny_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_block_protocol_http,
+                "test_function": ProxyCasesRunner.action_block_protocol_http,
                 "request_content": "http://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyBlock.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1331,7 +1463,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Deny_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_block_protocol_https,
+                "test_function": ProxyCasesRunner.action_block_protocol_https,
                 "request_content": "https://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyBlock.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1339,7 +1471,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Deny_FilterHost_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_deny_protocol_http_filter_host,
+                "test_function": ProxyCasesRunner.action_deny_protocol_http_filter_host,
                 "request_content": "http://testing-proxy-filter-host.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1347,7 +1479,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Deny_FilterURL_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_deny_protocol_http_filter_url,
+                "test_function": ProxyCasesRunner.action_deny_protocol_http_filter_url,
                 "request_content": "http://testing-proxy-filter-url.badssl.selftest.gdnt-cloud.website",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1355,7 +1487,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Hijack_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_hijack_protocol_http,
+                "test_function": ProxyCasesRunner.action_hijack_protocol_http,
                 "request_content": "http://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyHijack.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1363,7 +1495,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Hijack_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_hijack_protocol_https,
+                "test_function": ProxyCasesRunner.action_hijack_protocol_https,
                 "request_content": "https://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyHijack.js",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1371,7 +1503,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Insert_HTTP",
                 "protocol_type": "http",
-                "test_function": self._proxy_case.action_insert_protocol_http,
+                "test_function": ProxyCasesRunner.action_insert_protocol_http,
                 "request_content": "http://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyInsert.html",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1379,7 +1511,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Proxy_Manipulation_Insert_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._proxy_case.action_insert_protocol_https,
+                "test_function": ProxyCasesRunner.action_insert_protocol_https,
                 "request_content": "https://web-replay.badssl.selftest.gdnt-cloud.website/resources/proxyInsert.html",
                 "conn_timeout": 1,
                 "max_recv_speed": 6553600
@@ -1387,7 +1519,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Shaping_RateLimit0bps_HTTP",
                 "protocol_type": "http",
-                "test_function": self._shaping_case.rate_limit_0bps_protocol_http,
+                "test_function": ShapingCaseRunner.rate_limit_0bps_protocol_http,
                 "request_content": "http://testing-rate-limit-0bps.badssl.selftest.gdnt-cloud.website/resources/16M",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600
@@ -1395,7 +1527,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Shaping_RateLimit0bps_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._shaping_case.rate_limit_0bps_protocol_https,
+                "test_function": ShapingCaseRunner.rate_limit_0bps_protocol_https,
                 "request_content": "https://testing-rate-limit-0bps.badssl.selftest.gdnt-cloud.website/resources/16M",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600
@@ -1403,7 +1535,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Shaping_RateLimit1000gbps_HTTP",
                 "protocol_type": "http",
-                "test_function": self._shaping_case.rate_limit_1000gbps_protocol_http,
+                "test_function": ShapingCaseRunner.rate_limit_1000gbps_protocol_http,
                 "request_content": "http://testing-rate-limit-1000gbps.badssl.selftest.gdnt-cloud.website/resources/16M",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600
@@ -1411,7 +1543,7 @@ class DiagnoseCasesRunner:
             {
                 "name": "Shaping_RateLimit1000gbps_HTTPS",
                 "protocol_type": "https",
-                "test_function": self._shaping_case.rate_limit_1000gbps_protocol_https,
+                "test_function": ShapingCaseRunner.rate_limit_1000gbps_protocol_https,
                 "request_content": "https://testing-rate-limit-1000gbps.badssl.selftest.gdnt-cloud.website/resources/16M",
                 "conn_timeout": 4,
                 "max_recv_speed": 6553600