[minigraph][port_config] Use imported config.main and add conditional…

… patch (sonic-net#1724)

Signed-off-by: Jing Kan jika@microsoft.com

tests/config_test.py

@@ -57,50 +57,54 @@ def test_load_minigraph(self, get_cmd_module, setup_single_broadcom_asic):
             assert "\n".join([l.rstrip() for l in result.output.split('\n')]) == load_minigraph_command_output
             assert mock_run_command.call_count == 7
 
-    def test_load_minigraph_with_port_config_bad_format(self, setup_single_broadcom_asic):
+    def test_load_minigraph_with_port_config_bad_format(self, get_cmd_module, setup_single_broadcom_asic):
         with mock.patch(
             "utilities_common.cli.run_command",
             mock.MagicMock(side_effect=mock_run_command_side_effect)) as mock_run_command:
+            (config, show) = get_cmd_module
 
             # Not in an array
             port_config = {"PORT": {"Ethernet0": {"admin_status": "up"}}}
-            self.check_port_config(None, port_config, "Failed to load port_config.json, Error: Bad format: port_config is not an array")
+            self.check_port_config(None, config, port_config, "Failed to load port_config.json, Error: Bad format: port_config is not an array")
 
             # No PORT table
             port_config = [{}]
-            self.check_port_config(None, port_config, "Failed to load port_config.json, Error: Bad format: PORT table not exists")
+            self.check_port_config(None, config, port_config, "Failed to load port_config.json, Error: Bad format: PORT table not exists")
 
-    def test_load_minigraph_with_port_config_inconsistent_port(self, setup_single_broadcom_asic):
+    def test_load_minigraph_with_port_config_inconsistent_port(self, get_cmd_module, setup_single_broadcom_asic):
         with mock.patch(
             "utilities_common.cli.run_command",
             mock.MagicMock(side_effect=mock_run_command_side_effect)) as mock_run_command:
+            (config, show) = get_cmd_module
+
             db = Db()
             db.cfgdb.set_entry("PORT", "Ethernet1", {"admin_status": "up"})
             port_config = [{"PORT": {"Eth1": {"admin_status": "up"}}}]
-            self.check_port_config(db, port_config, "Failed to load port_config.json, Error: Port Eth1 is not defined in current device")
+            self.check_port_config(db, config, port_config, "Failed to load port_config.json, Error: Port Eth1 is not defined in current device")
 
-    def test_load_minigraph_with_port_config(self, setup_single_broadcom_asic):
+    def test_load_minigraph_with_port_config(self, get_cmd_module, setup_single_broadcom_asic):
         with mock.patch(
             "utilities_common.cli.run_command",
             mock.MagicMock(side_effect=mock_run_command_side_effect)) as mock_run_command:
+            (config, show) = get_cmd_module
             db = Db()
 
             # From up to down
             db.cfgdb.set_entry("PORT", "Ethernet0", {"admin_status": "up"})
             port_config = [{"PORT": {"Ethernet0": {"admin_status": "down"}}}]
-            self.check_port_config(db, port_config, "config interface shutdown Ethernet0")
+            self.check_port_config(db, config, port_config, "config interface shutdown Ethernet0")
 
             # From down to up
             db.cfgdb.set_entry("PORT", "Ethernet0", {"admin_status": "down"})
             port_config = [{"PORT": {"Ethernet0": {"admin_status": "up"}}}]
-            self.check_port_config(db, port_config, "config interface startup Ethernet0")
+            self.check_port_config(db, config, port_config, "config interface startup Ethernet0")
 
-    def check_port_config(self, db, port_config, expected_output):
+    def check_port_config(self, db, config, port_config, expected_output):
         def read_json_file_side_effect(filename):
             return port_config
         with mock.patch('config.main.read_json_file', mock.MagicMock(side_effect=read_json_file_side_effect)):
             def is_file_side_effect(filename):
-                return True
+                return True if 'port_config' in filename else False
             with mock.patch('os.path.isfile', mock.MagicMock(side_effect=is_file_side_effect)):
                 runner = CliRunner()
                 result = runner.invoke(config.config.commands["load_minigraph"], ["-y"], obj=db)