1e2e493daa
- Why I did it Implement read_eeprom/write_eeprom API for Credo Y-cable for Dual ToR Active-Standby - How I did it Use mlxreg utility for API implementation Signed-off-by: Andriy Yurkiv <ayurkiv@nvidia.com>
112 lines
4.7 KiB
Python
112 lines
4.7 KiB
Python
#
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# Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES.
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# Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import os
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import sys
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if sys.version_info.major == 3:
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from unittest import mock
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else:
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import mock
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test_path = os.path.dirname(os.path.abspath(__file__))
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modules_path = os.path.dirname(test_path)
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sys.path.insert(0, modules_path)
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from sonic_platform.sfp import SFP, SX_PORT_MODULE_STATUS_INITIALIZING, SX_PORT_MODULE_STATUS_PLUGGED, SX_PORT_MODULE_STATUS_UNPLUGGED, SX_PORT_MODULE_STATUS_PLUGGED_WITH_ERROR, SX_PORT_MODULE_STATUS_PLUGGED_DISABLED
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from sonic_platform.chassis import Chassis
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from sonic_platform.sfp import MlxregManager
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from tests.input_platform import output_sfp
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class TestSfp:
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@mock.patch('sonic_platform.device_data.DeviceDataManager.get_linecard_count', mock.MagicMock(return_value=8))
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@mock.patch('sonic_platform.device_data.DeviceDataManager.get_linecard_max_port_count')
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def test_sfp_index(self, mock_max_port):
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sfp = SFP(0)
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assert sfp.sdk_index == 0
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assert sfp.index == 1
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mock_max_port.return_value = 16
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sfp = SFP(sfp_index=0, slot_id=1, linecard_port_count=16, lc_name='LINE-CARD1')
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assert sfp.sdk_index == 0
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assert sfp.index == 1
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sfp = SFP(sfp_index=5, slot_id=3, linecard_port_count=16, lc_name='LINE-CARD1')
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assert sfp.sdk_index == 5
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assert sfp.index == 38
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sfp = SFP(sfp_index=1, slot_id=1, linecard_port_count=4, lc_name='LINE-CARD1')
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assert sfp.sdk_index == 1
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assert sfp.index == 5
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@mock.patch('sonic_platform.sfp.SFP.read_eeprom', mock.MagicMock(return_value=None))
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@mock.patch('sonic_platform.sfp.SFP._get_error_code')
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@mock.patch('sonic_platform.chassis.Chassis.get_num_sfps', mock.MagicMock(return_value=2))
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def test_sfp_get_error_status(self, mock_get_error_code):
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chassis = Chassis()
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# Fetch an SFP module to test
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sfp = chassis.get_sfp(1)
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description_dict = sfp._get_error_description_dict()
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for error in description_dict.keys():
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mock_get_error_code.return_value = (SX_PORT_MODULE_STATUS_PLUGGED_WITH_ERROR, error)
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description = sfp.get_error_description()
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assert description == description_dict[error]
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mock_get_error_code.return_value = (SX_PORT_MODULE_STATUS_PLUGGED_WITH_ERROR, -1)
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description = sfp.get_error_description()
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assert description == "Unknown error (-1)"
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expected_description_list = [
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(SX_PORT_MODULE_STATUS_INITIALIZING, "Initializing"),
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(SX_PORT_MODULE_STATUS_PLUGGED, "OK"),
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(SX_PORT_MODULE_STATUS_UNPLUGGED, "Unplugged"),
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(SX_PORT_MODULE_STATUS_PLUGGED_DISABLED, "Disabled")
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]
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for oper_code, expected_description in expected_description_list:
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mock_get_error_code.return_value = (oper_code, -1)
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description = sfp.get_error_description()
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assert description == expected_description
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@mock.patch('sonic_platform.sfp.SFP.get_mst_pci_device', mock.MagicMock(return_value="pciconf"))
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@mock.patch('sonic_platform.sfp.MlxregManager.write_mlxreg_eeprom', mock.MagicMock(return_value=True))
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def test_sfp_write_eeprom(self):
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mlxreg_mngr = MlxregManager("", 0, 0)
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write_buffer = bytearray([1,2,3,4])
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offset = 793
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sfp = SFP(0)
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sfp.write_eeprom(offset, 4, write_buffer)
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MlxregManager.write_mlxreg_eeprom.assert_called_with(4, output_sfp.write_eeprom_dword1, 153, 5)
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offset = 641
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write_buffer = bytearray([1,2,3,4,5,6])
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sfp.write_eeprom(offset, 6, write_buffer)
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MlxregManager.write_mlxreg_eeprom.assert_called_with(6, output_sfp.write_eeprom_dword2, 129, 4)
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@mock.patch('sonic_platform.sfp.SFP.get_mst_pci_device', mock.MagicMock(return_value="pciconf"))
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@mock.patch('sonic_platform.sfp.MlxregManager.read_mlxred_eeprom', mock.MagicMock(return_value=output_sfp.read_eeprom_output))
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def test_sfp_read_eeprom(self):
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mlxreg_mngr = MlxregManager("", 0, 0)
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offset = 644
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sfp = SFP(0)
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assert output_sfp.y_cable_part_number == sfp.read_eeprom(offset, 16).decode()
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MlxregManager.read_mlxred_eeprom.assert_called_with(132, 4, 16)
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