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+# Copyright 2020-present Open Networking Foundation
+# Original copyright 2020-present ADTRAN, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+
+*** Settings ***
+Documentation    Library test suite for the grpc_robot library. To run the test suite, the fake device manager from
+...    _./servers/dmi_ must have been started beforehand with command _python3 dmi_server.py_.
+Library    OperatingSystem    WITH NAME    os
+Library    String
+Library    Collections
+Variables    ./variables.py
+
+*** Test Cases ***
+Library import
+    [Documentation]    Checks if the grpc_robot libraries can be imported.
+    Import Library    grpc_robot.Dmi    WITH NAME    dmi
+    Import Library    grpc_robot.Collections
+    Import Library    grpc_robot.DmiTools    WITH NAME    dtools
+    Import Library    grpc_robot.VolthaTools    WITH NAME    vtools
+
+library_versions
+    [Documentation]    Checks if the library returns the installed library and device-management-interface versions.
+    [Template]    version_check
+    grpc-robot    dmi.Library Version Get
+    device-management-interface    dmi.Dmi Version Get
+
+keywords
+    [Documentation]    Checks if the keyword name exists in the library's keyword list.
+    Keyword Should Exist    dmi.connection_close
+    Keyword Should Exist    dmi.connection_open
+    Keyword Should Exist    dmi.connection_parameters_get
+    Keyword Should Exist    dmi.connection_parameters_set
+    Keyword Should Exist    dmi.hw_event_mgmt_service_list_events
+    Keyword Should Exist    dmi.hw_event_mgmt_service_update_events_configuration
+    Keyword Should Exist    dmi.hw_management_service_get_hw_component_info
+    Keyword Should Exist    dmi.hw_management_service_get_logging_endpoint
+    Keyword Should Exist    dmi.hw_management_service_get_managed_devices
+    Keyword Should Exist    dmi.hw_management_service_get_msg_bus_endpoint
+    Keyword Should Exist    dmi.hw_management_service_get_physical_inventory
+    Keyword Should Exist    dmi.hw_management_service_set_hw_component_info
+    Keyword Should Exist    dmi.hw_management_service_set_logging_endpoint
+    Keyword Should Exist    dmi.hw_management_service_set_msg_bus_endpoint
+    Keyword Should Exist    dmi.hw_management_service_start_managing_device
+    Keyword Should Exist    dmi.hw_management_service_stop_managing_device
+    Keyword Should Exist    dmi.hw_management_service_get_loggable_entities
+    Keyword Should Exist    dmi.hw_management_service_set_log_level
+    Keyword Should Exist    dmi.hw_management_service_get_log_level
+    Keyword Should Exist    dmi.hw_metrics_mgmt_service_get_metric
+    Keyword Should Exist    dmi.hw_metrics_mgmt_service_list_metrics
+    Keyword Should Exist    dmi.hw_metrics_mgmt_service_update_metrics_configuration
+    Keyword Should Exist    dmi.sw_management_service_activate_image
+    Keyword Should Exist    dmi.sw_management_service_download_image
+    Keyword Should Exist    dmi.sw_management_service_revert_to_standby_image
+    Keyword Should Exist    dmi.sw_management_service_get_software_version
+    Keyword Should Exist    dmi.sw_management_service_update_startup_configuration
+    Keyword Should Exist    dmi.sw_management_service_get_startup_configuration_info
+    Keyword Should Exist    dtools.hw_metrics_mgmt_decode_metric
+    Keyword Should Exist    dtools.hw_events_mgmt_decode_event
+    Keyword Should Exist    vtools.events_decode_event
+    Keyword Should Exist    vtools.tech_profile_decode_resource_instance
+
+dmi
+    [Documentation]    Checks the RPC keywords whether or not they handle their input and output correctly and uses the
+    ...    fake device manager for that. The fake device manager returns _OK_STATUS_ for each RPC. The variables
+    ...    _${keywords_to_skip}_ and _${params}_ are defined in the variables file _./variables.py_.
+    [Setup]    dmi.Connection Open    host=127.0.0.1    port=50051
+    ${keywords}    Run Keyword    dmi.Get Keyword Names
+    FOR    ${keyword}    IN    @{keywords}
+        Continue For Loop If    '${keyword}' in ${keywords_to_skip}
+        ${status}    ${params}    Run Keyword And Ignore Error    Get From Dictionary     ${param_dicts}    ${keyword}
+        Run Keyword If    '${status}' == 'FAIL'    Log    no parameters available for keyword '${keyword}'    WARN
+        Continue For Loop If    '${status}' == 'FAIL'
+        Run Keyword If    ${params} == ${NONE}    ${keyword}    ELSE    ${keyword}    ${params}
+    END
+    [Teardown]    dmi.Connection Close
+
+connection_params
+    [Documentation]    Checks the connection parameter settings.
+    ${new_timeout}    Set Variable    100
+    ${settings_before}    dmi.Connection Parameters Get
+    ${settings_while_set}    dmi.Connection Parameters Set    timeout=${new_timeout}
+    ${settings_after}    dmi.Connection Parameters Get
+    Should Be Equal    ${settings_before}    ${settings_while_set}
+    Should Be Equal As Integers     ${settings_after}[timeout]    ${new_timeout}
+
+enum_and_default_values
+    [Documentation]    Checks the optional parameters _return_enum_integer_ and _return_defaults_ of the RPC keywords to
+    ...    control their output. Check keyword documentation for the meaning of the parameters.
+    ...    *Note*: The fake device manager must be running for this test case.
+    [Setup]    dmi.Connection Open    host=127.0.0.1    port=50051
+    ${params}   Get From Dictionary    ${param_dicts}    hw_management_service_get_log_level
+    ${return}   hw_management_service_get_log_level     ${params}
+    Should Be Equal As Strings    ${return}[status]    OK_STATUS
+    Dictionary Should Not Contain Key     ${return}    reason
+    ${return}   hw_management_service_get_log_level     ${params}    return_enum_integer=true
+    Should Be Equal As Integers    ${return}[status]    1
+    Dictionary Should Not Contain Key     ${return}    reason
+    ${return}   hw_management_service_get_log_level     ${params}    return_enum_integer=${TRUE}
+    Should Be Equal As Integers    ${return}[status]    1
+    Dictionary Should Not Contain Key     ${return}    reason
+    ${return}   hw_management_service_get_log_level     ${params}    return_defaults=true
+    Should Be Equal As Strings    ${return}[status]    OK_STATUS
+    Should Be Equal As Strings    ${return}[reason]    UNDEFINED_REASON
+    ${return}   hw_management_service_get_log_level     ${params}    return_defaults=${TRUE}
+    Should Be Equal As Strings    ${return}[status]    OK_STATUS
+    Should Be Equal As Strings    ${return}[reason]    UNDEFINED_REASON
+    ${return}   hw_management_service_get_log_level     ${params}    return_enum_integer=true    return_defaults=true
+    Should Be Equal As Integers    ${return}[status]    1
+    Should Be Equal As Integers    ${return}[reason]    0
+    [Teardown]    dmi.Connection Close
+
+tools
+    [Documentation]    Checks some functions from the tools library which shall support the tester with general functionality.
+    ${dict_1}    Create Dictionary    name=abc    type=123
+    ${dict_2}    Create Dictionary    name=def    type=456
+    ${list}    Create List    ${dict_1}    ${dict_2}
+    ${return_dict}    grpc_robot.Collections.List Get Dict By Value    ${list}    name    def
+    Should Be Equal    ${return_dict}[type]    456
+
+dmi_tools
+    [Documentation]    Checks functions from the DMI tools library with decoding Kafka messages. The variables
+    ...    _kafka_metric_messages_ and _kafka_event_messages_ are defined in the variables file.
+    FOR    ${kafka}    IN    @{kafka_metric_messages}
+        ${metric}    dtools.Hw Metrics Mgmt Decode Metric    ${kafka}[message]
+        Should Be Equal    ${metric}[metric_metadata][device_uuid][uuid]    4c411df2-22e6-58d2-b1bb-545a0263d18d
+        Should Be Equal    ${metric}[metric_id]    ${kafka}[metric]
+    END
+    FOR    ${kafka}    IN    @{kafka_event_messages}
+        ${event}    dtools.Hw Events Mgmt Decode Event    ${kafka}[message]
+        Should Be Equal    ${event}[event_metadata][device_uuid][uuid]    84f46fde-89fa-5a2f-be4a-6d18abe6e953
+        Should Be Equal    ${event}[event_id]    ${kafka}[event]
+    END
+
+voltha_tools
+    [Documentation]    Checks functions from the Voltha tools library with decoding Kafka messages. The variables
+    ...    _kafka_voltha_events_messages_ and _voltha_resource_instances_ are defined in the variables file.
+    FOR    ${kafka}    IN    @{kafka_voltha_events_messages}
+        ${event}    vtools.Events Decode Event    ${kafka}[message]    return_defaults=true
+        Should Be Equal    ${event}[header][id]    Voltha.openolt..1613491472935896440
+        Should Be Equal    ${event}[kpi_event2][type]    slice
+        ${event}    vtools.Events Decode Event    ${kafka}[message]
+        Dictionary Should Not Contain Key    ${event}[kpi_event2]    type
+    END
+    FOR    ${input}    IN    @{voltha_resource_instances}
+        ${instance}    vtools.Tech Profile Decode Resource Instance    ${input}    return_defaults=true
+        Should Be Equal    ${instance}[tp_id]    ${64}
+    END
+
+*** Keywords ***
+version_check
+    [Documentation]    Determines the version of the installed package and compares it with the returned version of the
+    ...    corresponding keyword.
+    [Arguments]    ${package_name}     ${kw_name}
+    ${pip show}    os.Run    python3 -m pip show ${package_name} | grep Version
+    ${pip show}    Split To Lines    ${pip show}
+    FOR    ${line}    IN    @{pip show}
+         ${is_version}    Evaluate    '${line}'.startswith('Version')
+         Continue For Loop If    not ${is_version}
+         ${pip_version}    Evaluate    '${line}'.split(':')[-1].strip()
+    END
+    ${lib_version}    Run Keyword    ${kw_name}
+    Should Be Equal    ${pip_version}    ${lib_version}