feat: implement test cases for retrieve subscription

*** Settings ***

Documentation   Check that you cannot retrieve a subscription: If the subscription Id is not present or it is not a valid URI, then an error of type BadRequestData shall be raised

Resource    ${EXECDIR}/resources/ApiUtils.resource

Resource    ${EXECDIR}/resources/AssertionUtils.resource

Test Template  Retrieve Subscription With Non present Or Invalid Id

*** Test Cases ***          id

NotPresentId                ${EMPTY}

InvalidId                   InvalidUri

*** Keywords ***

Retrieve Subscription With Non present Or Invalid Id

    [Arguments]  ${id}

    [Documentation]  Check that you cannot retrieve a subscription: If the subscription Id is not present or it is not a valid URI, then an error of type BadRequestData shall be raised

    [Tags]  mandatory

    Retrieve Subscription   ${id}

    Check Response Status Code Set To  400

    Check Response Body Containing ProblemDetails Element Containing Type Element set to      ${response}     ${ERROR_TYPE_BAD_REQUEST_DATA}

    Check Response Body Containing ProblemDetails Element Containing Title Element    ${response}

*** Settings ***

Documentation   Check that you cannot retrieve a subscription: If the identifier provided does not correspond to any existing subscription in the system then an error of type ResourceNotFound shall be raised

Resource    ${EXECDIR}/resources/ApiUtils.resource

Resource    ${EXECDIR}/resources/AssertionUtils.resource

*** Test Case ***

Retrieve Unknown Subscription

    [Documentation]  Check that you cannot retrieve a subscription: If the identifier provided does not correspond to any existing subscription in the system then an error of type ResourceNotFound shall be raised

    [Tags]  mandatory

    Retrieve Subscription   unknownSubscription

    Check Response Status Code Set To  404

    Check Response Body Containing ProblemDetails Element Containing Type Element set to      ${response}     ${ERROR_TYPE_RESOURCE_NOT_FOUND}

    Check Response Body Containing ProblemDetails Element Containing Title Element    ${response}

*** Settings ***

Documentation   Check that you can retrieve a subscription

Resource    ${EXECDIR}/resources/ApiUtils.resource

Resource    ${EXECDIR}/resources/AssertionUtils.resource

Resource    ${EXECDIR}/resources/JsonUtils.resource

Suite Setup      Setup Initial Subscriptions

Suite Teardown      Delete Initial Subscriptions

*** Variable ***

${subscription_id_prefix}=  urn:ngsi-ld:Subscription:

${subscription_payload_file_path}=   subscriptions/subscription-sample.jsonld

*** Test Case ***

Retrieve Subscription

    [Documentation]  Check that you can retrieve a subscription

    [Tags]  mandatory

    Retrieve Subscription   ${subscription_id}     context=${ngsild_test_suite_context}

    Check Response Status Code Set To  200

    Check Response Body Containing Subscription element     ${subscription_payload_file_path}   ${subscription_id}

*** Keywords ***

Setup Initial Subscriptions

    ${subscription_id}=     Generate Random Entity Id    ${subscription_id_prefix}

    Create Subscription  ${subscription_id}     ${subscription_payload_file_path}   ${CONTENT_TYPE_LD_JSON}

    Set Suite Variable  ${subscription_id}

Delete Initial Subscriptions

    Delete Subscription     ${subscription_id}