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*** Settings ***
Resource    variables.txt 
Library    REST    http://${VNFM_HOST}:${VNFM_PORT} 
...        spec=SOL003-VNFLifecycleManagement-API.yaml
Library     DependencyLibrary
Suite setup    Check resource existance

*** Test Cases ***
Terminate a vnfInstance
    [Documentation]   Terminates a VNF instance
    Log    Trying to terminate a VNF instance.
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    ${Terminate_Vnf_REQUEST}
    Integer    response status    202
    Log    Status code validated

Terminate a vnfInstance Conflict (Not-Instantiated)
    # TODO: Need to set the pre-condition of the test. VNF instance shall be in INSTANTIATED state
    [Documentation]    Conflict. 
    ...    The operation cannot be executed currently, due to a conflict with the state of the VNF instance resource. 
    ...    Typically, this is due to the fact that the VNF instance resource is in NOT-INSTANTIATED state, 
    ...    or that another lifecycle management operation is ongoing. 
    ...    The response body shall contain a ProblemDetails structure, in which the “detail” attribute should convey more information about the error.
    [Setup]    Check resource not instantiated
    Log    Trying to terminate a VNF instance.
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    ${Terminate_Vnf_REQUEST}
    Output    response
    Integer    response status    409
    Log    Status code validated

Terminate a vnfInstance Conflict (parallel LCM operation)
    # TODO: Need to set the pre-condition of the test
    [Documentation]    Conflict
    ...    The operation cannot be executed currently, due to a conflict with the state of the VNF instance resource. 
    ...    Typically, this is due to the fact that the VNF instance resource is in NOT-INSTANTIATED state, 
    ...    or that another lifecycle management operation is ongoing. 
    ...    The response body shall contain a ProblemDetails structure, in which the “detail” attribute should convey more information about the error.
    [Setup]    Launch another LCM operation
    log    Trying to change the deployment flavour of a VNF instance.
    Set Headers    {"Accept":"${ACCEPT}"}  
    Set Headers    {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    ${Terminate_Vnf_REQUEST}
    Log    Validate Status code
    Output    response
    Integer    response status    409
    [Teardown]    #We cannot know if the "scale" operation is finished easily because the 202 indicates only whether the operation has been accepted, not whether the operation has been finished
       
    
GET Terminate VNFInstance - Method not implemented
    log    Trying to perform a GET. This method should not be implemented
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    
    Log    Validate Status code
    Output    response
    Integer    response status    405

PUT Terminate VNFInstance - Method not implemented
    log    Trying to perform a PUT. This method should not be implemented
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Put    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    
    Log    Validate Status code
    Output    response
    Integer    response status    405

PATCH Terminate VNFInstance - Method not implemented
    log    Trying to perform a PATCH. This method should not be implemented
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Patch    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    
    Log    Validate Status code
    Output    response
    Integer    response status    405
    
DELETE Terminate VNFInstance - Method not implemented
    log    Trying to perform a DELETE. This method should not be implemented
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Delete    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/terminate    
    Log    Validate Status code
    Output    response
    Integer    response status    405

*** Key words ***
Check resource existance
    Set Headers    {"Accept":"${ACCEPT}"}  
    Set Headers    {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId} 
    Integer    response status    200

Check resource not instantiated
    Set Headers    {"Accept":"${ACCEPT}"}  
    Set Headers    {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId} 
    String    response body instantiationState    NOT_INSTANTIATED

Check change flavour not supported
    Set Headers    {"Accept":"${ACCEPT}"}  
    Set Headers    {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId} 
    # how to check if change floavour is not supported? "flavourId" doesn't exist?

Launch another LCM operation
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/scale    ${Scale_Vnf_REQUEST}
    Integer    response status    202