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Resource    environment/variables.txt 
Library    REST    ${VNFM_SCHEMA}://${VNFM_HOST}:${VNFM_PORT} 
Library    DependencyLibrary
Library    OperatingSystem
Library    JSONLibrary
Library    JSONSchemaLibrary    schemas/
Suite Setup    Check resource existance


*** Test Cases ***
Instantiate a vnfInstance
    [Documentation]    Instantiate VNF The POST method instantiates a VNF instance.
    Log    Trying to Instantiate a vnf Instance
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
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    ${body}=    Get File    jsons/instantiateVnfRequest.json
    Post    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${vnfInstanceId}/instantiate    ${body}
    Integer    response status    202
    Log    Status code validated
    ${headers}=    Output    response headers
    Should Contain    ${headers}    Location
    Log    Validation OK

Instantiate a vnfInstance Conflict
    # 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 INSTANTIATED state. 
    ...    The response body shall contain a ProblemDetails structure, in which the �detail� attribute should convey more information about the error.
    [Setup]    Check resource instantiated
    Log    Trying to Instantiate a vnf Instance
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
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    ${body}=    Get File    jsons/instantiateVnfRequest.json
    Post    ${apiRoot}/${apiName}/${apiVersion}/vnf_instances/${instantiatedVnfInstanceId}/instantiate    ${body}
    Integer    response status    409
    Log    Status code validated
    ${contentType}=    Output    response headers Content-Type
    Should Contain    ${contentType}    ${CONTENT_TYPE}
    ${problemDetails}=    Output    response body
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    Validate Json    ProblemDetails.schema.json    ${problemDetails}
    Log    Validation OK
    
GET Instantiate 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}/instantiate    
    Log    Validate Status code
    Integer    response status    405

PUT Instantiate 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}/instantiate    
    Log    Validate Status code
    Integer    response status    405

PATCH Instantiate 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}/instantiate    
    Log    Validate Status code
    Integer    response status    405
    
DELETE Instantiate 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}/instantiate    
    Log    Validate Status code
    Integer    response status    405

*** Keywords ***
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 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    INSTANTIATED