*** Settings ***
Resource   environment/variables.txt 
Library    REST    ${NFVO_SCHEMA}://${NFVO_HOST}:${NFVO_PORT}    ssl_verify=false
Library    OperatingSystem
Library    JSONLibrary
Library    JSONSchemaLibrary    schemas/
Library    String

*** Keywords ***
Check HTTP Response Status Code Is
    [Arguments]    ${expected_status}    
    Should Be Equal As Strings    ${response['status']}    ${expected_status}
    Log    Status code validated

Check HTTP Response Header Contains
    [Arguments]    ${CONTENT_TYPE}
    Should Contain    ${response['headers']}    ${CONTENT_TYPE}
    Log    Header is present
    
Check HTTP Response Header Contains Resource URI
    ${uri}=    Get Value From Json    ${response['headers']}    $..Location
    Should Not Be Empty    ${uri}
    Log    URI is present

Check subscription existence
    Set Headers    {"Accept":"${ACCEPT}"}  
    Set Headers    {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId} 
    Integer    response status    200

Check HTTP Response Header Contains Link
    ${linkURL}=    Get Value From Json    ${response['headers']}    $..Link
    Should Not Be Empty    ${linkURL}

Check HTTP Response Body Json Schema Is
    [Arguments]    ${input}
    ${schema} =    Catenate    ${input}    .schema.json
    Validate Json    ${schema}    ${response['body']}

POST subscriptions
    Log    Create subscription instance by POST to ${apiRoot}/${apiName}/${apiVersion}/subscriptions
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    ${body}=    Get File    jsons/NsInstanceUsageSubscriptionRequest.json
    Post    ${apiRoot}/${apiName}/${apiVersion}/subscriptions    ${body}    
	${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
POST subscriptions DUPLICATION
    Log    Trying to create a subscription with an already created content
    Pass Execution If    ${NFVO_DUPLICATION} == 1    NFVO is permitting duplication. Skipping the test
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    ${body}=    Get File    jsons/NsInstanceUsageSubscriptionRequest.json
    Post    ${apiRoot}/${apiName}/${apiVersion}/subscriptions    ${body}    
	${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
POST subscriptions NO DUPLICATION
    Log    Trying to create a subscription with an already created content
    Pass Execution If    ${NFVO_DUPLICATION} == 0    NFVO is not permitting duplication.
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    ${body}=    Get File    jsons/NsInstanceUsageSubscriptionRequest.json
    Post    ${apiRoot}/${apiName}/${apiVersion}/subscriptions    ${body}    
	${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
GET Subscriptions
    Log    Get the list of active subscriptions
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiVersion}/subscriptions
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}

Get subscriptions with all_fields attribute selector
    Log    Get the list of active subscriptions, using fields
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?all_fields
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Get subscriptions with exclude_default attribute selector
    Log    Get the list of active subscriptions, using fields
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?exclude_default
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Get subscriptions with fields attribute selector
    Log    Get the list of active subscriptions, using fields
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?fields=${fields}
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}	
    
Get subscriptions with exclude_fields attribute selector
    Log    Get the list of active subscriptions, using fields
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?exclude_fields=${fields}
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}     
	
GET subscriptions with filter  
    Log    Get the list of active subscriptions using a filter
    Set Headers    {"Accept": "${ACCEPT}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?${sub_filter}
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}

Get subscriptions - invalid filter
    Log    Get the list of active subscriptions using an invalid filter
    Set Headers    {"Accept": "${ACCEPT}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?${sub_filter_invalid} 
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
PUT subscriptions
    Log    Trying to perform a PUT. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Put    ${apiRoot}/${apiName}/${apiVersion}/subscriptions    
	${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
PATCH subscriptions
    Log    Trying to perform a PATCH. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Patch    ${apiRoot}/${apiName}/${apiVersion}/subscriptions    
	${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
DELETE subscriptions
    Log    Trying to perform a DELETE. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Delete    ${apiRoot}/${apiName}/${apiVersion}/subscriptions    
	${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
POST Individual Subscription
    log    Trying to perform a POST. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId}
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}  
	
GET Individual subscription
    log    Trying to get information about an individual subscription
    Set Headers    {"Accept":"${ACCEPT}"}  
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId}  
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
PUT Individual Subscription
    log    Trying to perform a PUT. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Put    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId}
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}  
	
PATCH Individual Subscription
    log    Trying to perform a PATCH. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Patch    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId}
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}
	
DELETE Individual subscription
    log    Trying to delete an individual subscription
    Set Headers  {"Accept":"${ACCEPT}"}  
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Delete    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId}    
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}

Check resource existence and get CallbackUri
    Set Headers  {"Accept":"${ACCEPT_JSON}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Get    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${subscriptionId}
    Integer    response status    200
    Validate Json    response body    subscription.schema.json
    Set Global Variable    ${callbackResp}    response body callbackUri

POST NS Instance Usage Notification
    log    Trying to perform a POST to deliver notification
    Set Headers  {"Accept":"${ACCEPT_JSON}"}  
    Set Headers  {"Content-Type": "${CONTENT_TYPE_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    ${template} =    Get File    jsons/NSInstanceUsageNotification.json  
    ${body}=    Format String    ${template}    subscriptionId=${subscriptionId}
    Post    ${callbackResp}    ${body}
    ${outputResponse}=    Output    response
	Set Global Variable    ${response}    ${outputResponse}

Get subscriptions with exclude_default and fields attribute selector
    Log    Get the list of active subscriptions, using fields
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions?fields=${fields}&exclude_default
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Check Postcondition Individual Subscription is Deleted
    Log    Check Postcondition Subscription is deleted
    GET individual Subscription
    Check HTTP Response Status Code Is    404 

Check Postcondition Subscription Is Set
    Log    Check Postcondition subscription exist
    Log    Trying to get the subscription
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${apiRoot}/${apiName}/${apiVersion}/subscriptions/${response['body']['id']}
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    Check HTTP Response Status Code Is    200

Check Postcondition Subscription Resource Returned in Location Header Is Available
    Log    Going to check postcondition
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    GET    ${response['headers']['Location']}
    Integer    response status    200
    Log    Received a 200 OK as expected
    ${contentType}=    Output    response headers Content-Type
    Should Contain    ${contentType}    application/json
    ${result}=    Output    response body
    Validate Json    NsdmSubscription.schema.json    ${result}
    Log    Validated NsdmSubscription schema
    ${body}=    Get File    jsons/subscriptions.json
    ${subscription}=    evaluate    json.loads('''${body}''')    json
    Should Be Equal    ${result['callbackUri']}    ${subscription['callbackUri']}
    Log    Validated Issued subscription is same as original

Check Postcondition Subscriptions Exist
    Log    Checking that subscriptions exists
    Get Subscriptions 