*** Settings ***
Documentation     This Clause defines all the resources and methods provided by the VNF Indicator interface. \
Library           JSONSchemaLibrary    schemas/
Resource          environment/variables.txt    # Generic Parameters
Library           JSONLibrary
Library           String
Library           REST    ${EM-VNF_SCHEMA}://${EM-VNF_HOST}:${EM-VNF_PORT}    ssl_verify=false

*** Test Cases ***
Get all VNF Indicators
    [Documentation]    Test ID: 6.3.2.1.1
    ...    Test title: Get all VNF Indicators
    ...    Test objective: The objective is to test the retrieval of all the available VNF indicators and perform a JSON schema validation of the collected indicators data structure
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Get all VNF indicators
    Check HTTP Response Status Code Is    200
    Check HTTP Response Body Json Schema Is   vnfIndicators
    
Get VNF Indicators with attribute-based filter
    [Documentation]    Test ID: 6.3.2.1.2
    ...    Test title: Get VNF Indicators with attribute-based filter
    ...    Test objective: The objective is to test the retrieval of VNF indicators using attribute-based filter, perform a JSON schema validation of the collected indicators data structure, and verify that the retrieved information matches the issued attribute-based filters 
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Get VNF indicators with filter
    Check HTTP Response Status Code Is    200
    Check HTTP Response Body Json Schema Is   vnfIndicators
    Check HTTP Response Body vnfIndicators Matches the requested attribute-based filter

Get VNF Indicators with invalid attribute-based filter
    [Documentation]    Test ID: 6.3.2.1.3
    ...    Test title: Get VNF Indicators with invalid attribute-based filter
    ...    Test objective: The objective is to test that the retrieval of VNF indicators fails when using invalid attribute-based filters, and perform the JSON schema validation of the failed operation HTTP response. 
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Get VNF indicators with invalid filter
    Check HTTP Response Status Code Is    400
    Check HTTP Response Body Json Schema Is   ProblemDetails

Get all VNF Indicators with malformed authorization token
    [Documentation]    Test ID: 6.3.2.1.4
    ...    Test title: GET all VNF Indicators with malformed authrization token.
    ...    Test objective: The objective is to test that the retrieval of VNF indicators fails when using malformed authorization token
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 4.5.3.3, 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators. The VNF requires the usage of access tokens for authorizing the API requests.
    ...    Post-Conditions: none
    Get all VNF indicators with malformed authorization token
    Check HTTP Response Status Code Is    400
    Check HTTP Response Body Json Schema Is   ProblemDetails

Get all VNF Indicators without authorization token
    [Documentation]    Test ID: 6.3.2.1.5
    ...    Test title: GET all VNF Indicators without authorization token
    ...    Test objective: The objective is to test that the retrieval of VNF indicators fails when omitting the authorization token
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 4.5.3.3, 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators. The VNF requires the usage of access tokens for authorizing the API requests.
    ...    Post-Conditions: none
    Get all VNF indicators without authorization token
    Check HTTP Response Status Code Is    401
    Check HTTP Response Body Json Schema Is   ProblemDetails

GET all VNF Indicators with expired or revoked authorization token
    [Documentation]    Test ID: 6.3.2.1.6
    ...    Test title: GET all VNF Indicators with expired or revoked authorization token
    ...    Test objective: The objective is to test that the retrieval of VNF indicators fails when using expired or revoked authorization token
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 4.5.3.3, 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators. The VNF requires the usage of access tokens for authorizing the API requests.
    ...    Post-Conditions: none
    Get all VNF indicators with expired or revoked authorization token
    Check HTTP Response Status Code Is    401
    Check HTTP Response Body Json Schema Is   ProblemDetails

Get all VNF Indicators with invalid resource endpoint
    [Documentation]    Test ID: 6.3.2.1.7
    ...    Test title: GET all VNF Indicators with invalid resource endpoint
    ...    Test objective: The objective is to test that the retrieval of VNF indicators fails when using invalid resource endpoint
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators. 
    ...    Post-Conditions: none
    Get all VNF indicators with invalid resource endpoint
    Check HTTP Response Status Code Is    404
    Check HTTP Response Body Json Schema Is   ProblemDetails

POST all VNF Indicators - Method not implemented
    [Documentation]    Test ID: 6.3.2.1.8
    ...    Test title: POST all VNF Indicators - Method not implemented
    ...    Test objective: The objective is to test that POST method is not allowed to create new VNF indicators
    ...    Pre-conditions: none
    ...    Reference: Clause 8.4.2.3.1 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Send POST Request for all VNF indicators
    Check HTTP Response Status Code Is    405

PUT all VNF Indicators - Method not implemented
    [Documentation]    Test ID: 6.3.2.1.9
    ...    Test title: PUT all VNF Indicators - Method not implemented
    ...    Test objective: The objective is to test that PUT method is not allowed to modify VNF indicators
    ...    Pre-conditions: none
    ...    Reference: Clause 8.4.2.3.3 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Send PUT Request for all VNF indicators
    Check HTTP Response Status Code Is    405

PATCH all VNF Indicators - Method not implemented
     [Documentation]    Test ID: 6.3.2.1.10
    ...    Test title: PATCH all VNF Indicators - Method not implemented
    ...    Test objective: The objective is to test that PATCH method is not allowed to update VNF indicators
    ...    Pre-conditions: none
    ...    Reference: Clause 8.4.2.3.4 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Send PATCH Request for all VNF indicators
    Check HTTP Response Status Code Is    405

DELETE all VNF Indicators - Method not implemented
    [Documentation]    Test ID: 6.3.2.1.11
    ...    Test title: DELETE all VNF Indicators - Method not implemented
    ...    Test objective: The objective is to test that DELETE method is not allowed to delete VNF indicators
    ...    Pre-conditions: none
    ...    Reference: Clause 8.4.2.3.5 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Send DELETE Request for all VNF indicators
    Check HTTP Response Status Code Is    405
    
Get VNF Indicators to get Paged Response
    [Documentation]    Test ID: 6.3.2.1.12
    ...    Test title: Get VNF Indicators to get Paged Response
    ...    Test objective: The objective is to test the retrieval of all the available VNF indicators with Paged Response.
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Get all VNF indicators
    Check HTTP Response Status Code Is    200
    Check HTTP Response Header Contain Link
    
Get VNF Indicators - Bad Request Response too Big
    [Documentation]    Test ID: 6.3.2.1.13
    ...    Test title: Get VNF Indicators - Bad Request Response too Big
    ...    Test objective: The objective is to test that the retrieval of VNF indicators fails when response is too big, and perform the JSON schema validation of the failed operation HTTP response. 
    ...    Pre-conditions: A VNF instance is instantiated. One or more measures of VNF performance indicators are available in the VNF.
    ...    Reference: Clause 8.4.2.3.2 - ETSI GS NFV-SOL 002 [2] v2.7.1
    ...    Config ID: Config_prod_VE
    ...    Applicability: The VNF supports the generation and maintenance of performance indicators.
    ...    Post-Conditions: none
    Get all VNF indicators
    Check HTTP Response Status Code Is    400
    Check HTTP Response Body Json Schema Is   ProblemDetails
    
*** Keywords ***
Get all VNF indicators
    Log    The GET method queries multiple VNF indicators
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Get VNF indicators with filter
    Log    The GET method queries multiple VNF indicators using Attribute-based filtering parameters
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators?${POS_FIELDS}
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Get VNF indicators with invalid filter
    Log    The GET method queries multiple VNF indicators using invalid Attribute-based filtering parameters
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators?${NEG_FIELDS}
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Get all VNF indicators with malformed authorization token
    Pass Execution If    ${AUTH_USAGE} == 0    Skipping test as EM/VNF is not supporting authentication
    Log    The GET method queries multiple VNF indicators using invalid token
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Set Headers    {"Authorization": "${BAD_AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Get all VNF indicators with expired or revoked authorization token
    Pass Execution If    ${AUTH_USAGE} == 0    Skipping test as EM/VNF is not supporting authentication
    Log    The GET method queries multiple VNF indicators using invalid token
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Set Headers    {"Authorization": "${NEG_AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Get all VNF indicators without authorization token
    Pass Execution If    ${AUTH_USAGE} == 0    Skipping test as EM/VNF is not supporting authentication
    Log    The GET method queries multiple VNF indicators omitting token
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Get all VNF indicators with invalid resource endpoint
    Log    The GET method queries multiple VNF indicators omitting token
    Set Headers    {"Accept": "${ACCEPT_JSON}"}
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
    Log    Execute Query and validate response
    Get    ${apiRoot}/${apiName}/${apiMajorVersion}/indicator
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Send POST Request for all VNF indicators
    log    Trying to perform a POST. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT_JSON}"}  
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Send PUT Request for all VNF indicators
    log    Trying to perform a PUT. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT_JSON}"}  
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Send PATCH Request for all VNF indicators
    log    Trying to perform a PATCH. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT_JSON}"}  
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}
    
Send DELETE Request for all VNF indicators
    log    Trying to perform a DELETE. This method should not be implemented
    Set Headers  {"Accept":"${ACCEPT_JSON}"}  
    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}
    Post    ${apiRoot}/${apiName}/${apiMajorVersion}/indicators
    ${output}=    Output    response
    Set Suite Variable    ${response}    ${output}

Check HTTP Response Status Code Is
    [Arguments]    ${expected_status}
    ${status}=    Convert To Integer    ${expected_status}    
    Should Be Equal    ${response['status']}    ${status} 
    Log    Status code validated
    Run Keyword If    ${status} == 401
    ...    Check HTTP Response Header Contains    "WWW-Authenticate"    

Check HTTP Response Header Contains
    [Arguments]    ${CONTENT_TYPE}
    Should Contain    ${response['headers']}    ${CONTENT_TYPE}
    Log    Header is present
    
Check HTTP Response Body Json Schema Is
    [Arguments]    ${schema}
    Should Contain    ${response['headers']['Content-Type']}    application/json
    ${jsonSchema}=    Catenate    SEPARATOR=    ${schema}    .schema.json
    Validate Json    ${jsonSchema}    ${response['body']}
    Log    Json Schema Validation OK
    
Check HTTP Response Body vnfIndicators Matches the requested attribute-based filter
    Log    Check Response includes VNF Indicators according to filter
    @{attr} =  Split String    ${POS_FILTER}       ,${VAR_SEPERATOR} 
    @{var_name} =    Split String    @{attr}[0]       ,${SEPERATOR}
    @{var_id} =    Split String    @{attr}[1]       ,${SEPERATOR}
    Should Be True     "${response['body'][0]['name']}"=="@{var_name}[1]" and "${response['body'][0]['vnfInstanceId']}"=="@{var_id}[1]"

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