- description: Add a computed field for author table
  url: /v1/query
  status: 200
  query:
    type: add_computed_field
    args:
      table: author
      name: get_articles
      definition:
        function: fetch_articles
        table_argument: author_row
  response:
    message: success

- description: Drop computed field of a non existed table
  url: /v1/query
  status: 400
  query:
    type: drop_computed_field
    args:
      table: random
      name: get_articles
  response:
    path: $.args.table
    error: 'table "random" does not exist in source: default'
    code: not-exists
- description: Drop a non existed computed field
  url: /v1/query
  status: 400
  query:
    type: drop_computed_field
    args:
      table: author
      name: random
  response:
    path: $.args.name
    error: computed field "random" does not exist
    code: not-exists

- description: Drop a valid computed field
  url: /v1/query
  status: 200
  query:
    type: drop_computed_field
    args:
      table: author
      name: get_articles
  response:
    message: success

- description: Add a computed field, passing the Hasura session argument
  url: /v1/query
  status: 200
  query:
    type: add_computed_field
    args:
      table: author
      name: test_session
      definition:
        function: test_session
        session_argument: session
  response:
    message: success

- description: obtain the session variable via computed fields
  url: /v1/graphql
  status: 200
  query:
    query: |
      query {
        author_by_pk(id: 1) {
          test_session(args:{key:"x-hasura-role"})
        }
      }
  response:
    data:
      author_by_pk:
        test_session: admin