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Parameters

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Supported Response Area Types

This evaluation function is not configured for any Response Area components

Parameters are communicated from the web application to the evaluation function in JSON format, which are passed to evaluation_function() as a dictionary.

This dictionary has several fields:

  • global_variables_check_list: This is either a list of strings, or a comma-delimited string containing a list of variable names to check. If this list is present, a global variable check is performed, and the given variables are compared between the response and the answer.
  • check_func: This is a string containing the name of a function. If this is present, a function check is performed on this function
  • check_names: A boolean. If this is true, all functions and classes in the response must match with the answer exactly.
  • output_inexact: A boolean. If this is true, a tolerance is applied to values printed to the console. This is useful for comparing numbers, where for example 0, 0.0 and 0.000000005 should be considered the same due to floating point precision. Otherwise, string comparisons are used.

This parameter format is simple, but flawed. It is not possible to specify exactly which checks are run. For example, currently, if check_func is set, the specified function will be tested but the global variables will not be checked, even if global_variables_check_list is given. This is a clear area for improvement.