Run function arguments

The run function has the following signature:

def run(options,
        configure,
        input_files,
        extra_args=None,
        filters=None,
        accepted_errors=None):
    ...

options is set by the command line interface (by the user executing runtest).

configure is specific to the code at hand (see the Example test script).

input_files contains the input files passed to the code launcher. The data structure of input_files is set by the configure function (in other words by the code using runtest).

There are three more optional arguments to the run function which by default are set to None:

extra_args contains extra arguments. Again, its data structure of is set by the configure function (in other words by the code using runtest).

filters is a dictionary of suffix and filter list pairs and contains filters to apply to the results. If we omit to pass it, then the calculations will be run but not verified. This is useful for multi-step jobs. See also the Example test script. If the output_prefix in the configure function is set to None, then the filters are applied to the file names literally.