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[ddlm-group] Task II: autogenerate a test for linked items

  • To: ddlm-group <ddlm-group@iucr.org>
  • Subject: [ddlm-group] Task II: autogenerate a test for linked items
  • From: James Hester <jamesrhester@gmail.com>
  • Date: Fri, 19 Oct 2018 13:13:35 +1100
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This email seeks an autogenerated test for checking that values of a data name that is linked, via _name.linked_item_id, to another data name, only take values taken by that data name. I have not been able to construct such a test, because I can't loop over the values of a dataname from a different category, because I cannot look up the category that a given dataname belongs to at test generation time (because I only have access to the contents of a single domain dictionary definition in the standard dREL execution environment). So this is more of a challenge: please come up with such a test, or a way to make such a test work. In the sketch of a solution below, you need to somehow either find the values of $linked_category and $linked_dataname_object at test generation time, or instead directly access those values at test execution time.

# ... previous sections
link_template = """
found = 'False'
loop q as $linked_category {
    if ($dataname == q.$linked_dataname_object) found = 'True'
    }
return found
"""
if (method.id == 'linked') {
    method.expression = resolve_variables(link_template)
}


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