There is a good talk by Chris Houser, "Condition Systems in an Exceptional
Language" [1] where he systematically goes through many of the aspects on
handling exceptions in batch processing (like the problem Josh describes).
An interesting way to build a conditional error handler is outlined towa
I have the same problem: I need to log warnings based on some criteria and
reject records completely based on other criteria. I'm currently using two
separate specs, but I haven't convinced myself that is the best solution.
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Has anyone explored using spec for “soft” failures? For example, if I’m writing
an ETL system to migrate legacy customer account data, all I might require of a
record’s :created field is that the value is a syntactically valid date-time
string. If any record claimed that it was created on
"1970
