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Ran 25 Jun 2014 03:13PM UTC

Files 66

Run time 5min

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Committed 25 Jun 2014 02:54PM UTC coverage: 83.3%. Remained the same

Job # 1829.1

Build Type

push

travis-ci

Committed by

ssanderson

Commit Message

BUG: History no longer fails on length-1 '1m' price-only HistorySpecs

The bug occurred because there is a special case in the initial window setup
code for handling the case where only a length-1 history is used for a given
frequency.  Previously, the code was incorrectly calculating the period end
using a hard-coded expression for the end of the day (the correct behavior for
a length-1 '1d' history), and then using the frequency object to calculate the
period start for the window.  In the case of length 1 '1m' data, this resulted
in an initial window whose start and end was the last minute of the day rather
than the first minute of the day.  For non-price fields, this error doesn't
matter, because the window is only used for rolling digests (which doesn't
happen when there's only a length-1 history), and for the forward-filling logic
(which only happens on price fields).  For a length-1 '1m' price, however, the
incorrect window causes us to attempt to forward-fill an empty panel, resulting
in an IndexError when we do an iloc[0] on a length-0 axis.

Run Details

4165 of 5000 relevant lines covered (83.3%)

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