def test_is_alertworthy(self):
visit_stats = models.VisitStatistics._parse_visit_statistics(
TestVisitStatistics.XML1)
self.assertTrue(visit_stats.is_alertworthy())
visit_stats = models.VisitStatistics._parse_visit_statistics(
TestVisitStatistics.XML2)
self.assertTrue(visit_stats.is_alertworthy())
xml = """<growthserver_response
date_generated="2009-11-14 20:39:51 +0000">
<input_data name="dan" sex="MALE" birth_date="2004-01-01"
visit_date="2005-01-01" weight="10.0" height="75.0"
height_position="STANDING"/>
<results age_in_days="366" body_mass_index="17.450514702931162"
weight_for_length_or_height_percentile="66.7783773713256"
weight_for_length_or_height_zscore="0.43380445727739364"
weight_for_age_percentile="62.66980078419666"
weight_for_age_zscore="0.32312372717576165"
length_or_height_for_age_percentile="48.690119540446844"
length_or_height_for_age_zscore="-0.03284387440408244"
body_mass_index_for_age_percentile="68.23541425051107"
body_mass_index_for_age_zscore="0.47429455486975625"
head_circumference_for_age_percentile="93.31248910073958"
head_circumference_for_age_zscore="1.4994767847047703"/>
</growthserver_response>"""
visit_stats = models.VisitStatistics._parse_visit_statistics(xml)
self.assertEquals(-1.0, util.bucket_zscore(
visit_stats.get_worst_zscore()))
self.assertFalse(visit_stats.is_alertworthy())
xml = """<growthserver_response
date_generated="2009-11-14 20:39:51 +0000">
<input_data name="dan" sex="MALE" birth_date="2004-01-01"
visit_date="2005-01-01" weight="10.0" height="75.0"
height_position="STANDING"/>
<results age_in_days="366" body_mass_index="17.450514702931162"
weight_for_length_or_height_percentile="0.1"
weight_for_length_or_height_zscore="-3.91"
weight_for_age_percentile="42.8"
weight_for_age_zscore="-0.18"
length_or_height_for_age_percentile="99.6"
length_or_height_for_age_zscore="2.69"
body_mass_index_for_age_percentile="1.7"
body_mass_index_for_age_zscore="-2.13"
head_circumference_for_age_percentile="93.31248910073958"
head_circumference_for_age_zscore="1.4994767847047703"/>
</growthserver_response>"""
visit_stats = models.VisitStatistics._parse_visit_statistics(xml)
self.assertEquals(-4.0, util.bucket_zscore(
visit_stats.get_worst_zscore()))
self.assertTrue(visit_stats.is_alertworthy())
def set_latest_visit(self, latest_visit = None, force = False, put = True):
'''Set latest visit cache.
latest_visit: if the caller knows the latest visit, it can be given,
otherwise it is queried
force: recalculate even if the cache is the same
put: if False, don't put, so caller can do bulk puts.
Could throw a TypeError if there is no visit with a numeric zscore.
'''
logging.info("Recalculate latest_visit_cache for %s" % self.short_string)
needs_put = False
if latest_visit is None:
latest_visit = self.get_latest_visit()
if latest_visit:
if force:
self.latest_visit_date = latest_visit.visit_date
self.latest_visit_short_string = latest_visit.short_string
# TODO(dan): This throws a TypeError if get_worst_zscore is not
# a float. Do all clients deal with that?
self.latest_visit_worst_zscore_rounded = util.bucket_zscore(
latest_visit.get_visit_statistics().get_worst_zscore())
# Bound at the bottom for sorting and filtering
# HACK(dan): This -3 is linked to PatientSearchForm
if self.latest_visit_worst_zscore_rounded < -3:
self.latest_visit_worst_zscore_rounded = Patient.BELOW_LOWEST_ZSCORE
# logging.info("rounded %s" % self.latest_visit_worst_zscore_rounded)
needs_put = True
if put:
self.put()
# logging.info("Needs put: %s" % self.short_string)
return needs_put
def test_nans(self):
'''This was a bug in bucket_zscore: all zscores are NaNs'''
xml= """
<growthserver_response date_generated="2011-02-08 21:35:49 +0000">
<input_data name="" sex="MALE" birth_date="2011-02-10"
visit_date="2011-02-08"
weight="30.0" height="40.0" height_position="STANDING"/>
<results age_in_days="-1" body_mass_index="181.1058322114833"
weight_for_length_or_height_percentile="NaN"
weight_for_length_or_height_zscore="NaN"
weight_for_age_percentile="NaN" weight_for_age_zscore="NaN"
length_or_height_for_age_percentile="NaN"
length_or_height_for_age_zscore="NaN"
body_mass_index_for_age_percentile="NaN"
body_mass_index_for_age_zscore="NaN"
head_circumference_for_age_percentile="NaN"
head_circumference_for_age_zscore="NaN"/>
</growthserver_response>"""
visit_stats = models.VisitStatistics._parse_visit_statistics(xml)
self.assertTrue(util.isNaN(util.bucket_zscore(
visit_stats.get_worst_zscore())))
