def createFromText(text, playUrlTitle):
""" Creates and saves a review from the passed text and playUrlTitle, setting other fields appropriately."""
# Create the new review
newReview = Review()
newReview.text = text
# This shiould be handled at the DB level.
# newReview.timestamp = datetime.now()
newReview.rating = text_processing.rateReview(text)
newReview.play = Play.objects.get(url_title=playUrlTitle)
# newReview.playRatingSum = None
# newReview.playReviewCount = None
# Save it
with transaction.atomic():
# Lock the play
newReview.play = Play.objects.select_for_update().get(url_title=playUrlTitle)
# Ensure the new review is accounted for.
newReview.save()
playRatingQuery = newReview.play.review_set.aggregate(play_rating=models.Avg("rating"))
newReview.play.rating = playRatingQuery["play_rating"]
newReview.play.save()
# lastReview = newReview.play.review_set.latest(field_name="timestamp")
#
# newReview.playRatingSum = lastReview.playRatingSum + newReview.rating
# newReview.playReviewCount = lastReview.playReviewCount + 1
# Give back the (now saved) review.
return newReview
def testSimplePositive(self):
"""Tests simple, positive text, making sure we get a positive result."""
result = text_processing.rateReview(SentimentTestHelper.POSITIVE_REVIEW_TEXT)
# Overtly positive text should return a result above 0.
self.assertGreater(result, 0)
def testSimpleNegative(self):
"""Tests simple, negative text, making sure we get a negative result."""
result = text_processing.rateReview(SentimentTestHelper.NEGATIVE_REVIEW_TEXT)
# Overtly negative text should return a result below 0.
self.assertLess(result, 0)
def testSimpleText(self):
"""Tests some simple text, checking that we get some result."""
result = text_processing.rateReview("Simple test text.")
self.assertIsNotNone(result)
