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How to use pre_save method in hypothesis

Best Python code snippet using hypothesis

models.py

Source:models.py

...755    created_at = DateTimeField(default=datetime.now)756    unread = BooleanField(required=True, default=True)757    msg_type = StringField(max_length=7, required=True, choices=message_type_choices)758    @classmethod  # signal pre_save (asociar em cada modelo)759    def pre_save(cls, sender, document, **kwargs):760        document.created_at = datetime.now()761    meta = {762        'collection': 'messages',763    }764signals.pre_save.connect(Message.pre_save, sender=Message)765# #### LOGS766class ExtractLog(DynamicDocument):767    meta = {768        'max_size': 104857600,  # 100 MB (104857600 Bytes)769        'max_documents': 100000,770        'collection': 'extract_log',771        'db_alias': config.OPAC_PROC_LOG_MONGODB_NAME,772    }773class TransformLog(DynamicDocument):...

tests.py

Source:tests.py

1import sys2from StringIO import StringIO3from django.test import TestCase4from django.db import models5from regressiontests.signals_regress.models import Author, Book6signal_output = []7def pre_save_test(signal, sender, instance, **kwargs):8    signal_output.append('pre_save signal, %s' % instance)9    if kwargs.get('raw'):10        signal_output.append('Is raw')11def post_save_test(signal, sender, instance, **kwargs):12    signal_output.append('post_save signal, %s' % instance)13    if 'created' in kwargs:14        if kwargs['created']:15            signal_output.append('Is created')16        else:17            signal_output.append('Is updated')18    if kwargs.get('raw'):19        signal_output.append('Is raw')20def pre_delete_test(signal, sender, instance, **kwargs):21    signal_output.append('pre_save signal, %s' % instance)22    signal_output.append('instance.id is not None: %s' % (instance.id != None))23def post_delete_test(signal, sender, instance, **kwargs):24    signal_output.append('post_delete signal, %s' % instance)25    signal_output.append('instance.id is not None: %s' % (instance.id != None))26class SignalsRegressTests(TestCase):27    """28    Testing signals before/after saving and deleting.29    """30    def get_signal_output(self, fn, *args, **kwargs):31        # Flush any existing signal output32        global signal_output33        signal_output = []34        fn(*args, **kwargs)35        return signal_output36    def setUp(self):37        # Save up the number of connected signals so that we can check at the end38        # that all the signals we register get properly unregistered (#9989)39        self.pre_signals = (len(models.signals.pre_save.receivers),40                       len(models.signals.post_save.receivers),41                       len(models.signals.pre_delete.receivers),42                       len(models.signals.post_delete.receivers))43        models.signals.pre_save.connect(pre_save_test)44        models.signals.post_save.connect(post_save_test)45        models.signals.pre_delete.connect(pre_delete_test)46        models.signals.post_delete.connect(post_delete_test)47    def tearDown(self):48        models.signals.post_delete.disconnect(post_delete_test)49        models.signals.pre_delete.disconnect(pre_delete_test)50        models.signals.post_save.disconnect(post_save_test)51        models.signals.pre_save.disconnect(pre_save_test)52        # Check that all our signals got disconnected properly.53        post_signals = (len(models.signals.pre_save.receivers),54                        len(models.signals.post_save.receivers),55                        len(models.signals.pre_delete.receivers),56                        len(models.signals.post_delete.receivers))57        self.assertEqual(self.pre_signals, post_signals)58    def test_model_signals(self):59        """ Model saves should throw some signals. """60        a1 = Author(name='Neal Stephenson')61        self.assertEqual(self.get_signal_output(a1.save), [62            "pre_save signal, Neal Stephenson",63            "post_save signal, Neal Stephenson",64            "Is created"65        ])66        b1 = Book(name='Snow Crash')67        self.assertEqual(self.get_signal_output(b1.save), [68            "pre_save signal, Snow Crash",69            "post_save signal, Snow Crash",70            "Is created"71        ])72    def test_m2m_signals(self):73        """ Assigning and removing to/from m2m shouldn't generate an m2m signal """74        b1 = Book(name='Snow Crash')75        self.get_signal_output(b1.save)76        a1 = Author(name='Neal Stephenson')77        self.get_signal_output(a1.save)78        self.assertEqual(self.get_signal_output(setattr, b1, 'authors', [a1]), [])...

signals.py

Source:signals.py

1"""App signals module"""2from django.db.models import Max3from django.db.models.signals import pre_save, post_save4from django.dispatch import receiver5from django.utils.text import slugify6from django.utils.timezone import now7from django.utils.translation import ugettext_lazy as _8from action.models import Action, Event, RecurrentAction, Note, Step, Log9#10# Receivers11#12@receiver(pre_save, sender=Action, dispatch_uid="action_pre_created")13@receiver(pre_save, sender=Event, dispatch_uid="event_pre_created")14@receiver(pre_save, sender=RecurrentAction, dispatch_uid="recurrent_action_pre_created")15def action_pre_created(sender, instance, raw, using, update_fields, **kwargs):  # pylint: disable=unused-argument16    """Create name and slug"""17    if instance.pk:  # Called only on creation18        return19    # from nose.tools import set_trace; set_trace()20    instance.name = "{} {} â {}".format(instance.priority[0], instance.project.name, instance.label)21    if not instance.slug:22        instance.slug = slugify(instance.project.name + "__" + instance.label)23@receiver(post_save, sender=Action, dispatch_uid="action_post_save")24@receiver(post_save, sender=Event, dispatch_uid="event_post_save")25@receiver(post_save, sender=RecurrentAction, dispatch_uid="recurrent_action_post_save")26def action_post_save(sender, instance, created, raw, using, update_fields,27                     **kwargs):  # pylint: disable=unused-argument,too-many-arguments28    """Create the first log when an action is created."""29    if not created:30        return31    Log.objects.create(action=instance, date=now(), content=_("Creation of the action"))32@receiver(pre_save, sender=Note, dispatch_uid="note_pre_created")33@receiver(pre_save, sender=Step, dispatch_uid="step_pre_created")34@receiver(pre_save, sender=Log, dispatch_uid="log_pre_created")35def inline_pre_created(sender, instance, raw, using, update_fields, **kwargs):  # pylint: disable=unused-argument36    """Create number"""37    if instance.pk:  # Called only on creation38        return39    # from nose.tools import set_trace; set_trace()...

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