Python TriggerConcurrentModel Examples

Example #1

File: test_triggerversionfield.py Project: Naddiseo/django-concurrency

def test_trigger_do_not_increase_version_if_error():
    instance = TriggerConcurrentModel()
    assert instance.pk is None
    assert instance.version == 0
    with mock.patch('demo.models.TriggerConcurrentModel.save', side_effect=IntegrityError):
        with pytest.raises(IntegrityError):
            instance.save()

    assert instance.version == 0

Example #2

File: test_triggerversionfield.py Project: reinbach/django-concurrency

def test_trigger_do_not_increase_version_if_error():
    instance = TriggerConcurrentModel()
    assert instance.pk is None
    assert instance.version == 0
    with mock.patch('demo.models.TriggerConcurrentModel.save', side_effect=IntegrityError):
        with pytest.raises(IntegrityError):
            instance.save()

    assert instance.version == 0

Example #3

File: test_triggerversionfield.py Project: saxix/django-concurrency

def test_trigger_external_update():
    instance = TriggerConcurrentModel()
    assert instance.pk is None
    assert instance.version == 0

    instance.save()
    assert instance.version == 1
    with connection.cursor() as c:
        c.execute("UPDATE {} SET username='******' WHERE id='{}'".format(instance._meta.db_table, instance.pk))
    obj = refetch(instance)
    assert obj.version == 2

Example #4

def test_trigger_external_update():
    instance = TriggerConcurrentModel()
    assert instance.pk is None
    assert instance.version == 0

    instance.save()
    assert instance.version == 1
    with connection.cursor() as c:
        c.execute("UPDATE {} SET username='******' WHERE id='{}'".format(
            instance._meta.db_table, instance.pk))
    obj = refetch(instance)
    assert obj.version == 2

Example #5

File: test_triggerversionfield.py Project: Naddiseo/django-concurrency

def test_trigger():
    instance = TriggerConcurrentModel()
    assert instance.pk is None
    assert instance.version == 0

    instance.username = next(nextname)
    instance.save()  # insert
    instance = refetch(instance)
    assert instance.version == 1

    instance.username = next(nextname)
    instance.save()  # update
    assert instance.version == 2

    instance.username = next(nextname)
    instance.save()  # update
    assert instance.version == 3

    instance.username = next(nextname)
    instance.save(refetch=True)  # update
    assert instance.version == 4

    copy = refetch(instance)
    copy.save()

    with pytest.raises(RecordModifiedError):
        instance.save()

Example #6

File: test_triggerversionfield.py Project: reinbach/django-concurrency

def test_trigger():
    instance = TriggerConcurrentModel()
    assert instance.pk is None
    assert instance.version == 0

    instance.username = next(nextname)
    instance.save()  # insert
    instance = refetch(instance)
    assert instance.version == 1

    instance.username = next(nextname)
    instance.save()  # update
    assert instance.version == 2

    instance.username = next(nextname)
    instance.save()  # update
    assert instance.version == 3

    copy = refetch(instance)
    copy.save()

    with pytest.raises(RecordModifiedError):
        instance.save()