Python is_postgresql_env_with_json_field Exemples

Exemple #1

                instance.data_updated_on_presave = 'presave_value'

pre_save.connect(TestModelWithPreSaveSignal.pre_save, sender=TestModelWithPreSaveSignal)


class TestModelWithoutM2MCheck(DirtyFieldsMixin, models.Model):
    characters = models.CharField(blank=True, max_length=80)
    ENABLE_M2M_CHECK = False


class TestDoubleForeignKeyModel(DirtyFieldsMixin, models.Model):
    fkey1 = models.ForeignKey(TestModel)
    fkey2 = models.ForeignKey(TestModel, null=True, related_name='fkey2')


if is_postgresql_env_with_json_field():
    from django.contrib.postgres.fields import JSONField

    class TestModelWithJSONField(DirtyFieldsMixin, models.Model):
        json_field = JSONField()


class TestModelWithSpecifiedFields(DirtyFieldsMixin, models.Model):
    boolean1 = models.BooleanField(default=True)
    boolean2 = models.BooleanField(default=True)
    FIELDS_TO_CHECK = ['boolean1']


class TestModelWithM2MAndSpecifiedFields(DirtyFieldsMixin, models.Model):
    m2m1 = models.ManyToManyField(TestModel)
    m2m2 = models.ManyToManyField(TestModel)

Exemple #2

Fichier : models.py Projet : romgar/django-dirtyfields

class TestModelWithPreSaveSignal(DirtyFieldsMixin, models.Model):
    data = models.CharField(max_length=255)
    data_updated_on_presave = models.CharField(max_length=255, blank=True, null=True)

    @staticmethod
    def pre_save(instance, *args, **kwargs):
        dirty_fields = instance.get_dirty_fields()
        # only works for case2
        if 'data' in dirty_fields:
            if 'specific_value' in instance.data:
                instance.data_updated_on_presave = 'presave_value'

pre_save.connect(TestModelWithPreSaveSignal.pre_save, sender=TestModelWithPreSaveSignal)


class TestModelWithoutM2MCheck(DirtyFieldsMixin, models.Model):
    characters = models.CharField(blank=True, max_length=80)
    ENABLE_M2M_CHECK = False


class TestDoubleForeignKeyModel(DirtyFieldsMixin, models.Model):
    fkey1 = models.ForeignKey(TestModel)
    fkey2 = models.ForeignKey(TestModel, null=True, related_name='fkey2')


if is_postgresql_env_with_json_field():
    from django.contrib.postgres.fields import JSONField

    class TestModelWithJSONField(DirtyFieldsMixin, models.Model):
        json_field = JSONField()

Exemple #3

Fichier : test_postgresql_specific.py Projet : rlaager/django-dirtyfields

import pytest

from tests.utils import is_postgresql_env_with_json_field


@pytest.mark.skipif(not is_postgresql_env_with_json_field(),
                    reason="requires postgresql >= 9.0.4")
@pytest.mark.django_db
def test_dirty_json_field():
    from tests.models import TestModelWithJSONField

    tm = TestModelWithJSONField.objects.create(json_field={'data': [1, 2, 3]})

    data = tm.json_field['data']
    data.append(4)

    assert tm.get_dirty_fields(verbose=True) == {
        'json_field': {
            'current': {'data': [1, 2, 3, 4]},
            'saved': {'data': [1, 2, 3]}
        }
    }

Exemple #4

Fichier : test_postgresql_specific.py Projet : romgar/django-dirtyfields

import pytest

from tests.utils import is_postgresql_env_with_json_field


@pytest.mark.skipif(not is_postgresql_env_with_json_field(),
                    reason="requires postgresql and Django 1.9+")
@pytest.mark.django_db
def test_dirty_json_field():
    from tests.models import TestModelWithJSONField

    tm = TestModelWithJSONField.objects.create(json_field={'data': [1, 2, 3]})

    data = tm.json_field['data']
    data.append(4)

    assert tm.get_dirty_fields(verbose=True) == {
        'json_field': {
            'current': {'data': [1, 2, 3, 4]},
            'saved': {'data': [1, 2, 3]}
        }
    }