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# -*- coding: utf-8 -*-
# Copyright (c) The python-semanticversion project
# This code is distributed under the two-clause BSD License.
from __future__ import unicode_literals
import unittest
import sys
import semantic_version
from .setup_django import django_loaded
if django_loaded: # pragma: no cover
from semantic_version import django_fields
from .django_test_app import models
import django
from django.conf import settings
from django.core import serializers
from django.core.management import call_command
from django.db import connection
from django.test import TestCase as DjangoTestCase
from django.test import TransactionTestCase
from django.test import runner as django_test_runner
from django.test import utils as django_test_utils
else:
DjangoTestCase = unittest.TestCase
TransactionTestCase = unittest.TestCase
test_state = {}
def setUpModule():
if not django_loaded: # pragma: no cover
raise unittest.SkipTest("Django not installed")
django_test_utils.setup_test_environment()
runner = django_test_runner.DiscoverRunner()
runner_state = runner.setup_databases()
test_state.update({
'runner': runner,
'runner_state': runner_state,
})
def tearDownModule():
if not django_loaded: # pragma: no cover
return
runner = test_state['runner']
runner_state = test_state['runner_state']
runner.teardown_databases(runner_state)
django_test_utils.teardown_test_environment()
# the refresh_from_db method only came in with 1.8, so in order to make this
# work will all supported versions we have our own function.
def save_and_refresh(obj):
"""Saves an object, and refreshes from the database."""
obj.save()
obj = obj.__class__.objects.get(id=obj.id)
Version = semantic_version.Version
Spec = semantic_version.Spec
@unittest.skipIf(not django_loaded, "Django not installed")
class DjangoFieldTestCase(unittest.TestCase):
def test_version(self):
obj = models.VersionModel(version=Version('0.1.1'), spec=Spec('==0.1.1,!=0.1.1-alpha'))
self.assertEqual(Version('0.1.1'), obj.version)
self.assertEqual(Spec('==0.1.1,!=0.1.1-alpha'), obj.spec)
alt_obj = models.VersionModel(version=obj.version, spec=obj.spec)
self.assertEqual(Version('0.1.1'), alt_obj.version)
self.assertEqual(Spec('==0.1.1,!=0.1.1-alpha'), alt_obj.spec)
self.assertEqual(obj.spec, alt_obj.spec)
self.assertEqual(obj.version, alt_obj.version)
def test_version_clean(self):
"""Calling .full_clean() should convert str to Version/Spec objects."""
obj = models.VersionModel(version='0.1.1', spec='==0.1.1,!=0.1.1-alpha')
obj.full_clean()
self.assertEqual(Version('0.1.1'), obj.version)
self.assertEqual(Spec('==0.1.1,!=0.1.1-alpha'), obj.spec)
def test_version_save(self):
"""Test saving object with a VersionField."""
# first test with a null value
obj = models.PartialVersionModel()
self.assertIsNone(obj.id)
self.assertIsNone(obj.optional)
save_and_refresh(obj)
self.assertIsNotNone(obj.id)
self.assertIsNone(obj.optional_spec)
# now set to something that is not null
spec = Spec('==0,!=0.2')
obj.optional_spec = spec
save_and_refresh(obj)
self.assertEqual(obj.optional_spec, spec)
def test_spec_save(self):
"""Test saving object with a SpecField."""
# first test with a null value
obj = models.PartialVersionModel()
self.assertIsNone(obj.id)
self.assertIsNone(obj.optional_spec)
save_and_refresh(obj)
self.assertIsNotNone(obj.id)
self.assertIsNone(obj.optional_spec)
# now set to something that is not null
spec = Spec('==0,!=0.2')
obj.optional_spec = spec
save_and_refresh(obj)
self.assertEqual(obj.optional_spec, spec)
def test_partial_spec_clean(self):
obj = models.VersionModel(version='0.1.1', spec='==0,!=0.2')
obj.full_clean()
self.assertEqual(Version('0.1.1'), obj.version)
self.assertEqual(Spec('==0,!=0.2'), obj.spec)
def test_coerce_clean(self):
obj = models.CoerceVersionModel(version='0.1.1a+2', partial='23')
obj.full_clean()
self.assertEqual(Version('0.1.1-a+2'), obj.version)
self.assertEqual(Version('23', partial=True), obj.partial)
obj2 = models.CoerceVersionModel(version='23', partial='0.1.2.3.4.5/6')
obj2.full_clean()
self.assertEqual(Version('23.0.0'), obj2.version)
self.assertEqual(Version('0.1.2+3.4.5-6', partial=True), obj2.partial)
@unittest.skipIf(django.VERSION[:2] < (1, 8), "Django<1.8 casts values on setattr")
def test_invalid_input(self):
v = models.VersionModel(version='0.1.1', spec='blah')
self.assertRaises(ValueError, v.full_clean)
v2 = models.VersionModel(version='0.1', spec='==0.1.1,!=0.1.1-alpha')
self.assertRaises(ValueError, v2.full_clean)
@unittest.skipUnless(django.VERSION[:2] < (1, 8), "Django>=1.8 doesn't mangle setattr")
def test_invalid_input_full_clean(self):
self.assertRaises(ValueError, models.VersionModel, version='0.1.1', spec='blah')
self.assertRaises(ValueError, models.VersionModel, version='0.1', spec='==0.1.1,!=0.1.1-alpha')
def test_partial(self):
obj = models.PartialVersionModel(partial=Version('0.1.0'))
self.assertEqual(Version('0.1.0', partial=True), obj.partial)
self.assertIsNone(obj.optional)
self.assertIsNone(obj.optional_spec)
# Copy values to another model
alt_obj = models.PartialVersionModel(
partial=obj.partial,
optional=obj.optional,
optional_spec=obj.optional_spec,
)
self.assertEqual(Version('0.1.0', partial=True), alt_obj.partial)
self.assertEqual(obj.partial, alt_obj.partial)
self.assertIsNone(obj.optional)
self.assertIsNone(obj.optional_spec)
# Validation should be fine
obj.full_clean()
def test_serialization(self):
o1 = models.VersionModel(version=Version('0.1.1'), spec=Spec('==0.1.1,!=0.1.1-alpha'))
o2 = models.VersionModel(version=Version('0.4.3-rc3+build3'),
spec=Spec('<=0.1.1-rc2,!=0.1.1-rc1'))
data = serializers.serialize('json', [o1, o2])
obj1, obj2 = serializers.deserialize('json', data)
self.assertEqual(o1.version, obj1.object.version)
self.assertEqual(o1.spec, obj1.object.spec)
self.assertEqual(o2.version, obj2.object.version)
self.assertEqual(o2.spec, obj2.object.spec)
def test_serialization_partial(self):
o1 = models.PartialVersionModel(
partial=Version('0.1.1', partial=True),
optional=Version('0.2.4-rc42', partial=True),
optional_spec=None,
)
o2 = models.PartialVersionModel(
partial=Version('0.4.3-rc3+build3', partial=True),
optional='',
optional_spec=Spec('==0.1.1,!=0.1.1-alpha'),
)
data = serializers.serialize('json', [o1, o2])
obj1, obj2 = serializers.deserialize('json', data)
self.assertEqual(o1.partial, obj1.object.partial)
self.assertEqual(o1.optional, obj1.object.optional)
self.assertEqual(o2.partial, obj2.object.partial)
self.assertEqual(o2.optional, obj2.object.optional)
@unittest.skipIf(not django_loaded, "Django not installed")
class FieldMigrationTests(DjangoTestCase):
def test_version_field(self):
field = django_fields.VersionField(
partial=True,
coerce=True,
)
expected = {
'coerce': True,
'partial': True,
'max_length': 200,
}
if hasattr(sys, 'pypy_version_info'):
# Django under Pypy adds this extra key.
expected['help_text'] = u''
self.assertEqual(field.deconstruct()[3], expected)
def test_spec_field(self):
field = django_fields.SpecField()
expected = {'max_length': 200}
if hasattr(sys, 'pypy_version_info'):
# Django under Pypy adds this extra key.
expected['help_text'] = u''
self.assertEqual(field.deconstruct()[3], expected)
@unittest.skipIf(not django_loaded, "Django not installed")
class FullMigrateTests(TransactionTestCase):
def test_migrate(self):
# Let's check that this does not crash
call_command('makemigrations', verbosity=0)
call_command('migrate', verbosity=0)
with connection.cursor() as cursor:
table_list = connection.introspection.get_table_list(cursor)
if django.VERSION[:2] >= (1, 8):
table_list = [t.name for t in connection.introspection.get_table_list(cursor)]
self.assertIn('django_test_app_versionmodel', table_list)
@unittest.skipIf(not django_loaded, "Django not installed")
class DbInteractingTestCase(DjangoTestCase):
def test_db_interaction(self):
o1 = models.VersionModel(version=Version('0.1.1'), spec=Spec('<0.2.4-rc42'))
o2 = models.VersionModel(version=Version('0.4.3-rc3+build3'), spec=Spec('==0.4.3'))
o1.save()
o2.save()
obj1 = models.VersionModel.objects.get(pk=o1.pk)
self.assertEqual(o1.version, obj1.version)
obj2 = models.VersionModel.objects.get(pk=o2.pk)
self.assertEqual(o2.version, obj2.version)
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