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Code Issues 14 Pull Requests Releases Wiki Activity

Refactoring and more keywords to test

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This commit is contained in:
reverend
2020-09-11 12:08:15 +02:00
parent 5c5756150f
commit 6be060ea40
1 changed files with 97 additions and 51 deletions
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148
lostplaces/lostplaces_app/tests/models/__init__.py
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@@ -1,58 +1,99 @@
from django.db import models
from django.core.exceptions import FieldDoesNotExist
from django.test import TestCase
class TestModel:
class ModelTestCase:
'''
Base class for Lostplaces models
'''
model_name = None
def _test_field(self, field_name, field_class):
def _test_field(self, field_name, field_class, must_have={}, must_not_have={}):
'''
Tests if a field exists under the given name and
if the field is of the right type
if the field is of the right type.
Also checks if the field has the given must_have attributes
and does not have any of the must_not_have attributes. If you
dont care about the value of the attribute you can just set it to
something that fullfills value == False (i.e. '' or 0)
'''
field = self.object._meta.get_field(field_name)
self.assertTrue(
field,
msg="%s has no field named '%s'" % (
self.model_name,
field_name
try:
field = self.object._meta.get_field(field_name)
except FieldDoesNotExist:
self.fail(
'Expecting %s to have a field named \'%s\'' % (
self.model_name,
field_name
)
)
)
self.assertEqual(
type(field), field_class,
msg='%s.%s name field is no CharField' % (
type(field), field_class,
msg='Expecting type of %s.%s to be %s' % (
self.model_name,
field_name
field_name,
field_class.__name__
)
)
for key, value in must_have.items():
if value:
self.assertEqual(getattr(field, key), value,
msg='Expeting %s.%s.%s to be \'%s\'' % (
self.model_name,
field_name,
key,
value
)
)
else:
self.assertTrue(hasattr(field, key),
msg='Expeting %s.%s to have \'%s\'' % (
self.model_name,
field_name,
key
)
)
for key, value in must_not_have.items():
if value:
self.assertTrue(getattr(field, key) != value,
msg='Expeting %s.%s.%s to not be \'%s\'' % (
self.model_name,
field_name,
key,
value
)
)
else:
self.assertFalse(hasattr(field, value),
msg='Expeting %s.%s to not have \'%s\'' % (
self.model_name,
field_name,
key
)
)
return field
def _test_char_field(self, field_name, min_length, max_length):
def _test_char_field(self, field_name, min_length, max_length, must_have={}, must_hot_have={}):
'''
Tests if the given field is a char field and if its max_length
is in min_length and max_legth
'''
field = self._test_field(field_name, models.CharField)
self.assertEqual(
type(field), models.CharField,
msg='%s.%s name field is no CharField' % (
self.model_name,
field_name
)
)
field = self._test_field(
field_name, models.CharField, must_have, must_hot_have)
self.assertTrue(
field.max_length in range(min_length, max_length),
msg='%s.%s field max_length not in range of %d and %d' % (
msg='Expeting %s.%s field max_length to be in the range of %d and %d' % (
self.model_name,
field_name,
min_length,
max_length
)
)
)
def _test_float_field(self, field_name, min_value=None, max_value=None):
def _test_float_field(self, field_name, min_value=None, max_value=None, must_have={}, must_hot_have={}):
'''
Tests if the field is a floatfield. If min_value and/or max_value are passed,
the validators of the field are also checked. The validator list of the field should
@@ -61,21 +102,23 @@ class TestModel:
[MinValueValidator] if only min_value is passed,
[MaxValueValidator] if only max_value is passed
'''
field = self._test_field(field_name, models.FloatField)
field = self._test_field(
field_name, models.FloatField, must_have, must_hot_have)
if min_value:
self.assertTrue(
len(field.validators) >= 1,
msg='%s.%s first validator should check minimum' % (
msg='Expecting the first valiator of %s.%s to check the minimum' % (
self.model_name,
field_name
)
)
)
self.assertEqual(
field.validators[0].limit_value,
min_value,
msg='%s.%s min value missmatch' % (
msg='Expecting the min value of %s.%s min to be at least %d' % (
self.model_name,
field_name
field_name,
min_value
)
)
if max_value:
@@ -84,38 +127,41 @@ class TestModel:
index += 1
self.assertTrue(
len(field.validators) >= index+1,
msg='%s.%s second validator should check maximum' % (
self.model_name,
field_name
)
)
self.assertEqual(
field.validators[1].limit_value,
max_value,
msg='%s.%s max value missmatch' % (
msg='Expecting the second valiator of %s.%s to check the maximum' % (
self.model_name,
field_name
)
)
self.assertEqual(
field.validators[1].limit_value,
max_value,
msg='Expecting the max value of %s.%s min to be at most %d' % (
self.model_name,
field_name,
max_value
)
)
class TestSubmittable(TestModel):
model_name='<Class>'
class SubmittableTestCase(ModelTestCase):
model_name = '<Class>'
related_name = None
nullable = False
def test_submitted_when(self):
submitted_when = self._test_field('submitted_when', models.DateTimeField)
self.assertTrue(submitted_when.auto_now_add,
msg='%s.submitted_when should be auto_now_add' % (
self.model_name
)
submitted_when = self._test_field(
'submitted_when',
models.DateTimeField,
must_have={'auto_now_add': True}
)
def test_submitted_by(self):
submitted_by = self._test_field('submitted_by',models.ForeignKey)
submitted_by = self._test_field('submitted_by', models.ForeignKey)
if self.related_name:
self.assertEqual(submitted_by.remote_field.related_name, self.related_name)
self.assertEqual(
submitted_by.remote_field.related_name, self.related_name)
if self.nullable:
self.assertTrue(submitted_by.null,)
self.assertTrue(submitted_by.blank)
self.assertEqual(submitted_by.remote_field.on_delete, models.SET_NULL)
self.assertEqual(
submitted_by.remote_field.on_delete, models.SET_NULL)