121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# django-pyvows extensions
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# https://github.com/rafaelcaricio/django-pyvows
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# Licensed under the MIT license:
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# http://www.opensource.org/licenses/mit-license
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# Copyright (c) 2011 Rafael Caricio rafael@caricio.com
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from pyvows import Vows, expect
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class Model(object):
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def __init__(self, context, model):
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from django.db import models
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self.context = context
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if isinstance(model, models.Model):
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model = model.__class__
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self.model = model
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def __call__(self, *args, **kwargs):
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return self.model(*args, **kwargs)
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@property
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def admin(self):
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from django.contrib import admin
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if self.model not in admin.site._registry:
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raise admin.sites.NotRegistered('The model %s is not registered' % self.model.__name__)
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return admin.site._registry[self.model]
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@Vows.assertion
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def to_be_in_admin(topic):
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from django.contrib import admin
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try:
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assert topic.admin
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except admin.sites.NotRegistered:
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assert False, "The model %s isn't registered in admin." % topic.model.__name__
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@Vows.assertion
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def to_have_field(topic, field_name, field_class=None, **kwargs):
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from django.db import models
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if isinstance(topic, Model):
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topic = topic.model
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if isinstance(topic, models.Model):
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topic = topic.__class__
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if not field_class:
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field_class = models.Field
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field = topic._meta.get_field(field_name)
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assert isinstance(field, field_class), "The '%s.%s' is not an instance of '%s'" % (topic.__name__, field_name, field_class.__name__)
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if kwargs:
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for attr, value in kwargs.items():
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field_value = getattr(field, attr)
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assert field_value == value, "The field option '%s' should be equal to '%s', but it's equal to '%s'" % (attr, value, field_value)
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@Vows.assertion
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def to_be_cruddable(topic, defaults={}):
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import django.db.models.fields as fields
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instance = __create_or_update_instance(topic, None, defaults)
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assert instance, "An instance could not be created for model %s" % topic.model.__name__
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retrieved = topic.model.objects.get(id=instance.id)
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assert retrieved.id == instance.id, "An instance could not be retrieved for model %s with id %d" % (topic.model.__name__, instance.id)
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for key, value in defaults.iteritems():
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assert value == getattr(retrieved, key), "The default specified value of '%s' should have been set in the '%s' property of the instance but it was not" % (value, key)
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updated = __create_or_update_instance(topic, retrieved, defaults)
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for field, value in topic.model._meta._field_cache:
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if field.__class__ == fields.AutoField:
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continue
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if field.name in defaults:
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continue
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assert getattr(updated, field.name) != getattr(instance, field.name), "The instance should have been updated but the field %s is the same in both the original instance and the updated one (%s)." % (field.name, getattr(updated, field.name))
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instance.delete()
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object_count = topic.model.objects.count()
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assert object_count == 0, "Object should have been deleted, but it wasn't (count: %d)" % object_count
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def __create_or_update_instance(topic, instance, defaults):
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import django.db.models.fields as fields
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arguments = {}
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for field, value in topic.model._meta._field_cache:
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if field.__class__ == fields.AutoField:
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continue
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if field.name in defaults:
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arguments[field.name] = defaults[field.name]
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continue
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if field.__class__ == fields.CharField:
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__add_char_value_for(field, instance, arguments)
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if instance:
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for key, value in arguments.iteritems():
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setattr(instance, key, value)
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instance.save()
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return instance
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return topic.model.objects.create(**arguments)
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def __add_char_value_for(field, instance, arguments):
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value = "monty python"
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if instance:
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value = getattr(instance, field.name) + '2'
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if field.max_length:
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if instance:
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value = value[:len(value) - 2] + '2'
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value = (value * field.max_length)[:field.max_length]
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arguments[field.name] = value
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