mongoengine/tests/document.py

143 lines
5.1 KiB
Python

import unittest
from mongomap import *
from mongomap.connection import _get_db
class DocumentTest(unittest.TestCase):
def setUp(self):
connect(db='mongomaptest')
class Person(Document):
name = StringField()
age = IntField()
self.Person = Person
self.db = _get_db()
self.db.drop_collection(self.Person._meta['collection'])
def test_definition(self):
"""Ensure that document may be defined using fields.
"""
name_field = StringField()
age_field = IntField()
class Person(Document):
name = name_field
age = age_field
non_field = True
self.assertEqual(Person._fields['name'], name_field)
self.assertEqual(Person._fields['age'], age_field)
self.assertFalse('non_field' in Person._fields)
self.assertTrue('_id' in Person._fields)
# Test iteration over fields
fields = list(Person())
self.assertTrue('name' in fields and 'age' in fields)
# Ensure Document isn't treated like an actual document
self.assertFalse(hasattr(Document, '_fields'))
def test_inheritance(self):
"""Ensure that document may inherit fields from a superclass document.
"""
class Employee(self.Person):
salary = IntField()
self.assertTrue('name' in Employee._fields)
self.assertTrue('salary' in Employee._fields)
self.assertEqual(Employee._meta['collection'],
self.Person._meta['collection'])
def test_creation(self):
"""Ensure that document may be created using keyword arguments.
"""
person = self.Person(name="Test User", age=30)
self.assertEqual(person.name, "Test User")
self.assertEqual(person.age, 30)
def test_dictionary_access(self):
"""Ensure that dictionary-style field access works properly.
"""
person = self.Person(name='Test User', age=30)
self.assertEquals(person['name'], 'Test User')
self.assertRaises(KeyError, person.__getitem__, 'salary')
self.assertRaises(KeyError, person.__setitem__, 'salary', 50)
person['name'] = 'Another User'
self.assertEquals(person['name'], 'Another User')
# Length = length(assigned fields + _id)
self.assertEquals(len(person), 3)
self.assertTrue('age' in person)
person.age = None
self.assertFalse('age' in person)
self.assertFalse('nationality' in person)
def test_embedded_document(self):
"""Ensure that embedded documents are set up correctly.
"""
class Comment(EmbeddedDocument):
content = StringField()
self.assertTrue('content' in Comment._fields)
self.assertFalse('_id' in Comment._fields)
self.assertFalse(hasattr(Comment, '_meta'))
def test_save(self):
"""Ensure that a document may be saved in the database.
"""
# Create person object and save it to the database
person = self.Person(name='Test User', age=30)
person.save()
# Ensure that the object is in the database
collection = self.db[self.Person._meta['collection']]
person_obj = collection.find_one({'name': 'Test User'})
self.assertEqual(person_obj['name'], 'Test User')
self.assertEqual(person_obj['age'], 30)
def test_save_custom_id(self):
"""Ensure that a document may be saved with a custom _id.
"""
# Create person object and save it to the database
person = self.Person(name='Test User', age=30,
_id='497ce96f395f2f052a494fd4')
person.save()
# Ensure that the object is in the database with the correct _id
collection = self.db[self.Person._meta['collection']]
person_obj = collection.find_one({'name': 'Test User'})
self.assertEqual(str(person_obj['_id']), '497ce96f395f2f052a494fd4')
def test_save_embedded_document(self):
"""Ensure that a document with an embedded document field may be
saved in the database.
"""
class EmployeeDetails(EmbeddedDocument):
position = StringField()
class Employee(self.Person):
salary = IntField()
details = EmbeddedDocumentField(EmployeeDetails)
# Create employee object and save it to the database
employee = Employee(name='Test Employee', age=50, salary=20000)
employee.details = EmployeeDetails(position='Developer')
employee.save()
# Ensure that the object is in the database
collection = self.db[self.Person._meta['collection']]
employee_obj = collection.find_one({'name': 'Test Employee'})
self.assertEqual(employee_obj['name'], 'Test Employee')
self.assertEqual(employee_obj['age'], 50)
# Ensure that the 'details' embedded object saved correctly
self.assertEqual(employee_obj['details']['position'], 'Developer')
def tearDown(self):
self.db.drop_collection(self.Person._meta['collection'])
if __name__ == '__main__':
unittest.main()