441 lines
16 KiB
Python
441 lines
16 KiB
Python
import unittest
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from mongoengine import *
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from mongoengine.queryset import QueryFieldList
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__all__ = ("QueryFieldListTest", "OnlyExcludeAllTest")
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class QueryFieldListTest(unittest.TestCase):
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def test_empty(self):
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q = QueryFieldList()
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self.assertFalse(q)
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q = QueryFieldList(always_include=['_cls'])
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self.assertFalse(q)
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def test_include_include(self):
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q = QueryFieldList()
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q += QueryFieldList(fields=['a', 'b'], value=QueryFieldList.ONLY, _only_called=True)
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self.assertEqual(q.as_dict(), {'a': 1, 'b': 1})
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.ONLY)
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self.assertEqual(q.as_dict(), {'a': 1, 'b': 1, 'c': 1})
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def test_include_exclude(self):
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q = QueryFieldList()
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q += QueryFieldList(fields=['a', 'b'], value=QueryFieldList.ONLY)
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self.assertEqual(q.as_dict(), {'a': 1, 'b': 1})
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.EXCLUDE)
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self.assertEqual(q.as_dict(), {'a': 1})
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def test_exclude_exclude(self):
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q = QueryFieldList()
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q += QueryFieldList(fields=['a', 'b'], value=QueryFieldList.EXCLUDE)
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self.assertEqual(q.as_dict(), {'a': 0, 'b': 0})
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.EXCLUDE)
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self.assertEqual(q.as_dict(), {'a': 0, 'b': 0, 'c': 0})
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def test_exclude_include(self):
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q = QueryFieldList()
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q += QueryFieldList(fields=['a', 'b'], value=QueryFieldList.EXCLUDE)
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self.assertEqual(q.as_dict(), {'a': 0, 'b': 0})
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.ONLY)
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self.assertEqual(q.as_dict(), {'c': 1})
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def test_always_include(self):
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q = QueryFieldList(always_include=['x', 'y'])
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q += QueryFieldList(fields=['a', 'b', 'x'], value=QueryFieldList.EXCLUDE)
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.ONLY)
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self.assertEqual(q.as_dict(), {'x': 1, 'y': 1, 'c': 1})
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def test_reset(self):
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q = QueryFieldList(always_include=['x', 'y'])
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q += QueryFieldList(fields=['a', 'b', 'x'], value=QueryFieldList.EXCLUDE)
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.ONLY)
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self.assertEqual(q.as_dict(), {'x': 1, 'y': 1, 'c': 1})
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q.reset()
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self.assertFalse(q)
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q += QueryFieldList(fields=['b', 'c'], value=QueryFieldList.ONLY)
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self.assertEqual(q.as_dict(), {'x': 1, 'y': 1, 'b': 1, 'c': 1})
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def test_using_a_slice(self):
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q = QueryFieldList()
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q += QueryFieldList(fields=['a'], value={"$slice": 5})
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self.assertEqual(q.as_dict(), {'a': {"$slice": 5}})
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class OnlyExcludeAllTest(unittest.TestCase):
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def setUp(self):
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connect(db='mongoenginetest')
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class Person(Document):
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name = StringField()
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age = IntField()
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meta = {'allow_inheritance': True}
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Person.drop_collection()
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self.Person = Person
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def test_mixing_only_exclude(self):
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class MyDoc(Document):
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a = StringField()
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b = StringField()
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c = StringField()
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d = StringField()
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e = StringField()
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f = StringField()
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include = ['a', 'b', 'c', 'd', 'e']
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exclude = ['d', 'e']
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only = ['b', 'c']
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qs = MyDoc.objects.fields(**{i: 1 for i in include})
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self.assertEqual(qs._loaded_fields.as_dict(),
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{'a': 1, 'b': 1, 'c': 1, 'd': 1, 'e': 1})
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qs = qs.only(*only)
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self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
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qs = qs.exclude(*exclude)
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self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
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qs = MyDoc.objects.fields(**{i: 1 for i in include})
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qs = qs.exclude(*exclude)
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self.assertEqual(qs._loaded_fields.as_dict(), {'a': 1, 'b': 1, 'c': 1})
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qs = qs.only(*only)
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self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
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qs = MyDoc.objects.exclude(*exclude)
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qs = qs.fields(**{i: 1 for i in include})
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self.assertEqual(qs._loaded_fields.as_dict(), {'a': 1, 'b': 1, 'c': 1})
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qs = qs.only(*only)
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self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
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def test_slicing(self):
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class MyDoc(Document):
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a = ListField()
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b = ListField()
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c = ListField()
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d = ListField()
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e = ListField()
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f = ListField()
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include = ['a', 'b', 'c', 'd', 'e']
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exclude = ['d', 'e']
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only = ['b', 'c']
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qs = MyDoc.objects.fields(**{i: 1 for i in include})
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qs = qs.exclude(*exclude)
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qs = qs.only(*only)
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qs = qs.fields(slice__b=5)
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self.assertEqual(qs._loaded_fields.as_dict(),
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{'b': {'$slice': 5}, 'c': 1})
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qs = qs.fields(slice__c=[5, 1])
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self.assertEqual(qs._loaded_fields.as_dict(),
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{'b': {'$slice': 5}, 'c': {'$slice': [5, 1]}})
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qs = qs.exclude('c')
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self.assertEqual(qs._loaded_fields.as_dict(),
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{'b': {'$slice': 5}})
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def test_mix_slice_with_other_fields(self):
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class MyDoc(Document):
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a = ListField()
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b = ListField()
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c = ListField()
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qs = MyDoc.objects.fields(a=1, b=0, slice__c=2)
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self.assertEqual(qs._loaded_fields.as_dict(),
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{'c': {'$slice': 2}, 'a': 1})
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def test_only(self):
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"""Ensure that QuerySet.only only returns the requested fields.
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"""
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person = self.Person(name='test', age=25)
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person.save()
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obj = self.Person.objects.only('name').get()
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self.assertEqual(obj.name, person.name)
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self.assertEqual(obj.age, None)
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obj = self.Person.objects.only('age').get()
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self.assertEqual(obj.name, None)
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self.assertEqual(obj.age, person.age)
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obj = self.Person.objects.only('name', 'age').get()
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self.assertEqual(obj.name, person.name)
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self.assertEqual(obj.age, person.age)
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obj = self.Person.objects.only(*('id', 'name',)).get()
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self.assertEqual(obj.name, person.name)
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self.assertEqual(obj.age, None)
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# Check polymorphism still works
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class Employee(self.Person):
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salary = IntField(db_field='wage')
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employee = Employee(name='test employee', age=40, salary=30000)
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employee.save()
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obj = self.Person.objects(id=employee.id).only('age').get()
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self.assertIsInstance(obj, Employee)
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# Check field names are looked up properly
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obj = Employee.objects(id=employee.id).only('salary').get()
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self.assertEqual(obj.salary, employee.salary)
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self.assertEqual(obj.name, None)
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def test_only_with_subfields(self):
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class User(EmbeddedDocument):
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name = StringField()
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email = StringField()
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class Comment(EmbeddedDocument):
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title = StringField()
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text = StringField()
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class VariousData(EmbeddedDocument):
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some = BooleanField()
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class BlogPost(Document):
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content = StringField()
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author = EmbeddedDocumentField(User)
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comments = ListField(EmbeddedDocumentField(Comment))
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various = MapField(field=EmbeddedDocumentField(VariousData))
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BlogPost.drop_collection()
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post = BlogPost(content='Had a good coffee today...', various={'test_dynamic': {'some': True}})
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post.author = User(name='Test User')
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post.comments = [Comment(title='I aggree', text='Great post!'), Comment(title='Coffee', text='I hate coffee')]
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post.save()
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obj = BlogPost.objects.only('author.name',).get()
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self.assertEqual(obj.content, None)
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self.assertEqual(obj.author.email, None)
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self.assertEqual(obj.author.name, 'Test User')
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self.assertEqual(obj.comments, [])
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obj = BlogPost.objects.only('various.test_dynamic.some').get()
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self.assertEqual(obj.various["test_dynamic"].some, True)
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obj = BlogPost.objects.only('content', 'comments.title',).get()
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self.assertEqual(obj.content, 'Had a good coffee today...')
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self.assertEqual(obj.author, None)
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self.assertEqual(obj.comments[0].title, 'I aggree')
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self.assertEqual(obj.comments[1].title, 'Coffee')
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self.assertEqual(obj.comments[0].text, None)
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self.assertEqual(obj.comments[1].text, None)
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obj = BlogPost.objects.only('comments',).get()
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self.assertEqual(obj.content, None)
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self.assertEqual(obj.author, None)
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self.assertEqual(obj.comments[0].title, 'I aggree')
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self.assertEqual(obj.comments[1].title, 'Coffee')
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self.assertEqual(obj.comments[0].text, 'Great post!')
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self.assertEqual(obj.comments[1].text, 'I hate coffee')
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BlogPost.drop_collection()
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def test_exclude(self):
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class User(EmbeddedDocument):
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name = StringField()
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email = StringField()
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class Comment(EmbeddedDocument):
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title = StringField()
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text = StringField()
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class BlogPost(Document):
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content = StringField()
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author = EmbeddedDocumentField(User)
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comments = ListField(EmbeddedDocumentField(Comment))
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BlogPost.drop_collection()
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post = BlogPost(content='Had a good coffee today...')
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post.author = User(name='Test User')
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post.comments = [Comment(title='I aggree', text='Great post!'), Comment(title='Coffee', text='I hate coffee')]
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post.save()
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obj = BlogPost.objects.exclude('author', 'comments.text').get()
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self.assertEqual(obj.author, None)
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self.assertEqual(obj.content, 'Had a good coffee today...')
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self.assertEqual(obj.comments[0].title, 'I aggree')
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self.assertEqual(obj.comments[0].text, None)
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BlogPost.drop_collection()
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def test_exclude_only_combining(self):
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class Attachment(EmbeddedDocument):
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name = StringField()
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content = StringField()
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class Email(Document):
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sender = StringField()
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to = StringField()
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subject = StringField()
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body = StringField()
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content_type = StringField()
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attachments = ListField(EmbeddedDocumentField(Attachment))
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Email.drop_collection()
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email = Email(sender='me', to='you', subject='From Russia with Love', body='Hello!', content_type='text/plain')
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email.attachments = [
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Attachment(name='file1.doc', content='ABC'),
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Attachment(name='file2.doc', content='XYZ'),
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]
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email.save()
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obj = Email.objects.exclude('content_type').exclude('body').get()
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self.assertEqual(obj.sender, 'me')
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self.assertEqual(obj.to, 'you')
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self.assertEqual(obj.subject, 'From Russia with Love')
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self.assertEqual(obj.body, None)
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self.assertEqual(obj.content_type, None)
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obj = Email.objects.only('sender', 'to').exclude('body', 'sender').get()
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self.assertEqual(obj.sender, None)
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self.assertEqual(obj.to, 'you')
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self.assertEqual(obj.subject, None)
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self.assertEqual(obj.body, None)
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self.assertEqual(obj.content_type, None)
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obj = Email.objects.exclude('attachments.content').exclude('body').only('to', 'attachments.name').get()
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self.assertEqual(obj.attachments[0].name, 'file1.doc')
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self.assertEqual(obj.attachments[0].content, None)
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self.assertEqual(obj.sender, None)
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self.assertEqual(obj.to, 'you')
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self.assertEqual(obj.subject, None)
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self.assertEqual(obj.body, None)
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self.assertEqual(obj.content_type, None)
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Email.drop_collection()
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def test_all_fields(self):
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class Email(Document):
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sender = StringField()
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to = StringField()
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subject = StringField()
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body = StringField()
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content_type = StringField()
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Email.drop_collection()
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email = Email(sender='me', to='you', subject='From Russia with Love', body='Hello!', content_type='text/plain')
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email.save()
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obj = Email.objects.exclude('content_type', 'body').only('to', 'body').all_fields().get()
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self.assertEqual(obj.sender, 'me')
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self.assertEqual(obj.to, 'you')
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self.assertEqual(obj.subject, 'From Russia with Love')
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self.assertEqual(obj.body, 'Hello!')
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self.assertEqual(obj.content_type, 'text/plain')
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Email.drop_collection()
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def test_slicing_fields(self):
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"""Ensure that query slicing an array works.
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"""
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class Numbers(Document):
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n = ListField(IntField())
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Numbers.drop_collection()
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numbers = Numbers(n=[0, 1, 2, 3, 4, 5, -5, -4, -3, -2, -1])
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numbers.save()
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# first three
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numbers = Numbers.objects.fields(slice__n=3).get()
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self.assertEqual(numbers.n, [0, 1, 2])
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# last three
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numbers = Numbers.objects.fields(slice__n=-3).get()
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self.assertEqual(numbers.n, [-3, -2, -1])
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# skip 2, limit 3
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numbers = Numbers.objects.fields(slice__n=[2, 3]).get()
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self.assertEqual(numbers.n, [2, 3, 4])
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# skip to fifth from last, limit 4
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numbers = Numbers.objects.fields(slice__n=[-5, 4]).get()
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self.assertEqual(numbers.n, [-5, -4, -3, -2])
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# skip to fifth from last, limit 10
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numbers = Numbers.objects.fields(slice__n=[-5, 10]).get()
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self.assertEqual(numbers.n, [-5, -4, -3, -2, -1])
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# skip to fifth from last, limit 10 dict method
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numbers = Numbers.objects.fields(n={"$slice": [-5, 10]}).get()
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self.assertEqual(numbers.n, [-5, -4, -3, -2, -1])
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def test_slicing_nested_fields(self):
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"""Ensure that query slicing an embedded array works.
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"""
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class EmbeddedNumber(EmbeddedDocument):
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n = ListField(IntField())
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class Numbers(Document):
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embedded = EmbeddedDocumentField(EmbeddedNumber)
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Numbers.drop_collection()
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numbers = Numbers()
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numbers.embedded = EmbeddedNumber(n=[0, 1, 2, 3, 4, 5, -5, -4, -3, -2, -1])
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numbers.save()
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# first three
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numbers = Numbers.objects.fields(slice__embedded__n=3).get()
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self.assertEqual(numbers.embedded.n, [0, 1, 2])
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# last three
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numbers = Numbers.objects.fields(slice__embedded__n=-3).get()
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self.assertEqual(numbers.embedded.n, [-3, -2, -1])
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# skip 2, limit 3
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numbers = Numbers.objects.fields(slice__embedded__n=[2, 3]).get()
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self.assertEqual(numbers.embedded.n, [2, 3, 4])
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# skip to fifth from last, limit 4
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numbers = Numbers.objects.fields(slice__embedded__n=[-5, 4]).get()
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self.assertEqual(numbers.embedded.n, [-5, -4, -3, -2])
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# skip to fifth from last, limit 10
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numbers = Numbers.objects.fields(slice__embedded__n=[-5, 10]).get()
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self.assertEqual(numbers.embedded.n, [-5, -4, -3, -2, -1])
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# skip to fifth from last, limit 10 dict method
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numbers = Numbers.objects.fields(embedded__n={"$slice": [-5, 10]}).get()
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self.assertEqual(numbers.embedded.n, [-5, -4, -3, -2, -1])
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def test_exclude_from_subclasses_docs(self):
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class Base(Document):
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username = StringField()
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meta = {'allow_inheritance': True}
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class Anon(Base):
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anon = BooleanField()
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class User(Base):
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password = StringField()
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wibble = StringField()
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Base.drop_collection()
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User(username="mongodb", password="secret").save()
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user = Base.objects().exclude("password", "wibble").first()
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self.assertEqual(user.password, None)
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self.assertRaises(LookUpError, Base.objects.exclude, "made_up")
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if __name__ == '__main__':
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unittest.main()
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