145 lines
4.8 KiB
Python
145 lines
4.8 KiB
Python
import phonenumbers
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import sqlalchemy as sa
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy_utils import (
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escape_like,
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sort_query,
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InstrumentedList,
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PhoneNumberType
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)
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class TestCase(object):
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def setup_method(self, method):
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self.engine = create_engine('sqlite:///:memory:')
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self.Base = declarative_base()
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self.create_models()
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self.Base.metadata.create_all(self.engine)
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Session = sessionmaker(bind=self.engine)
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self.session = Session()
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def teardown_method(self, method):
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self.session.close_all()
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self.Base.metadata.drop_all(self.engine)
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self.engine.dispose()
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def create_models(self):
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class User(self.Base):
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__tablename__ = 'user'
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id = sa.Column(sa.Integer, autoincrement=True, primary_key=True)
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name = sa.Column(sa.Unicode(255))
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phone_number = sa.Column(PhoneNumberType())
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class Category(self.Base):
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__tablename__ = 'category'
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id = sa.Column(sa.Integer, primary_key=True)
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name = sa.Column(sa.Unicode(255))
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class Article(self.Base):
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__tablename__ = 'article'
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id = sa.Column(sa.Integer, primary_key=True)
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name = sa.Column(sa.Unicode(255))
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category_id = sa.Column(sa.Integer, sa.ForeignKey(Category.id))
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category = sa.orm.relationship(
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Category,
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primaryjoin=category_id == Category.id,
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backref=sa.orm.backref(
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'articles',
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collection_class=InstrumentedList
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)
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)
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self.User = User
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self.Category = Category
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self.Article = Article
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class TestInstrumentedList(TestCase):
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def test_any_returns_true_if_member_has_attr_defined(self):
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category = self.Category()
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category.articles.append(self.Article())
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category.articles.append(self.Article(name=u'some name'))
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assert category.articles.any('name')
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def test_any_returns_false_if_no_member_has_attr_defined(self):
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category = self.Category()
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category.articles.append(self.Article())
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assert not category.articles.any('name')
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class TestEscapeLike(TestCase):
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def test_escapes_wildcards(self):
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assert escape_like('_*%') == '*_***%'
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class TestSortQuery(TestCase):
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def test_without_sort_param_returns_the_query_object_untouched(self):
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query = self.session.query(self.Article)
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sorted_query = sort_query(query, '')
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assert query == sorted_query
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def test_sort_by_column_ascending(self):
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query = sort_query(self.session.query(self.Article), 'name')
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assert 'ORDER BY article.name ASC' in str(query)
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def test_sort_by_column_descending(self):
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query = sort_query(self.session.query(self.Article), '-name')
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assert 'ORDER BY article.name DESC' in str(query)
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def test_skips_unknown_columns(self):
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query = self.session.query(self.Article)
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sorted_query = sort_query(query, '-unknown')
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assert query == sorted_query
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def test_sort_by_calculated_value_ascending(self):
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query = self.session.query(
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self.Category, sa.func.count(self.Article.id).label('articles')
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)
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query = sort_query(query, 'articles')
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assert 'ORDER BY articles ASC' in str(query)
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def test_sort_by_calculated_value_descending(self):
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query = self.session.query(
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self.Category, sa.func.count(self.Article.id).label('articles')
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)
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query = sort_query(query, '-articles')
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assert 'ORDER BY articles DESC' in str(query)
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def test_sort_by_joined_table_column(self):
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query = self.session.query(self.Article).join(self.Article.category)
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sorted_query = sort_query(query, 'category-name')
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assert 'category.name ASC' in str(sorted_query)
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class TestPhoneNumberType(TestCase):
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def setup_method(self, method):
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super(TestPhoneNumberType, self).setup_method(method)
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self.phone_number = phonenumbers.parse(
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'040 1234567',
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'FI'
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)
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self.user = self.User()
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self.user.name = u'Someone'
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self.user.phone_number = self.phone_number
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self.session.add(self.user)
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self.session.commit()
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def test_query_returns_phone_number_object(self):
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queried_user = self.session.query(self.User).first()
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assert queried_user.phone_number == self.phone_number
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def test_phone_number_is_stored_as_string(self):
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result = self.session.execute(
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'SELECT phone_number FROM user WHERE id=:param',
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{'param': self.user.id}
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)
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assert result.first()[0] == u'+358401234567'
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