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import sqlalchemy as sa
from sqlalchemy_utils.functions import getdotattr
from tests import TestCase
class TestGetDotAttr(TestCase):
def create_models(self):
class Document(self.Base):
__tablename__ = 'document'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
class Section(self.Base):
__tablename__ = 'section'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
document_id = sa.Column(
sa.Integer, sa.ForeignKey(Document.id)
)
document = sa.orm.relationship(Document, backref='sections')
class SubSection(self.Base):
__tablename__ = 'subsection'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
section_id = sa.Column(
sa.Integer, sa.ForeignKey(Section.id)
)
section = sa.orm.relationship(Section, backref='subsections')
class SubSubSection(self.Base):
__tablename__ = 'subsubsection'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
locale = sa.Column(sa.String(10))
subsection_id = sa.Column(
sa.Integer, sa.ForeignKey(SubSection.id)
)
subsection = sa.orm.relationship(
SubSection, backref='subsubsections'
)
self.Document = Document
self.Section = Section
self.SubSection = SubSection
self.SubSubSection = SubSubSection
def test_simple_objects(self):
document = self.Document(name=u'some document')
section = self.Section(document=document)
subsection = self.SubSection(section=section)
assert getdotattr(
subsection,
'section.document.name'
) == u'some document'
def test_with_instrumented_lists(self):
document = self.Document(name=u'some document')
section = self.Section(document=document)
subsection = self.SubSection(section=section)
subsubsection = self.SubSubSection(subsection=subsection)
assert getdotattr(document, 'sections') == [section]
assert getdotattr(document, 'sections.subsections') == [
subsection
]
assert getdotattr(document, 'sections.subsections.subsubsections') == [
subsubsection
]
def test_class_paths(self):
assert getdotattr(self.Section, 'document') is self.Section.document
assert (
getdotattr(self.SubSection, 'section.document') is
self.Section.document
)
assert getdotattr(self.Section, 'document.name') is self.Document.name
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