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import six
import sqlalchemy as sa
from pytest import mark
from sqlalchemy.util.langhelpers import symbol
from sqlalchemy_utils.path import AttrPath, Path
from tests import TestCase
class TestAttrPath(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))
locale = sa.Column(sa.String(10))
class Section(self.Base):
__tablename__ = 'section'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
locale = sa.Column(sa.String(10))
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))
locale = sa.Column(sa.String(10))
section_id = sa.Column(
sa.Integer, sa.ForeignKey(Section.id)
)
section = sa.orm.relationship(Section, backref='subsections')
self.Document = Document
self.Section = Section
self.SubSection = SubSection
@mark.parametrize(
('class_', 'path', 'direction'),
(
('SubSection', 'section', symbol('MANYTOONE')),
)
)
def test_direction(self, class_, path, direction):
assert (
AttrPath(getattr(self, class_), path).direction == direction
)
def test_invert(self):
path = ~ AttrPath(self.SubSection, 'section.document')
assert path.parts == [
self.Document.sections,
self.Section.subsections
]
assert str(path.path) == 'sections.subsections'
def test_len(self):
len(AttrPath(self.SubSection, 'section.document')) == 2
def test_init(self):
path = AttrPath(self.SubSection, 'section.document')
assert path.class_ == self.SubSection
assert path.path == Path('section.document')
def test_iter(self):
path = AttrPath(self.SubSection, 'section.document')
assert list(path) == [
self.SubSection.section,
self.Section.document
]
def test_repr(self):
path = AttrPath(self.SubSection, 'section.document')
assert repr(path) == (
"AttrPath(SubSection, 'section.document')"
)
def test_index(self):
path = AttrPath(self.SubSection, 'section.document')
assert path.index(self.Section.document) == 1
assert path.index(self.SubSection.section) == 0
def test_getitem(self):
path = AttrPath(self.SubSection, 'section.document')
assert path[0] is self.SubSection.section
assert path[1] is self.Section.document
def test_getitem_with_slice(self):
path = AttrPath(self.SubSection, 'section.document')
assert path[:] == AttrPath(self.SubSection, 'section.document')
assert path[:-1] == AttrPath(self.SubSection, 'section')
assert path[1:] == AttrPath(self.Section, 'document')
def test_eq(self):
assert (
AttrPath(self.SubSection, 'section.document') ==
AttrPath(self.SubSection, 'section.document')
)
assert not (
AttrPath(self.SubSection, 'section') ==
AttrPath(self.SubSection, 'section.document')
)
def test_ne(self):
assert not (
AttrPath(self.SubSection, 'section.document') !=
AttrPath(self.SubSection, 'section.document')
)
assert (
AttrPath(self.SubSection, 'section') !=
AttrPath(self.SubSection, 'section.document')
)
class TestPath(object):
def test_init(self):
path = Path('attr.attr2')
assert path.path == 'attr.attr2'
def test_init_with_path_object(self):
path = Path(Path('attr.attr2'))
assert path.path == 'attr.attr2'
def test_iter(self):
path = Path('s.s2.s3')
assert list(path) == ['s', 's2', 's3']
@mark.parametrize(('path', 'length'), (
(Path('s.s2.s3'), 3),
(Path('s.s2'), 2),
(Path(''), 0)
))
def test_len(self, path, length):
return len(path) == length
def test_reversed(self):
path = Path('s.s2.s3')
assert list(reversed(path)) == ['s3', 's2', 's']
def test_repr(self):
path = Path('s.s2')
assert repr(path) == "Path('s.s2')"
def test_getitem(self):
path = Path('s.s2')
assert path[0] == 's'
assert path[1] == 's2'
def test_str(self):
assert str(Path('s.s2')) == 's.s2'
def test_index(self):
assert Path('s.s2.s3').index('s2') == 1
def test_unicode(self):
assert six.text_type(Path('s.s2')) == u's.s2'
def test_getitem_with_slice(self):
path = Path('s.s2.s3')
assert path[1:] == Path('s2.s3')
@mark.parametrize(('test', 'result'), (
(Path('s.s2') == Path('s.s2'), True),
(Path('s.s2') == Path('s.s3'), False)
))
def test_eq(self, test, result):
assert test is result
@mark.parametrize(('test', 'result'), (
(Path('s.s2') != Path('s.s2'), False),
(Path('s.s2') != Path('s.s3'), True)
))
def test_ne(self, test, result):
assert test is result
|
