Files
deb-python-sqlalchemy-utils/tests/test_expressions.py
2013-08-01 14:50:08 +03:00

76 lines
2.2 KiB
Python

from pytest import raises
import sqlalchemy as sa
from sqlalchemy_utils.types import TSVectorType
from sqlalchemy_utils.expressions import (
tsvector_match,
tsvector_concat,
to_tsquery,
plainto_tsquery
)
from tests import TestCase
class TSVectorTestCase(TestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
def create_models(self):
class Article(self.Base):
__tablename__ = 'article'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
content = sa.Column(sa.UnicodeText)
search_vector = sa.Column(TSVectorType)
search_vector2 = sa.Column(TSVectorType)
self.Article = Article
class TestMatchTSVector(TSVectorTestCase):
def test_raises_exception_if_less_than_2_parameters_given(self):
with raises(Exception):
str(
tsvector_match(
self.Article.search_vector,
)
)
def test_supports_postgres(self):
assert str(tsvector_match(
self.Article.search_vector,
to_tsquery('something'),
)) == '(article.search_vector) @@ to_tsquery(:to_tsquery_1)'
class TestToTSQuery(TSVectorTestCase):
def test_requires_atleast_one_parameter(self):
with raises(Exception):
str(to_tsquery())
def test_supports_postgres(self):
assert str(to_tsquery('something')) == 'to_tsquery(:to_tsquery_1)'
class TestPlainToTSQuery(TSVectorTestCase):
def test_requires_atleast_one_parameter(self):
with raises(Exception):
str(plainto_tsquery())
def test_supports_postgres(self):
assert str(plainto_tsquery('s')) == (
'plainto_tsquery(:plainto_tsquery_1)'
)
class TestConcatTSVector(TSVectorTestCase):
def test_concatenate_search_vectors(self):
assert str(tsvector_match(
tsvector_concat(
self.Article.search_vector,
self.Article.search_vector2
),
to_tsquery('finnish', 'something'),
)) == (
'(article.search_vector || article.search_vector2) '
'@@ to_tsquery(:to_tsquery_1, :to_tsquery_2)'
)