53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
import sqlalchemy as sa
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from pytest import raises
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy_utils import has_index
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class TestHasIndex(object):
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def setup_method(self, method):
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Base = declarative_base()
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class ArticleTranslation(Base):
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__tablename__ = 'article_translation'
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id = sa.Column(sa.Integer, primary_key=True)
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locale = sa.Column(sa.String(10), primary_key=True)
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title = sa.Column(sa.String(100))
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is_published = sa.Column(sa.Boolean, index=True)
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is_deleted = sa.Column(sa.Boolean)
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is_archived = sa.Column(sa.Boolean)
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__table_args__ = (
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sa.Index('my_index', is_deleted, is_archived),
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)
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self.table = ArticleTranslation.__table__
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def test_column_that_belongs_to_an_alias(self):
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alias = sa.orm.aliased(self.table)
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with raises(TypeError):
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assert has_index(alias.c.id)
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def test_compound_primary_key(self):
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assert has_index(self.table.c.id)
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assert not has_index(self.table.c.locale)
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def test_single_column_index(self):
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assert has_index(self.table.c.is_published)
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def test_compound_column_index(self):
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assert has_index(self.table.c.is_deleted)
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assert not has_index(self.table.c.is_archived)
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def test_table_without_primary_key(self):
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Base = declarative_base()
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article = sa.Table(
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'article',
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sa.MetaData(),
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sa.Column('name', sa.String)
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)
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assert not has_index(article.c.name)
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