107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
import pytest
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from sqlalchemy_utils.relationships import chained_join
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from ..mixins import (
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ThreeLevelDeepManyToMany,
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ThreeLevelDeepOneToMany,
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ThreeLevelDeepOneToOne
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)
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@pytest.mark.usefixtures('postgresql_dsn')
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class TestChainedJoinFoDeepToManyToMany(ThreeLevelDeepManyToMany):
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def test_simple_join(self, Catalog):
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assert str(chained_join(Catalog.categories)) == (
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'catalog_category JOIN category ON '
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'category._id = catalog_category.category_id'
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)
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def test_two_relations(self, Catalog, Category):
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sql = chained_join(
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Catalog.categories,
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Category.sub_categories
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)
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assert str(sql) == (
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'catalog_category JOIN category ON category._id = '
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'catalog_category.category_id JOIN category_subcategory ON '
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'category._id = category_subcategory.category_id JOIN '
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'sub_category ON sub_category._id = '
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'category_subcategory.subcategory_id'
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)
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def test_three_relations(self, Catalog, Category, SubCategory):
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sql = chained_join(
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Catalog.categories,
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Category.sub_categories,
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SubCategory.products
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)
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assert str(sql) == (
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'catalog_category JOIN category ON category._id = '
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'catalog_category.category_id JOIN category_subcategory ON '
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'category._id = category_subcategory.category_id JOIN sub_category'
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' ON sub_category._id = category_subcategory.subcategory_id JOIN '
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'subcategory_product ON sub_category._id = '
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'subcategory_product.subcategory_id JOIN product ON product._id ='
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' subcategory_product.product_id'
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)
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@pytest.mark.usefixtures('postgresql_dsn')
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class TestChainedJoinForDeepOneToMany(ThreeLevelDeepOneToMany):
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def test_simple_join(self, Catalog):
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assert str(chained_join(Catalog.categories)) == 'category'
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def test_two_relations(self, Catalog, Category):
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sql = chained_join(
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Catalog.categories,
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Category.sub_categories
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)
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assert str(sql) == (
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'category JOIN sub_category ON category._id = '
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'sub_category._category_id'
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)
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def test_three_relations(self, Catalog, Category, SubCategory):
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sql = chained_join(
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Catalog.categories,
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Category.sub_categories,
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SubCategory.products
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)
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assert str(sql) == (
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'category JOIN sub_category ON category._id = '
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'sub_category._category_id JOIN product ON sub_category._id = '
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'product._sub_category_id'
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)
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@pytest.mark.usefixtures('postgresql_dsn')
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class TestChainedJoinForDeepOneToOne(ThreeLevelDeepOneToOne):
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def test_simple_join(self, Catalog):
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assert str(chained_join(Catalog.category)) == 'category'
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def test_two_relations(self, Catalog, Category):
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sql = chained_join(
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Catalog.category,
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Category.sub_category
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)
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assert str(sql) == (
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'category JOIN sub_category ON category._id = '
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'sub_category._category_id'
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)
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def test_three_relations(self, Catalog, Category, SubCategory):
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sql = chained_join(
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Catalog.category,
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Category.sub_category,
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SubCategory.product
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)
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assert str(sql) == (
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'category JOIN sub_category ON category._id = '
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'sub_category._category_id JOIN product ON sub_category._id = '
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'product._sub_category_id'
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)
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