Method test_no_name_declarative

test/orm/test_composites.py:647–700

test #7751

(self, decl_base, connection)

        eq_(e.start, None)

    def test_no_name_declarative(self, decl_base, connection):
        """test #7751"""

        class Point:
            def __init__(self, x, y):
                self.x = x
                self.y = y

            def __composite_values__(self):
                return self.x, self.y

            def __repr__(self):
                return "Point(x=%r, y=%r)" % (self.x, self.y)

            def __eq__(self, other):
                return (
                    isinstance(other, Point)
                    and other.x == self.x
                    and other.y == self.y
                )

            def __ne__(self, other):
                return not self.__eq__(other)

        class Vertex(decl_base):
            __tablename__ = "vertices"

            id = Column(Integer, primary_key=True)
            x1 = Column(Integer)
            y1 = Column(Integer)
            x2 = Column(Integer)
            y2 = Column(Integer)

            start = composite(Point, x1, y1)
            end = composite(Point, x2, y2)

        self.assert_compile(
            select(Vertex),
            "SELECT vertices.id, vertices.x1, vertices.y1, vertices.x2, "
            "vertices.y2 FROM vertices",
        )

        decl_base.metadata.create_all(connection)
        s = Session(connection)
        hv = Vertex(start=Point(1, 2), end=Point(3, 4))
        s.add(hv)
        s.commit()

        is_(
            hv,
            s.scalars(
                select(Vertex).where(Vertex.start == Point(1, 2))
            ).first(),
        )

    def test_no_name_declarative_two(self, decl_base, connection):
        """test #7752"""