def test_switch_to_numpy(self):
assert dtcwt.Transform2d is npbackend.Transform2d
assert dtcwt.Pyramid is npbackend.Pyramid
assert dtcwt.backend_name == 'numpy'
dtcwt.push_backend('numpy')
assert dtcwt.Transform2d is npbackend.Transform2d
assert dtcwt.Pyramid is npbackend.Pyramid
assert dtcwt.backend_name == 'numpy'
dtcwt.pop_backend()
assert dtcwt.Transform2d is npbackend.Transform2d
assert dtcwt.Pyramid is npbackend.Pyramid
assert dtcwt.backend_name == 'numpy'
def test_no_pop_default_backend(self):
with raises(IndexError):
dtcwt.pop_backend()
def test_no_pop_default_backend(self):
dtcwt.pop_backend()