def test_invalid_tensor_construction():
with pytest.raises(TypeError):
pa.Tensor()
def test_invalid_tensor_operation():
t = pa.Tensor()
with pytest.raises(TypeError):
t.to_numpy()
def test_invalid_tensor_constructor_repr():
# ARROW-2638: prevent calling extension class constructors directly
with pytest.raises(TypeError):
repr(pa.Tensor([1]))
def test_invalid_tensor_constructor_repr():
t = pa.Tensor([1])
assert repr(t) == '<invalid pyarrow.Tensor>'