def test_dot():
"""test the dot product of two mixed dimentional vectors"""
# Vector dot-product.
x = [1, 2, 3]
y = [4, 5, 6]
z = tnp.dot(x, y)
assert z == 32
def test_mdim_dot():
"""test the dot product of two mixed dimentional vectors"""
# Mixed dim dot-product.
x = [1, 2, 3]
y = [4, 5, 6, 7]
with pytest.raises(IndexError) as execinfo:
z = tnp.dot(x, y)
assert 'Vector has invalid dimensions' in str(execinfo.value)