def test_rhombus_width11():
"""print('\n'.join(expected)) would give (ignore indents):
*
***
*****
*******
*********
***********
*********
*******
*****
***
*
"""
actual = list(gen_rhombus(11))
expected = [
" * ",
" *** ",
" ***** ",
" ******* ",
" ********* ",
"***********",
" ********* ",
" ******* ",
" ***** ",
" *** ",
" * ",
]
assert actual == expected
def test_rhombus_width3():
# recommended: actual before expected
# https://twitter.com/brianokken/status/1063337328553295876
actual = list(gen_rhombus(3))
expected = [' * ', '***', ' * ']
assert actual == expected
def test_rhombus_width5():
actual = list(gen_rhombus(5))
expected = [' * ', ' *** ', '*****', ' *** ', ' * ']
assert actual == expected
def test_rhombus_width5():
actual = list(gen_rhombus(5))
expected = [" * ", " *** ", "*****", " *** ", " * "]
assert actual == expected