def test_smallest_non_degenerate_case_with_odd_diamond_side_length(self):
result = [' A ',
' B B ',
'C C',
' B B ',
' A ']
self.assertEqual(rows('C'), result)
def test_largest_possible_diamond(self):
result = [
" A ",
" B B ",
" C C ",
" D D ",
" E E ",
" F F ",
" G G ",
" H H ",
" I I ",
" J J ",
" K K ",
" L L ",
" M M ",
" N N ",
" O O ",
" P P ",
" Q Q ",
" R R ",
" S S ",
" T T ",
" U U ",
" V V ",
" W W ",
" X X ",
" Y Y ",
"Z Z",
" Y Y ",
" X X ",
" W W ",
" V V ",
" U U ",
" T T ",
" S S ",
" R R ",
" Q Q ",
" P P ",
" O O ",
" N N ",
" M M ",
" L L ",
" K K ",
" J J ",
" I I ",
" H H ",
" G G ",
" F F ",
" E E ",
" D D ",
" C C ",
" B B ",
" A ",
]
self.assertEqual(rows("Z"), result)
def test_largest_possible_diamond(self):
result = [
' A ',
' B B ',
' C C ',
' D D ',
' E E ',
' F F ',
' G G ',
' H H ',
' I I ',
' J J ',
' K K ',
' L L ',
' M M ',
' N N ',
' O O ',
' P P ',
' Q Q ',
' R R ',
' S S ',
' T T ',
' U U ',
' V V ',
' W W ',
' X X ',
' Y Y ',
'Z Z',
' Y Y ',
' X X ',
' W W ',
' V V ',
' U U ',
' T T ',
' S S ',
' R R ',
' Q Q ',
' P P ',
' O O ',
' N N ',
' M M ',
' L L ',
' K K ',
' J J ',
' I I ',
' H H ',
' G G ',
' F F ',
' E E ',
' D D ',
' C C ',
' B B ',
' A '
]
self.assertEqual(rows('Z'), result)
def test_smallest_non_degenerate_case_with_even_diamond_side_length(self):
result = [
" A ",
" B B ",
" C C ",
"D D",
" C C ",
" B B ",
" A ",
]
self.assertEqual(rows("D"), result)
def test_largest_possible_diamond(self):
result = [' A ',
' B B ',
' C C ',
' D D ',
' E E ',
' F F ',
' G G ',
' H H ',
' I I ',
' J J ',
' K K ',
' L L ',
' M M ',
' N N ',
' O O ',
' P P ',
' Q Q ',
' R R ',
' S S ',
' T T ',
' U U ',
' V V ',
' W W ',
' X X ',
' Y Y ',
'Z Z',
' Y Y ',
' X X ',
' W W ',
' V V ',
' U U ',
' T T ',
' S S ',
' R R ',
' Q Q ',
' P P ',
' O O ',
' N N ',
' M M ',
' L L ',
' K K ',
' J J ',
' I I ',
' H H ',
' G G ',
' F F ',
' E E ',
' D D ',
' C C ',
' B B ',
' A ']
self.assertEqual(rows('Z'), result)
def test_degenerate_case_with_a_single_a_row(self):
result = ["A"]
self.assertEqual(rows("A"), result)
def test_degenerate_case_with_no_row_containing_3_distinct_groups_of_spaces(
self):
result = [" A ", "B B", " A "]
self.assertEqual(rows("B"), result)
def test_degenerate_case_with_a_single_row(self):
self.assertEqual(rows('A'), ['A'])
def test_smallest_non_degenerate_case_with_even_diamond_side_length(self):
result = [
' A ', ' B B ', ' C C ', 'D D', ' C C ', ' B B ',
' A '
]
self.assertEqual(rows('D'), result)
def test_degenerate_case_with_two_rows(self):
result = [' A ', 'B B', ' A ']
self.assertEqual(rows('B'), result)
def test_degenerate_case_with_a_single_row(self):
self.assertEqual(rows('A'), ['A'])
def test_degenerate_case_with_two_rows(self):
result = [' A ',
'B B',
' A ']
self.assertEqual(rows('B'), result)
