def test_normal_in():
matrix = [
[A, B, T, G],
[C, F, C, S],
[J, D, E, H]]
string = "BFCE"
assert has_path(matrix, string) == True
def test_same_element_not_in():
matrix = [
[A, A, A, A],
[A, A, A, A],
[A, A, A, A]]
string = "AAAAAAAAAAAAA"
assert has_path(matrix, string) == False
def test_normal_not_in():
matrix = [
[A, B, T, G],
[C, F, C, S],
[J, D, E, H]]
string = "ABFB"
assert has_path(matrix, string) == False
def test_corner_in():
matrix = [
[A, B, C, E],
[S, F, C, S],
[A, D, E, E]]
string = "SEE"
assert has_path(matrix, string) == True
def test_long_string_border_repeat_not_in():
matrix = [
[A, B, C, E, H, J, I, G],
[S, F, C, S, L, O, P, Q],
[A, D, E, E, M, N, O, E],
[A, D, I, D, E, J, F, M],
[V, C, E, I, F, G, G, S]]
string = "SGGFIECVAASABCEHJIGQEMS"
assert has_path(matrix, string) == False
def test_long_string_in():
matrix = [
[A, B, C, E, H, J, I, G],
[S, F, C, S, L, O, P, Q],
[A, D, E, E, M, N, O, E],
[A, D, I, D, E, J, F, M],
[V, C, E, I, F, G, G, S]]
string = "SLHECCEIDEJFGGFIE"
assert has_path(matrix, string) == True
def test_single_in():
matrix = [[A]]
string = "A"
assert has_path(matrix, string) == True
def test_string_none():
matrix = [[A]]
string = ""
assert has_path(matrix, string) == True
def test_matrix_none():
matrix = [[]]
string = "A"
assert has_path(matrix, string) == False
def test_single_not_in():
matrix = [[A]]
string = "B"
assert has_path(matrix, string) == False
