def test_single_consonant():
assert is_valid_string("d")
assert is_valid_string("b")
assert is_valid_string("c")
assert is_valid_string("kh")
assert is_valid_string("ng")
assert is_valid_string("đ")
assert is_valid_string("đm")
assert is_valid_string("đc")
assert is_valid_string("kgcd")
def test_single_consonant():
assert is_valid_string("d")
assert is_valid_string("b")
assert is_valid_string("c")
assert is_valid_string("kh")
assert is_valid_string("ng")
assert is_valid_string("đ")
assert is_valid_string("đm")
assert is_valid_string("đc")
assert is_valid_string("kgcd")
def test_non_final():
assert is_valid_string("thuyen", final_form=False)
assert is_valid_string("thuyen", final_form=True) is False
assert is_valid_string("thuyeen", final_form=False) is False
assert is_valid_string("thuyeeng", final_form=False) is False
assert is_valid_string("ảch", final_form=False) is True
assert is_valid_string("ảch", final_form=True) is False
assert is_valid_string("ưoi", final_form=False)
assert is_valid_string("ưoi", final_form=True) is False
assert is_valid_string("aun", final_form=False) is False
assert is_valid_string("uoin", final_form=False) is False
def test_non_final():
assert is_valid_string("thuyen", final_form=False)
assert is_valid_string("thuyen", final_form=True) is False
assert is_valid_string("thuyeen", final_form=False) is False
assert is_valid_string("thuyeeng", final_form=False) is False
assert is_valid_string("ảch", final_form=False) is True
assert is_valid_string("ảch", final_form=True) is False
assert is_valid_string("ưoi", final_form=False)
assert is_valid_string("ưoi", final_form=True) is False
assert is_valid_string("aun", final_form=False) is False
assert is_valid_string("uoin", final_form=False) is False
def atomic(word):
try:
ok_(is_valid_string(word))
except AssertionError:
if word in exception:
pass
else:
raise
def atomic(word):
try:
ok_(is_valid_string(word))
except AssertionError:
if word in exception:
pass
else:
raise
def test_c_ending():
assert is_valid_string("éc", final_form=True)
assert is_valid_string("ác", final_form=True)
assert is_valid_string("úc", final_form=True)
assert is_valid_string("óc", final_form=True)
assert is_valid_string("thớc", final_form=True) is False
assert is_valid_string("ic", final_form=True) is False
def test_c_ending():
assert is_valid_string("éc", final_form=True)
assert is_valid_string("ác", final_form=True)
assert is_valid_string("úc", final_form=True)
assert is_valid_string("óc", final_form=True)
assert is_valid_string("thớc", final_form=True) is False
assert is_valid_string("ic", final_form=True) is False
def test_ch_ending():
# Good
assert is_valid_string("ếch", final_form=True)
assert is_valid_string("thách", final_form=True)
assert is_valid_string("ích", final_form=True)
assert is_valid_string("khuếch", final_form=True) is True
assert is_valid_string("huỵch", final_form=True) is True
assert is_valid_string("hoạch", final_form=True) is True
# Wrong vowels
assert is_valid_string("ech", final_form=True) is False
assert is_valid_string("och", final_form=True) is False
# Wrong tones
assert is_valid_string("ềch", final_form=True) is False
assert is_valid_string("thảch", final_form=True) is False
assert is_valid_string("ĩch", final_form=True) is False
assert is_valid_string("khuêch", final_form=True) is False
assert is_valid_string("huỳch", final_form=True) is False
assert is_valid_string("hoảch", final_form=True) is False
def test_non_terminal_vowels():
assert is_valid_string("bang")
assert is_valid_string("baing") is False
def test_ch_ending():
# Good
assert is_valid_string("ếch", final_form=True)
assert is_valid_string("thách", final_form=True)
assert is_valid_string("ích", final_form=True)
assert is_valid_string("khuếch", final_form=True) is True
assert is_valid_string("huỵch", final_form=True) is True
assert is_valid_string("hoạch", final_form=True) is True
# Wrong vowels
assert is_valid_string("ech", final_form=True) is False
assert is_valid_string("och", final_form=True) is False
# Wrong tones
assert is_valid_string("ềch", final_form=True) is False
assert is_valid_string("thảch", final_form=True) is False
assert is_valid_string("ĩch", final_form=True) is False
assert is_valid_string("khuêch", final_form=True) is False
assert is_valid_string("huỳch", final_form=True) is False
assert is_valid_string("hoảch", final_form=True) is False
def test_non_terminal_vowels():
assert is_valid_string("bang")
assert is_valid_string("baing") is False