def test_replace_dollars_with_modifier(self):
assert replace_dollars('$1 hundred') == 'one hundred dollars'
result = replace_dollars('$100 thousand')
assert result == 'one hundred thousand dollars'
result = replace_dollars('$100 million')
assert result == 'one hundred million dollars'
result = replace_dollars('$100 billion')
assert result == 'one hundred billion dollars'
result = replace_dollars('$100 trillion')
assert result == 'one hundred trillion dollars'
def test_replace_dollars_with_space_before_sign(self):
assert replace_dollars('$ 10') == 'ten dollars'
assert replace_dollars('$ 1000') == 'one thousand dollars'
def test_replace_dollars_without_modifier(self):
assert replace_dollars('$10') == 'ten dollars'
assert replace_dollars('$100') == 'one hundred dollars'
def test_it_does_not_consume_trailing_whitespace():
assert replace_dollars('$10.15 .') == 'ten dollars fifteen cents .'
def test_it_works(self):
assert replace_dollars('$10.25') == 'ten dollars twenty five cents'
def test_with_multiple_dollar_amounts(self):
result = replace_dollars('$1.6 billion or $1.2 million')
assert result == 'one point six billion dollars or one point two ' + \
'million dollars'
def test_modifier_with_decimal_place(self):
result = replace_dollars('$1.6 billion')
assert result == 'one point six billion dollars'
result = replace_dollars('$ 1.6 billion')
assert result == 'one point six billion dollars'