def test_decimal():
lex = question_lexer.clone()
lex.input('$(2.15 + 3 - 4.2)')
assert lexer_to_list(lex) == [('START', '$('),
('DECIMAL', Decimal('2.15')), ('PLUS', '+'),
('INT', 3), ('MINUS', '-'),
('DECIMAL', Decimal('4.2')), ('RPAREN', ')')]
def test_text_2():
lex = question_lexer.clone()
lex.input('$$()')
assert lexer_to_list(lex) == [('CHAR', '$'), ('START', '$('),
('RPAREN', ')')]
def test_text_1():
lex = question_lexer.clone()
lex.input('Hola')
assert lexer_to_list(lex) == [('CHAR', 'H'), ('CHAR', 'o'), ('CHAR', 'l'),
('CHAR', 'a')]
def test_character_ignore():
lex = question_lexer.clone()
lex.input('$(3 + \t\n 5)')
assert lexer_to_list(lex) == [('START', '$('), ('INT', 3), ('PLUS', '+'),
('INT', 5), ('RPAREN', ')')]
def test_simple_operation():
lex = question_lexer.clone()
lex.input('$(3+5)')
assert lexer_to_list(lex) == [('START', '$('), ('INT', 3), ('PLUS', '+'),
('INT', 5), ('RPAREN', ')')]
def test_one_operator_2():
lex = question_lexer.clone()
lex.input('$(-)')
assert lexer_to_list(lex) == [('START', '$('), ('MINUS', '-'),
('RPAREN', ')')]