def test_wrong_not_operation(self):
text = "Status !% new"
lexer = Lexer(text)
with self.assertRaises(LexerError) as err:
while lexer.current_char is not None:
lexer.get_next_token()
self.assertEqual(err.exception.args,
('Parsing char `!` at position 7', ))
def test_invalid_format(self):
text = "%%%"
lexer = Lexer(text)
with self.assertRaises(LexerError) as err:
while lexer.current_char is not None:
lexer.get_next_token()
self.assertEqual(err.exception.args,
("Parsing char `%s` at position %i" % ('%', 0), ))
def test_invalid_format_peek_is_None(self):
text = '!'
lexer = Lexer(text)
with self.assertRaises(LexerError) as err:
while lexer.current_char is not None:
lexer.get_next_token()
self.assertEqual(err.exception.args,
('Parsing char `!` at position 0', ))
def test_parentheses(self):
text = "(Status=new | Status=open)"
lexer = Lexer(text)
token = lexer.get_next_token()
self.assertEqual(token, Token(LPAREN, '('))
while lexer.current_char is not None:
token = lexer.get_next_token()
self.assertEqual(token, Token(RPAREN, ')'))
def test_simple(self):
text = "Status=new"
lexer = Lexer(text)
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, "Status"))
token = lexer.get_next_token()
self.assertEqual(token, Token(IS, "="))
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, "new"))
def test_literal(self):
text = 'Queue = composite-literal'
lexer = Lexer(text)
token = None
while lexer.current_char is not None:
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, 'composite-literal'))
def test_complex_with_string_literal(self):
text = "Queue='complex-queue' & Status != resolved"
lexer = Lexer(text)
count = 0
last_token = None
while lexer.current_char is not None:
last_token = lexer.get_next_token()
count += 1
self.assertEqual(count, 7)
self.assertIsInstance(last_token, Token)
self.assertEqual(last_token, Token(LITERAL, "resolved"))
def test_complex(self):
text = "CF_Tags ~ release-on-prod & Status != resolved"
lexer = Lexer(text)
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, 'CF_Tags'))
token = lexer.get_next_token()
self.assertEqual(token, Token(MATCHES, '~'))
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, 'release-on-prod'))
token = lexer.get_next_token()
self.assertEqual(token, Token(AND, '&'))
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, 'Status'))
token = lexer.get_next_token()
self.assertEqual(token, Token(IS_NOT, '!='))
token = lexer.get_next_token()
self.assertEqual(token, Token(LITERAL, 'resolved'))
def test_string_escaped_literal(self):
text = r"'there\'s a text'"
lexer = Lexer(text)
token = lexer.get_next_token()
self.assertEqual(token, Token(STRING_LITERAL, "there's a text"))
def test_string_literal(self):
text = '"new status for example"'
lexer = Lexer(text)
token = lexer.get_next_token()
self.assertEqual(token, Token(STRING_LITERAL,
"new status for example"))
def test_blank_string_literal(self):
text = '""'
lexer = Lexer(text)
token = lexer.get_next_token()
self.assertEqual(token, Token(STRING_LITERAL, ''))