def test_read_local_var(self):
test_string = "a + b / c * d >= Loc4al * _Var2 + 2; "
token_list = [
Token(TokenKind.IDENTIFIER, "a"),
Token(TokenKind.SYMBOL, "+"),
Token(TokenKind.IDENTIFIER, "b"),
Token(TokenKind.SYMBOL, "/"),
Token(TokenKind.IDENTIFIER, "c"),
Token(TokenKind.SYMBOL, "*"),
Token(TokenKind.IDENTIFIER, "d"),
Token(TokenKind.SYMBOL, ">="),
Token(TokenKind.IDENTIFIER, "Loc4al"),
Token(TokenKind.SYMBOL, "*"),
Token(TokenKind.IDENTIFIER, "_Var2"),
Token(TokenKind.SYMBOL, "+"),
Token(TokenKind.NUMBER, "2"),
Token(TokenKind.SYMBOL, ";"),
Token(TokenKind.EOF),
]
reduce(linked_list_helper, token_list)
expected_token = token_list[0]
token = tokenize(test_string)
while token:
assert str(token) == str(expected_token)
token = token.next
expected_token = expected_token.next
def test_read_symbols(self):
test_string = "== != <= >= < > + - * / ( )"
token_list = [
Token(TokenKind.SYMBOL, "=="),
Token(TokenKind.SYMBOL, "!="),
Token(TokenKind.SYMBOL, "<="),
Token(TokenKind.SYMBOL, ">="),
Token(TokenKind.SYMBOL, "<"),
Token(TokenKind.SYMBOL, ">"),
Token(TokenKind.SYMBOL, "+"),
Token(TokenKind.SYMBOL, "-"),
Token(TokenKind.SYMBOL, "*"),
Token(TokenKind.SYMBOL, "/"),
Token(TokenKind.SYMBOL, "("),
Token(TokenKind.SYMBOL, ")"),
Token(TokenKind.EOF),
]
reduce(linked_list_helper, token_list)
expected_token = token_list[0]
token = tokenize(test_string)
while token:
assert str(token) == str(expected_token)
token = token.next
expected_token = expected_token.next
def test_read_single_string(self):
test_string = "(1 + 3) * 2"
token_list = [
Token(TokenKind.SYMBOL, "("),
Token(TokenKind.NUMBER, "1"),
Token(TokenKind.SYMBOL, "+"),
Token(TokenKind.NUMBER, "3"),
Token(TokenKind.SYMBOL, ")"),
Token(TokenKind.SYMBOL, "*"),
Token(TokenKind.NUMBER, "2"),
Token(TokenKind.EOF),
]
reduce(linked_list_helper, token_list)
expected_token = token_list[0]
token = tokenize(test_string)
while token:
assert str(token) == str(expected_token)
token = token.next
expected_token = expected_token.next
def test_read_multiple_string(self):
test_string = "112 == 32 + 160 / 2"
token_list = [
Token(TokenKind.NUMBER, "112"),
Token(TokenKind.SYMBOL, "=="),
Token(TokenKind.NUMBER, "32"),
Token(TokenKind.SYMBOL, "+"),
Token(TokenKind.NUMBER, "160"),
Token(TokenKind.SYMBOL, "/"),
Token(TokenKind.NUMBER, "2"),
Token(TokenKind.EOF),
]
reduce(linked_list_helper, token_list)
expected_token = token_list[0]
token = tokenize(test_string)
while token:
assert str(token) == str(expected_token)
token = token.next
expected_token = expected_token.next