def test_LexerCore_init(self):
lc = lexer2.LexerCore("I am a source string", "I am an error constructor")
assert lc.src == "I am a source string"
assert lc.syntax_error_ctor == "I am an error constructor"
def test_badlexing(self, input, goal):
lex = lexer2.LexerCore(input, SyntaxError)
rv = lex.token(0, getattr(lex, goal))
assert rv is None
def test_goodlexing(self, input_src, startpos, goal, expected):
lex = lexer2.LexerCore(input_src, SyntaxError)
rv = lex.token(startpos, getattr(lex, goal))
assert rv == expected
def test_string_value_errs(self, input):
lc = lexer2.LexerCore("", SyntaxError)
with pytest.raises(SyntaxError):
lc._string_value(input)
def test_string_value(self, input, expected):
lc = lexer2.LexerCore("", SyntaxError)
rv = lc._string_value(input)
assert rv == expected
def run_test(src, expected_type, parse_fcn, *parse_args):
lex = lexer2.LexerCore(src, SyntaxError)
rv = parse_fcn(parse2.Parse2Context(src), lex, 0, False, *parse_args)
assert isinstance(rv, expected_type)