def test_read_token_but_not_close_paren(self):
test_string = list("akron)")
index, token = SExpParser.read_token(test_string, 0)
next_token = SExpParser.peek(test_string, index)
self.assertEqual('akron', token, 'Token should equal "akron"')
self.assertEqual(index, 5, 'index should advance')
self.assertEqual(next_token, ')', 'next token should be ""')
def test_read_token_with_no_leading_whitespace(self):
test_string = list("akron")
index, token = SExpParser.read_token(test_string, 0)
next_token = SExpParser.peek(test_string, index)
self.assertEqual('akron', token, 'Token should equal "akron"')
self.assertEqual(index, 5, 'index should advance')
self.assertEqual(next_token, '', 'next token should be ""')
def test_eat_whitespace(self):
test_string = list("!")
res = SExpParser.eat_whitespace(test_string, 0)
self.assertEqual(0, res, "No white space at start of string")
test_string = list(" !")
res = SExpParser.eat_whitespace(test_string, 0)
self.assertEqual(1, res, "One character of white space")
test_string = list("")
res = SExpParser.eat_whitespace(test_string, 0)
self.assertEqual(0, res, "empty string")
test_string = list(" ")
res = SExpParser.eat_whitespace(test_string, 0)
self.assertEqual(len(test_string), res, "string of spaces")
def test_load_name_only_close_paren_white_space_skipped(self):
sexp_str = '(name) A'
sexp_list = list(sexp_str)
index, data = SExp.load_inner(sexp_list)
self.assertEqual(data.name, 'name')
next_token = SExpParser.peek(sexp_list, index)
self.assertEqual(next_token, 'A', 'next token')
def test_load_one_word_data(self):
sexp_str = '(name word)'
sexp_list = list(sexp_str)
index, data = SExp.load_inner(sexp_list)
self.assertEqual(data.name, 'name')
self.assertEqual(data.values[0], 'word')
next_token = SExpParser.peek(sexp_list, index)
self.assertEqual(next_token, '', 'next token')
def test_load_quote_token_data(self):
sexp_str = '(name "q" a b "word()! " )'
sexp_list = list(sexp_str)
index, data = SExp.load_inner(sexp_list)
self.assertEqual(data.name, 'name')
self.assertEqual(data.values[0], '"q"')
self.assertEqual(data.values[1], 'a')
self.assertEqual(data.values[2], 'b')
self.assertEqual(data.values[3], '"word()! "')
next_token = SExpParser.peek(sexp_list, index)
self.assertEqual(next_token, '', 'next token')
def test_load_many_word_data(self):
sexp_str = '( name a b c d e )'
sexp_list = list(sexp_str)
index, data = SExp.load_inner(sexp_list)
self.assertEqual(data.name, 'name')
self.assertEqual(data.values[0], 'a')
self.assertEqual(data.values[1], 'b')
self.assertEqual(data.values[2], 'c')
self.assertEqual(data.values[3], 'd')
self.assertEqual(data.values[4], 'e')
next_token = SExpParser.peek(sexp_list, index)
self.assertEqual(next_token, '', 'next token')
def test_load_nested_data(self):
sexp_str = '(pad "" np_thru_hole circle (at 9.36 -1.92) (size 3.05 3.05) (drill 3.05) (layers *.Cu *.Mask))'
sexp_list = list(sexp_str)
index, data = SExp.load_inner(sexp_list)
self.assertEqual(data.name, 'pad')
self.assertEqual(data.values[0], '""')
self.assertEqual(data.values[1], 'np_thru_hole')
self.assertEqual(data.values[2], 'circle')
self.assertIsInstance(data.values[3], SExp)
self.assertEqual(data.values[3].name, 'at')
self.assertEqual(data.values[3].values[0], '9.36')
self.assertEqual(data.values[4].name, 'size')
self.assertIs(data.values[3].parent, data)
next_token = SExpParser.peek(sexp_list, index)
self.assertEqual(next_token, '', 'next token')