def test_linecount(self):
b = Buffer('')
self.assertEqual(1, b.linecount)
b = Buffer('Hello World!')
self.assertEqual(1, b.linecount)
b = Buffer('\n')
self.assertEqual(2, b.linecount)
def setUp(self):
testfile = os.path.splitext(__file__)[0] + '.py'
with open(testfile, encoding='utf-8') as f:
self.text = ustr(f.read())
self.buf = Buffer(self.text, whitespace='')
class BufferingTests(unittest.TestCase):
def setUp(self):
testfile = os.path.splitext(__file__)[0] + '.py'
with open(testfile, encoding='utf-8') as f:
self.text = ustr(f.read())
self.buf = Buffer(self.text, whitespace='')
def test_pos_consistency(self):
line = col = 0
for p, c in enumerate(self.text):
bl, bc = self.buf.line_info(p)[1:3]
d = self.buf.next()
# print('tx', line, col, repr(c))
# print('bu', bl, bc, repr(d))
self.assertEqual(bl, line)
self.assertEqual(bc, col)
self.assertEqual(d, c)
if c == '\n':
col = 0
line += 1
else:
col += 1
def test_next_consisntency(self):
while not self.buf.atend():
bl, bc = self.buf.line_info()[1:3]
# print('li', bl, bc)
# print('bu', self.buf.line, self.buf.col)
self.assertEqual(bl, self.buf.line)
self.assertEqual(bc, self.buf.col)
self.buf.next()
def test_goto_consistency(self):
for _ in range(100):
self.buf.goto(random.randrange(len(self.text)))
bl, bc = self.buf.line_info()[1:3]
# print('li', bl, bc)
# print('bu', self.buf.line, self.buf.col)
self.assertEqual(bl, self.buf.line)
self.assertEqual(bc, self.buf.col)
def test_line_consistency(self):
lines = self.buf.split_block_lines(self.text)
for n, line in enumerate(lines):
self.assertEqual(line, self.buf.get_line(n))
def test_line_info_consistency(self):
lines = self.buf.split_block_lines(self.text)
line = 0
col = 0
start = 0
for n, char in enumerate(self.text):
info = self.buf.line_info(n)
self.assertEqual(info.line, line)
self.assertEqual(info.col, col)
self.assertEqual(info.start, start)
self.assertEqual(info.text, lines[line])
col = col + 1
if char == '\n':
line += 1
col = 0
start = n + 1
text_len = len(self.text)
info = self.buf.line_info(1 + text_len)
self.assertEqual(info.line, len(self.text.splitlines()) - 1)
self.assertEqual(info.end, text_len)
def test_linecount(self):
b = Buffer('')
self.assertEqual(1, b.linecount)
b = Buffer('Hello World!')
self.assertEqual(1, b.linecount)
b = Buffer('\n')
self.assertEqual(2, b.linecount)
@unittest.skip('not valid')
def test_namechars(self):
grammar = '''
@@namechars :: '-'
start =
"key" ~ ";" |
"key-word" ~ ";" |
"key-word-extra" ~ ";"
;
'''
self.assertEquals(['key-word-extra', ';'],
parse(grammar, 'key-word-extra;'))