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import unittest
import mitogen.core
from mitogen.core import next
class IterSplitTest(unittest.TestCase):
func = staticmethod(mitogen.core.iter_split)
def test_empty_buffer(self):
lst = []
trailer, cont = self.func(buf='', delim='\n', func=lst.append)
self.assertTrue(cont)
self.assertEqual('', trailer)
self.assertEqual([], lst)
def test_empty_line(self):
lst = []
trailer, cont = self.func(buf='\n', delim='\n', func=lst.append)
self.assertTrue(cont)
self.assertEqual('', trailer)
self.assertEqual([''], lst)
def test_one_line(self):
buf = 'xxxx\n'
lst = []
trailer, cont = self.func(buf=buf, delim='\n', func=lst.append)
self.assertTrue(cont)
self.assertEqual('', trailer)
self.assertEqual(lst, ['xxxx'])
def test_one_incomplete(self):
buf = 'xxxx\nyy'
lst = []
trailer, cont = self.func(buf=buf, delim='\n', func=lst.append)
self.assertTrue(cont)
self.assertEqual('yy', trailer)
self.assertEqual(lst, ['xxxx'])
def test_returns_false_immediately(self):
buf = 'xxxx\nyy'
func = lambda buf: False
trailer, cont = self.func(buf=buf, delim='\n', func=func)
self.assertFalse(cont)
self.assertEqual('yy', trailer)
def test_returns_false_second_call(self):
buf = 'xxxx\nyy\nzz'
it = iter([True, False])
func = lambda buf: next(it)
trailer, cont = self.func(buf=buf, delim='\n', func=func)
self.assertFalse(cont)
self.assertEqual('zz', trailer)
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