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import unittest
from Cython import StringIOTree as stringtree
code = """
cdef int spam # line 1
cdef ham():
a = 1
b = 2
c = 3
d = 4
def eggs():
pass
cpdef bacon():
print spam
print 'scotch'
print 'tea?'
print 'or coffee?' # line 16
"""
linemap = dict(enumerate(code.splitlines()))
class TestStringIOTree(unittest.TestCase):
def setUp(self):
self.tree = stringtree.StringIOTree()
def test_markers(self):
assert not self.tree.allmarkers()
def test_insertion(self):
self.write_lines((1, 2, 3))
line_4_to_6_insertion_point = self.tree.insertion_point()
self.write_lines((7, 8))
line_9_to_13_insertion_point = self.tree.insertion_point()
self.write_lines((14, 15, 16))
line_4_insertion_point = line_4_to_6_insertion_point.insertion_point()
self.write_lines((5, 6), tree=line_4_to_6_insertion_point)
line_9_to_12_insertion_point = (
line_9_to_13_insertion_point.insertion_point())
self.write_line(13, tree=line_9_to_13_insertion_point)
self.write_line(4, tree=line_4_insertion_point)
self.write_line(9, tree=line_9_to_12_insertion_point)
line_10_insertion_point = line_9_to_12_insertion_point.insertion_point()
self.write_line(11, tree=line_9_to_12_insertion_point)
self.write_line(10, tree=line_10_insertion_point)
self.write_line(12, tree=line_9_to_12_insertion_point)
self.assertEqual(self.tree.allmarkers(), list(range(1, 17)))
self.assertEqual(code.strip(), self.tree.getvalue().strip())
def write_lines(self, linenos, tree=None):
for lineno in linenos:
self.write_line(lineno, tree=tree)
def write_line(self, lineno, tree=None):
if tree is None:
tree = self.tree
tree.markers.append(lineno)
tree.write(linemap[lineno] + '\n')