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228 lines
7.0 KiB
228 lines
7.0 KiB
7 years ago
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#! /usr/bin/env python
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# $Id: test_viewlist.py 7463 2012-06-22 19:49:51Z milde $
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# Author: David Goodger <goodger@python.org>
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# Copyright: This module has been placed in the public domain.
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"""
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Test module for the ViewList class from statemachine.py.
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"""
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import unittest
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import sys
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import re
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from DocutilsTestSupport import statemachine
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class ViewListTests(unittest.TestCase):
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a_list = list('abcdefg')
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b_list = list('AEIOU')
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c_list = list('XYZ')
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def setUp(self):
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self.a = statemachine.ViewList(self.a_list, 'a')
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self.b = statemachine.ViewList(self.b_list, 'b')
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self.c = statemachine.ViewList(self.c_list, 'c')
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def test_xitems(self):
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self.assertEqual(list(self.b.xitems()),
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[('b', 0, 'A'), ('b', 1, 'E'),
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('b', 2, 'I'), ('b', 3, 'O'), ('b', 4, 'U')])
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self.assertEqual(list(self.c.xitems()),
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[('c', 0, 'X'), ('c', 1, 'Y'), ('c', 2, 'Z')])
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def test_lists(self):
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# be compatible to standard lists whenever sensible:
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self.assertEqual(self.a, self.a_list)
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self.assertEqual(str(self.a), str(self.a_list))
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self.assertEqual(self.b, self.b_list)
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self.assertEqual(self.c, self.c_list)
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self.assertEqual(len(self.a), len(self.a_list))
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self.assertTrue('d' in self.a) # __contains__
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self.assertEqual([value for value in self.a], self.a_list)
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# get and set values
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self.assertEqual(self.a[2], self.a_list[2])
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a = self.a[:]
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self.assertEqual(a, self.a)
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a[1] = 3
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self.assertEqual(a[1], 3)
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# the `items` list contains the metadata (source/offset tuples)
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self.assertEqual(self.a.items,
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[('a', i) for (i, v) in enumerate(self.a_list)])
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def test_special_class_methods(self):
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# `repr` returns instantiation expression
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self.assertEqual(repr(self.a), "ViewList(%s, items=%s)" %
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(repr(self.a_list), repr(self.a.items)))
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# `del` also deletes meta-data:
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del(self.c[1])
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self.assertEqual(list(self.c.xitems()),
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[('c', 0, 'X'), ('c', 2, 'Z')])
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# operators with extended behaviour
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ab = self.a + self.b
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self.assertEqual(ab, self.a_list + self.b_list)
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self.assertEqual(ab.items, self.a.items + self.b.items)
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aa = self.a * 2
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self.assertEqual(aa, self.a_list * 2)
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self.assertEqual(aa.items, self.a.items * 2)
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self.a += self.b
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self.assertEqual(self.a, self.a_list + self.b_list)
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# self.assertEqual(self.a.items, self.a.items + self.b.items)
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def test_get_slice(self):
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a = self.a[1:-1]
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a_list = self.a_list[1:-1]
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self.assertEqual(a, a_list)
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self.assertEqual(a.items, [('a', i+1) for (i, v) in enumerate(a_list)])
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self.assertEqual(a.parent, self.a)
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# a.pprint()
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def test_set_slice(self):
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a = statemachine.ViewList(self.a[:])
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s = a[2:-2]
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s[2:2] = self.b
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s_list = self.a_list[2:-2]
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s_list[2:2] = self.b_list
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# s.pprint()
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# s[1:4].pprint()
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self.assertEqual(s, s_list)
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self.assertEqual(s, a[2:-2])
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self.assertEqual(s.items, a[2:-2].items)
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def test_del_slice(self):
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a = statemachine.ViewList(self.a[:])
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s = a[2:]
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s_list = self.a_list[2:]
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del s[3:5]
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del s_list[3:5]
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self.assertEqual(s, s_list)
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self.assertEqual(s, a[2:])
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self.assertEqual(s.items, a[2:].items)
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def test_insert(self):
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a_list = self.a_list[:]
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a_list.insert(2, 'Q')
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a_list[4:4] = self.b_list
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a = self.a[:]
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self.assertTrue(isinstance(a, statemachine.ViewList))
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a.insert(2, 'Q', 'runtime')
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a.insert(4, self.b)
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self.assertEqual(a, a_list)
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self.assertEqual(a.info(2), ('runtime', 0))
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self.assertEqual(a.info(5), ('b', 1))
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def test_append(self):
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a_list = self.a_list[:]
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a_list.append('Q')
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a_list.extend(self.b_list)
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a = statemachine.ViewList(self.a)
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a.append('Q', 'runtime')
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a.append(self.b)
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# a.pprint()
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self.assertEqual(a, a_list)
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self.assertEqual(a.info(len(self.a)), ('runtime', 0))
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self.assertEqual(a.info(-2), ('b', len(self.b) - 2))
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def test_extend(self):
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a_list = self.a_list[:]
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a_list.extend(self.b_list)
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a = statemachine.ViewList(self.a)
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a.extend(self.b)
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self.assertEqual(a, a_list)
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self.assertEqual(a.info(len(self.a) + 1), ('b', 1))
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# a.pprint()
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def test_view(self):
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a = statemachine.ViewList(self.a[:])
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a.insert(4, self.b)
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s = a[2:-2]
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s.insert(5, self.c)
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self.assertEqual(s, a[2:-2])
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self.assertEqual(s.items, a[2:-2].items)
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s.pop()
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self.assertEqual(s, a[2:-2])
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self.assertEqual(s.items, a[2:-2].items)
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s.remove('X')
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self.assertEqual(s, a[2:-2])
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self.assertEqual(s.items, a[2:-2].items)
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def test_trim(self):
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a = statemachine.ViewList(self.a[:])
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s = a[1:-1]
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s.trim_start(1)
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self.assertEqual(a, self.a)
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self.assertEqual(s, a[2:-1])
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s.trim_end(1)
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self.assertEqual(a, self.a)
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self.assertEqual(s, a[2:-2])
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def test_info(self):
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ab = self.a + self.b
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self.assertEqual(ab.info(0), ('a', 0))
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self.assertEqual(ab.info(-1), ('b', len(self.b)-1))
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# report source if index is off the list by one
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self.assertEqual(ab.info(len(ab)), ('b', None))
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# `source` and `offset` methods are based on info
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self.assertEqual(ab.source(-1), 'b')
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self.assertEqual(ab.offset(-1), len(self.b)-1)
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def test_reverse(self):
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c = self.c[:]
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c.reverse()
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self.assertEqual(list(c.xitems()),
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[('c', 2, 'Z'), ('c', 1, 'Y'), ('c', 0, 'X')])
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def test_sort(self):
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c = self.c[:]
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c.reverse()
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# c.pprint()
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c.sort()
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self.assertEqual(self.c, c)
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# print
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# print a
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# print s
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# print a.items
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# print s.items
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class StringList(unittest.TestCase):
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text = """\
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This is some
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example text.
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Here is some
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indented text.
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Unindented text.
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"""
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indented_string = """\
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a
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literal
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block"""
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def setUp(self):
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self.a_list = self.text.splitlines(1)
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self.a = statemachine.StringList(self.a_list, 'a')
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def test_trim_left(self):
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s = self.a[3:5]
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s.trim_left(4)
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self.assertEqual(s, [line.lstrip() for line in self.a_list[3:5]])
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def test_get_indented(self):
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self.assertEqual(self.a.get_indented(),
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([], 0, 0))
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block = statemachine.StringList(
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statemachine.string2lines(self.indented_string))
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self.assertEqual(block.get_indented(),
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([s[6:] for s in block], 6, 1))
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if __name__ == '__main__':
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unittest.main()
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