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import unittest
from traitsui.extras.demo import extract_docstring_from_source
class TestParseSource(unittest.TestCase):
def test_simple_source(self):
source_code = '\n'.join(['"""',
'Docstring',
'"""',
'a = 1'])
docstring, source = extract_docstring_from_source(source_code)
self.assertEqual(docstring, '\nDocstring\n')
self.assertEqual(source, 'a = 1')
def test_alternate_quotes(self):
source_code = '\n'.join(["'''",
'Docstring',
"'''",
'a = 1'])
docstring, source = extract_docstring_from_source(source_code)
self.assertEqual(docstring, '\nDocstring\n')
self.assertEqual(source, 'a = 1')
def test_string_in_source(self):
source_code = '\n'.join(['"""',
'Docstring',
'"""',
'"string in source"',
'a = 1'])
docstring, source = extract_docstring_from_source(source_code)
self.assertEqual(docstring, '\nDocstring\n')
self.assertEqual(source, '\n'.join(['"string in source"',
'a = 1']))
def test_string_in_docstring(self):
source_code = '\n'.join(['"""',
'Docstring',
'"string in docstring"',
'"""',
'a = 1'])
docstring, source = extract_docstring_from_source(source_code)
self.assertEqual(docstring, '\n'.join(['',
'Docstring',
'"string in docstring"',
'']))
self.assertEqual(source, '\n'.join(['a = 1']))
def test_ignore_class_docstring(self):
source_code = '\n'.join(['class Foo:',
' """Class docstring"""'])
docstring, source = extract_docstring_from_source(source_code)
self.assertEqual(docstring, '')
self.assertEqual(source, '\n'.join(['class Foo:',
' """Class docstring"""']))
def test_ignore_starting_comment(self):
source_code = '\n'.join(['# Copyright notice.',
'# Something about the author.',
'"""',
'Docstring',
'"""',
'a = 1'])
docstring, source = extract_docstring_from_source(source_code)
self.assertEqual(docstring, '\nDocstring\n')
self.assertEqual(source, '\n'.join(['# Copyright notice.',
'# Something about the author.',
'a = 1']))
if __name__ == '__main__':
unittest.main()
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