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Edit File : test_hyperparser.py \| Size : 5.55 KB
"""Unittest for idlelib.HyperParser""" import unittest from test.test_support import requires from Tkinter import Tk, Text from idlelib.EditorWindow import EditorWindow from idlelib.HyperParser import HyperParser class DummyEditwin: def __init__(self, text): self.text = text self.indentwidth = 8 self.tabwidth = 8 self.context_use_ps1 = True self.num_context_lines = 50, 500, 1000 _build_char_in_string_func = EditorWindow._build_char_in_string_func.im_func is_char_in_string = EditorWindow.is_char_in_string.im_func class HyperParserTest(unittest.TestCase): code = ( '"""This is a module docstring"""\n' '# this line is a comment\n' 'x = "this is a string"\n' "y = 'this is also a string'\n" 'l = [i for i in range(10)]\n' 'm = [pypy for # comment\n' ' py in l]\n' 'x.__len__\n' "z = ((r'asdf')+('a')))\n" '[x for x in\n' 'for = False\n' ) @classmethod def setUpClass(cls): requires('gui') cls.root = Tk() cls.root.withdraw() cls.text = Text(cls.root) cls.editwin = DummyEditwin(cls.text) @classmethod def tearDownClass(cls): del cls.text, cls.editwin cls.root.destroy() del cls.root def setUp(self): self.text.insert('insert', self.code) def tearDown(self): self.text.delete('1.0', 'end') self.editwin.context_use_ps1 = True def get_parser(self, index): """ Return a parser object with index at 'index' """ return HyperParser(self.editwin, index) def test_init(self): """ test corner cases in the init method """ with self.assertRaises(ValueError) as ve: self.text.tag_add('console', '1.0', '1.end') p = self.get_parser('1.5') self.assertIn('precedes', str(ve.exception)) # test without ps1 self.editwin.context_use_ps1 = False # number of lines lesser than 50 p = self.get_parser('end') self.assertEqual(p.rawtext, self.text.get('1.0', 'end')) # number of lines greater than 50 self.text.insert('end', self.text.get('1.0', 'end')4) p = self.get_parser('54.5') def test_is_in_string(self): get = self.get_parser p = get('1.0') self.assertFalse(p.is_in_string()) p = get('1.4') self.assertTrue(p.is_in_string()) p = get('2.3') self.assertFalse(p.is_in_string()) p = get('3.3') self.assertFalse(p.is_in_string()) p = get('3.7') self.assertTrue(p.is_in_string()) p = get('4.6') self.assertTrue(p.is_in_string()) def test_is_in_code(self): get = self.get_parser p = get('1.0') self.assertTrue(p.is_in_code()) p = get('1.1') self.assertFalse(p.is_in_code()) p = get('2.5') self.assertFalse(p.is_in_code()) p = get('3.4') self.assertTrue(p.is_in_code()) p = get('3.6') self.assertFalse(p.is_in_code()) p = get('4.14') self.assertFalse(p.is_in_code()) def test_get_surrounding_bracket(self): get = self.get_parser def without_mustclose(parser): # a utility function to get surrounding bracket # with mustclose=False return parser.get_surrounding_brackets(mustclose=False) def with_mustclose(parser): # a utility function to get surrounding bracket # with mustclose=True return parser.get_surrounding_brackets(mustclose=True) p = get('3.2') self.assertIsNone(with_mustclose(p)) self.assertIsNone(without_mustclose(p)) p = get('5.6') self.assertTupleEqual(without_mustclose(p), ('5.4', '5.25')) self.assertTupleEqual(without_mustclose(p), with_mustclose(p)) p = get('5.23') self.assertTupleEqual(without_mustclose(p), ('5.21', '5.24')) self.assertTupleEqual(without_mustclose(p), with_mustclose(p)) p = get('6.15') self.assertTupleEqual(without_mustclose(p), ('6.4', '6.end')) self.assertIsNone(with_mustclose(p)) p = get('9.end') self.assertIsNone(with_mustclose(p)) self.assertIsNone(without_mustclose(p)) def test_get_expression(self): get = self.get_parser p = get('4.2') self.assertEqual(p.get_expression(), 'y ') p = get('4.7') with self.assertRaises(ValueError) as ve: p.get_expression() self.assertIn('is inside a code', str(ve.exception)) p = get('5.25') self.assertEqual(p.get_expression(), 'range(10)') p = get('6.7') self.assertEqual(p.get_expression(), 'py') p = get('6.8') self.assertEqual(p.get_expression(), '') p = get('7.9') self.assertEqual(p.get_expression(), 'py') p = get('8.end') self.assertEqual(p.get_expression(), 'x.__len__') p = get('9.13') self.assertEqual(p.get_expression(), "r'asdf'") p = get('9.17') with self.assertRaises(ValueError) as ve: p.get_expression() self.assertIn('is inside a code', str(ve.exception)) p = get('10.0') self.assertEqual(p.get_expression(), '') p = get('11.3') self.assertEqual(p.get_expression(), '') p = get('11.11') self.assertEqual(p.get_expression(), 'False') if __name__ == '__main__': unittest.main(verbosity=2) Back

Edit File : test_hyperparser.py | Size : 5.55 KB

"""Unittest for idlelib.HyperParser"""
import unittest
from test.test_support import requires
from Tkinter import Tk, Text
from idlelib.EditorWindow import EditorWindow
from idlelib.HyperParser import HyperParser

class DummyEditwin:
    def __init__(self, text):
        self.text = text
        self.indentwidth = 8
        self.tabwidth = 8
        self.context_use_ps1 = True
        self.num_context_lines = 50, 500, 1000

_build_char_in_string_func = EditorWindow._build_char_in_string_func.im_func
    is_char_in_string = EditorWindow.is_char_in_string.im_func

class HyperParserTest(unittest.TestCase):
    code = (
            '"""This is a module docstring"""\n'
            '# this line is a comment\n'
            'x = "this is a string"\n'
            "y = 'this is also a string'\n"
            'l = [i for i in range(10)]\n'
            'm = [py*py for # comment\n'
            '       py in l]\n'
            'x.__len__\n'
            "z = ((r'asdf')+('a')))\n"
            '[x for x in\n'
            'for = False\n'
            )

@classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.text = Text(cls.root)
        cls.editwin = DummyEditwin(cls.text)

@classmethod
    def tearDownClass(cls):
        del cls.text, cls.editwin
        cls.root.destroy()
        del cls.root

def setUp(self):
        self.text.insert('insert', self.code)

def tearDown(self):
        self.text.delete('1.0', 'end')
        self.editwin.context_use_ps1 = True

def get_parser(self, index):
        """
        Return a parser object with index at 'index'
        """
        return HyperParser(self.editwin, index)

def test_init(self):
        """
        test corner cases in the init method
        """
        with self.assertRaises(ValueError) as ve:
            self.text.tag_add('console', '1.0', '1.end')
            p = self.get_parser('1.5')
        self.assertIn('precedes', str(ve.exception))

# test without ps1
        self.editwin.context_use_ps1 = False

# number of lines lesser than 50
        p = self.get_parser('end')
        self.assertEqual(p.rawtext, self.text.get('1.0', 'end'))

# number of lines greater than 50
        self.text.insert('end', self.text.get('1.0', 'end')*4)
        p = self.get_parser('54.5')

def test_is_in_string(self):
        get = self.get_parser

p = get('1.0')
        self.assertFalse(p.is_in_string())
        p = get('1.4')
        self.assertTrue(p.is_in_string())
        p = get('2.3')
        self.assertFalse(p.is_in_string())
        p = get('3.3')
        self.assertFalse(p.is_in_string())
        p = get('3.7')
        self.assertTrue(p.is_in_string())
        p = get('4.6')
        self.assertTrue(p.is_in_string())

def test_is_in_code(self):
        get = self.get_parser

p = get('1.0')
        self.assertTrue(p.is_in_code())
        p = get('1.1')
        self.assertFalse(p.is_in_code())
        p = get('2.5')
        self.assertFalse(p.is_in_code())
        p = get('3.4')
        self.assertTrue(p.is_in_code())
        p = get('3.6')
        self.assertFalse(p.is_in_code())
        p = get('4.14')
        self.assertFalse(p.is_in_code())

def test_get_surrounding_bracket(self):
        get = self.get_parser

def without_mustclose(parser):
            # a utility function to get surrounding bracket
            # with mustclose=False
            return parser.get_surrounding_brackets(mustclose=False)

def with_mustclose(parser):
            # a utility function to get surrounding bracket
            # with mustclose=True
            return parser.get_surrounding_brackets(mustclose=True)

p = get('3.2')
        self.assertIsNone(with_mustclose(p))
        self.assertIsNone(without_mustclose(p))

p = get('5.6')
        self.assertTupleEqual(without_mustclose(p), ('5.4', '5.25'))
        self.assertTupleEqual(without_mustclose(p), with_mustclose(p))

p = get('5.23')
        self.assertTupleEqual(without_mustclose(p), ('5.21', '5.24'))
        self.assertTupleEqual(without_mustclose(p), with_mustclose(p))

p = get('6.15')
        self.assertTupleEqual(without_mustclose(p), ('6.4', '6.end'))
        self.assertIsNone(with_mustclose(p))

p = get('9.end')
        self.assertIsNone(with_mustclose(p))
        self.assertIsNone(without_mustclose(p))

def test_get_expression(self):
        get = self.get_parser

p = get('4.2')
        self.assertEqual(p.get_expression(), 'y ')

p = get('4.7')
        with self.assertRaises(ValueError) as ve:
            p.get_expression()
        self.assertIn('is inside a code', str(ve.exception))

p = get('5.25')
        self.assertEqual(p.get_expression(), 'range(10)')

p = get('6.7')
        self.assertEqual(p.get_expression(), 'py')

p = get('6.8')
        self.assertEqual(p.get_expression(), '')

p = get('7.9')
        self.assertEqual(p.get_expression(), 'py')

p = get('8.end')
        self.assertEqual(p.get_expression(), 'x.__len__')

p = get('9.13')
        self.assertEqual(p.get_expression(), "r'asdf'")

p = get('9.17')
        with self.assertRaises(ValueError) as ve:
            p.get_expression()
        self.assertIn('is inside a code', str(ve.exception))

p = get('10.0')
        self.assertEqual(p.get_expression(), '')

p = get('11.3')
        self.assertEqual(p.get_expression(), '')

p = get('11.11')
        self.assertEqual(p.get_expression(), 'False')

if __name__ == '__main__':
    unittest.main(verbosity=2)

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