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171 lines
8 KiB
Python
171 lines
8 KiB
Python
"""test script for a few new invalid token catches"""
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import sys
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from codecs import BOM_UTF8
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from test.support import force_not_colorized
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from test.support import os_helper
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from test.support import script_helper
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from test.support import warnings_helper
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import unittest
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class EOFTestCase(unittest.TestCase):
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def test_EOF_single_quote(self):
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expect = "unterminated string literal (detected at line 1) (<string>, line 1)"
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for quote in ("'", "\""):
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with self.assertRaises(SyntaxError) as cm:
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eval(f"""{quote}this is a test\
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""")
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.offset, 1)
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def test_EOFS(self):
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expect = ("unterminated triple-quoted string literal (detected at line 3) (<string>, line 1)")
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with self.assertRaises(SyntaxError) as cm:
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eval("""ä = '''thîs is \na \ntest""")
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.text, "ä = '''thîs is ")
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self.assertEqual(cm.exception.offset, 5)
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with self.assertRaises(SyntaxError) as cm:
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eval("""ä = '''thîs is \na \ntest""".encode())
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.text, "ä = '''thîs is ")
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self.assertEqual(cm.exception.offset, 5)
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with self.assertRaises(SyntaxError) as cm:
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eval(BOM_UTF8 + """ä = '''thîs is \na \ntest""".encode())
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.text, "ä = '''thîs is ")
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self.assertEqual(cm.exception.offset, 5)
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with self.assertRaises(SyntaxError) as cm:
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eval("""# coding: latin1\nä = '''thîs is \na \ntest""".encode('latin1'))
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self.assertEqual(str(cm.exception), "unterminated triple-quoted string literal (detected at line 4) (<string>, line 2)")
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self.assertEqual(cm.exception.text, "ä = '''thîs is ")
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self.assertEqual(cm.exception.offset, 5)
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@force_not_colorized
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def test_EOFS_with_file(self):
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expect = ("(<string>, line 1)")
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with os_helper.temp_dir() as temp_dir:
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file_name = script_helper.make_script(temp_dir, 'foo',
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"""ä = '''thîs is \na \ntest""")
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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" ä = '''thîs is ",
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' ^',
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'SyntaxError: unterminated triple-quoted string literal (detected at line 3)'])
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file_name = script_helper.make_script(temp_dir, 'foo',
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"""ä = '''thîs is \na \ntest""".encode())
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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" ä = '''thîs is ",
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' ^',
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'SyntaxError: unterminated triple-quoted string literal (detected at line 3)'])
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file_name = script_helper.make_script(temp_dir, 'foo',
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BOM_UTF8 + """ä = '''thîs is \na \ntest""".encode())
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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" ä = '''thîs is ",
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' ^',
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'SyntaxError: unterminated triple-quoted string literal (detected at line 3)'])
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file_name = script_helper.make_script(temp_dir, 'foo',
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"""# coding: latin1\nä = '''thîs is \na \ntest""".encode('latin1'))
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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" ä = '''thîs is ",
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' ^',
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'SyntaxError: unterminated triple-quoted string literal (detected at line 4)'])
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@warnings_helper.ignore_warnings(category=SyntaxWarning)
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def test_eof_with_line_continuation(self):
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expect = "unexpected EOF while parsing (<string>, line 1)"
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with self.assertRaises(SyntaxError) as cm:
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compile('"\\Xhh" \\', '<string>', 'exec')
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self.assertEqual(str(cm.exception), expect)
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def test_line_continuation_EOF(self):
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"""A continuation at the end of input must be an error; bpo2180."""
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expect = 'unexpected EOF while parsing (<string>, line 1)'
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with self.assertRaises(SyntaxError) as cm:
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exec('ä = 5\\')
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.text, 'ä = 5\\\n')
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self.assertEqual(cm.exception.offset, 7)
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with self.assertRaises(SyntaxError) as cm:
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exec('ä = 5\\'.encode())
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.text, 'ä = 5\\\n')
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self.assertEqual(cm.exception.offset, 7)
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with self.assertRaises(SyntaxError) as cm:
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exec('# coding:latin1\nä = 5\\'.encode('latin1'))
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self.assertEqual(str(cm.exception),
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'unexpected EOF while parsing (<string>, line 2)')
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self.assertEqual(cm.exception.text, 'ä = 5\\\n')
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self.assertEqual(cm.exception.offset, 7)
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with self.assertRaises(SyntaxError) as cm:
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exec(BOM_UTF8 + 'ä = 5\\'.encode())
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self.assertEqual(str(cm.exception), expect)
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self.assertEqual(cm.exception.text, 'ä = 5\\\n')
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self.assertEqual(cm.exception.offset, 7)
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with self.assertRaises(SyntaxError) as cm:
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exec('\\')
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self.assertEqual(str(cm.exception), expect)
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@unittest.skipIf(not sys.executable, "sys.executable required")
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@force_not_colorized
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def test_line_continuation_EOF_from_file_bpo2180(self):
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"""Ensure tok_nextc() does not add too many ending newlines."""
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with os_helper.temp_dir() as temp_dir:
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file_name = script_helper.make_script(temp_dir, 'foo', '\\')
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-2:], [
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' \\',
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'SyntaxError: unexpected EOF while parsing'])
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self.assertEqual(err[-3][-8:], ', line 1', err)
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file_name = script_helper.make_script(temp_dir, 'foo', 'ä = 6\\')
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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' ä = 6\\',
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' ^',
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'SyntaxError: unexpected EOF while parsing'])
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self.assertEqual(err[-4][-8:], ', line 1', err)
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file_name = script_helper.make_script(temp_dir, 'foo',
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'# coding:latin1\n'
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'ä = 7\\'.encode('latin1'))
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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' ä = 7\\',
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' ^',
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'SyntaxError: unexpected EOF while parsing'])
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self.assertEqual(err[-4][-8:], ', line 2', err)
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file_name = script_helper.make_script(temp_dir, 'foo',
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BOM_UTF8 + 'ä = 8\\'.encode())
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rc, out, err = script_helper.assert_python_failure('-X', 'utf8', file_name)
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err = err.decode().splitlines()
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self.assertEqual(err[-3:], [
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' ä = 8\\',
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' ^',
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'SyntaxError: unexpected EOF while parsing'])
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self.assertEqual(err[-4][-8:], ', line 1', err)
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if __name__ == "__main__":
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unittest.main()
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