def test_big_safe_expr(self):
code = "(['26 One'] if k_eight is not None and 'Blah' in k_eight else []) " +\
"+ (['26 Two'] if k_eight is not None and 'Blah-Blah' in k_eight " +\
"else []) + (['26 Three'] if k_eight is not None and " +\
"'Blah-Blah-Blah' in k_eight else [])".strip()
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(0, len(checker.errors))
self.assertEqual(0, len(checker.warnings))
def test_warn_is_str(self):
code = "temperature is '10'"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(1, len(checker.warnings))
code = "temperature == '10'"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(0, len(checker.warnings))
def test_warn_is_binop(self):
code = "temperature is 5 - 2"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(1, len(checker.warnings))
self.assertTrue("temperature is 5 - 2" in checker.warnings[0])
code = "temperature is 5 / 2"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertTrue("temperature is 5 / 2" in checker.warnings[0])
def test_warn_is_diff_types(self):
code = "temperature is True"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(1, len(checker.warnings))
self.assertTrue("temperature is True" in checker.warnings[0])
code = "temperature is 10.2"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(1, len(checker.warnings))
self.assertTrue("temperature is 10.2" in checker.warnings[0])
def test_avg_len_with_warns(self):
code = "k_nine if k_nine is '' else float(k_19) / 234.6 if k_19 else None"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(0, len(checker.errors))
self.assertEqual(1, len(checker.warnings))
def test_ternary(self):
code = "1 if k_nine is '' else 0"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(0, len(checker.errors))
self.assertEqual(1, len(checker.warnings))
def test_complex(self):
code = 'k_one - k_14 if k_one is \'1\' and k_14 else None'
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(0, len(checker.errors))
self.assertEqual(1, len(checker.warnings))
def test_warn_is_expr(self):
code = "temperature is (5 - 2) * 2"
checker = PythonExpressionChecker(code)
checker.test_expression()
self.assertEqual(1, len(checker.errors))
self.assertTrue("temperature is (5 - 2) * 2" in checker.errors[0])