JezK
Edit File: test_errors.py
import sys, pickle from unittest import TestCase import simplejson as json from simplejson.compat import text_type, b class TestErrors(TestCase): def test_string_keys_error(self): data = [{'a': 'A', 'b': (2, 4), 'c': 3.0, ('d',): 'D tuple'}] try: json.dumps(data) except TypeError: err = sys.exc_info()[1] else: self.fail('Expected TypeError') self.assertEqual(str(err), 'keys must be str, int, float, bool or None, not tuple') def test_not_serializable(self): try: json.dumps(json) except TypeError: err = sys.exc_info()[1] else: self.fail('Expected TypeError') self.assertEqual(str(err), 'Object of type module is not JSON serializable') def test_decode_error(self): err = None try: json.loads('{}\na\nb') except json.JSONDecodeError: err = sys.exc_info()[1] else: self.fail('Expected JSONDecodeError') self.assertEqual(err.lineno, 2) self.assertEqual(err.colno, 1) self.assertEqual(err.endlineno, 3) self.assertEqual(err.endcolno, 2) def test_scan_error(self): err = None for t in (text_type, b): try: json.loads(t('{"asdf": "')) except json.JSONDecodeError: err = sys.exc_info()[1] else: self.fail('Expected JSONDecodeError') self.assertEqual(err.lineno, 1) self.assertEqual(err.colno, 10) def test_error_is_pickable(self): err = None try: json.loads('{}\na\nb') except json.JSONDecodeError: err = sys.exc_info()[1] else: self.fail('Expected JSONDecodeError') s = pickle.dumps(err) e = pickle.loads(s) self.assertEqual(err.msg, e.msg) self.assertEqual(err.doc, e.doc) self.assertEqual(err.pos, e.pos) self.assertEqual(err.end, e.end)