def to_json(self, *, include_keys=None, exclude_keys=None, use_default_excludes=True,
pretty=False):
"""Converts the response from to_dict to a JSON string. If pretty is True then newlines,
indentation and key sorting are used.
"""
return to_json(
self.to_dict(
include_keys=include_keys,
exclude_keys=exclude_keys,
use_default_excludes=use_default_excludes),
pretty=pretty)
def test_to_json(self):
d = dict(a=[1, 2])
self.assertEqual(h.to_json(d), json.dumps(d, sort_keys=False, indent=None, separators=(",", ":")))
self.assertEqual(h.to_json(d, True), json.dumps(d, sort_keys=True, indent=2, separators=(", ", ": ")))
with self.assertRaises(TypeError):
d = dict(dt=datetime.now())
h.to_json(d)
h.register_json_default(lambda o: hasattr(o, "isoformat"), lambda o: o.isoformat())
self.assertEqual(h.to_json(d), h.to_json(h.pick(d, ["dt"], transform=lambda n: n.isoformat())))
