def test_json_roundtrip(context, path_or_fileobj, encoding):
context = Context(context.objects, context.properties, context.bools)
assert 'lattice' not in context.__dict__
is_fileobj = hasattr(path_or_fileobj, 'seek')
kwargs = {'encoding': encoding} if encoding is not None else {}
context.tojson(path_or_fileobj, ignore_lattice=True, **kwargs)
if is_fileobj:
path_or_fileobj.seek(0)
assert 'lattice' not in context.__dict__
deserialized = Context.fromjson(path_or_fileobj, **kwargs)
if is_fileobj:
path_or_fileobj.seek(0)
assert 'lattice' not in deserialized.__dict__
assert deserialized == context
assert isinstance(context.lattice, Lattice)
assert 'lattice' in context.__dict__
context.tojson(path_or_fileobj, ignore_lattice=None, **kwargs)
if is_fileobj:
path_or_fileobj.seek(0)
deserialized = Context.fromjson(path_or_fileobj, **kwargs)
assert 'lattice' in deserialized.__dict__
assert deserialized == context
assert deserialized.lattice._eq(context.lattice)
def test_json_roundtrip_nonascii_context(nonascii_context, encoding):
assert isinstance(nonascii_context.lattice, Lattice)
assert 'lattice' in nonascii_context.__dict__
kwargs = {'encoding': encoding} if encoding is not None else {}
with io.StringIO() as f:
nonascii_context.tojson(f, **kwargs)
serialized = f.getvalue()
f.seek(0)
deserialized = Context.fromjson(f, **kwargs)
assert 'lattice' in deserialized.__dict__
assert deserialized == nonascii_context
assert deserialized.lattice._eq(nonascii_context.lattice)
assert '"Agneta F\\u00e4ltskog"' in serialized
assert '"Bj\\u00f6rn Ulvaeus"' in serialized
assert '"sch\\u00f6n"' in serialized