def test_json(self):
# Set up test objects
test_repo = ConvertRepo()
test_type = ConvertType(test_repo, "test_type")
test_repo.add_type(test_type)
prefix_group = ConvertPrefixGroup(test_repo, "test_group")
test_repo.add_prefix_group(prefix_group)
test_type.base_unit = ConvertUnit(test_type, ["base_unit"], 1)
test_unit_names = ["name1", "name2"]
test_value = 1337
# Create test unit
test_unit = ConvertUnit(test_type, test_unit_names, test_value)
test_unit.update_offset(10)
test_unit.add_abbr("abbr1")
test_unit.valid_prefix_group = prefix_group
# Convert to json and back
test_json = test_unit.to_json()
json_unit = ConvertUnit.from_json(test_type, test_json)
assert len(test_unit.abbr_list) == 1
assert "abbr1" in json_unit.abbr_list
assert json_unit.type == test_type
assert len(test_unit.name_list) == 2
assert "name1" in json_unit.name_list
assert "name2" in json_unit.name_list
assert json_unit.value == test_value
assert json_unit.offset == 10
assert json_unit.last_updated_date == test_unit.last_updated_date
assert json_unit.valid_prefix_group == prefix_group
