xref: /aosp_15_r20/external/grpc-grpc/src/ruby/spec/error_sanity_spec.rb (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1# Copyright 2015 gRPC authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15require 'spec_helper'
16
17StatusCodes = GRPC::Core::StatusCodes
18
19describe StatusCodes do
20  # convert upper snake-case to camel case.
21  # e.g., DEADLINE_EXCEEDED -> DeadlineExceeded
22  def upper_snake_to_camel(name)
23    name.to_s.split('_').map(&:downcase).map(&:capitalize).join('')
24  end
25
26  StatusCodes.constants.each do |status_name|
27    it 'there is a subclass of BadStatus corresponding to StatusCode: ' \
28      "#{status_name} that has code: #{StatusCodes.const_get(status_name)}" do
29      camel_case = upper_snake_to_camel(status_name)
30      error_class = GRPC.const_get(camel_case)
31      # expect the error class to be a subclass of BadStatus
32      expect(error_class < GRPC::BadStatus)
33
34      error_object = error_class.new
35      # check that the code matches the int value of the error's constant
36      status_code = StatusCodes.const_get(status_name)
37      expect(error_object.code).to eq(status_code)
38
39      # check default parameters
40      expect(error_object.details).to eq('unknown cause')
41      expect(error_object.metadata).to eq({})
42
43      # check that the BadStatus factory for creates the correct
44      # exception too
45      from_factory = GRPC::BadStatus.new_status_exception(status_code)
46      expect(from_factory.is_a?(error_class)).to be(true)
47    end
48  end
49end
50