confusing_supresed_auth_error.rb

require 'bundler/inline'
gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', '~> 7.1.0'
  gem 'graphql', '~> 2.1'
  gem 'rspec', '~> 3.12'
end
require 'action_controller'

class AuthArgument < GraphQL::Schema::Argument
  def authorized?(_object, arg_value, _context) = arg_value != 'Unauthorized'
end
class HeloResolver < GraphQL::Schema::Resolver
  argument_class AuthArgument
  argument :name, String, required: true
  type String, null: false
  def resolve(name:) = "Hello #{name}!"
end
class QueryType < GraphQL::Schema::Object
  field :hello, resolver: HeloResolver
end
class GraphqlAppSchema < GraphQL::Schema
  query QueryType
  rescue_from(StandardError) { |e| raise GraphQL::ExecutionError, e.message }
end

class GraphqlController < ActionController::Base
  def execute = render(json: GraphqlAppSchema.execute(params[:query], variables: params[:variables]))
end
class GraphqlApp < Rails::Application
  config.load_defaults 7.1
  config.eager_load = true
  config.hosts << 'www.example.com'
  config.logger = Logger.new(STDERR)
  config.secret_key_base = 'x' * 30
  routes.append { root to: 'graphql#execute', via: :all }
end
GraphqlApp.initialize!

RSpec.describe GraphqlController, :aggregate_failures do
  include ActionDispatch::Integration::Runner
  def app = GraphqlApp
  it 'welcomes' do
    post '/', params: { query: 'query($name: String!) { hello(name: $name) }', variables: { name: 'GraphQL' } }
    expect(response).to be_successful
    expect(response.body).to eq('{"data":{"hello":"Hello GraphQL!"}}')
  end
  it 'is unauthorized' do
    post '/', params: { query: 'query($name: String!) { hello(name: $name) }', variables: { name: 'Unauthorized' } }
    expect(response).to be_successful
    expect(response.body).to eq('{"data":null,"errors":[{"message":"Unauthorized","locations":[{"line":1,"column":8}],"path":["hello"]}]}')
  end
end
RSpec::Core::Runner.autorun

output.txt

Fetching gem metadata from https://rubygems.org/...........
Resolving dependencies...
...
Using graphql 2.1.6
...
Using rails 7.1.1
I, [2023-11-10T17:11:39.972894 #2370]  INFO -- : Started POST "/" for 127.0.0.1 at 2023-11-10 17:11:39 +0100
.I, [2023-11-10T17:11:40.031957 #2370]  INFO -- : Started POST "/" for 127.0.0.1 at 2023-11-10 17:11:40 +0100
F

Failures:

  1) GraphqlController fails
     Failure/Error: expect(response.body).to eq('{"data":null,"errors":[{"message":"Unauthorized","locations":[{"line":1,"column":8}],"path":["hello"]}]}')
     
       expected: "{\"data\":null,\"errors\":[{\"message\":\"Unauthorized\",\"locations\":[{\"line\":1,\"column\":8}],\"path\":[\"hello\"]}]}"
            got: "{\"data\":null,\"errors\":[{\"message\":\"Cannot return null for non-nullable field Query.hello\"}]}"
     
       (compared using ==)
     # confusing_supresed_auth_error.rb:51:in `block (2 levels) in <main>'

Finished in 0.08227 seconds (files took 0.3399 seconds to load)
2 examples, 1 failure

Failed examples:

rspec confusing_supresed_auth_error.rb:48 # GraphqlController fails