testable.rb

require 'bundler/inline'

gemfile(true) do
  source 'https://rubygems.org'

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  gem 'graphql'
  gem 'minitest'
end

require 'minitest/autorun'

class SchemaTest < GraphQL::Schema

  class Testable < GraphQL::Schema::Object
    field :tested, Boolean
  end

  class Query < GraphQL::Schema::Object
    field :testable, Testable , null: true

    def testable
        { tested: true }
      
    end
  end

  query(Query)
end

class TestMeme < Minitest::Test 
  def setup
    @query = <<-GQL
      {
        testable {
          name
        }
      }
    GQL
  end

  def test_that_kitty_can_eat
    assert_equal SchemaTest.execute(@query).to_h.dig('data','testable'), {"tested"=>true}
  end
end