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spec_dir = File.expand_path(File.join(File.dirname(__FILE__)))
$LOAD_PATH.unshift(spec_dir)
$LOAD_PATH.uniq!

require 'apply_auth_examples'
require 'googleauth/signet'
require 'jwt'
require 'openssl'
require 'spec_helper'

describe Signet::OAuth2::Client do
  before(:example) do
    @key = OpenSSL::PKey::RSA.new(2048)
    @client = Signet::OAuth2::Client.new(
        token_credential_uri: 'https://accounts.google.com/o/oauth2/token',
        scope: 'https://www.googleapis.com/auth/userinfo.profile',
        issuer: 'app@example.com',
        audience: 'https://accounts.google.com/o/oauth2/token',
        signing_key: @key
      )
  end

  def make_auth_stubs(opts)
    access_token = opts[:access_token] || ''
    Faraday::Adapter::Test::Stubs.new do |stub|
      stub.post('/o/oauth2/token') do |env|
        params = Addressable::URI.form_unencode(env[:body])
        _claim, _header = JWT.decode(params.assoc('assertion').last,
                                     @key.public_key)
        want = ['grant_type', 'urn:ietf:params:oauth:grant-type:jwt-bearer']
        expect(params.assoc('grant_type')).to eq(want)
        build_access_token_json(access_token)
      end
    end
  end

  it_behaves_like 'apply/apply! are OK'
end