rspec.gist

Rspec example:

describe Class, type: :service do
   let(a) { build(:a) }
   let!(b) { build_stubbed(:b) }
   let!(c) { create(:c) }
   
   before do
     VCR.turn_off!
     WebMock.enable!
     WebMock.allow_net_connect! --разрешить реальные запросы
     
     resource_iaas = double('resource_iaas')
     expect(Orchestrator::Resources::Iaas).to receive(:new).and_return(resource_iaas)
   
     stub_const('Constants::ZONE', 'TEST')
     stub_const('ENV', 'USER' => 'ADMIN')
     stub_const('ENV', ENV.to_h.merge('SKIP_CAS' => 'false'))
     
     stub_request(:get, url).with(query: query).to_return(status: 200, body: body.to_json)  --WebMock stub
     stub_request(:post, url).with(body: "abc", headers: { 'Content-Length' => 3 })
     
     allow(Rails.logger).to receive(:info)
     allow_any_instance_of(OrchestratorAdapter).to receive(:find_orders).and_return('data' => [orch_data])
     allow_any_instance_of(CloudStorageOrder).to receive(:delete_namespace).and_raise(StandardError, 'namespace is not empty')
     allow_any_instance_of(XvdcOrder).to receive_message_chain(:resource_iaas, :rpc_call).and_return({ user: 1 })
     
     allow(Redis).to receive(:new).and_return(MockRedis.new) --MockRedis stub
   end
   
   context 'context description', :focus do
     before do
        expect_any_instance_of(BaasNetBackupWithPlanOrder).to receive(:cidrs_for_nat).and_return('data' => [123])
     end
   
     it 'example description', :aggregate_failures do
        expect(Notifications).to receive_message_chain(:with, :alarm, :deliver_later)
     
        expect { described_class.method }.to_not raise_error
        expect { order_resources }.to raise_error(OrchestratorAdapter::ServerError, 'Internal Server Error')
        
        expect(described_class.method).to eq(0)
        
        expect(WebMock).to have_requested(:get, url).once
        
        expect(described_class.new(params)).to match(/success/)
        
        expect(File).to exist(File.join('/tmp',"network_report_#{Time.now.strftime('%Y%m%d_%H%M')}.csv"))
        
        --Пишем VCR кассету:
        VCR.use_cassette('cassetes') do
          expect(IaasController.new.connect_baas_network(params)).to eq(["connect_to_baas_network_complete", {}])
        end
        -- Испольузем кассету
        it 'successful connected', vcr: { cassette_name: 'folder/connect_network' } do
           expect(IaasController.new.connect_network(params)).to eq('network_connected')
        end   
     end
     
     expect { described_class.new.update_statistic }
       .to change { Orchestrator::Models::IpUsageStatistic.count }       
       .from(1).to(2)

     it 'correct logger messages' do
        expect(Rails.logger).to receive(:info).with("--- ERRORS ---").ordered.and_call_original
        expect(Rails.logger).to receive(:info).at_least(:once).with("ERROR: #{error_id}")
     end

     it 'pending, not emplementing yet'
   end
   
   after do
     puts 'after do'
   end
 end  
       
       
------------------------
rspec --init   # create config files and folders in project

rspec -e 'invalid'                # run tests where 'invalid' word in it/context example exist
rspec -e 'invalid' -f d           # previous command in extended documentation format
rspec -e 'invalid' -f d --dry-run # previous command but without running test, only text output

rspec --fail-fast   # stop after first crashed test

config.filter_run_when_matching :focus  -> spec_helper.rb
rspec --tag focus        # run it/context/describe specs which has :focus tag or fit/fcontext/fdescibe
rspec --tag type:model   # run only model specs
rspec --tag ~type:model  # run all specs except model specs

config.example_status_persistence_file_path = "tmp/rspec_log.txt" -> spec_helper.rb # log test specs
rspec                  # generate tmp/rspec_log.txt after config editing
rspec --only-failures  # run only failed test based on tmp/rspec_log.txt
rspec --next-failure   # run first failed test based on tmp/rspec_log.txt

rspec --bisect   # generate commands to run only failed specs separately

*** change format log *****************
gem 'fuubar'     -> gemfile (in test group)
--format Fuubar  -> .rspec

*** delete warning logs ***************
gem 'warning'     -> gemfile (in test group)

into rspec_helper.rb:
require 'warning'
Warning.ignore(/Active Record does not support composite primary key/)

*** GEMS ******************************

gem 'json_spec'
expect(response.body).to be_json_eq('test value').at_path('data/0/json_key')

gem 'email_spec'
config.include EmailSpec::Helpers -> rails_helper.rb
mailbox_for(email).size

************ VCR config *****************
VCR.configure do |config|
  config.cassette_library_dir = "fixtures/vcr"
  config.hook_into :webmock
  config.debug_logger = $stderr
  config.configure_rspec_metadata!
  config.default_cassette_options = { record: :once }

  config.before_record do |record|
    record.response.body.force_encoding('UTF-8')
  end
end