require 'spec_helper'

describe RequestLogAnalyzer::FileFormat::DelayedJob2 do

  subject { RequestLogAnalyzer::FileFormat.load(:delayed_job2) }

  it { should be_well_formed }
  it { should have_line_definition(:job_lock).capturing(:timestamp, :job, :host, :pid) }
  it { should have_line_definition(:job_completed).capturing(:timestamp, :duration, :host, :pid) }
  it { should satisfy { |ff| ff.report_trackers.length == 4 } }

  describe '#parse_line' do

    let(:job_lock_sample1)     { '2010-05-17T17:37:34+0000: * [Worker(delayed_job host:hostname.co.uk pid:11888)] acquired lock on S3FileJob' }
    let(:job_lock_sample2)     { '2010-05-17T17:37:34+0000: * [Worker(delayed_job.0 host:hostname.co.uk pid:11888)] acquired lock on S3FileJob' }
    let(:job_completed_sample) { '2010-05-17T17:37:35+0000: * [JOB] delayed_job host:hostname.co.uk pid:11888 completed after 1.0676' }
    let(:starting_sample)      { '2010-05-17T17:36:44+0000: *** Starting job worker delayed_job host:hostname.co.uk pid:11888' }
    let(:summary_sample)       { '3 jobs processed at 0.3163 j/s, 0 failed ...' }

    it do
      should parse_line(job_lock_sample1, 'with a single worker').as(:job_lock).and_capture(
                    timestamp: 20_100_517_173_734, job: 'S3FileJob', host: 'hostname.co.uk', pid: 11_888)
    end

    it do
      should parse_line(job_lock_sample2, 'with multiple workers').as(:job_lock).and_capture(
                    timestamp: 20_100_517_173_734, job: 'S3FileJob', host: 'hostname.co.uk', pid: 11_888)
    end

    it do
      should parse_line(job_completed_sample).as(:job_completed).and_capture(timestamp: 20_100_517_173_735,
                    duration: 1.0676, host: 'hostname.co.uk', pid: 11_888)
    end

    it { should_not parse_line(starting_sample, 'a starting line') }
    it { should_not parse_line(summary_sample, 'a summary line') }
    it { should_not parse_line('nonsense', 'a nonsense line') }
  end

  describe '#parse_io' do
    let(:log_parser) { RequestLogAnalyzer::Source::LogParser.new(subject) }

    it 'should parse a batch of completed jobs without warnings' do
      fragment = <<-EOLOG
        2010-05-17T17:36:44+0000: *** Starting job worker delayed_job host:hostname.co.uk pid:11888
        2010-05-17T17:37:34+0000: * [Worker(delayed_job host:hostname.co.uk pid:11888)] acquired lock on S3FileJob
        2010-05-17T17:37:35+0000: * [JOB] delayed_job host:hostname.co.uk pid:11888 completed after 1.0676
        2010-05-17T17:37:35+0000: * [Worker(delayed_job host:hostname.co.uk pid:11888)] acquired lock on S3FileJob
        2010-05-17T17:37:37+0000: * [JOB] delayed_job host:hostname.co.uk pid:11888 completed after 1.4407
        2010-05-17T17:37:37+0000: * [Worker(delayed_job host:hostname.co.uk pid:11888)] acquired lock on S3FileJob
        2010-05-17T17:37:44+0000: * [JOB] delayed_job host:hostname.co.uk pid:11888 completed after 6.9374
        2010-05-17T17:37:44+0000: 3 jobs processed at 0.3163 j/s, 0 failed ...
        2010-05-19T11:47:26+0000: Exiting...
      EOLOG

      log_parser.should_receive(:handle_request).exactly(3).times
      log_parser.should_not_receive(:warn)
      log_parser.parse_string(fragment)
    end
  end
end