require 'spec_helper'

describe RequestLogAnalyzer::Tracker::Duration do

  describe '#report' do

    before(:each) do
      @tracker = RequestLogAnalyzer::Tracker::Duration.new(category: :category, value: :duration)
      @tracker.prepare
    end

    it 'should generate a report without errors when one category is present' do
      @tracker.update(request(category: 'a', duration: 0.2))
      lambda { @tracker.report(mock_output) }.should_not raise_error
    end

    it 'should generate a report without errors when no category is present' do
      lambda { @tracker.report(mock_output) }.should_not raise_error
    end

    it 'should generate a report without errors when multiple categories are present' do
      @tracker.update(request(category: 'a', duration: 0.2))
      @tracker.update(request(category: 'b', duration: 0.2))
      lambda { @tracker.report(mock_output) }.should_not raise_error
    end

    it 'should generate a report with arrays of durations are present' do
      @tracker.update(request(category: 'a', duration: [0.1, 0.2]))
      @tracker.update(request(category: 'a', duration: [0.2, 0.3]))
      lambda { @tracker.report(mock_output) }.should_not raise_error
      @tracker.to_yaml_object['a'].should include(min: 0.1, hits: 4, max: 0.3, mean: 0.2, sum: 0.8)
    end

    it 'should generate a YAML output' do
      @tracker.update(request(category: 'a', duration: 0.2))
      @tracker.update(request(category: 'b', duration: 0.2))
      @tracker.to_yaml_object.keys.should =~ %w(a b)
      @tracker.to_yaml_object['a'].should include(min: 0.2, hits: 1, max: 0.2, mean: 0.2, sum: 0.2, sum_of_squares: 0.0)
      @tracker.to_yaml_object['b'].should include(min: 0.2, hits: 1, max: 0.2, mean: 0.2, sum: 0.2, sum_of_squares: 0.0)
    end
  end

  describe '#display_value' do
    before(:each) { @tracker = RequestLogAnalyzer::Tracker::Duration.new(category: :category, value: :duration) }

    it 'should only display seconds when time < 60' do
      @tracker.display_value(33.12).should == '33.12s'
    end

    it 'should display minutes and wholeseconds when time > 60' do
      @tracker.display_value(63.12).should == '1m03s'
    end

    it 'should display minutes and wholeseconds when time > 60' do
      @tracker.display_value(3601.12).should == '1h00m01s'
    end
  end
end