require 'spec_helper'

describe RequestLogAnalyzer::Tracker::Timespan do

  before(:each) do
    @tracker = RequestLogAnalyzer::Tracker::Timespan.new
    @tracker.prepare
  end

  it 'should set the first request timestamp correctly' do
    @tracker.update(request(timestamp: 20_090_102_000_000))
    @tracker.update(request(timestamp: 20_090_101_000_000))
    @tracker.update(request(timestamp: 20_090_103_000_000))

    @tracker.first_timestamp.should == DateTime.parse('Januari 1, 2009 00:00:00')
  end

  it 'should set the last request timestamp correctly' do
    @tracker.update(request(timestamp: 20_090_102_000_000))
    @tracker.update(request(timestamp: 20_090_101_000_000))
    @tracker.update(request(timestamp: 20_090_103_000_000))

    @tracker.last_timestamp.should == DateTime.parse('Januari 3, 2009 00:00:00')
  end

  it 'should return the correct timespan in days when multiple requests are given' do
    @tracker.update(request(timestamp: 20_090_102_000_000))
    @tracker.update(request(timestamp: 20_090_101_000_000))
    @tracker.update(request(timestamp: 20_090_103_000_000))

    @tracker.timespan.should == 2
  end

  it 'should return a timespan of 0 days when only one timestamp is set' do
    @tracker.update(request(timestamp: 20_090_103_000_000))
    @tracker.timespan.should == 0
  end

  it 'should raise an error when no timestamp is set' do
    lambda { @tracker.timespan }.should raise_error
  end
end

describe RequestLogAnalyzer::Tracker::Timespan, 'reporting' do

  before(:each) do
    @tracker = RequestLogAnalyzer::Tracker::Timespan.new
    @tracker.prepare
  end

  it 'should have a title' do
    @tracker.title.should_not eql('')
  end

  it 'should generate a report without errors when no request was tracked' do
    lambda { @tracker.report(mock_output) }.should_not raise_error
  end

  it 'should generate a report without errors when multiple requests were tracked' do
    @tracker.update(request(category: 'a', timestamp: 20_090_102_000_000))
    @tracker.update(request(category: 'a', timestamp: 20_090_101_000_000))
    @tracker.update(request(category: 'a', timestamp: 20_090_103_000_000))
    lambda { @tracker.report(mock_output) }.should_not raise_error
  end

  it 'should generate a YAML output' do
    @tracker.update(request(category: 'a', timestamp: 20_090_102_000_000))
    @tracker.update(request(category: 'a', timestamp: 20_090_101_000_000))
    @tracker.update(request(category: 'a', timestamp: 20_090_103_000_000))
    @tracker.to_yaml_object.should == { first: DateTime.parse('20090101000000'), last: DateTime.parse('20090103000000') }
  end

end