require File.dirname(__FILE__) + '/../test_helper'

class BioanalyzerRunTest < Test::Unit::TestCase
  fixtures :lab_groups

  def set_bioanalyzer_pickup_directory
    # point site settings at test set of bioanalyzer files
    site_config = SiteConfig.find(1)
    site_config.bioanalyzer_pickup = "#{RAILS_ROOT}/test/fixtures/bioanalyzer_files"
    site_config.save
    
    # trash the Bioanalyzer data that's already loaded
    BioanalyzerRun.find(:all).each do |r|
      r.destroy
    end
  end

  def test_import_new
    set_bioanalyzer_pickup_directory
    
    num_bioanalyzer_runs = BioanalyzerRun.count
    num_quality_traces = QualityTrace.count
    
    BioanalyzerRun.import_new

    assert_equal num_bioanalyzer_runs + 2, BioanalyzerRun.count
    # 12 samples + ladder from one chip, and 2 samples + ladder
    # for the 2nd chip
    assert_equal num_quality_traces + 18, QualityTrace.count

    # verify that Control_1 total RNA sample, which was encountered twice,
    # is named appropriately (Control_1 and Control_1_r1)
    duplicate_traces = QualityTrace.find(:all, :conditions => ["name LIKE ? AND sample_type = 'total'", "Control_1%"])
    assert_equal 2, duplicate_traces.size
    found_name_1 = false
    found_name_2 = false
    for trace in duplicate_traces
      if(trace.name == "Control_1")
        found_name_1 = true
      end
      if(trace.name == "Control_1_r1")
        found_name_2 = true
      end
    end
    assert found_name_1 && found_name_2
  end
  
  # ensure that import calls subsequent to the initial one that
  # find the data don't reimport duplicate runs/traces
  def test_import_new_twice
    set_bioanalyzer_pickup_directory
    
    num_bioanalyzer_runs = BioanalyzerRun.count
    num_quality_traces = QualityTrace.count
    
    BioanalyzerRun.import_new

    assert_equal num_bioanalyzer_runs + 2, BioanalyzerRun.count
    assert_equal num_quality_traces + 18, QualityTrace.count

    BioanalyzerRun.import_new

    assert_equal num_bioanalyzer_runs + 2, BioanalyzerRun.count
    assert_equal num_quality_traces + 18, QualityTrace.count
  end
end