require "test_helper"

class TestActiveMedian < Minitest::Test

  def setup
    ActiveMedian.create_function
    User.delete_all
  end

  def test_even
    6.times {|n| User.create!(visits_count: n) }
    assert_equal 2.5, User.median(:visits_count)
  end

  def test_odd
    5.times {|n| User.create!(visits_count: n) }
    assert_equal 2, User.median(:visits_count)
  end

  def test_empty
    assert_nil User.median(:visits_count)
  end

  def test_decimal
    6.times {|n| User.create!(latitude: n * 0.1) }
    assert_equal 0.25, User.median(:latitude)
  end

  def test_float
    6.times {|n| User.create!(rating: n * 0.1) }
    assert_equal 0.25, User.median(:rating)
  end

end