71 lines
1.8 KiB
Elixir
71 lines
1.8 KiB
Elixir
defmodule Glicko.PlayerTest do
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use ExUnit.Case
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alias Glicko.Player
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doctest Player
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@valid_v1_base %Player{version: :v1, rating: 1.0, rating_deviation: 2.0, volatility: nil}
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@valid_v2_base %Player{version: :v2, rating: 1.0, rating_deviation: 2.0, volatility: 3.0}
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test "create v1" do
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assert @valid_v1_base == Player.new_v1([rating: 1.0, rating_deviation: 2.0])
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end
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test "create v2" do
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assert @valid_v2_base == Player.new_v2([rating: 1.0, rating_deviation: 2.0, volatility: 3.0])
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end
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test "convert player v1 -> v2" do
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assert %Player{
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version: :v2,
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rating: Player.scale_rating_to(1.0, :v2),
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rating_deviation: Player.scale_rating_deviation_to(2.0, :v2),
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volatility: 3.0,
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} == Player.to_v2(@valid_v1_base, 3.0)
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end
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test "convert player v2 -> v1" do
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assert %Player{
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version: :v1,
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rating: Player.scale_rating_to(1.0, :v1),
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rating_deviation: Player.scale_rating_deviation_to(2.0, :v1),
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volatility: nil,
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} == Player.to_v1(@valid_v2_base)
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end
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test "convert player v1 -> v1" do
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assert @valid_v1_base == Player.to_v1(@valid_v1_base)
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end
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test "convert player v2 -> v2" do
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assert @valid_v2_base == Player.to_v2(@valid_v2_base)
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end
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test "scale rating v1 -> v2" do
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assert_in_delta Player.scale_rating_to(1673.7178, :v2), 1.0, 0.1
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end
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test "scale rating v2 -> v1" do
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assert_in_delta Player.scale_rating_to(1.0, :v1), 1673.7178, 0.1
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end
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test "scale rating deviation v1 -> v2" do
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assert_in_delta Player.scale_rating_deviation_to(173.7178, :v2), 1.0, 0.1
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end
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test "scale rating deviation v2 -> v1" do
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assert_in_delta Player.scale_rating_deviation_to(1.0, :v1), 173.7178, 0.1
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end
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test "rating interval" do
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assert {rating_low, rating_high} =
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[rating: 1850, rating_deviation: 50]
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|> Player.new_v2
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|> Player.rating_interval
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assert_in_delta rating_low, 1750, 0.1
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assert_in_delta rating_high, 1950, 0.1
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end
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end
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