From a67580c777d0f026d6e8f7ee79b56a1d194ff051 Mon Sep 17 00:00:00 2001
From: rask24 <rask0x18@gmail.com>
Date: Tue, 20 Feb 2024 14:35:25 +0900
Subject: [PATCH] fix performance test

---
 Gemfile                 |  1 +
 Gemfile.lock            |  2 ++
 test/e2e/performance.rb | 11 +++++------
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/Gemfile b/Gemfile
index 20116d7..335e5d3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,3 +5,4 @@ source "https://rubygems.org"
 gem "rspec"
 gem "open3"
 gem "rubocop-shopify", require: false
+gem "descriptive_statistics"
diff --git a/Gemfile.lock b/Gemfile.lock
index a83eca6..78753fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,6 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
+    descriptive_statistics (2.5.1)
     diff-lcs (1.5.1)
     json (2.7.1)
     language_server-protocol (3.17.0.3)
@@ -50,6 +51,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  descriptive_statistics
   open3
   rspec
   rubocop-shopify
diff --git a/test/e2e/performance.rb b/test/e2e/performance.rb
index 9fcf7f3..e7d70d9 100644
--- a/test/e2e/performance.rb
+++ b/test/e2e/performance.rb
@@ -1,11 +1,14 @@
 # frozen_string_literal: true
 
 require_relative "helper/command_helper"
+require "descriptive_statistics"
 
 size = 500
+iters = 50
+
 results = []
 
-100.times do
+iters.times do
   input = (0...size).to_a.shuffle.map(&:to_s)
   stdout, _stderr, _status = execute_push_swap(*input)
   results << stdout.split("\n").count
@@ -13,8 +16,4 @@
   print "\e[32m.\e[0m"
 end
 
-max_operations = results.max
-min_operations = results.min
-average_operations = results.sum / results.size.to_f
-
-puts "\nFor size #{size}: Max: #{max_operations}, Min: #{min_operations}, Average: #{average_operations}"
+puts "\nFor size #{size}: Max: #{results.max}, Min: #{results.min}, Average: #{results.mean}, SD: #{results.standard_deviation.round(2)}" # rubocop:disable Layout/LineLength