get tests working again maybe

.devcontainer/devcontainer.json

@@ -0,0 +1,22 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/ruby
+{
+	"name": "Ruby",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/ruby:1-3.3-bullseye"
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "ruby --version",
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.github/workflows/ci.yml

@@ -15,6 +15,8 @@ jobs:
           - '2.7.2'
           - '3.0.0'
           - '3.1.2'
+          - '3.2'
+          - '3.3'
           - 'head'
         gemfile:
           - gemfiles/rails_5_1.gemfile

Gemfile

@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gemspec
 
 group :development, :test do
-  gem "sqlite3", :platform => [:ruby, :mswin, :mingw]
+  gem "sqlite3", '~> 1.4', :platform => [:ruby, :mswin, :mingw]
   gem "activerecord-jdbcsqlite3-adapter", '~> 1.3.13', :platform => :jruby
   gem "test-unit", "~> 3.0"
 end

derailed_benchmarks.gemspec

@@ -29,15 +29,25 @@ Gem::Specification.new do |gem|
   gem.add_dependency "rack",            ">= 1"
   gem.add_dependency "rake",            "> 10", "< 14"
   gem.add_dependency "thor",            ">= 0.19", "< 2"
-  gem.add_dependency "ruby-statistics", ">= 2.1"
+  if RUBY_VERSION >= '3.0'
+    gem.add_dependency "ruby-statistics", ">= 4.0"
+  else
+    gem.add_dependency "ruby-statistics", ">= 2.1"
+  end
   gem.add_dependency "mini_histogram",  ">= 0.3.0"
   gem.add_dependency "dead_end",        ">= 0"
   gem.add_dependency "rack-test",       ">= 0"
+  gem.add_dependency "base64",          ">= 0"
+  gem.add_dependency "mutex_m",         ">= 0"
+  gem.add_dependency "bigdecimal",      ">= 0"
+  gem.add_dependency "drb",             ">= 0"
+  gem.add_dependency "logger",          ">= 0"
+  gem.add_dependency "ostruct",         ">= 0"
 
   gem.add_development_dependency "appraisal"
   gem.add_development_dependency "webrick",  ">= 0"
   gem.add_development_dependency "capybara",  "~> 2"
   gem.add_development_dependency "m"
-  gem.add_development_dependency "rails",     "> 3", "<= 7"
+  gem.add_development_dependency "rails",     "> 3", "< 7.1"
   gem.add_development_dependency "devise",    "> 3", "< 6"
 end

gemfiles/rails_6_0.gemfile

@@ -5,9 +5,10 @@ source "https://rubygems.org"
 gem "rails", "~> 6.0.0"
 
 group :development, :test do
-  gem "sqlite3", platform: [:ruby, :mswin, :mingw]
+  gem "sqlite3", '~> 1.4', platform: [:ruby, :mswin, :mingw]
   gem "activerecord-jdbcsqlite3-adapter", "~> 1.3.13", platform: :jruby
   gem "test-unit", "~> 3.0"
+  gem "psych", "~> 3.0"
 end
 
 gemspec path: "../"

gemfiles/rails_6_1.gemfile

@@ -8,7 +8,7 @@ gem "net-imap", require: false
 gem "net-pop", require: false
 
 group :development, :test do
-  gem "sqlite3", platform: [:ruby, :mswin, :mingw]
+  gem "sqlite3", '~> 1.4', platform: [:ruby, :mswin, :mingw]
   gem "activerecord-jdbcsqlite3-adapter", "~> 1.3.13", platform: :jruby
   gem "test-unit", "~> 3.0"
 end

gemfiles/rails_7_0.gemfile

@@ -2,10 +2,10 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 7.0"
+gem "rails", "~> 7.0.0"
 
 group :development, :test do
-  gem "sqlite3", platform: [:ruby, :mswin, :mingw]
+  gem "sqlite3", '~> 1.4', platform: [:ruby, :mswin, :mingw]
   gem "activerecord-jdbcsqlite3-adapter", "~> 1.3.13", platform: :jruby
   gem "test-unit", "~> 3.0"
 end

lib/derailed_benchmarks/stats_from_dir.rb

@@ -1,7 +1,12 @@
 # frozen_string_literal: true
 
 require 'bigdecimal'
-require 'statistics'
+# keep this in sync with gemspec
+if RUBY_VERSION >= '3.0'
+  require 'ruby-statistics'
+else
+  require 'statistics'
+end
 require 'stringio'
 require 'mini_histogram'
 require 'mini_histogram/plot'

test/integration/tasks_test.rb

@@ -120,18 +120,18 @@ def rake(cmd, options = {})
     env = {
       "PATH_TO_HIT" => 'foo_secret',
       "TEST_COUNT" => "2",
-      "HTTP_AUTHORIZATION" => "Basic #{Base64.encode64("admin:secret")}",
+      "HTTP_AUTHORIZATION" => "Basic #{Base64.strict_encode64("admin:secret")}",
       "HTTP_CACHE_CONTROL" => "no-cache"
     }
     result = rake "perf:test", env: env
     assert_match 'Endpoint: "foo_secret"', result
-    assert_match /"Authorization"=>"Basic YWRtaW46c2VjcmV0\\n"/ , result
-    assert_match /"Cache-Control"=>"no-cache"/ , result
+    assert_match (/"Authorization"=>"Basic YWRtaW46c2VjcmV0"/), result
+    assert_match (/"Cache-Control"=>"no-cache"/), result
 
     env["USE_SERVER"] = "webrick"
     result = rake "perf:test", env: env
-    assert_match /"Authorization"=>"Basic YWRtaW46c2VjcmV0\\n"/ , result
-    assert_match /"Cache-Control"=>"no-cache"/ , result
+    assert_match (/"Authorization"=>"Basic YWRtaW46c2VjcmV0"/), result
+    assert_match (/"Cache-Control"=>"no-cache"/), result
   end
 
   test 'USE_SERVER' do