Remove Appraisal dependency

.github/workflows/ruby-ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        appraisal:
+        gemfile:
           - minitest4
           - minitest5
           - test_unit_gem
@@ -23,7 +23,7 @@ jobs:
           - ruby-3.0
           - truffleruby
     env:
-      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.appraisal }}.gemfile
+      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
       - name: Checkout
         uses: actions/checkout@v2

README.md

@@ -138,15 +138,6 @@ SUPPORT
 CONTRIBUTING
 ============
 
-## Setup
-
-This project uses [Appraisal](https://github.com/thoughtbot/appraisal) to test against different versions of dependencies.
-
-To install all scenarios (appraisals):
-
-    bundle install
-    bundle exec appraisal install
-
 ## Testing
 
 You can run all the tests with:
@@ -155,11 +146,11 @@ You can run all the tests with:
 
 You can also run tests selectively. For minitest 4 run:
 
-    appraisal minitest4 rake test
+    bundle exec rake test:minitest4
 
 and the ones for minitest 5 with:
 
-    appraisal minitest5 rake test
+    bundle exec rake test:minitest5
 
 
 LICENSE

Rakefile

@@ -1,7 +1,6 @@
 #!/usr/bin/env rake
 require "rubygems"
 require "bundler/setup"
-require "appraisal"
 require "coveralls"
 require "bundler/gem_tasks"
 require "rake/clean"
@@ -16,12 +15,28 @@ Rake::TestTask.new do |t|
   t.pattern = "test/*_test.rb"
 end
 
+desc "Run all tests and get merged test coverage"
+namespace :test do
+  Dir.glob("gemfiles/*.gemfile").each do |gemfile_path|
+    name = /gemfiles\/(.*).gemfile/.match(gemfile_path)[1]
+    desc "Run #{name} tests"
+    task name do |rake_task|
+      gemfile_name = rake_task.name.split(":").last
+      gemfile_path = "gemfiles/#{gemfile_name}.gemfile"
+      Bundler.with_original_env do
+        sh "BUNDLE_GEMFILE=#{gemfile_path} bundle exec rake"
+      end
+    end
+  end
+end
+
 desc "Run all tests and get merged test coverage"
 task :tests do
-  system "rake test" or exit! 1
-  system "appraisal minitest4 rake test" or exit! 1
-  system "appraisal minitest5 rake test TEST=test/minitest_5_test.rb" or exit! 1
-  system "appraisal test_unit_gem rake test TEST=test/test_unit_test.rb" or exit! 1
+  Dir.glob("gemfiles/*.gemfile").each do |gemfile_path|
+    Bundler.with_original_env do
+      sh "BUNDLE_GEMFILE=#{gemfile_path} bundle exec rake"
+    end
+  end
   Coveralls.push!
 end
 

gemfiles/minitest4.gemfile

@@ -1,5 +1,3 @@
-# This file was generated by Appraisal
-
 source "https://rubygems.org"
 
 gem "allocation_stats"

gemfiles/minitest5.gemfile

@@ -1,5 +1,3 @@
-# This file was generated by Appraisal
-
 source "https://rubygems.org"
 
 gem "allocation_stats"

gemfiles/test_unit_gem.gemfile

@@ -1,5 +1,3 @@
-# This file was generated by Appraisal
-
 source "https://rubygems.org"
 
 gem "allocation_stats"

test/bench.rb

@@ -1,35 +1,35 @@
 require "benchmark/ips"
 
 Benchmark.ips do |bench|
-  bench.report "running m on a file that doesn't exist" do
-    `ruby -Ilib ./bin/m failwhale 2>/dev/null`
+  bench.report("running m on a file that doesn't exist") do
+    `bundle exec ruby -Ilib ./bin/m failwhale 2>/dev/null`
   end
 
-  bench.report "running m on an empty file" do
-    `ruby -Ilib ./bin/m test/examples/empty_example_test.rb 2>/dev/null`
+  bench.report("running m on an empty file") do
+    `bundle exec ruby -Ilib ./bin/m test/examples/empty_example_test.rb 2>/dev/null`
   end
 
-  bench.report "running m on an entire file with minitest4" do
-    `appraisal minitest4 ruby -Ilib ./bin/m test/examples/minitest_4_example_test.rb 2>/dev/null`
+  bench.report("running m on an entire file with minitest4") do
+    `BUNDLE_GEMFILE=gemfiles/minitest4.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_4_example_test.rb 2>/dev/null`
   end
 
-  bench.report "running m on an entire file with minitest5" do
-    `appraisal minitest5 ruby -Ilib ./bin/m test/examples/minitest_5_example_test.rb 2>/dev/null`
+  bench.report("running m on an entire file with minitest5") do
+    `BUNDLE_GEMFILE=gemfiles/minitest5.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_5_example_test.rb 2>/dev/null`
   end
 
-  bench.report "running m on an entire file with test-unit gem" do
-    `appraisal test_unit_gem ruby -Ilib ./bin/m test/examples/test_unit_example_test.rb 2>/dev/null`
+  bench.report("running m on an entire file with test-unit gem") do
+    `BUNDLE_GEMFILE=gemfiles/test_unit_gem.gemfile bundle exec ruby -Ilib ./bin/m test/examples/test_unit_example_test.rb 2>/dev/null`
   end
 
-  bench.report "running m on a specific test with minitest4" do
-    `appraisal minitest4 ruby -Ilib ./bin/m test/examples/minitest_4_example_test.rb:19 2>/dev/null`
+  bench.report("running m on a specific test with minitest4") do
+    `BUNDLE_GEMFILE=gemfiles/minitest4.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_4_example_test.rb:19 2>/dev/null`
   end
 
-  bench.report "running m on a specific test with minitest5" do
-    `appraisal minitest5 ruby -Ilib ./bin/m test/examples/minitest_5_example_test.rb:19 2>/dev/null`
+  bench.report("running m on a specific test with minitest5") do
+    `BUNDLE_GEMFILE=gemfiles/minitest5.gemfile bundle exec ruby -Ilib ./bin/m test/examples/minitest_5_example_test.rb:19 2>/dev/null`
   end
 
-  bench.report "running m on a specific test with test-unit gem" do
-    `appraisal test_unit_gem ruby -Ilib ./bin/m test/examples/test_unit_example_test.rb:15 2>/dev/null`
+  bench.report("running m on a specific test with test-unit gem") do
+    `BUNDLE_GEMFILE=gemfiles/test_unit_gem.gemfile bundle exec ruby -Ilib ./bin/m test/examples/test_unit_example_test.rb:15 2>/dev/null`
   end
 end