Test installer commands (retry) (#197)

* Add testing infrastructure

This adds testing infrastructure to test against multiple versions of
Rails, including Rails `main` branch.

* Test shared behavior of installer commands

This adds test coverage for the shared behavior of the installer
commands.  The commands are tested against a freshly generated Rails app
using the version of Rails that is currently loaded.  Thus the
installers can be tested with different versions of Rails in CI.

* Test specific behavior of javascript:install:bun

This adds test coverage for specific behavior of the
`javascript:install:bun` command.

* Test specific behavior of javascript:install:esbuild

This adds test coverage for specific behavior of the
`javascript:install:esbuild` command.

* Test specific behavior of javascript:install:rollup

This adds test coverage for specific behavior of the
`javascript:install:rollup` command.

* Test specific behavior of javascript:install:webpack

This adds test coverage for specific behavior of the
`javascript:install:webpack` command.

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version:
+          - "3.1"
+          - "3.2"
+          - "3.3"
+        gemfile:
+          - gemfiles/rails_6_1.gemfile
+          - gemfiles/rails_7_0.gemfile
+          - gemfiles/rails_7_1.gemfile
+          - gemfiles/rails_main.gemfile
+        continue-on-error: [ false ]
+
+    name: ${{ format('Tests (Ruby {0}, {1})', matrix.ruby-version, matrix.gemfile) }}
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.continue-on-error }}
+
+    env:
+      BUNDLE_GEMFILE: ${{ matrix.gemfile }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Remove Gemfile lock
+        run: |
+          rm -f $BUNDLE_GEMFILE.lock
+
+      - name: Install Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+
+      - name: Run tests
+        run: |
+          bundle exec rake

.gitignore

@@ -1,2 +1,6 @@
+/tmp/
 .byebug_history
 *.gem
+
+# Ignore Gemfile.lock files for Rails main branch.
+/gemfiles/rails_main*.gemfile.lock

Appraisals

@@ -0,0 +1,18 @@
+appraise "rails_6_1" do
+  gem "rails", "~> 6.1.0"
+end
+
+appraise "rails_7_0" do
+  gem "rails", "~> 7.0.0"
+  gem "propshaft"
+end
+
+appraise "rails_7_1" do
+  gem "rails", "~> 7.1.0"
+  gem "propshaft"
+end
+
+appraise "rails_main" do
+  gem "rails", github: "rails/rails", branch: "main"
+  gem "propshaft"
+end

Gemfile

@@ -4,9 +4,9 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 # Specify your gem's dependencies in importmap-rails.gemspec.
 gemspec
 
-rails_version = ENV["RAILS_VERSION"] || "6.1.0"
-gem "rails", "~> #{rails_version}"
-
+gem "appraisal"
+gem "rails", "~> 6.1.0"
+gem "sprockets-rails"
 gem "sqlite3"
 
 group :test do

Gemfile.lock

@@ -68,6 +68,10 @@ GEM
       zeitwerk (~> 2.3)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
+    appraisal (2.5.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
     builder (3.3.0)
     byebug (11.1.3)
     capybara (3.40.0)
@@ -112,14 +116,18 @@ GEM
     nio4r (2.7.3)
     nokogiri (1.16.7-aarch64-linux)
       racc (~> 1.4)
+    nokogiri (1.16.7-arm-linux)
+      racc (~> 1.4)
     nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
+    nokogiri (1.16.7-x86-linux)
+      racc (~> 1.4)
     nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
     nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     public_suffix (6.0.1)
-    racc (1.8.0)
+    racc (1.8.1)
     rack (2.2.9)
     rack-test (2.1.0)
       rack (>= 1.3)
@@ -167,10 +175,16 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
-    sqlite3 (2.0.2-aarch64-linux-gnu)
-    sqlite3 (2.0.2-arm64-darwin)
-    sqlite3 (2.0.2-x86_64-darwin)
-    sqlite3 (2.0.2-x86_64-linux-gnu)
+    sqlite3 (2.0.3-aarch64-linux-gnu)
+    sqlite3 (2.0.3-aarch64-linux-musl)
+    sqlite3 (2.0.3-arm-linux-gnu)
+    sqlite3 (2.0.3-arm-linux-musl)
+    sqlite3 (2.0.3-arm64-darwin)
+    sqlite3 (2.0.3-x86-linux-gnu)
+    sqlite3 (2.0.3-x86-linux-musl)
+    sqlite3 (2.0.3-x86_64-darwin)
+    sqlite3 (2.0.3-x86_64-linux-gnu)
+    sqlite3 (2.0.3-x86_64-linux-musl)
     stimulus-rails (1.3.3)
       railties (>= 6.0.0)
     strscan (3.1.0)
@@ -192,28 +206,36 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.16)
+    zeitwerk (2.6.17)
 
 PLATFORMS
   aarch64-linux
-  arm64-darwin-20
-  arm64-darwin-21
-  arm64-darwin-22
-  x86_64-darwin-20
-  x86_64-darwin-21
-  x86_64-linux
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  x86-linux
+  x86-linux-gnu
+  x86-linux-musl
+  x86_64-darwin
+  x86_64-linux-gnu
+  x86_64-linux-musl
 
 DEPENDENCIES
+  appraisal
   byebug
   capybara
   jsbundling-rails!
   rails (~> 6.1.0)
   rexml
   selenium-webdriver
+  sprockets-rails
   sqlite3
   stimulus-rails
   turbo-rails
   webdrivers
 
 BUNDLED WITH
-   2.3.8
+   2.5.16

Rakefile

@@ -0,0 +1,10 @@
+require "bundler/setup"
+require "bundler/gem_tasks"
+require "rake/testtask"
+
+Rake::TestTask.new(:test) do |t|
+  t.libs << "test"
+  t.pattern = "test/**/*_test.rb"
+end
+
+task default: :test

gemfiles/rails_6_1.gemfile

@@ -0,0 +1,20 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "rails", "~> 6.1.0"
+gem "sprockets-rails"
+gem "sqlite3"
+
+group :test do
+  gem "turbo-rails"
+  gem "stimulus-rails"
+  gem "byebug"
+  gem "rexml"
+  gem "capybara"
+  gem "selenium-webdriver"
+  gem "webdrivers"
+end
+
+gemspec path: "../"