ci: more thorough user journey, integrated with rails main

Author: flavorjones

.github/workflows/ci.yml

@@ -40,11 +40,9 @@ jobs:
     runs-on: ${{matrix.plat}}-latest
     steps:
       - uses: actions/checkout@v3
-      - run: rm Gemfile.lock
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.1"
-          bundler-cache: true
+          ruby-version: "3.2"
           bundler: latest
       - run: test/integration/user_journey_test.sh
         shell: bash

.github/workflows/upstream.yml

@@ -14,8 +14,20 @@ on:
       - .github/workflows/upstream.yml # this file
 
 jobs:
-  rails:
-    name: empty job
-    runs-on: ubuntu-latest
+  user-journey:
+    name: "user-journey (rails main)"
+    strategy:
+      fail-fast: false
+      matrix:
+        plat: ["ubuntu", "windows", "macos"]
+    runs-on: ${{matrix.plat}}-latest
+    env:
+      RAILSOPTS: --git=https://github.com/rails/rails --branch main
     steps:
-      - run: echo hello world
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.2"
+          bundler: latest
+      - run: test/integration/user_journey_test.sh
+        shell: bash

test/integration/user_journey_test.sh

@@ -5,29 +5,45 @@
 set -o pipefail
 set -eux
 
+# set up dependencies
+rm -f Gemfile.lock
+bundle remove actionmailer
+bundle add rails --skip-install ${RAILSOPTS:-}
+bundle install
+
 # fetch the upstream executables
 bundle exec rake download
 
-# create a rails app in a directory with spaces in the name (#176, #184)
-rm -rf "Has A Space"
-mkdir "Has A Space"
-pushd "Has A Space"
+# do our work a directory with spaces in the name (#176, #184)
+rm -rf "My Workspace"
+mkdir "My Workspace"
+pushd "My Workspace"
 
-gem install rails
-rails new test-app --skip-bundle
+# create a rails app
+bundle exec rails -v
+bundle exec rails new test-app --skip-bundle
 pushd test-app
 
-# install tailwindcss-rails
+# make sure to use the same version of rails (e.g., install from git source if necessary)
+bundle remove rails
+bundle add rails --skip-install ${RAILSOPTS:-}
+
+# use the tailwindcss-rails under test
 bundle add tailwindcss-rails --path="../.."
 bundle install
+bundle show --paths
 
+# install tailwindcss
 bin/rails tailwindcss:install
 
+# TEST: tailwind was installed correctly
+grep tailwind app/views/layouts/application.html.erb
+
+# TEST: rake tasks don't exec (#188)
 cat <<EOF >> Rakefile
 task :still_here do
   puts "Rake process did not exit early"
 end
 EOF
 
-# ensure rake tasks don't exec (#188)
 bin/rails tailwindcss:build still_here | grep "Rake process did not exit early"