Test the dummy gem on push:

- This is the only way to really make sure everything works and the
  CLI/GitHub actions works in coordination.

Author: Edouard-chin

.github/workflows/e2e-dummy-gem.yml

@@ -0,0 +1,68 @@
+name: "Run a end to end test on the dummy gem"
+on: push
+jobs:
+  compile:
+    timeout-minutes: 20
+    name: "Cross compile the gem on different ruby versions"
+    strategy:
+      matrix:
+        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
+    runs-on: "${{ matrix.os }}"
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v5"
+      - name: "Setup Ruby"
+        uses: "ruby/setup-ruby@v1"
+        with:
+          ruby-version: "3.0.7"
+          bundler-cache: true
+          working-directory: "test/fixtures/dummy_gem"
+      - name: "Run easy compile"
+        uses: "shopify-playground/edouard-playground/.github/actions/easy_compile@main"
+        with:
+          step: "compile"
+          token: ${{ secrets.GITHUB_TOKEN }}
+          working-directory: "test/fixtures/dummy_gem"
+  test:
+    timeout-minutes: 20
+    name: "Run the test suite"
+    needs: compile
+    strategy:
+      matrix:
+        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
+        rubies: ["3.4.7", "3.0.7"]
+        type: ["cross", "native"]
+    runs-on: "${{ matrix.os }}"
+    steps:
+      - name: "Checkout code"
+        uses: "actions/checkout@v5"
+      - name: "Setup Ruby"
+        uses: "ruby/setup-ruby@v1"
+        with:
+          ruby-version: "${{ matrix.rubies }}"
+          bundler-cache: true
+          working-directory: "test/fixtures/dummy_gem"
+      - name: "Run easy compile"
+        uses: "shopify-playground/edouard-playground/.github/actions/easy_compile@main"
+        with:
+          step: "test_${{ matrix.type }}"
+          token: ${{ secrets.GITHUB_TOKEN }} # TODO Remove this before publishing the gem
+          working-directory: "test/fixtures/dummy_gem"
+  install:
+    timeout-minutes: 5
+    name: "Verify the gem can be installed"
+    needs: test
+    strategy:
+      matrix:
+        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
+    runs-on: "${{ matrix.os }}"
+    steps:
+      - name: "Setup Ruby"
+        uses: "ruby/setup-ruby@v1"
+        with:
+          ruby-version: "3.4.7"
+      - name: "Run easy compile"
+        uses: "shopify-playground/edouard-playground/.github/actions/easy_compile@main"
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }} # TODO Remove this before publishing the gem
+          step: "install"

Rakefile

@@ -1,10 +1,16 @@
 # frozen_string_literal: true
 
 require "bundler/gem_tasks"
-require "minitest/test_task"
 
-Minitest::TestTask.create do |t|
-  t.test_globs = ["test/**/*_test.rb"]
+begin
+  require "minitest/test_task"
+
+  Minitest::TestTask.create do |t|
+    t.test_globs = ["test/**/*_test.rb"]
+  end
+rescue LoadError
+  # This begin/rescue is temporary. The gem isn't pusblished to RubyGems so to install
+  # it the GitHub action clones the repo and runs `rake install`, without running a `bundle install` first.
 end
 
 task default: :test

test/cli_test.rb

@@ -115,7 +115,7 @@ def test_print_ruby_cc_version
         end
       end
 
-      assert_equal("3.4.6:3.3.8:3.2.8", out)
+      assert_equal("3.4.6:3.3.8:3.2.8:3.1.6:3.0.6", out)
     end
   end
 end

test/fixtures/dummy_gem/dummy_gem.gemspec

@@ -12,7 +12,6 @@ Gem::Specification.new do |spec|
   spec.description = "Don't use it, really."
   spec.homepage = "https://example.com"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.2.0"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"
   spec.metadata["homepage_uri"] = spec.homepage

test/fixtures/expected_github_workflow.yml

@@ -21,7 +21,7 @@ jobs:
       - name: "Setup Ruby"
         uses: "ruby/setup-ruby@v1"
         with:
-          ruby-version: "3.2.9"
+          ruby-version: "3.0.7"
           bundler-cache: true
       - name: "Run easy compile"
         uses: "shopify-playground/edouard-playground/.github/actions/easy_compile@main"
@@ -35,7 +35,7 @@ jobs:
     strategy:
       matrix:
         os: ["macos-latest", "ubuntu-latest"]
-        rubies: ["3.4.7", "3.3.9", "3.2.9"]
+        rubies: ["3.4.7", "3.3.9", "3.2.9", "3.1.7", "3.0.7"]
         type: ["cross", "native"]
     runs-on: "${{ matrix.os }}"
     steps:

test/fixtures/expected_github_workflow_working_dir.yml

@@ -21,7 +21,7 @@ jobs:
       - name: "Setup Ruby"
         uses: "ruby/setup-ruby@v1"
         with:
-          ruby-version: "3.2.9"
+          ruby-version: "3.0.7"
           bundler-cache: true
           working-directory: "test/fixtures/date"
       - name: "Run easy compile"
@@ -37,7 +37,7 @@ jobs:
     strategy:
       matrix:
         os: ["macos-latest", "ubuntu-latest"]
-        rubies: ["3.4.7", "3.3.9", "3.2.9"]
+        rubies: ["3.4.7", "3.3.9", "3.2.9", "3.1.7", "3.0.7"]
         type: ["cross", "native"]
     runs-on: "${{ matrix.os }}"
     steps: