ci: rename build to ci workflow (#84)

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+name: CI
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: '0 12 * * 5'
+
+jobs:
+  tests:
+    name: "RSpec / Ruby ${{ matrix.ruby-version }}"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version:
+          - "3.1"
+          - "3.2"
+          - "3.3"
+          - "head"
+
+    timeout-minutes: 3
+
+    steps:
+      - uses: actions/checkout@v4
+
+        # https://bundler.io/blog/2018/01/17/making-gem-development-a-little-better.html
+      - run: rm Gemfile.lock
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          rubygems: 3.3.27 # last version to support Ruby 2.5
+          bundler: latest
+          bundler-cache: true
+
+      - run: bundle exec rake spec

README.md

@@ -221,8 +221,8 @@ Bug reports and pull requests are welcome on GitHub at [https://github.com/ryanc
 
 [rubygems_badge]: https://img.shields.io/gem/v/mime_actor.svg
 [rubygems]: https://rubygems.org/gems/mime_actor
-[ci_badge]: https://github.com/ryancyq/mime_actor/actions/workflows/build.yml/badge.svg
-[ci_workflows]: https://github.com/ryancyq/mime_actor/actions/workflows/build.yml
+[ci_badge]: https://github.com/ryancyq/mime_actor/actions/workflows/ci.yml/badge.svg
+[ci_workflows]: https://github.com/ryancyq/mime_actor/actions/workflows/ci.yml
 [coverage_badge]: https://codecov.io/gh/ryancyq/mime_actor/graph/badge.svg?token=4C091RHXC3
 [coverage]: https://codecov.io/gh/ryancyq/mime_actor
 [maintainability_badge]: https://api.codeclimate.com/v1/badges/06689606dc3f3945dc1b/maintainability

spec/mime_actor/stage_spec.rb

@@ -20,7 +20,8 @@
 
     it "disallows instance writter" do
       expect { klazz.new.raise_on_actor_error = true }.to raise_error(
-        NoMethodError, %r{undefined method `raise_on_actor_error='}
+        NoMethodError,
+        %r{undefined method [`']raise_on_actor_error=' for (#<|an instance of)}
       )
     end
   end