GitHub action to run RSpec

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  push:
+    branches: [ "**" ]
+  pull_request:
+    branches: [ "**" ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ['2.6', '2.7', '3.0', '3.1', '3.2', '3.3']
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+    - name: Run tests
+      run: bundle exec rspec

README.md

@@ -1,6 +1,7 @@
 # Fetchable
 
 [![Gem Version](https://badge.fury.io/rb/fetchable.png)](http://badge.fury.io/rb/fetchable)
+[![GitHub Actions CI](https://github.com/bestie/fetchable/actions/workflows/ci.yml/badge.svg)](https://github.com/bestie/fetchable/workflows/actions/ci.yml/badge.svg)
 
 Provides a mixin and decorator to add a `Hash#fetch` like interface to any object.
 

fetchable.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(spec)/})
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 2.4"
+  spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rspec",   "~> 3.13"
   spec.add_development_dependency "pry",     "~> 0.14"
 end