Add github action to run tests

.github/workflows/gem-push.yml

@@ -0,0 +1,31 @@
+name: Publish Ruby Gem
+
+on:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    name: Build + Publish
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Ruby 2.7
+      uses: actions/setup-ruby@v1
+      with:
+        ruby-version: 2.7.x
+
+    - name: Publish to RubyGems
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+        gem build *.gemspec
+        gem push *.gem
+      env:
+        GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: Run Tests
+
+on:
+  pull_request:
+    branches: "**"
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version: ['2.7', '3.0', '3.1', '3.2']
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - name: Run tests
+      run: bundle exec rspec --profile 10 --format RspecJunitFormatter --out test_results/rspec.xml --format progress
+    - name: Upload result
+      uses: actions/upload-artifact@v3
+      with:
+        name: rspec_${{ matrix.ruby-version }}.xml
+        path: test_results/rspec.xml

safe_values.gemspec

@@ -13,9 +13,7 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'http://github.com/iknow/safe_values'
   spec.license       = 'MIT'
 
-  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
-    f.match(%r{^(test|spec|features)/})
-  end
+  spec.files         = Dir["lib/**/*", "LICENSE.txt", "README.md"]
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']