Add CI workflow (#2)

* Add CI workflow

* Remove branches restriction

* Use v1

* Extract rubocop to a separate job

* Create DB in temp folder

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  rubocop:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.0
+          bundler-cache: true
+      - name: Run rubocop
+        run: bundle exec rubocop
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ['3.0', '3.1', '3.2', '3.3']
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby ${{ matrix.ruby-version }}
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+      - name: Run tests
+        run: bundle exec rspec

spec/spec_helper.rb

@@ -15,4 +15,15 @@
   config.expect_with :rspec do |c|
     c.syntax = :expect
   end
+
+  database_path = File.join(__dir__, '../tmp/database')
+
+  config.before(:suite) do
+    FileUtils.rm_rf([database_path])
+    system 'git', 'clone', '--quiet', Bundler::Audit::Database::URL, database_path
+  end
+
+  config.before do
+    stub_const('Bundler::Audit::Database::DEFAULT_PATH', database_path)
+  end
 end