Add GitHub Action to replace Travis

.github/workflows/ci.yml

@@ -0,0 +1,66 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    types:
+      - opened
+      - synchronize
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build:
+    services:
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_PASSWORD: postgres
+        ports: [ '5432:5432' ]
+        options: --health-cmd pg_isready --health-interval 2s --health-timeout 1s --health-retries 10
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - 2.7.2
+          - 2.6.6
+          - 2.5.8
+          - 2.4.10
+        appraisal:
+          - rails_6_0
+          - rails_5_2
+          - rails_5_1
+          - rails_5_0
+          - rails_4_2
+        adapter:
+          - sqlite3
+          - postgresql
+        exclude:
+          - { ruby: 2.7.2, appraisal: rails_4_2 }
+          - { ruby: 2.6.6, appraisal: rails_4_2 }
+          - { ruby: 2.4.10, appraisal: rails_6_0 }
+    env:
+      DATABASE_ADAPTER: ${{ matrix.adapter }}
+      BUNDLE_GEMFILE: gemfiles/${{ matrix.appraisal }}.gemfile
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Ruby
+        id: set-up-ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - uses: actions/cache@v2
+        with:
+          path: vendor/bundle
+          key: v1-rubygems-local-${{ runner.os }}-${{ matrix.ruby }}-${{ hashFiles(format('gemfiles/{0}.gemfile.lock', matrix.rails_appraisal)) }}
+      - name: Install dependencies
+        run: bundle install --jobs=3 --retry=3
+      - name: Run Unit Tests
+        run: bundle exec rake spec:unit --trace
+      - name: Run Acceptance Tests
+        run: bundle exec rake spec:acceptance --trace

spec/support/acceptance/helpers/step_helpers.rb

@@ -58,14 +58,8 @@ def run_n_unit_test_suite
 
     def create_rails_application
       fs.clean
-      command =
-        if rails_version =~ '~> 6.0'
-          "bundle exec rails new #{fs.project_directory} --skip-bundle --skip-javascript --no-rc"
-        else
-          "bundle exec rails new #{fs.project_directory} --skip-bundle --no-rc"
-        end
 
-      run_command!(command) do |runner|
+      run_command!(rails_new_command) do |runner|
         runner.directory = nil
       end
 
@@ -76,11 +70,18 @@ def create_rails_application
         bundle.remove_gem 'debugger'
         bundle.remove_gem 'byebug'
         bundle.remove_gem 'web-console'
-        bundle.add_gem 'pg'
       end
 
       fs.open('config/database.yml', 'w') do |file|
-        YAML.dump(database.config.to_hash, file)
+        YAML.dump(database.config.load_file, file)
+      end
+    end
+
+    def rails_new_command
+      if rails_version =~ '~> 6.0'
+        "bundle exec rails new #{fs.project_directory} --database=#{database.adapter_name} --skip-bundle --skip-javascript --no-rc"
+      else
+        "bundle exec rails new #{fs.project_directory} --database=#{database.adapter_name} --skip-bundle --no-rc"
       end
     end
 

spec/support/tests/database_adapters/config/postgresql.yml

@@ -0,0 +1,19 @@
+default: &default
+  adapter: postgresql
+  encoding: unicode
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS", 5) %>
+  host: <%= ENV.fetch("DB_HOST", "localhost") %>
+  username: <%= ENV.fetch("DB_USER", "postgres") %>
+  password: <%= ENV.fetch("DB_USER_PASSWORD", "postgres") %>
+
+development:
+  <<: *default
+  database: shoulda-matchers-test_development
+
+test:
+  <<: *default
+  database: shoulda-matchers-test_test
+
+production:
+  <<: *default
+  database: shoulda-matchers-test_production

spec/support/tests/database_adapters/config/sqlite3.yml

@@ -0,0 +1,16 @@
+default: &default
+  adapter: sqlite3
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  timeout: 5000
+
+development:
+  <<: *default
+  database: db/development.sqlite3
+
+test:
+  <<: *default
+  database: db/test.sqlite3
+
+production:
+  <<: *default
+  database: db/production.sqlite3

spec/support/tests/database_configuration.rb

@@ -3,8 +3,6 @@
 
 module Tests
   class DatabaseConfiguration < SimpleDelegator
-    ENVIRONMENTS = %w(development test production).freeze
-
     attr_reader :adapter_class
 
     def self.for(database_name, adapter_name)
@@ -18,13 +16,8 @@ def initialize(config)
       super(config)
     end
 
-    def to_hash
-      ENVIRONMENTS.each_with_object({}) do |env, config_as_hash|
-        config_as_hash[env] = {
-          'adapter' => adapter.to_s,
-          'database' => "#{database}_#{env}",
-        }
-      end
+    def load_file
+      YAML::load_file(File.join(__dir__, "database_adapters/config/#{adapter}.yml"))
     end
   end
 end

spec/support/unit/rails_application.rb

@@ -97,6 +97,7 @@ def rails_new_command
           'rails',
           'new',
           fs.project_directory.to_s,
+          "--database=#{database.adapter_name}",
           '--skip-bundle',
           '--no-rc',
           '--skip-webpack-install',
@@ -106,6 +107,7 @@ def rails_new_command
           'rails',
           'new',
           fs.project_directory.to_s,
+          "--database=#{database.adapter_name}",
           '--skip-bundle',
           '--no-rc',
         ]
@@ -135,7 +137,7 @@ def remove_bootsnap
     end
 
     def write_database_configuration
-      YAML.dump(database.config.to_hash, fs.open('config/database.yml', 'w'))
+      YAML.dump(database.config.load_file, fs.open('config/database.yml', 'w'))
     end
 
     def write_activerecord_model_with_different_connection
@@ -201,8 +203,6 @@ def update_gems
         bundle.remove_gem 'debugger'
         bundle.remove_gem 'byebug'
         bundle.remove_gem 'web-console'
-        bundle.add_gem 'pg'
-        bundle.add_gem 'sqlite', '~> 1.3.6'
       end
     end