Add test

Appraisals

@@ -1,11 +1,14 @@
 appraise 'ar-6.1' do
   gem 'activerecord', '~> 6.1.0'
+  gem 'mysql2'
 end
 
 appraise 'ar-7.0' do
   gem 'activerecord', '~> 7.0.0'
+  gem 'mysql2'
 end
 
 appraise 'ar-7.1' do
   gem 'activerecord', '~> 7.1.0'
+  gem 'mysql2'
 end

gemfiles/ar_6.1.gemfile

@@ -3,5 +3,6 @@
 source "https://rubygems.org"
 
 gem "activerecord", "~> 6.1.0"
+gem "mysql2"
 
 gemspec path: "../"

gemfiles/ar_7.0.gemfile

@@ -3,5 +3,6 @@
 source "https://rubygems.org"
 
 gem "activerecord", "~> 7.0.0"
+gem "mysql2"
 
 gemspec path: "../"

gemfiles/ar_7.1.gemfile

@@ -3,5 +3,6 @@
 source "https://rubygems.org"
 
 gem "activerecord", "~> 7.1.0"
+gem "mysql2"
 
 gemspec path: "../"

spec/arproxy_spec.rb

@@ -169,4 +169,43 @@ def execute(sql, name)
       it { expect(thr1.value).not_to eq(thr2.value) }
     end
   end
+
+  context 'use mysql adapter' do
+    class ProxyX < Arproxy::Base
+      class << self
+        def push(*args)
+          @calls ||= []
+          @calls << args
+        end
+
+        def calls
+          @calls
+        end
+      end
+
+      def execute(sql, name, **kwargs)
+        ProxyX.push(sql, name, kwargs)
+        super
+      end
+    end
+
+    before do
+      ActiveRecord::Base.establish_connection(ENV['DATABASE_URL'] || "mysql2://[email protected]/ar_test")
+
+      Arproxy.clear_configuration
+      Arproxy.configure do |config|
+        config.adapter = 'mysql2'
+        config.use ProxyX
+      end
+      Arproxy.enable!
+    end
+
+    subject { connection.execute "SHOW DATABASES", "NAME" }
+    let(:connection) { ActiveRecord::Base.connection }
+
+    it do
+      expect(subject.to_a).to include(["ar_test"])
+      expect(ProxyX.calls.last).to include('SHOW DATABASES')
+    end
+  end
 end