select the AR adapter through `bin/test`.

1 files changed, 16 insertions, 0 deletions

diff --git a/activerecord/bin/test b/activerecord/bin/test
index 2827e79217..f8adf2aabc 100755
--- a/activerecord/bin/test
+++ b/activerecord/bin/test
@@ -1,3 +1,19 @@
 #!/usr/bin/env ruby
 COMPONENT_ROOT = File.expand_path("../../", __FILE__)
 require File.expand_path("../tools/test", COMPONENT_ROOT)
+module Minitest
+  def self.plugin_active_record_options(opts, options)
+    opts.separator ""
+    opts.separator "Active Record options:"
+    opts.on("-a", "--adapter [ADAPTER]",
+            "Run tests using a specific adapter (sqlite3, sqlite3_mem, mysql, mysql2, postgresql)") do |adapter|
+      ENV["ARCONN"] = adapter.strip
+    end
+
+    opts
+  end
+end
+
+Minitest.extensions.unshift 'active_record'
+
+exit Minitest.run(ARGV)