spike of a `OptionParser` backed test runner.

2 files changed, 15 insertions, 1 deletions

diff --git a/railties/lib/rails/commands/commands_tasks.rb b/railties/lib/rails/commands/commands_tasks.rb
index 8bae08e44e..d8d4080c3e 100644
--- a/railties/lib/rails/commands/commands_tasks.rb
+++ b/railties/lib/rails/commands/commands_tasks.rb
@@ -14,6 +14,7 @@ The most common rails commands are:
  generate    Generate new code (short-cut alias: "g")
  console     Start the Rails console (short-cut alias: "c")
  server      Start the Rails server (short-cut alias: "s")
+ test        Run tests (short-cut alias: "t")
  dbconsole   Start a console for the database specified in config/database.yml
              (short-cut alias: "db")
  new         Create a new Rails application. "rails new my_app" creates a
@@ -27,7 +28,7 @@ In addition to those, there are:
 All commands can be run with -h (or --help) for more information.
 EOT
 
-    COMMAND_WHITELIST = %w(plugin generate destroy console server dbconsole runner new version help)
+    COMMAND_WHITELIST = %w(plugin generate destroy console server dbconsole runner new version help test)
 
     def initialize(argv)
       @argv = argv
@@ -81,6 +82,10 @@ EOT
       end
     end
 
+    def test
+      require_command!("test")
+    end
+
     def dbconsole
       require_command!("dbconsole")
       Rails::DBConsole.start
diff --git a/railties/lib/rails/commands/test.rb b/railties/lib/rails/commands/test.rb
new file mode 100644
index 0000000000..f75b07cf73
--- /dev/null
+++ b/railties/lib/rails/commands/test.rb
@@ -0,0 +1,9 @@
+ENV["RAILS_ENV"] = "test"
+
+require "rails/test_unit/runner"
+options = Rails::TestRunner::Options.parse(ARGV)
+
+$: << File.expand_path("../../test", APP_PATH)
+
+# Config Rails backtrace in tests.
+Rails::TestRunner.new(options).run