get rid of NAMED_PATTERNS in favor of running a whole directory

2 files changed, 12 insertions, 7 deletions

diff --git a/railties/lib/rails/test_unit/runner.rb b/railties/lib/rails/test_unit/runner.rb
index d84f1cf9af..67c86e0dd0 100644
--- a/railties/lib/rails/test_unit/runner.rb
+++ b/railties/lib/rails/test_unit/runner.rb
@@ -10,7 +10,7 @@ module Rails
         options = { backtrace: false, name: nil }
 
         opt_parser = ::OptionParser.new do |opts|
-          opts.banner = "Usage: bin/rails test [options]"
+          opts.banner = "Usage: bin/rails test [options] [file or directory]"
 
           opts.separator ""
           opts.separator "Filter options:"
@@ -47,8 +47,8 @@ module Rails
         opt_parser.order!(args)
 
         if arg = args.shift
-          if NAMED_PATTERNS.key?(arg)
-            options[:pattern] = arg
+          if Dir.exists?(arg)
+            options[:pattern] = "#{arg}/**/*_test.rb"
           else
             options[:filename], options[:line] = arg.split(':')
             options[:filename] = File.expand_path options[:filename]
@@ -89,13 +89,10 @@ module Rails
       end
     end
 
-    NAMED_PATTERNS = {
-      "models" => "test/models/**/*_test.rb"
-    }
     def test_files
       return [@options[:filename]] if @options[:filename]
       if @options[:pattern]
-        pattern = NAMED_PATTERNS[@options[:pattern]]
+        pattern = @options[:pattern]
       else
         pattern = "test/**/*_test.rb"
       end
diff --git a/railties/test/test_unit/runner_test.rb b/railties/test/test_unit/runner_test.rb
index fa906d4080..be226e3aa5 100644
--- a/railties/test/test_unit/runner_test.rb
+++ b/railties/test/test_unit/runner_test.rb
@@ -44,4 +44,12 @@ class TestUnitTestRunnerTest < ActiveSupport::TestCase
     runner = Rails::TestRunner.new(options)
     assert_nil runner.find_method
   end
+
+  test "run all tests in a directory" do
+    options = @options.parse([__dir__])
+
+    assert_equal "#{__dir__}/**/*_test.rb", options[:pattern]
+    assert_nil options[:filename]
+    assert_nil options[:line]
+  end
 end