Merge pull request #29926 from pawandubey:fix-test-with-absolute-paths

railties/lib/rails/test_unit/runner.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "shellwords"
 require "method_source"
 require "rake/file_list"
@@ -58,7 +60,8 @@ def compose_filter(runnable, filter)
 
         private
           def extract_filters(argv)
-            argv.select { |arg| arg =~ /^\w+\// }.map do |path|
+            # Extract absolute and relative paths but skip -n /.*/ regexp filters.
+            argv.select { |arg| arg =~ %r%^/?\w+/% && !arg.end_with?("/") }.map do |path|
               case
               when path =~ /(:\d+)+$/
                 file, *lines = path.split(":")

railties/test/application/test_runner_test.rb

@@ -31,12 +31,26 @@ def test_run_single_file
       assert_match "1 runs, 1 assertions, 0 failures", run_test_command("test/models/foo_test.rb")
     end
 
+    def test_run_single_file_with_absolute_path
+      create_test_file :models, "foo"
+      create_test_file :models, "bar"
+      assert_match "1 runs, 1 assertions, 0 failures", run_test_command("#{app_path}/test/models/foo_test.rb")
+    end
+
     def test_run_multiple_files
       create_test_file :models,  "foo"
       create_test_file :models,  "bar"
       assert_match "2 runs, 2 assertions, 0 failures", run_test_command("test/models/foo_test.rb test/models/bar_test.rb")
     end
 
+    def test_run_multiple_files_with_absolute_paths
+      create_test_file :models,  "foo"
+      create_test_file :controllers,  "foobar_controller"
+      create_test_file :models, "bar"
+
+      assert_match "2 runs, 2 assertions, 0 failures", run_test_command("#{app_path}/test/models/foo_test.rb #{app_path}/test/controllers/foobar_controller_test.rb")
+    end
+
     def test_run_file_with_syntax_error
       app_file "test/models/error_test.rb", <<-RUBY
         require 'test_helper'
@@ -264,6 +278,18 @@ def test_run_multiple_folders
       end
     end
 
+    def test_run_multiple_folders_with_absolute_paths
+      create_test_file :models, "account"
+      create_test_file :controllers, "accounts_controller"
+      create_test_file :helpers, "foo_helper"
+
+      run_test_command("#{app_path}/test/models #{app_path}/test/controllers").tap do |output|
+        assert_match "AccountTest", output
+        assert_match "AccountsControllerTest", output
+        assert_match "2 runs, 2 assertions, 0 failures, 0 errors, 0 skips", output
+      end
+    end
+
     def test_run_with_ruby_command
       app_file "test/models/post_test.rb", <<-RUBY
         require 'test_helper'