1 files changed, 34 insertions, 0 deletions
diff --git a/railties/test/generators/test_runner_in_engine_test.rb b/railties/test/generators/test_runner_in_engine_test.rb
new file mode 100644
index 0000000000..bd102a32b5
--- /dev/null
+++ b/railties/test/generators/test_runner_in_engine_test.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require "generators/plugin_test_helper"
+
+class TestRunnerInEngineTest < ActiveSupport::TestCase
+  include PluginTestHelper
+
+  def setup
+    @destination_root = Dir.mktmpdir("bukkits")
+    Dir.chdir(@destination_root) { `bundle exec rails plugin new bukkits --full --skip-bundle` }
+    plugin_file "test/dummy/db/schema.rb", ""
+  end
+
+  def teardown
+    FileUtils.rm_rf(@destination_root)
+  end
+
+  def test_rerun_snippet_is_relative_path
+    create_test_file "post", pass: false
+
+    output = run_test_command("test/post_test.rb")
+    expect = %r{Running:\n\nPostTest\nF\n\nFailure:\nPostTest#test_truth \[[^\]]+test/post_test\.rb:6\]:\nwups!\n\nrails test test/post_test\.rb:4}
+    assert_match expect, output
+  end
+
+  private
+    def plugin_path
+      "#{@destination_root}/bukkits"
+    end
+
+    def run_test_command(arguments)
+      Dir.chdir(plugin_path) { `bin/rails test #{arguments}` }
+    end
+end