1 files changed, 73 insertions, 0 deletions
diff --git a/railties/test/generators/generator_generator_test.rb b/railties/test/generators/generator_generator_test.rb
new file mode 100644
index 0000000000..eaa964cabc
--- /dev/null
+++ b/railties/test/generators/generator_generator_test.rb
@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+require "generators/generators_test_helper"
+require "rails/generators/rails/generator/generator_generator"
+
+class GeneratorGeneratorTest < Rails::Generators::TestCase
+  include GeneratorsTestHelper
+  arguments %w(awesome)
+
+  def test_generator_skeleton_is_created
+    run_generator
+
+    %w(
+      lib/generators/awesome
+      lib/generators/awesome/USAGE
+      lib/generators/awesome/templates
+    ).each { |path| assert_file path }
+
+    assert_file "lib/generators/awesome/awesome_generator.rb",
+                /class AwesomeGenerator < Rails::Generators::NamedBase/
+    assert_file "test/lib/generators/awesome_generator_test.rb",
+               /class AwesomeGeneratorTest < Rails::Generators::TestCase/,
+               /require 'generators\/awesome\/awesome_generator'/
+  end
+
+  def test_namespaced_generator_skeleton
+    run_generator ["rails/awesome"]
+
+    %w(
+      lib/generators/rails/awesome
+      lib/generators/rails/awesome/USAGE
+      lib/generators/rails/awesome/templates
+    ).each { |path| assert_file path }
+
+    assert_file "lib/generators/rails/awesome/awesome_generator.rb",
+                /class Rails::AwesomeGenerator < Rails::Generators::NamedBase/
+    assert_file "test/lib/generators/rails/awesome_generator_test.rb",
+               /class Rails::AwesomeGeneratorTest < Rails::Generators::TestCase/,
+               /require 'generators\/rails\/awesome\/awesome_generator'/
+  end
+
+  def test_generator_skeleton_is_created_without_file_name_namespace
+    run_generator ["awesome", "--namespace", "false"]
+
+    %w(
+      lib/generators/
+      lib/generators/USAGE
+      lib/generators/templates
+    ).each { |path| assert_file path }
+
+    assert_file "lib/generators/awesome_generator.rb",
+                /class AwesomeGenerator < Rails::Generators::NamedBase/
+    assert_file "test/lib/generators/awesome_generator_test.rb",
+               /class AwesomeGeneratorTest < Rails::Generators::TestCase/,
+               /require 'generators\/awesome_generator'/
+  end
+
+  def test_namespaced_generator_skeleton_without_file_name_namespace
+    run_generator ["rails/awesome", "--namespace", "false"]
+
+    %w(
+      lib/generators/rails
+      lib/generators/rails/USAGE
+      lib/generators/rails/templates
+    ).each { |path| assert_file path }
+
+    assert_file "lib/generators/rails/awesome_generator.rb",
+                /class Rails::AwesomeGenerator < Rails::Generators::NamedBase/
+    assert_file "test/lib/generators/rails/awesome_generator_test.rb",
+               /class Rails::AwesomeGeneratorTest < Rails::Generators::TestCase/,
+               /require 'generators\/rails\/awesome_generator'/
+  end
+end