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-rw-r--r--railties/test/application/rake/initializers_test.rb42
1 files changed, 42 insertions, 0 deletions
diff --git a/railties/test/application/rake/initializers_test.rb b/railties/test/application/rake/initializers_test.rb
new file mode 100644
index 0000000000..fb498e28ad
--- /dev/null
+++ b/railties/test/application/rake/initializers_test.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require "isolation/abstract_unit"
+
+module ApplicationTests
+ module RakeTests
+ class RakeInitializersTest < ActiveSupport::TestCase
+ setup :build_app
+ teardown :teardown_app
+
+ test "`rake initializers` prints out defined initializers invoked by Rails" do
+ capture(:stderr) do
+ initial_output = run_rake_initializers
+ initial_output_length = initial_output.split("\n").length
+
+ assert_operator initial_output_length, :>, 0
+ assert_not initial_output.include?("set_added_test_module")
+
+ add_to_config <<-RUBY
+ initializer(:set_added_test_module) { }
+ RUBY
+
+ final_output = run_rake_initializers
+ final_output_length = final_output.split("\n").length
+
+ assert_equal 1, (final_output_length - initial_output_length)
+ assert final_output.include?("set_added_test_module")
+ end
+ end
+
+ test "`rake initializers` outputs a deprecation warning" do
+ stderr = capture(:stderr) { run_rake_initializers }
+ assert_match(/DEPRECATION WARNING: Using `bin\/rake initializers` is deprecated and will be removed in Rails 6.1/, stderr)
+ end
+
+ private
+ def run_rake_initializers
+ Dir.chdir(app_path) { `bin/rake initializers` }
+ end
+ end
+ end
+end