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-rw-r--r--activesupport/test/reloader_test.rb85
1 files changed, 85 insertions, 0 deletions
diff --git a/activesupport/test/reloader_test.rb b/activesupport/test/reloader_test.rb
new file mode 100644
index 0000000000..958cb49993
--- /dev/null
+++ b/activesupport/test/reloader_test.rb
@@ -0,0 +1,85 @@
+require 'abstract_unit'
+
+class ReloaderTest < ActiveSupport::TestCase
+ def test_prepare_callback
+ prepared = false
+ reloader.to_prepare { prepared = true }
+
+ assert !prepared
+ reloader.prepare!
+ assert prepared
+
+ prepared = false
+ reloader.wrap do
+ assert prepared
+ prepared = false
+ end
+ assert !prepared
+ end
+
+ def test_only_run_when_check_passes
+ r = new_reloader { true }
+ invoked = false
+ r.to_run { invoked = true }
+ r.wrap { }
+ assert invoked
+
+ r = new_reloader { false }
+ invoked = false
+ r.to_run { invoked = true }
+ r.wrap { }
+ assert !invoked
+ end
+
+ def test_full_reload_sequence
+ called = []
+ reloader.to_prepare { called << :prepare }
+ reloader.to_run { called << :reloader_run }
+ reloader.to_complete { called << :reloader_complete }
+ reloader.executor.to_run { called << :executor_run }
+ reloader.executor.to_complete { called << :executor_complete }
+
+ reloader.wrap { }
+ assert_equal [:executor_run, :reloader_run, :prepare, :reloader_complete, :executor_complete], called
+
+ called = []
+ reloader.reload!
+ assert_equal [:executor_run, :reloader_run, :prepare, :reloader_complete, :executor_complete, :prepare], called
+
+ reloader.check = lambda { false }
+
+ called = []
+ reloader.wrap { }
+ assert_equal [:executor_run, :executor_complete], called
+
+ called = []
+ reloader.reload!
+ assert_equal [:executor_run, :reloader_run, :prepare, :reloader_complete, :executor_complete, :prepare], called
+ end
+
+ def test_class_unload_block
+ called = []
+ reloader.before_class_unload { called << :before_unload }
+ reloader.after_class_unload { called << :after_unload }
+ reloader.to_run do
+ class_unload! do
+ called << :unload
+ end
+ end
+ reloader.wrap { called << :body }
+
+ assert_equal [:before_unload, :unload, :after_unload, :body], called
+ end
+
+ private
+ def new_reloader(&check)
+ Class.new(ActiveSupport::Reloader).tap do |r|
+ r.check = check
+ r.executor = Class.new(ActiveSupport::Executor)
+ end
+ end
+
+ def reloader
+ @reloader ||= new_reloader { true }
+ end
+end