1 files changed, 0 insertions, 66 deletions
diff --git a/test/test_observer.rb b/test/test_observer.rb
deleted file mode 100644
index 8f8f24b3c5..0000000000
--- a/test/test_observer.rb
+++ /dev/null
@@ -1,66 +0,0 @@
-# frozen_string_literal: true
-require 'test/unit'
-require 'observer'
-
-class TestObserver < Test::Unit::TestCase
-  class TestObservable
-    include Observable
-
-    def notify(*args)
-      changed
-      notify_observers(*args)
-    end
-  end
-
-  class TestWatcher
-    def initialize(observable)
-      @notifications = []
-      observable.add_observer(self)
-    end
-
-    attr_reader :notifications
-
-    def update(*args)
-      @notifications << args
-    end
-  end
-
-  def test_observers
-    observable = TestObservable.new
-
-    assert_equal(0, observable.count_observers)
-
-    watcher1 = TestWatcher.new(observable)
-
-    assert_equal(1, observable.count_observers)
-
-    observable.notify("test", 123)
-
-    watcher2 = TestWatcher.new(observable)
-
-    assert_equal(2, observable.count_observers)
-
-    observable.notify(42)
-
-    assert_equal([["test", 123], [42]], watcher1.notifications)
-    assert_equal([[42]], watcher2.notifications)
-
-    observable.delete_observer(watcher1)
-
-    assert_equal(1, observable.count_observers)
-
-    observable.notify(:cats)
-
-    assert_equal([["test", 123], [42]], watcher1.notifications)
-    assert_equal([[42], [:cats]], watcher2.notifications)
-
-    observable.delete_observers
-
-    assert_equal(0, observable.count_observers)
-
-    observable.notify("nope")
-
-    assert_equal([["test", 123], [42]], watcher1.notifications)
-    assert_equal([[42], [:cats]], watcher2.notifications)
-  end
-end