test/throbber_tests.rb in rubikon-0.2.1 vs test/throbber_tests.rb in rubikon-0.3.0

@@ -1,9 +1,9 @@
-# This code is free software; you can redistribute it and/or modify it under the
-# terms of the new BSD License.
+# This code is free software; you can redistribute it and/or modify it under
+# the terms of the new BSD License.
 #
-# Copyright (c) 2009, Sebastian Staudt
+# Copyright (c) 2009-2010, Sebastian Staudt
 
 require 'test_helper'
 
 class ThrobberTests < Test::Unit::TestCase
 
@@ -19,9 +19,31 @@
       else
         consts = [:SPINNER, :MUTEX_FOR_THREAD_EXCLUSIVE]
       end
       assert_equal consts, Throbber.constants
       assert_equal '-\|/', Throbber.const_get(:SPINNER)
+    end
+
+    should 'work correctly' do
+      ostream = StringIO.new
+      started_at  = Time.now
+      finished_at = nil
+      thread = Thread.new do
+        sleep 1
+        finished_at = Time.now
+      end
+      throbber = Throbber.new(ostream, thread)
+      thread.join
+      throbber.join
+
+      spinner = Throbber.const_get(:SPINNER)
+      check_throbber = ' '
+      ((finished_at - started_at) / 0.25).floor.times do |char_index|
+        check_throbber << "\b"
+        check_throbber << spinner[char_index % 4]
+      end
+      check_throbber << "\b"
+      assert_equal check_throbber, ostream.string
     end
 
   end
 
 end