1 files changed, 86 insertions, 0 deletions
diff --git a/activesupport/test/benchmarkable_test.rb b/activesupport/test/benchmarkable_test.rb
new file mode 100644
index 0000000000..766956f50f
--- /dev/null
+++ b/activesupport/test/benchmarkable_test.rb
@@ -0,0 +1,86 @@
+require 'abstract_unit'
+
+class BenchmarkableTest < ActiveSupport::TestCase
+  include ActiveSupport::Benchmarkable
+
+  def teardown
+    logger.send(:clear_buffer)
+  end
+
+  def test_without_block
+    assert_raise(LocalJumpError) { benchmark }
+    assert buffer.empty?
+  end
+
+  def test_defaults
+    i_was_run = false
+    benchmark { i_was_run = true }
+    assert i_was_run
+    assert_last_logged
+  end
+
+  def test_with_message
+    i_was_run = false
+    benchmark('test_run') { i_was_run = true }
+    assert i_was_run
+    assert_last_logged 'test_run'
+  end
+
+  def test_with_message_and_deprecated_level
+    i_was_run = false
+
+    assert_deprecated do
+      benchmark('debug_run', :debug) { i_was_run = true }
+    end
+
+    assert i_was_run
+    assert_last_logged 'debug_run'
+  end
+
+  def test_within_level
+    logger.level = ActiveSupport::BufferedLogger::DEBUG
+    benchmark('included_debug_run', :level => :debug) { }
+    assert_last_logged 'included_debug_run'
+  end
+
+  def test_outside_level
+    logger.level = ActiveSupport::BufferedLogger::ERROR
+    benchmark('skipped_debug_run', :level => :debug) { }
+    assert_no_match(/skipped_debug_run/, buffer.last)
+  ensure
+    logger.level = ActiveSupport::BufferedLogger::DEBUG
+  end
+
+  def test_without_silencing
+    benchmark('debug_run', :silence => false) do
+      logger.info "not silenced!"
+    end
+
+    assert_equal 2, buffer.size
+  end
+
+  def test_with_silencing
+    benchmark('debug_run', :silence => true) do
+      logger.info "silenced!"
+    end
+
+    assert_equal 1, buffer.size
+  end
+
+  private
+    def logger
+      @logger ||= begin
+        logger = ActiveSupport::BufferedLogger.new(StringIO.new)
+        logger.auto_flushing = false
+        logger
+      end
+    end
+
+    def buffer
+      logger.send(:buffer)
+    end
+
+    def assert_last_logged(message = 'Benchmarking')
+      assert_match(/^#{message} \(.*\)$/, buffer.last)
+    end
+end