[features] dump/restore is a noop

features/step_definitions/thin_steps.rb

@@ -41,3 +41,15 @@ end
 Then(/^it should pass with version$/) do
   only_processes.last.stdout.chomp.should == tools_version
 end
+
+When(/^I dump$/) do
+  run_simple("thin_dump #{dev_file} -o #{new_dump_file}", false)
+end
+
+When(/^I restore$/) do
+  run_simple("thin_restore -i #{dump_files[-1]} -o #{dev_file}", false)
+end
+
+Then(/^dumps ([0-9]+) and ([0-9]+) should be identical$/) do |d1, d2|
+  run_simple("diff -b #{dump_files[d1.to_i]} #{dump_files[d2.to_i]}", false)
+end