test sitemap removal

middleman-core/features/preview_changes.feature

@@ -16,3 +16,14 @@ Feature: Preview Changes
     When I go to "/content.html"
     Then I should see "Hola Mundo"
     
+  Scenario: A template is removed during preview
+    Given the Server is running at "preview-app"
+    And the file "source/a-page.html.erb" has the contents
+      """
+      Hello World
+      """
+    When I go to "/a-page.html"
+    Then I should see "Hello World"
+    And the file "source/a-page.html.erb" is removed
+    When I go to "/a-page.html"
+    Then I should see "File Not Found"

middleman-core/lib/middleman-core/step_definitions/middleman_steps.rb

@@ -5,11 +5,19 @@ Given /^a project at "([^\"]*)"$/ do |dirname|
 end
 
 Then /^the file "([^\"]*)" has the contents$/ do |path, contents|
-  file_path = File.expand_path(path, @target)
+  write_file(path, contents)
-  File.open(file_path, 'w') { |f| f.write(contents) }
   step %Q{the file "#{path}" did change}
 end
 
+Then /^the file "([^\"]*)" is removed$/ do |path|
+  step %Q{I remove the file "#{path}"}
+  step %Q{the file "#{path}" did delete}
+end
+
 Then /^the file "([^\"]*)" did change$/ do |path|
   @server_inst.file_did_change(path)
 end
+
+Then /^the file "([^\"]*)" did delete$/ do |path|
+  @server_inst.file_did_delete(path)
+end