Test api old element index accessed as moderator

[rails.git] / test / controllers / api / old_ways_controller_test.rb

diff --git a/test/controllers/api/old_ways_controller_test.rb b/test/controllers/api/old_ways_controller_test.rb
index 73e968f3095c11f569fc8016b453407cc683d336..c365f329742a46937eefeabc1bc2230922b46afe 100644 (file)
--- a/test/controllers/api/old_ways_controller_test.rb
+++ b/test/controllers/api/old_ways_controller_test.rb
@@ -1,64 +1,162 @@
 require "test_helper"
 
 module Api
 require "test_helper"
 
 module Api

-  class OldWaysControllerTest < ActionController::TestCase
+  class OldWaysControllerTest < ActionDispatch::IntegrationTest

     ##
     # test all routes which lead to this controller
     def test_routes
       assert_routing(
         { :path => "/api/0.6/way/1/history", :method => :get },
     ##
     # test all routes which lead to this controller
     def test_routes
       assert_routing(
         { :path => "/api/0.6/way/1/history", :method => :get },

-        { :controller => "api/old_ways", :action => "history", :id => "1" }
+        { :controller => "api/old_ways", :action => "index", :way_id => "1" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/way/1/history.json", :method => :get },
+        { :controller => "api/old_ways", :action => "index", :way_id => "1", :format => "json" }

       )
       assert_routing(
         { :path => "/api/0.6/way/1/2", :method => :get },
       )
       assert_routing(
         { :path => "/api/0.6/way/1/2", :method => :get },

-        { :controller => "api/old_ways", :action => "version", :id => "1", :version => "2" }
+        { :controller => "api/old_ways", :action => "show", :way_id => "1", :version => "2" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/way/1/2.json", :method => :get },
+        { :controller => "api/old_ways", :action => "show", :way_id => "1", :version => "2", :format => "json" }

       )
       assert_routing(
         { :path => "/api/0.6/way/1/2/redact", :method => :post },
       )
       assert_routing(
         { :path => "/api/0.6/way/1/2/redact", :method => :post },

-        { :controller => "api/old_ways", :action => "redact", :id => "1", :version => "2" }
+        { :controller => "api/old_ways", :action => "redact", :way_id => "1", :version => "2" }

       )
     end
 
       )
     end
 

-    # -------------------------------------
-    # Test reading old ways.
-    # -------------------------------------
+    ##
+    # check that a visible way is returned properly
+    def test_index
+      way = create(:way, :with_history, :version => 2)
+
+      get api_way_versions_path(way)

 
 

-    def test_history_visible
-      # check that a visible way is returned properly
-      get :history, :params => { :id => create(:way, :with_history).id }

       assert_response :success
       assert_response :success

+      assert_dom "osm:root", 1 do
+        assert_dom "> way", 2 do |dom_ways|
+          assert_dom dom_ways[0], "> @id", way.id.to_s
+          assert_dom dom_ways[0], "> @version", "1"
+
+          assert_dom dom_ways[1], "> @id", way.id.to_s
+          assert_dom dom_ways[1], "> @version", "2"
+        end
+      end

     end
 
     end
 

-    def test_history_invisible
-      # check that an invisible way's history is returned properly
-      get :history, :params => { :id => create(:way, :with_history, :deleted).id }
+    ##
+    # check that an invisible way's history is returned properly
+    def test_index_invisible
+      get api_way_versions_path(create(:way, :with_history, :deleted))

       assert_response :success
     end
 
       assert_response :success
     end
 

-    def test_history_invalid
-      # check chat a non-existent way is not returned
-      get :history, :params => { :id => 0 }
+    ##
+    # check chat a non-existent way is not returned
+    def test_index_invalid
+      get api_way_versions_path(0)

       assert_response :not_found
     end
 
     ##
       assert_response :not_found
     end
 
     ##

-    # check that we can retrieve versions of a way
-    def test_version
-      way = create(:way, :with_history)
-      used_way = create(:way, :with_history)
-      create(:relation_member, :member => used_way)
-      way_with_versions = create(:way, :with_history, :version => 4)
+    # test that redacted ways aren't visible in the history
+    def test_index_redacted_unauthorised
+      way = create(:way, :with_history, :version => 2)
+      way.old_ways.find_by(:version => 1).redact!(create(:redaction))

 
 

-      create(:way_tag, :way => way)
-      create(:way_tag, :way => used_way)
-      create(:way_tag, :way => way_with_versions)
-      propagate_tags(way, way.old_ways.last)
-      propagate_tags(used_way, used_way.old_ways.last)
-      propagate_tags(way_with_versions, way_with_versions.old_ways.last)
+      get api_way_versions_path(way)
+
+      assert_response :success, "Redaction shouldn't have stopped history working."
+      assert_dom "osm way[id='#{way.id}'][version='1']", 0,
+                 "redacted way #{way.id} version 1 shouldn't be present in the history."

 
 

-      check_current_version(way.id)
-      check_current_version(used_way.id)
-      check_current_version(way_with_versions.id)
+      get api_way_versions_path(way, :show_redactions => "true")
+
+      assert_response :success, "Redaction shouldn't have stopped history working."
+      assert_dom "osm way[id='#{way.id}'][version='1']", 0,
+                 "redacted way #{way.id} version 1 shouldn't be present in the history when passing flag."
+    end
+
+    def test_index_redacted_normal_user
+      way = create(:way, :with_history, :version => 2)
+      way.old_ways.find_by(:version => 1).redact!(create(:redaction))
+
+      get api_way_versions_path(way), :headers => bearer_authorization_header
+
+      assert_response :success, "Redaction shouldn't have stopped history working."
+      assert_dom "osm way[id='#{way.id}'][version='1']", 0,
+                 "redacted node #{way.id} version 1 shouldn't be present in the history, even when logged in."
+
+      get api_way_versions_path(way, :show_redactions => "true"), :headers => bearer_authorization_header
+
+      assert_response :success, "Redaction shouldn't have stopped history working."
+      assert_dom "osm way[id='#{way.id}'][version='1']", 0,
+                 "redacted node #{way.id} version 1 shouldn't be present in the history, even when logged in and passing flag."
+    end
+
+    def test_index_redacted_moderator
+      way = create(:way, :with_history, :version => 2)
+      way.old_ways.find_by(:version => 1).redact!(create(:redaction))
+      auth_header = bearer_authorization_header create(:moderator_user)
+
+      get api_way_versions_path(way), :headers => auth_header
+
+      assert_response :success, "Redaction shouldn't have stopped history working."
+      assert_dom "osm way[id='#{way.id}'][version='1']", 0,
+                 "way #{way.id} version 1 should not be present in the history for moderators when not passing flag."
+
+      get api_way_versions_path(way, :show_redactions => "true"), :headers => auth_header
+
+      assert_response :success, "Redaction shouldn't have stopped history working."
+      assert_dom "osm way[id='#{way.id}'][version='1']", 1,
+                 "way #{way.id} version 1 should still be present in the history for moderators when passing flag."
+    end
+
+    def test_show
+      way = create(:way, :with_history, :version => 2)
+
+      get api_way_version_path(way, 1)
+
+      assert_response :success
+      assert_dom "osm:root", 1 do
+        assert_dom "> way", 1 do
+          assert_dom "> @id", way.id.to_s
+          assert_dom "> @version", "1"
+        end
+      end
+
+      get api_way_version_path(way, 2)
+
+      assert_response :success
+      assert_dom "osm:root", 1 do
+        assert_dom "> way", 1 do
+          assert_dom "> @id", way.id.to_s
+          assert_dom "> @version", "2"
+        end
+      end
+    end
+
+    ##
+    # test that redacted ways aren't visible, regardless of
+    # authorisation except as moderator...
+    def test_show_redacted_unauthorised
+      way = create(:way, :with_history, :version => 2)
+      way.old_ways.find_by(:version => 1).redact!(create(:redaction))
+
+      get api_way_version_path(way, 1)
+
+      assert_response :forbidden, "Redacted way shouldn't be visible via the version API."
+    end
+
+    def test_show_redacted_normal_user
+      way = create(:way, :with_history, :version => 2)
+      way.old_ways.find_by(:version => 1).redact!(create(:redaction))
+
+      get api_way_version_path(way, 1), :headers => bearer_authorization_header
+
+      assert_response :forbidden, "Redacted way shouldn't be visible via the version API, even when logged in."

     end
 
     ##
     end
 
     ##


@@ -90,11 +188,11 @@ module Api
     # test the redaction of an old version of a way, while being
     # authorised as a normal user.
     def test_redact_way_normal_user
     # test the redaction of an old version of a way, while being
     # authorised as a normal user.
     def test_redact_way_normal_user

-      basic_authorization create(:user).email, "test"
+      auth_header = bearer_authorization_header

       way = create(:way, :with_history, :version => 4)
       way_v3 = way.old_ways.find_by(:version => 3)
 
       way = create(:way, :with_history, :version => 4)
       way_v3 = way.old_ways.find_by(:version => 3)
 

-      do_redact_way(way_v3, create(:redaction))
+      do_redact_way(way_v3, create(:redaction), auth_header)

       assert_response :forbidden, "should need to be moderator to redact."
     end
 
       assert_response :forbidden, "should need to be moderator to redact."
     end
 


@@ -102,48 +200,36 @@ module Api
     # test that, even as moderator, the current version of a way
     # can't be redacted.
     def test_redact_way_current_version
     # test that, even as moderator, the current version of a way
     # can't be redacted.
     def test_redact_way_current_version

-      basic_authorization create(:moderator_user).email, "test"
+      auth_header = bearer_authorization_header create(:moderator_user)

       way = create(:way, :with_history, :version => 4)
       way_latest = way.old_ways.last
 
       way = create(:way, :with_history, :version => 4)
       way_latest = way.old_ways.last
 

-      do_redact_way(way_latest, create(:redaction))
+      do_redact_way(way_latest, create(:redaction), auth_header)

       assert_response :bad_request, "shouldn't be OK to redact current version as moderator."
     end
 
       assert_response :bad_request, "shouldn't be OK to redact current version as moderator."
     end
 

-    ##
-    # test that redacted ways aren't visible, regardless of
-    # authorisation except as moderator...
-    def test_version_redacted
-      way = create(:way, :with_history, :version => 2)
-      way_v1 = way.old_ways.find_by(:version => 1)
-      way_v1.redact!(create(:redaction))
-
-      get :version, :params => { :id => way_v1.way_id, :version => way_v1.version }
-      assert_response :forbidden, "Redacted way shouldn't be visible via the version API."
-
-      # not even to a logged-in user
-      basic_authorization create(:user).email, "test"
-      get :version, :params => { :id => way_v1.way_id, :version => way_v1.version }
-      assert_response :forbidden, "Redacted way shouldn't be visible via the version API, even when logged in."
+    def test_redact_way_by_regular_without_write_redactions_scope
+      auth_header = bearer_authorization_header(create(:user), :scopes => %w[read_prefs write_api])
+      do_redact_redactable_way(auth_header)
+      assert_response :forbidden, "should need to be moderator to redact."

     end
 
     end
 

-    ##
-    # test that redacted ways aren't visible in the history
-    def test_history_redacted
-      way = create(:way, :with_history, :version => 2)
-      way_v1 = way.old_ways.find_by(:version => 1)
-      way_v1.redact!(create(:redaction))
+    def test_redact_way_by_regular_with_write_redactions_scope
+      auth_header = bearer_authorization_header(create(:user), :scopes => %w[write_redactions])
+      do_redact_redactable_way(auth_header)
+      assert_response :forbidden, "should need to be moderator to redact."
+    end

 
 

-      get :history, :params => { :id => way_v1.way_id }
-      assert_response :success, "Redaction shouldn't have stopped history working."
-      assert_select "osm way[id='#{way_v1.way_id}'][version='#{way_v1.version}']", 0, "redacted way #{way_v1.way_id} version #{way_v1.version} shouldn't be present in the history."
+    def test_redact_way_by_moderator_without_write_redactions_scope
+      auth_header = bearer_authorization_header(create(:moderator_user), :scopes => %w[read_prefs write_api])
+      do_redact_redactable_way(auth_header)
+      assert_response :forbidden, "should need to have write_redactions scope to redact."
+    end

 
 

-      # not even to a logged-in user
-      basic_authorization create(:user).email, "test"
-      get :version, :params => { :id => way_v1.way_id, :version => way_v1.version }
-      get :history, :params => { :id => way_v1.way_id }
-      assert_response :success, "Redaction shouldn't have stopped history working."
-      assert_select "osm way[id='#{way_v1.way_id}'][version='#{way_v1.version}']", 0, "redacted node #{way_v1.way_id} version #{way_v1.version} shouldn't be present in the history, even when logged in."
+    def test_redact_way_by_moderator_with_write_redactions_scope
+      auth_header = bearer_authorization_header(create(:moderator_user), :scopes => %w[write_redactions])
+      do_redact_redactable_way(auth_header)
+      assert_response :success, "should be OK to redact old version as moderator with write_redactions scope."

     end
 
     ##
     end
 
     ##


@@ -152,25 +238,19 @@ module Api
     def test_redact_way_moderator
       way = create(:way, :with_history, :version => 4)
       way_v3 = way.old_ways.find_by(:version => 3)
     def test_redact_way_moderator
       way = create(:way, :with_history, :version => 4)
       way_v3 = way.old_ways.find_by(:version => 3)

-      basic_authorization create(:moderator_user).email, "test"
+      auth_header = bearer_authorization_header create(:moderator_user)
+
+      do_redact_way(way_v3, create(:redaction), auth_header)

 
 

-      do_redact_way(way_v3, create(:redaction))

       assert_response :success, "should be OK to redact old version as moderator."
       assert_response :success, "should be OK to redact old version as moderator."

+      assert_predicate way_v3.reload, :redacted?

 
       # check moderator can still see the redacted data, when passing
       # the appropriate flag
 
       # check moderator can still see the redacted data, when passing
       # the appropriate flag

-      get :version, :params => { :id => way_v3.way_id, :version => way_v3.version }
+      get api_way_version_path(way_v3.way_id, way_v3.version), :headers => auth_header

       assert_response :forbidden, "After redaction, node should be gone for moderator, when flag not passed."
       assert_response :forbidden, "After redaction, node should be gone for moderator, when flag not passed."

-      get :version, :params => { :id => way_v3.way_id, :version => way_v3.version, :show_redactions => "true" }
+      get api_way_version_path(way_v3.way_id, way_v3.version, :show_redactions => "true"), :headers => auth_header

       assert_response :success, "After redaction, node should not be gone for moderator, when flag passed."
       assert_response :success, "After redaction, node should not be gone for moderator, when flag passed."

-
-      # and when accessed via history
-      get :history, :params => { :id => way_v3.way_id }
-      assert_response :success, "Redaction shouldn't have stopped history working."
-      assert_select "osm way[id='#{way_v3.way_id}'][version='#{way_v3.version}']", 0, "way #{way_v3.way_id} version #{way_v3.version} should not be present in the history for moderators when not passing flag."
-      get :history, :params => { :id => way_v3.way_id, :show_redactions => "true" }
-      assert_response :success, "Redaction shouldn't have stopped history working."
-      assert_select "osm way[id='#{way_v3.way_id}'][version='#{way_v3.version}']", 1, "way #{way_v3.way_id} version #{way_v3.version} should still be present in the history for moderators when passing flag."

     end
 
     # testing that if the moderator drops auth, he can't see the
     end
 
     # testing that if the moderator drops auth, he can't see the


@@ -178,22 +258,17 @@ module Api
     def test_redact_way_is_redacted
       way = create(:way, :with_history, :version => 4)
       way_v3 = way.old_ways.find_by(:version => 3)
     def test_redact_way_is_redacted
       way = create(:way, :with_history, :version => 4)
       way_v3 = way.old_ways.find_by(:version => 3)

-      basic_authorization create(:moderator_user).email, "test"
+      auth_header = bearer_authorization_header create(:moderator_user)

 
 

-      do_redact_way(way_v3, create(:redaction))
+      do_redact_way(way_v3, create(:redaction), auth_header)

       assert_response :success, "should be OK to redact old version as moderator."
 
       # re-auth as non-moderator
       assert_response :success, "should be OK to redact old version as moderator."
 
       # re-auth as non-moderator

-      basic_authorization create(:user).email, "test"
+      auth_header = bearer_authorization_header

 
       # check can't see the redacted data
 
       # check can't see the redacted data

-      get :version, :params => { :id => way_v3.way_id, :version => way_v3.version }
+      get api_way_version_path(way_v3.way_id, way_v3.version), :headers => auth_header

       assert_response :forbidden, "Redacted node shouldn't be visible via the version API."
       assert_response :forbidden, "Redacted node shouldn't be visible via the version API."

-
-      # and when accessed via history
-      get :history, :params => { :id => way_v3.way_id }
-      assert_response :success, "Redaction shouldn't have stopped history working."
-      assert_select "osm way[id='#{way_v3.way_id}'][version='#{way_v3.version}']", 0, "redacted way #{way_v3.way_id} version #{way_v3.version} shouldn't be present in the history."

     end
 
     ##
     end
 
     ##


@@ -204,7 +279,7 @@ module Api
       way_v1 = way.old_ways.find_by(:version => 1)
       way_v1.redact!(create(:redaction))
 
       way_v1 = way.old_ways.find_by(:version => 1)
       way_v1.redact!(create(:redaction))
 

-      post :redact, :params => { :id => way_v1.way_id, :version => way_v1.version }
+      post way_version_redact_path(way_v1.way_id, way_v1.version)

       assert_response :unauthorized, "should need to be authenticated to unredact."
     end
 
       assert_response :unauthorized, "should need to be authenticated to unredact."
     end
 


@@ -216,9 +291,9 @@ module Api
       way_v1 = way.old_ways.find_by(:version => 1)
       way_v1.redact!(create(:redaction))
 
       way_v1 = way.old_ways.find_by(:version => 1)
       way_v1.redact!(create(:redaction))
 

-      basic_authorization create(:user).email, "test"
+      auth_header = bearer_authorization_header

 
 

-      post :redact, :params => { :id => way_v1.way_id, :version => way_v1.version }
+      post way_version_redact_path(way_v1.way_id, way_v1.version), :headers => auth_header

       assert_response :forbidden, "should need to be moderator to unredact."
     end
 
       assert_response :forbidden, "should need to be moderator to unredact."
     end
 


@@ -231,61 +306,42 @@ module Api
       way_v1 = way.old_ways.find_by(:version => 1)
       way_v1.redact!(create(:redaction))
 
       way_v1 = way.old_ways.find_by(:version => 1)
       way_v1.redact!(create(:redaction))
 

-      basic_authorization moderator_user.email, "test"
+      auth_header = bearer_authorization_header moderator_user

 
 

-      post :redact, :params => { :id => way_v1.way_id, :version => way_v1.version }
+      post way_version_redact_path(way_v1.way_id, way_v1.version), :headers => auth_header

       assert_response :success, "should be OK to unredact old version as moderator."
 
       # check moderator can still see the unredacted data, without passing
       # the appropriate flag
       assert_response :success, "should be OK to unredact old version as moderator."
 
       # check moderator can still see the unredacted data, without passing
       # the appropriate flag

-      get :version, :params => { :id => way_v1.way_id, :version => way_v1.version }
+      get api_way_version_path(way_v1.way_id, way_v1.version), :headers => auth_header

       assert_response :success, "After unredaction, node should not be gone for moderator."
 
       # and when accessed via history
       assert_response :success, "After unredaction, node should not be gone for moderator."
 
       # and when accessed via history

-      get :history, :params => { :id => way_v1.way_id }
+      get api_way_versions_path(way), :headers => auth_header

       assert_response :success, "Unredaction shouldn't have stopped history working."
       assert_response :success, "Unredaction shouldn't have stopped history working."

-      assert_select "osm way[id='#{way_v1.way_id}'][version='#{way_v1.version}']", 1, "way #{way_v1.way_id} version #{way_v1.version} should still be present in the history for moderators."
+      assert_select "osm way[id='#{way_v1.way_id}'][version='#{way_v1.version}']", 1,
+                    "way #{way_v1.way_id} version #{way_v1.version} should still be present in the history for moderators."

 
 

-      basic_authorization create(:user).email, "test"
+      auth_header = bearer_authorization_header

 
       # check normal user can now see the unredacted data
 
       # check normal user can now see the unredacted data

-      get :version, :params => { :id => way_v1.way_id, :version => way_v1.version }
+      get api_way_version_path(way_v1.way_id, way_v1.version), :headers => auth_header

       assert_response :success, "After redaction, node should not be gone for moderator, when flag passed."
 
       # and when accessed via history
       assert_response :success, "After redaction, node should not be gone for moderator, when flag passed."
 
       # and when accessed via history

-      get :history, :params => { :id => way_v1.way_id }
+      get api_way_versions_path(way), :headers => auth_header

       assert_response :success, "Redaction shouldn't have stopped history working."
       assert_response :success, "Redaction shouldn't have stopped history working."

-      assert_select "osm way[id='#{way_v1.way_id}'][version='#{way_v1.version}']", 1, "way #{way_v1.way_id} version #{way_v1.version} should still be present in the history for normal users."
+      assert_select "osm way[id='#{way_v1.way_id}'][version='#{way_v1.version}']", 1,
+                    "way #{way_v1.way_id} version #{way_v1.version} should still be present in the history for normal users."

     end
 
     private
 
     end
 
     private
 

-    ##
-    # check that the current version of a way is equivalent to the
-    # version which we're getting from the versions call.
-    def check_current_version(way_id)
-      # get the current version
-      current_way = with_controller(WaysController.new) do
-        get :show, :params => { :id => way_id }
-        assert_response :success, "can't get current way #{way_id}"
-        Way.from_xml(@response.body)
-      end
-      assert_not_nil current_way, "getting way #{way_id} returned nil"
-
-      # get the "old" version of the way from the version method
-      get :version, :params => { :id => way_id, :version => current_way.version }
-      assert_response :success, "can't get old way #{way_id}, v#{current_way.version}"
-      old_way = Way.from_xml(@response.body)
-
-      # check that the ways are identical
-      assert_ways_are_equal current_way, old_way
-    end
-

     ##
     # look at all the versions of the way in the history and get each version from
     # the versions call. check that they're the same.
     def check_history_equals_versions(way_id)
     ##
     # look at all the versions of the way in the history and get each version from
     # the versions call. check that they're the same.
     def check_history_equals_versions(way_id)

-      get :history, :params => { :id => way_id }
+      get api_way_versions_path(way_id)

       assert_response :success, "can't get way #{way_id} from API"
       history_doc = XML::Parser.string(@response.body).parse
       assert_not_nil history_doc, "parsing way #{way_id} history failed"
       assert_response :success, "can't get way #{way_id} from API"
       history_doc = XML::Parser.string(@response.body).parse
       assert_not_nil history_doc, "parsing way #{way_id} history failed"


@@ -294,7 +350,7 @@ module Api
         history_way = Way.from_xml_node(way_doc)
         assert_not_nil history_way, "parsing way #{way_id} version failed"
 
         history_way = Way.from_xml_node(way_doc)
         assert_not_nil history_way, "parsing way #{way_id} version failed"
 

-        get :version, :params => { :id => way_id, :version => history_way.version }
+        get api_way_version_path(way_id, history_way.version)

         assert_response :success, "couldn't get way #{way_id}, v#{history_way.version}"
         version_way = Way.from_xml(@response.body)
         assert_not_nil version_way, "failed to parse #{way_id}, v#{history_way.version}"
         assert_response :success, "couldn't get way #{way_id}, v#{history_way.version}"
         version_way = Way.from_xml(@response.body)
         assert_not_nil version_way, "failed to parse #{way_id}, v#{history_way.version}"


@@ -303,18 +359,18 @@ module Api
       end
     end
 
       end
     end
 

-    def do_redact_way(way, redaction)
-      get :version, :params => { :id => way.way_id, :version => way.version }
+    def do_redact_redactable_way(headers = {})
+      way = create(:way, :with_history, :version => 4)
+      way_v3 = way.old_ways.find_by(:version => 3)
+      do_redact_way(way_v3, create(:redaction), headers)
+    end
+
+    def do_redact_way(way, redaction, headers = {})
+      get api_way_version_path(way.way_id, way.version)

       assert_response :success, "should be able to get version #{way.version} of way #{way.way_id}."
 
       # now redact it
       assert_response :success, "should be able to get version #{way.version} of way #{way.way_id}."
 
       # now redact it

-      post :redact, :params => { :id => way.way_id, :version => way.version, :redaction => redaction.id }
-    end
-
-    def propagate_tags(way, old_way)
-      way.tags.each do |k, v|
-        create(:old_way_tag, :old_way => old_way, :k => k, :v => v)
-      end
+      post way_version_redact_path(way.way_id, way.version), :params => { :redaction => redaction.id }, :headers => headers

     end
   end
 end
     end
   end
 end