Merge remote-tracking branch 'upstream/pull/5394'

[rails.git] / test / controllers / changesets_controller_test.rb

diff --git a/test/controllers/changesets_controller_test.rb b/test/controllers/changesets_controller_test.rb
index e754e32b71dac1ed67829c099b98596cf0f61c3f..a486e4b5ee87f98f955fe1de82d5647ec93d4cc1 100644 (file)
--- a/test/controllers/changesets_controller_test.rb
+++ b/test/controllers/changesets_controller_test.rb
@@ -1,9 +1,13 @@
 require "test_helper"
 
 require "test_helper"
 

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

   ##
   # test all routes which lead to this controller
   def test_routes
   ##
   # test all routes which lead to this controller
   def test_routes

+    assert_routing(
+      { :path => "/changeset/1", :method => :get },
+      { :controller => "changesets", :action => "show", :id => "1" }
+    )

     assert_routing(
       { :path => "/user/name/history", :method => :get },
       { :controller => "changesets", :action => "index", :display_name => "name" }
     assert_routing(
       { :path => "/user/name/history", :method => :get },
       { :controller => "changesets", :action => "index", :display_name => "name" }


@@ -28,68 +32,124 @@ class ChangesetsControllerTest < ActionController::TestCase
       { :path => "/history/feed", :method => :get },
       { :controller => "changesets", :action => "feed", :format => :atom }
     )
       { :path => "/history/feed", :method => :get },
       { :controller => "changesets", :action => "feed", :format => :atom }
     )

+    assert_routing(
+      { :path => "/changeset/1/subscribe", :method => :get },
+      { :controller => "changesets", :action => "subscribe", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/changeset/1/subscribe", :method => :post },
+      { :controller => "changesets", :action => "subscribe", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/changeset/1/unsubscribe", :method => :get },
+      { :controller => "changesets", :action => "unsubscribe", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/changeset/1/unsubscribe", :method => :post },
+      { :controller => "changesets", :action => "unsubscribe", :id => "1" }
+    )

   end
 
   ##
   # This should display the last 20 changesets closed
   def test_index
   end
 
   ##
   # This should display the last 20 changesets closed
   def test_index

-    get :index, :params => { :format => "html" }
+    changesets = create_list(:changeset, 30, :num_changes => 1)
+
+    get history_path(:format => "html")

     assert_response :success
     assert_template "history"
     assert_template :layout => "map"
     assert_select "h2", :text => "Changesets", :count => 1
     assert_response :success
     assert_template "history"
     assert_template :layout => "map"
     assert_select "h2", :text => "Changesets", :count => 1

+    assert_select "link[rel='alternate'][type='application/atom+xml']", :count => 1 do
+      assert_select "[href=?]", "http://www.example.com/history/feed"
+    end

 
 

-    get :index, :params => { :format => "html", :list => "1" }, :xhr => true
+    get history_path(:format => "html", :list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.all)
+    check_index_result(changesets.last(20))

   end
 
   ##
   # This should display the last 20 changesets closed
   def test_index_xhr
   end
 
   ##
   # This should display the last 20 changesets closed
   def test_index_xhr

-    get :index, :params => { :format => "html" }, :xhr => true
+    changesets = create_list(:changeset, 30, :num_changes => 1)
+
+    get history_path(:format => "html"), :xhr => true

     assert_response :success
     assert_template "history"
     assert_template :layout => "xhr"
     assert_select "h2", :text => "Changesets", :count => 1
     assert_response :success
     assert_template "history"
     assert_template :layout => "xhr"
     assert_select "h2", :text => "Changesets", :count => 1

+    assert_select "link[rel='alternate'][type='application/atom+xml']", :count => 1 do
+      assert_select "[href=?]", "http://www.example.com/history/feed"
+    end

 
 

-    get :index, :params => { :format => "html", :list => "1" }, :xhr => true
+    get history_path(:format => "html", :list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.all)
+    check_index_result(changesets.last(20))
+  end
+
+  ##
+  # This should report an error
+  def test_index_invalid_xhr
+    %w[-1 0 fred].each do |id|
+      get history_path(:format => "html", :list => "1", :max_id => id)
+      assert_redirected_to :controller => :errors, :action => :bad_request
+    end

   end
 
   ##
   # This should display the last 20 changesets closed in a specific area
   def test_index_bbox
   end
 
   ##
   # This should display the last 20 changesets closed in a specific area
   def test_index_bbox

-    get :index, :params => { :format => "html", :bbox => "4.5,4.5,5.5,5.5" }
+    changesets = create_list(:changeset, 10, :num_changes => 1, :min_lat => 50000000, :max_lat => 50000001, :min_lon => 50000000, :max_lon => 50000001)
+    other_changesets = create_list(:changeset, 10, :num_changes => 1, :min_lat => 0, :max_lat => 1, :min_lon => 0, :max_lon => 1)
+
+    # First check they all show up without a bbox parameter
+    get history_path(:format => "html", :list => "1"), :xhr => true
+    assert_response :success
+    assert_template "index"
+    check_index_result(changesets + other_changesets)
+
+    # Then check with bbox parameter
+    get history_path(:format => "html", :bbox => "4.5,4.5,5.5,5.5")

     assert_response :success
     assert_template "history"
     assert_template :layout => "map"
     assert_select "h2", :text => "Changesets", :count => 1
     assert_response :success
     assert_template "history"
     assert_template :layout => "map"
     assert_select "h2", :text => "Changesets", :count => 1

+    assert_select "link[rel='alternate'][type='application/atom+xml']", :count => 1 do
+      assert_select "[href=?]", "http://www.example.com/history/feed?bbox=4.5%2C4.5%2C5.5%2C5.5"
+    end

 
 

-    get :index, :params => { :format => "html", :bbox => "4.5,4.5,5.5,5.5", :list => "1" }, :xhr => true
+    get history_path(:format => "html", :bbox => "4.5,4.5,5.5,5.5", :list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.where("min_lon < 55000000 and max_lon > 45000000 and min_lat < 55000000 and max_lat > 45000000"))
+    check_index_result(changesets)

   end
 
   ##
   # Checks the display of the user changesets listing
   def test_index_user
     user = create(:user)
   end
 
   ##
   # Checks the display of the user changesets listing
   def test_index_user
     user = create(:user)

-    create(:changeset, :user => user)
-    create(:changeset, :closed, :user => user)
+    create(:changeset, :user => user, :num_changes => 1)
+    create(:changeset, :closed, :user => user, :num_changes => 1)
+    user.reload

 
 

-    get :index, :params => { :format => "html", :display_name => user.display_name }
+    get history_path(:format => "html", :display_name => user.display_name)

     assert_response :success
     assert_template "history"
     assert_response :success
     assert_template "history"

+    assert_template :layout => "map"
+    assert_select "h2", :text => "Changesets by #{user.display_name}", :count => 1 do
+      assert_select "a[href=?]", user_path(user)
+    end
+    assert_select "link[rel='alternate'][type='application/atom+xml']", :count => 1 do
+      assert_select "[href=?]", "http://www.example.com/user/#{ERB::Util.url_encode(user.display_name)}/history/feed"
+    end

 
 

-    get :index, :params => { :format => "html", :display_name => user.display_name, :list => "1" }, :xhr => true
+    get history_path(:format => "html", :display_name => user.display_name, :list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 


@@ -103,25 +163,25 @@ class ChangesetsControllerTest < ActionController::TestCase
     create(:changeset, :user => private_user)
     create(:changeset, :closed, :user => private_user)
 
     create(:changeset, :user => private_user)
     create(:changeset, :closed, :user => private_user)
 

-    get :index, :params => { :format => "html", :display_name => private_user.display_name }
+    get history_path(:format => "html", :display_name => private_user.display_name)

     assert_response :success
     assert_template "history"
 
     assert_response :success
     assert_template "history"
 

-    get :index, :params => { :format => "html", :display_name => private_user.display_name, :list => "1" }, :xhr => true
+    get history_path(:format => "html", :display_name => private_user.display_name, :list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.none)
+    check_index_result([])

   end
 
   ##
   # Check the not found of the index user changesets
   def test_index_user_not_found
   end
 
   ##
   # Check the not found of the index user changesets
   def test_index_user_not_found

-    get :index, :params => { :format => "html", :display_name => "Some random user" }
+    get history_path(:format => "html", :display_name => "Some random user")

     assert_response :not_found
     assert_template "users/no_such_user"
 
     assert_response :not_found
     assert_template "users/no_such_user"
 

-    get :index, :params => { :format => "html", :display_name => "Some random user", :list => "1" }, :xhr => true
+    get history_path(:format => "html", :display_name => "Some random user", :list => "1"), :xhr => true

     assert_response :not_found
     assert_template "users/no_such_user"
   end
     assert_response :not_found
     assert_template "users/no_such_user"
   end


@@ -131,23 +191,23 @@ class ChangesetsControllerTest < ActionController::TestCase
   def test_index_friends
     private_user = create(:user, :data_public => true)
     friendship = create(:friendship, :befriender => private_user)
   def test_index_friends
     private_user = create(:user, :data_public => true)
     friendship = create(:friendship, :befriender => private_user)

-    create(:changeset, :user => friendship.befriendee)
+    changeset = create(:changeset, :user => friendship.befriendee, :num_changes => 1)
+    _changeset2 = create(:changeset, :user => create(:user), :num_changes => 1)

 
 

-    get :index, :params => { :friends => true }
-    assert_response :redirect
-    assert_redirected_to :controller => :users, :action => :login, :referer => friend_changesets_path
+    get friend_changesets_path
+    assert_redirected_to login_path(:referer => friend_changesets_path)

 
 

-    session[:user] = private_user.id
+    session_for(private_user)

 
 

-    get :index, :params => { :friends => true }
+    get friend_changesets_path

     assert_response :success
     assert_template "history"
 
     assert_response :success
     assert_template "history"
 

-    get :index, :params => { :friends => true, :list => "1" }, :xhr => true
+    get friend_changesets_path(:list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.where(:user => private_user.friends.identifiable))
+    check_index_result([changeset])

   end
 
   ##
   end
 
   ##


@@ -155,39 +215,43 @@ class ChangesetsControllerTest < ActionController::TestCase
   def test_index_nearby
     private_user = create(:user, :data_public => false, :home_lat => 51.1, :home_lon => 1.0)
     user = create(:user, :home_lat => 51.0, :home_lon => 1.0)
   def test_index_nearby
     private_user = create(:user, :data_public => false, :home_lat => 51.1, :home_lon => 1.0)
     user = create(:user, :home_lat => 51.0, :home_lon => 1.0)

-    create(:changeset, :user => user)
+    far_away_user = create(:user, :home_lat => 51.0, :home_lon => 130)
+    changeset = create(:changeset, :user => user, :num_changes => 1)
+    _changeset2 = create(:changeset, :user => far_away_user, :num_changes => 1)

 
 

-    get :index, :params => { :nearby => true }
-    assert_response :redirect
-    assert_redirected_to :controller => :users, :action => :login, :referer => nearby_changesets_path
+    get nearby_changesets_path
+    assert_redirected_to login_path(:referer => nearby_changesets_path)

 
 

-    session[:user] = private_user.id
+    session_for(private_user)

 
 

-    get :index, :params => { :nearby => true }
+    get nearby_changesets_path

     assert_response :success
     assert_template "history"
 
     assert_response :success
     assert_template "history"
 

-    get :index, :params => { :nearby => true, :list => "1" }, :xhr => true
+    get nearby_changesets_path(:list => "1"), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.where(:user => user.nearby))
+    check_index_result([changeset])

   end
 
   ##
   # Check that we can't request later pages of the changesets index
   def test_index_max_id
   end
 
   ##
   # Check that we can't request later pages of the changesets index
   def test_index_max_id

-    get :index, :params => { :format => "html", :max_id => 4 }, :xhr => true
+    changeset = create(:changeset, :num_changes => 1)
+    _changeset2 = create(:changeset, :num_changes => 1)
+
+    get history_path(:format => "html", :max_id => changeset.id), :xhr => true

     assert_response :success
     assert_template "history"
     assert_template :layout => "xhr"
     assert_select "h2", :text => "Changesets", :count => 1
 
     assert_response :success
     assert_template "history"
     assert_template :layout => "xhr"
     assert_select "h2", :text => "Changesets", :count => 1
 

-    get :index, :params => { :format => "html", :list => "1", :max_id => 4 }, :xhr => true
+    get history_path(:format => "html", :list => "1", :max_id => changeset.id), :xhr => true

     assert_response :success
     assert_template "index"
 
     assert_response :success
     assert_template "index"
 

-    check_index_result(Changeset.where("id <= 4"))
+    check_index_result([changeset])

   end
 
   ##
   end
 
   ##


@@ -195,13 +259,97 @@ class ChangesetsControllerTest < ActionController::TestCase
   def test_index_more
     create_list(:changeset, 50)
 
   def test_index_more
     create_list(:changeset, 50)
 

-    get :index, :params => { :format => "html" }
+    get history_path(:format => "html")

     assert_response :success
 
     assert_response :success
 

-    get :index, :params => { :format => "html" }, :xhr => true
+    get history_path(:format => "html"), :xhr => true

     assert_response :success
   end
 
     assert_response :success
   end
 

+  def test_show
+    changeset = create(:changeset)
+    create(:changeset_tag, :changeset => changeset, :k => "comment", :v => "tested-changeset-comment")
+    commenting_user = create(:user)
+    changeset_comment = create(:changeset_comment, :changeset => changeset, :author => commenting_user, :body => "Unwanted comment")
+
+    sidebar_browse_check :changeset_path, changeset.id, "changesets/show"
+    assert_dom "h2", :text => "Changeset: #{changeset.id}"
+    assert_dom "p", :text => "tested-changeset-comment"
+    assert_dom "li#c#{changeset_comment.id}" do
+      assert_dom "> small", :text => /^Comment from #{commenting_user.display_name}/
+      assert_dom "a[href='#{user_path(commenting_user)}']"
+    end
+  end
+
+  def test_show_closed_changeset
+    changeset = create(:changeset, :closed)
+
+    sidebar_browse_check :changeset_path, changeset.id, "changesets/show"
+  end
+
+  def test_show_private_changeset
+    user = create(:user)
+    changeset = create(:changeset, :user => create(:user, :data_public => false))
+    create(:changeset, :user => user)
+
+    sidebar_browse_check :changeset_path, changeset.id, "changesets/show"
+  end
+
+  def test_show_element_links
+    changeset = create(:changeset)
+    node = create(:node, :with_history, :changeset => changeset)
+    way = create(:way, :with_history, :changeset => changeset)
+    relation = create(:relation, :with_history, :changeset => changeset)
+
+    sidebar_browse_check :changeset_path, changeset.id, "changesets/show"
+    assert_dom "a[href='#{node_path node}']", :count => 1
+    assert_dom "a[href='#{old_node_path node, 1}']", :count => 1
+    assert_dom "a[href='#{way_path way}']", :count => 1
+    assert_dom "a[href='#{old_way_path way, 1}']", :count => 1
+    assert_dom "a[href='#{relation_path relation}']", :count => 1
+    assert_dom "a[href='#{old_relation_path relation, 1}']", :count => 1
+  end
+
+  def test_show_paginated_element_links
+    page_size = 20
+    changeset = create(:changeset)
+    nodes = create_list(:node, page_size + 1, :with_history, :changeset => changeset)
+    ways = create_list(:way, page_size + 1, :with_history, :changeset => changeset)
+    relations = create_list(:relation, page_size + 1, :with_history, :changeset => changeset)
+
+    sidebar_browse_check :changeset_path, changeset.id, "changesets/show"
+    page_size.times do |i|
+      assert_dom "a[href='#{node_path nodes[i]}']", :count => 1
+      assert_dom "a[href='#{old_node_path nodes[i], 1}']", :count => 1
+      assert_dom "a[href='#{way_path ways[i]}']", :count => 1
+      assert_dom "a[href='#{old_way_path ways[i], 1}']", :count => 1
+      assert_dom "a[href='#{relation_path relations[i]}']", :count => 1
+      assert_dom "a[href='#{old_relation_path relations[i], 1}']", :count => 1
+    end
+  end
+
+  def test_show_adjacent_changesets
+    user = create(:user)
+    changesets = create_list(:changeset, 3, :user => user, :num_changes => 1)
+
+    sidebar_browse_check :changeset_path, changesets[1].id, "changesets/show"
+    assert_dom "a[href='#{changeset_path changesets[0]}']", :count => 1
+    assert_dom "a[href='#{changeset_path changesets[2]}']", :count => 1
+  end
+
+  def test_show_adjacent_nonempty_changesets
+    user = create(:user)
+    changeset1 = create(:changeset, :user => user, :num_changes => 1)
+    create(:changeset, :user => user, :num_changes => 0)
+    changeset3 = create(:changeset, :user => user, :num_changes => 1)
+    create(:changeset, :user => user, :num_changes => 0)
+    changeset5 = create(:changeset, :user => user, :num_changes => 1)
+
+    sidebar_browse_check :changeset_path, changeset3.id, "changesets/show"
+    assert_dom "a[href='#{changeset_path changeset1}']", :count => 1
+    assert_dom "a[href='#{changeset_path changeset5}']", :count => 1
+  end
+

   ##
   # This should display the last 20 non-empty changesets
   def test_feed
   ##
   # This should display the last 20 non-empty changesets
   def test_feed


@@ -209,14 +357,29 @@ class ChangesetsControllerTest < ActionController::TestCase
     create(:changeset_tag, :changeset => changeset)
     create(:changeset_tag, :changeset => changeset, :k => "website", :v => "http://example.com/")
     closed_changeset = create(:changeset, :closed, :num_changes => 1)
     create(:changeset_tag, :changeset => changeset)
     create(:changeset_tag, :changeset => changeset, :k => "website", :v => "http://example.com/")
     closed_changeset = create(:changeset, :closed, :num_changes => 1)

+    create(:changeset_tag, :changeset => closed_changeset, :k => "website", :v => "https://osm.org/")

     _empty_changeset = create(:changeset, :num_changes => 0)
 
     _empty_changeset = create(:changeset, :num_changes => 0)
 

-    get :feed, :params => { :format => :atom }
+    get history_feed_path(:format => :atom)
+    assert_response :success
+    assert_template "index"
+    assert_equal "application/atom+xml", response.media_type
+
+    check_feed_result([closed_changeset, changeset])
+  end
+
+  ##
+  # This should correctly escape XML special characters in the comment
+  def test_feed_with_comment_tag
+    changeset = create(:changeset, :num_changes => 1)
+    create(:changeset_tag, :changeset => changeset, :k => "comment", :v => "tested<changeset>comment")
+
+    get history_feed_path(:format => :atom)

     assert_response :success
     assert_template "index"
     assert_equal "application/atom+xml", response.media_type
 
     assert_response :success
     assert_template "index"
     assert_equal "application/atom+xml", response.media_type
 

-    check_feed_result([changeset, closed_changeset])
+    check_feed_result([changeset])

   end
 
   ##
   end
 
   ##


@@ -229,12 +392,12 @@ class ChangesetsControllerTest < ActionController::TestCase
     _elsewhere_changeset = create(:changeset, :num_changes => 1, :min_lat => -5 * GeoRecord::SCALE, :min_lon => -5 * GeoRecord::SCALE, :max_lat => -5 * GeoRecord::SCALE, :max_lon => -5 * GeoRecord::SCALE)
     _empty_changeset = create(:changeset, :num_changes => 0, :min_lat => -5 * GeoRecord::SCALE, :min_lon => -5 * GeoRecord::SCALE, :max_lat => -5 * GeoRecord::SCALE, :max_lon => -5 * GeoRecord::SCALE)
 
     _elsewhere_changeset = create(:changeset, :num_changes => 1, :min_lat => -5 * GeoRecord::SCALE, :min_lon => -5 * GeoRecord::SCALE, :max_lat => -5 * GeoRecord::SCALE, :max_lon => -5 * GeoRecord::SCALE)
     _empty_changeset = create(:changeset, :num_changes => 0, :min_lat => -5 * GeoRecord::SCALE, :min_lon => -5 * GeoRecord::SCALE, :max_lat => -5 * GeoRecord::SCALE, :max_lon => -5 * GeoRecord::SCALE)
 

-    get :feed, :params => { :format => :atom, :bbox => "4.5,4.5,5.5,5.5" }
+    get history_feed_path(:format => :atom, :bbox => "4.5,4.5,5.5,5.5")

     assert_response :success
     assert_template "index"
     assert_equal "application/atom+xml", response.media_type
 
     assert_response :success
     assert_template "index"
     assert_equal "application/atom+xml", response.media_type
 

-    check_feed_result([changeset, closed_changeset])
+    check_feed_result([closed_changeset, changeset])

   end
 
   ##
   end
 
   ##


@@ -246,40 +409,147 @@ class ChangesetsControllerTest < ActionController::TestCase
     create(:changeset_tag, :changeset => changesets[1], :k => "website", :v => "http://example.com/")
     _other_changeset = create(:changeset)
 
     create(:changeset_tag, :changeset => changesets[1], :k => "website", :v => "http://example.com/")
     _other_changeset = create(:changeset)
 

-    get :feed, :params => { :format => :atom, :display_name => user.display_name }
+    get history_feed_path(:format => :atom, :display_name => user.display_name)

 
     assert_response :success
     assert_template "index"
     assert_equal "application/atom+xml", response.media_type
 
 
     assert_response :success
     assert_template "index"
     assert_equal "application/atom+xml", response.media_type
 

-    check_feed_result(changesets)
+    check_feed_result(changesets.reverse)

   end
 
   ##
   # Check the not found of the user changesets feed
   def test_feed_user_not_found
   end
 
   ##
   # Check the not found of the user changesets feed
   def test_feed_user_not_found

-    get :feed, :params => { :format => "atom", :display_name => "Some random user" }
+    get history_feed_path(:format => "atom", :display_name => "Some random user")

     assert_response :not_found
   end
 
   ##
   # Check that we can't request later pages of the changesets feed
   def test_feed_max_id
     assert_response :not_found
   end
 
   ##
   # Check that we can't request later pages of the changesets feed
   def test_feed_max_id

-    get :feed, :params => { :format => "atom", :max_id => 100 }
-    assert_response :redirect
+    get history_feed_path(:format => "atom", :max_id => 100)

     assert_redirected_to :action => :feed
   end
 
     assert_redirected_to :action => :feed
   end
 

+  def test_subscribe_page
+    user = create(:user)
+    other_user = create(:user)
+    changeset = create(:changeset, :user => user)
+    path = subscribe_changeset_path(changeset)
+
+    get path
+    assert_redirected_to login_path(:referer => path)
+
+    session_for(other_user)
+    get path
+    assert_response :success
+    assert_dom ".content-body" do
+      assert_dom "a[href='#{changeset_path(changeset)}']", :text => "Changeset #{changeset.id}"
+      assert_dom "a[href='#{user_path(user)}']", :text => user.display_name
+    end
+  end
+
+  def test_subscribe_success
+    user = create(:user)
+    other_user = create(:user)
+    changeset = create(:changeset, :user => user)
+
+    session_for(other_user)
+    assert_difference "changeset.subscribers.count", 1 do
+      post subscribe_changeset_path(changeset)
+    end
+    assert_redirected_to changeset_path(changeset)
+    assert changeset.reload.subscribed?(other_user)
+  end
+
+  def test_subscribe_fail
+    user = create(:user)
+    other_user = create(:user)
+
+    changeset = create(:changeset, :user => user)
+
+    # not signed in
+    assert_no_difference "changeset.subscribers.count" do
+      post subscribe_changeset_path(changeset)
+    end
+    assert_response :forbidden
+
+    session_for(other_user)
+
+    # bad diary id
+    post subscribe_changeset_path(999111)
+    assert_response :not_found
+
+    # trying to subscribe when already subscribed
+    post subscribe_changeset_path(changeset)
+    assert_no_difference "changeset.subscribers.count" do
+      post subscribe_changeset_path(changeset)
+    end
+  end
+
+  def test_unsubscribe_page
+    user = create(:user)
+    other_user = create(:user)
+    changeset = create(:changeset, :user => user)
+    path = unsubscribe_changeset_path(changeset)
+
+    get path
+    assert_redirected_to login_path(:referer => path)
+
+    session_for(other_user)
+    get path
+    assert_response :success
+    assert_dom ".content-body" do
+      assert_dom "a[href='#{changeset_path(changeset)}']", :text => "Changeset #{changeset.id}"
+      assert_dom "a[href='#{user_path(user)}']", :text => user.display_name
+    end
+  end
+
+  def test_unsubscribe_success
+    user = create(:user)
+    other_user = create(:user)
+
+    changeset = create(:changeset, :user => user)
+    changeset.subscribers.push(other_user)
+
+    session_for(other_user)
+    assert_difference "changeset.subscribers.count", -1 do
+      post unsubscribe_changeset_path(changeset)
+    end
+    assert_redirected_to changeset_path(changeset)
+    assert_not changeset.reload.subscribed?(other_user)
+  end
+
+  def test_unsubscribe_fail
+    user = create(:user)
+    other_user = create(:user)
+
+    changeset = create(:changeset, :user => user)
+
+    # not signed in
+    assert_no_difference "changeset.subscribers.count" do
+      post unsubscribe_changeset_path(changeset)
+    end
+    assert_response :forbidden
+
+    session_for(other_user)
+
+    # bad diary id
+    post unsubscribe_changeset_path(999111)
+    assert_response :not_found
+
+    # trying to unsubscribe when not subscribed
+    assert_no_difference "changeset.subscribers.count" do
+      post unsubscribe_changeset_path(changeset)
+    end
+  end
+

   private
 
   ##
   # check the result of a index
   def check_index_result(changesets)
   private
 
   ##
   # check the result of a index
   def check_index_result(changesets)

-    changesets = changesets.where("num_changes > 0")
-                           .order(:created_at => :desc)
-                           .limit(20)
-    assert changesets.size <= 20
-

     assert_select "ol.changesets", :count => [changesets.size, 1].min do
       assert_select "li", :count => changesets.size
 
     assert_select "ol.changesets", :count => [changesets.size, 1].min do
       assert_select "li", :count => changesets.size
 


@@ -292,14 +562,33 @@ class ChangesetsControllerTest < ActionController::TestCase
   ##
   # check the result of a feed
   def check_feed_result(changesets)
   ##
   # check the result of a feed
   def check_feed_result(changesets)

-    assert changesets.size <= 20
+    assert_operator changesets.size, :<=, 20

 
     assert_select "feed", :count => [changesets.size, 1].min do
       assert_select "> title", :count => 1, :text => /^Changesets/
 
     assert_select "feed", :count => [changesets.size, 1].min do
       assert_select "> title", :count => 1, :text => /^Changesets/

-      assert_select "> entry", :count => changesets.size
-
-      changesets.each do |changeset|
-        assert_select "> entry > id", changeset_url(:id => changeset.id)
+      assert_select "> entry", :count => changesets.size do |entries|
+        entries.zip(changesets) do |entry, changeset|
+          assert_select entry, "> id", :text => changeset_url(:id => changeset.id)
+
+          changeset_comment = changeset.tags["comment"]
+          if changeset_comment
+            assert_select entry, "> title", :count => 1, :text => "Changeset #{changeset.id} - #{changeset_comment}"
+          else
+            assert_select entry, "> title", :count => 1, :text => "Changeset #{changeset.id}"
+          end
+
+          assert_select entry, "> content > xhtml|div > xhtml|table" do
+            if changeset.tags.empty?
+              assert_select "> xhtml|tr > xhtml|td > xhtml|table", :count => 0
+            else
+              assert_select "> xhtml|tr > xhtml|td > xhtml|table", :count => 1 do
+                changeset.tags.each_key do |key|
+                  assert_select "> xhtml|tr > xhtml|td", :text => /^#{key} = /
+                end
+              end
+            end
+          end
+        end

       end
     end
   end
       end
     end
   end