X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/305593a7049eb3183e0adcf2a0398dcf71461abc..f6ba15b1a3169a176a85e1d6d64abb2b7db05e90:/test/controllers/diary_entry_controller_test.rb

diff --git a/test/controllers/diary_entry_controller_test.rb b/test/controllers/diary_entry_controller_test.rb
index aa90ecd72..4a8451e89 100644
--- a/test/controllers/diary_entry_controller_test.rb
+++ b/test/controllers/diary_entry_controller_test.rb
@@ -1,10 +1,15 @@
 require "test_helper"
 
 class DiaryEntryControllerTest < ActionController::TestCase
-  fixtures :users, :user_roles, :diary_entries, :diary_comments, :languages, :friends
+  fixtures :users, :user_roles
 
   include ActionView::Helpers::NumberHelper
 
+  def setup
+    # Create the default language for diary entries
+    create(:language, :code => "en")
+  end
+
   ##
   # test all routes which lead to this controller
   def test_routes
@@ -83,6 +88,14 @@ class DiaryEntryControllerTest < ActionController::TestCase
       { :path => "/user/username/diary/1/hidecomment/2", :method => :post },
       { :controller => "diary_entry", :action => "hidecomment", :display_name => "username", :id => "1", :comment => "2" }
     )
+    assert_routing(
+      { :path => "/user/username/diary/1/subscribe", :method => :post },
+      { :controller => "diary_entry", :action => "subscribe", :display_name => "username", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/user/username/diary/1/unsubscribe", :method => :post },
+      { :controller => "diary_entry", :action => "unsubscribe", :display_name => "username", :id => "1" }
+    )
   end
 
   def test_new
@@ -106,7 +119,7 @@ class DiaryEntryControllerTest < ActionController::TestCase
         assert_select "select#diary_entry_language_code", :count => 1
         assert_select "input#latitude[name='diary_entry[latitude]']", :count => 1
         assert_select "input#longitude[name='diary_entry[longitude]']", :count => 1
-        assert_select "input[name=commit][type=submit][value=Save]", :count => 1
+        assert_select "input[name=commit][type=submit][value=Publish]", :count => 1
         assert_select "input[name=commit][type=submit][value=Edit]", :count => 1
         assert_select "input[name=commit][type=submit][value=Preview]", :count => 1
         assert_select "input", :count => 7
@@ -129,6 +142,8 @@ class DiaryEntryControllerTest < ActionController::TestCase
     assert_response :success
     assert_template :edit
 
+    assert_nil UserPreference.where(:user_id => users(:normal_user).id, :k => "diary.default_language").first
+
     # Now try creating a diary entry
     assert_difference "DiaryEntry.count", 1 do
       post :new, { :commit => "save",
@@ -145,10 +160,66 @@ class DiaryEntryControllerTest < ActionController::TestCase
     assert_equal new_latitude.to_f, entry.latitude
     assert_equal new_longitude.to_f, entry.longitude
     assert_equal new_language_code, entry.language_code
+
+    # checks if user was subscribed
+    assert_equal 1, entry.subscribers.length
+
+    assert_equal new_language_code, UserPreference.where(:user_id => users(:normal_user).id, :k => "diary.default_language").first.v
+
+    new_language_code = "de"
+    create(:language, :code => new_language_code)
+
+    # Now try creating a diary entry in a different language
+    assert_difference "DiaryEntry.count", 1 do
+      post :new, { :commit => "save",
+                   :diary_entry => { :title => new_title, :body => new_body, :latitude => new_latitude,
+                                     :longitude => new_longitude, :language_code => new_language_code } },
+           { :user => users(:normal_user).id }
+    end
+    assert_response :redirect
+    assert_redirected_to :action => :list, :display_name => users(:normal_user).display_name
+    entry = DiaryEntry.order(:id).last
+    assert_equal users(:normal_user).id, entry.user_id
+    assert_equal new_title, entry.title
+    assert_equal new_body, entry.body
+    assert_equal new_latitude.to_f, entry.latitude
+    assert_equal new_longitude.to_f, entry.longitude
+    assert_equal new_language_code, entry.language_code
+
+    # checks if user was subscribed
+    assert_equal 1, entry.subscribers.length
+
+    assert_equal new_language_code, UserPreference.where(:user_id => users(:normal_user).id, :k => "diary.default_language").first.v
+  end
+
+  def test_new_spammy
+    # Generate some spammy content
+    spammy_title = "Spam Spam Spam Spam Spam"
+    spammy_body = 1.upto(50).map { |n| "http://example.com/spam#{n}" }.join(" ")
+
+    # Try creating a spammy diary entry
+    assert_difference "DiaryEntry.count", 1 do
+      post :new, { :commit => "save",
+                   :diary_entry => { :title => spammy_title, :body => spammy_body, :language_code => "en" } },
+           { :user => users(:normal_user).id }
+    end
+    assert_response :redirect
+    assert_redirected_to :action => :list, :display_name => users(:normal_user).display_name
+    entry = DiaryEntry.order(:id).last
+    assert_equal users(:normal_user).id, entry.user_id
+    assert_equal spammy_title, entry.title
+    assert_equal spammy_body, entry.body
+    assert_equal "en", entry.language_code
+    assert_equal "suspended", User.find(users(:normal_user).id).status
+
+    # Follow the redirect
+    get :list, { :display_name => users(:normal_user).display_name }, { :user => users(:normal_user).id }
+    assert_response :redirect
+    assert_redirected_to :controller => :user, :action => :suspended
   end
 
   def test_edit
-    entry = diary_entries(:normal_user_entry_1)
+    entry = create(:diary_entry, :user => users(:normal_user))
 
     # Make sure that you are redirected to the login page when you are
     # not logged in, without and with the id of the entry you want to edit
@@ -245,13 +316,14 @@ class DiaryEntryControllerTest < ActionController::TestCase
   end
 
   def test_edit_i18n
-    get :edit, { :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_entry_1).id }, { :user => users(:normal_user).id }
+    diary_entry = create(:diary_entry, :language_code => "en")
+    get :edit, { :display_name => users(:normal_user).display_name, :id => diary_entry.id }, { :user => users(:normal_user).id }
     assert_response :success
     assert_select "span[class=translation_missing]", false, "Missing translation in edit diary entry"
   end
 
   def test_comment
-    entry = diary_entries(:normal_user_entry_1)
+    entry = create(:diary_entry, :user => users(:normal_user))
 
     # Make sure that you are denied when you are not logged in
     post :comment, :display_name => entry.user.display_name, :id => entry.id
@@ -264,30 +336,36 @@ class DiaryEntryControllerTest < ActionController::TestCase
       assert_select "h2", :text => "No entry with the id: 9999", :count => 1
     end
 
+    post :subscribe, { :id => entry.id, :display_name => entry.user.display_name }, { :user => users(:normal_user).id }
+
     # Now try an invalid comment with an empty body
     assert_no_difference "ActionMailer::Base.deliveries.size" do
       assert_no_difference "DiaryComment.count" do
-        post :comment, { :display_name => entry.user.display_name, :id => entry.id, :diary_comment => { :body => "" } }, { :user => users(:public_user).id }
+        assert_no_difference "entry.subscribers.count" do
+          post :comment, { :display_name => entry.user.display_name, :id => entry.id, :diary_comment => { :body => "" } }, { :user => users(:public_user).id }
+        end
       end
     end
     assert_response :success
     assert_template :view
 
     # Now try again with the right id
-    assert_difference "ActionMailer::Base.deliveries.size", 1 do
+    assert_difference "ActionMailer::Base.deliveries.size", entry.subscribers.count do
       assert_difference "DiaryComment.count", 1 do
-        post :comment, { :display_name => entry.user.display_name, :id => entry.id, :diary_comment => { :body => "New comment" } }, { :user => users(:public_user).id }
+        assert_difference "entry.subscribers.count", 1 do
+          post :comment, { :display_name => entry.user.display_name, :id => entry.id, :diary_comment => { :body => "New comment" } }, { :user => users(:public_user).id }
+        end
       end
     end
     assert_response :redirect
     assert_redirected_to :action => :view, :display_name => entry.user.display_name, :id => entry.id
     email = ActionMailer::Base.deliveries.first
     assert_equal [users(:normal_user).email], email.to
-    assert_equal "[OpenStreetMap] #{users(:public_user).display_name} commented on your diary entry", email.subject
+    assert_equal "[OpenStreetMap] #{users(:public_user).display_name} commented on a diary entry", email.subject
     assert_match /New comment/, email.text_part.decoded
     assert_match /New comment/, email.html_part.decoded
     ActionMailer::Base.deliveries.clear
-    comment = DiaryComment.find(5)
+    comment = DiaryComment.order(:id).last
     assert_equal entry.id, comment.diary_entry_id
     assert_equal users(:public_user).id, comment.user_id
     assert_equal "New comment", comment.body
@@ -296,23 +374,70 @@ class DiaryEntryControllerTest < ActionController::TestCase
     get :view, :display_name => entry.user.display_name, :id => entry.id
     assert_response :success
     assert_select ".diary-comment", :count => 1 do
-      assert_select "#comment5", :count => 1 do
+      assert_select "#comment#{comment.id}", :count => 1 do
         assert_select "a[href='/user/#{users(:public_user).display_name}']", :text => users(:public_user).display_name, :count => 1
       end
       assert_select ".richtext", :text => /New comment/, :count => 1
     end
   end
 
+  def test_comment_spammy
+    # Find the entry to comment on
+    entry = create(:diary_entry, :user => users(:normal_user))
+    post :subscribe, { :id => entry.id, :display_name => entry.user.display_name }, { :user => users(:normal_user).id }
+
+    # Generate some spammy content
+    spammy_text = 1.upto(50).map { |n| "http://example.com/spam#{n}" }.join(" ")
+
+    # Try creating a spammy comment
+    assert_difference "ActionMailer::Base.deliveries.size", 1 do
+      assert_difference "DiaryComment.count", 1 do
+        post :comment, { :display_name => entry.user.display_name, :id => entry.id, :diary_comment => { :body => spammy_text } }, { :user => users(:public_user).id }
+      end
+    end
+    assert_response :redirect
+    assert_redirected_to :action => :view, :display_name => entry.user.display_name, :id => entry.id
+    email = ActionMailer::Base.deliveries.first
+    assert_equal [users(:normal_user).email], email.to
+    assert_equal "[OpenStreetMap] #{users(:public_user).display_name} commented on a diary entry", email.subject
+    assert_match %r{http://example.com/spam}, email.text_part.decoded
+    assert_match %r{http://example.com/spam}, email.html_part.decoded
+    ActionMailer::Base.deliveries.clear
+    comment = DiaryComment.order(:id).last
+    assert_equal entry.id, comment.diary_entry_id
+    assert_equal users(:public_user).id, comment.user_id
+    assert_equal spammy_text, comment.body
+    assert_equal "suspended", User.find(users(:public_user).id).status
+
+    # Follow the redirect
+    get :list, { :display_name => users(:normal_user).display_name }, { :user => users(:public_user).id }
+    assert_response :redirect
+    assert_redirected_to :controller => :user, :action => :suspended
+
+    # Now view the diary entry, and check the new comment is not present
+    get :view, :display_name => entry.user.display_name, :id => entry.id
+    assert_response :success
+    assert_select ".diary-comment", :count => 0
+  end
+
   def test_list_all
+    diary_entry = create(:diary_entry)
+    geo_entry = create(:diary_entry, :latitude => 51.50763, :longitude => -0.10781)
+    public_entry = create(:diary_entry, :user => users(:public_user))
+
     # Try a list of all diary entries
     get :list
-    check_diary_list :normal_user_entry_1, :normal_user_geo_entry, :public_user_entry_1
+    check_diary_list diary_entry, geo_entry, public_entry
   end
 
   def test_list_user
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+    geo_entry = create(:diary_entry, :user => users(:normal_user), :latitude => 51.50763, :longitude => -0.10781)
+    _other_entry = create(:diary_entry, :user => users(:public_user))
+
     # Try a list of diary entries for a valid user
     get :list, :display_name => users(:normal_user).display_name
-    check_diary_list :normal_user_entry_1, :normal_user_geo_entry
+    check_diary_list diary_entry, geo_entry
 
     # Try a list of diary entries for an invalid user
     get :list, :display_name => "No Such User"
@@ -321,6 +446,10 @@ class DiaryEntryControllerTest < ActionController::TestCase
   end
 
   def test_list_friends
+    friend = create(:friend, :befriender => users(:normal_user))
+    diary_entry = create(:diary_entry, :user => friend.befriendee)
+    _other_entry = create(:diary_entry, :user => users(:second_public_user))
+
     # Try a list of diary entries for your friends when not logged in
     get :list, :friends => true
     assert_response :redirect
@@ -328,12 +457,14 @@ class DiaryEntryControllerTest < ActionController::TestCase
 
     # Try a list of diary entries for your friends when logged in
     get :list, { :friends => true }, { :user => users(:normal_user).id }
-    check_diary_list :public_user_entry_1
+    check_diary_list diary_entry
     get :list, { :friends => true }, { :user => users(:public_user).id }
     check_diary_list
   end
 
   def test_list_nearby
+    diary_entry = create(:diary_entry, :user => users(:public_user))
+
     # Try a list of diary entries for nearby users when not logged in
     get :list, :nearby => true
     assert_response :redirect
@@ -341,19 +472,25 @@ class DiaryEntryControllerTest < ActionController::TestCase
 
     # Try a list of diary entries for nearby users when logged in
     get :list, { :nearby => true }, { :user => users(:german_user).id }
-    check_diary_list :public_user_entry_1
+    check_diary_list diary_entry
     get :list, { :nearby => true }, { :user => users(:public_user).id }
     check_diary_list
   end
 
   def test_list_language
+    create(:language, :code => "de")
+    create(:language, :code => "sl")
+    diary_entry_en = create(:diary_entry, :language_code => "en")
+    diary_entry_en2 = create(:diary_entry, :language_code => "en")
+    diary_entry_de = create(:diary_entry, :language_code => "de")
+
     # Try a list of diary entries in english
     get :list, :language => "en"
-    check_diary_list :normal_user_entry_1, :public_user_entry_1
+    check_diary_list diary_entry_en, diary_entry_en2
 
     # Try a list of diary entries in german
     get :list, :language => "de"
-    check_diary_list :normal_user_geo_entry
+    check_diary_list diary_entry_de
 
     # Try a list of diary entries in slovenian
     get :list, :language => "sl"
@@ -361,6 +498,11 @@ class DiaryEntryControllerTest < ActionController::TestCase
   end
 
   def test_rss
+    create(:language, :code => "de")
+    create(:diary_entry, :language_code => "en")
+    create(:diary_entry, :language_code => "en")
+    create(:diary_entry, :language_code => "de")
+
     get :rss, :format => :rss
     assert_response :success, "Should be able to get a diary RSS"
     assert_select "rss", :count => 1 do
@@ -373,7 +515,12 @@ class DiaryEntryControllerTest < ActionController::TestCase
   end
 
   def test_rss_language
-    get :rss, :language => diary_entries(:normal_user_entry_1).language_code, :format => :rss
+    create(:language, :code => "de")
+    create(:diary_entry, :language_code => "en")
+    create(:diary_entry, :language_code => "en")
+    create(:diary_entry, :language_code => "de")
+
+    get :rss, :language => "en", :format => :rss
     assert_response :success, "Should be able to get a specific language diary RSS"
     assert_select "rss>channel>item", :count => 2 # , "Diary entries should be filtered by language"
   end
@@ -384,12 +531,19 @@ class DiaryEntryControllerTest < ActionController::TestCase
   #  end
 
   def test_rss_language_with_no_entries
+    create(:language, :code => "sl")
+    create(:diary_entry, :language_code => "en")
+
     get :rss, :language => "sl", :format => :rss
     assert_response :success, "Should be able to get a specific language diary RSS"
     assert_select "rss>channel>item", :count => 0 # , "Diary entries should be filtered by language"
   end
 
   def test_rss_user
+    create(:diary_entry, :user => users(:normal_user))
+    create(:diary_entry, :user => users(:normal_user))
+    create(:diary_entry, :user => users(:public_user))
+
     get :rss, :display_name => users(:normal_user).display_name, :format => :rss
     assert_response :success, "Should be able to get a specific users diary RSS"
     assert_select "rss>channel>item", :count => 2 # , "Diary entries should be filtered by user"
@@ -409,74 +563,94 @@ class DiaryEntryControllerTest < ActionController::TestCase
     assert_response :not_found, "Should not be able to get a deleted users diary RSS"
   end
 
+  def test_rss_character_escaping
+    create(:diary_entry, :title => "<script>")
+    get :rss, :format => :rss
+
+    assert_match "<title>&lt;script&gt;</title>", response.body
+  end
+
   def test_view
     # Try a normal entry that should work
-    get :view, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_entry_1).id
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+    get :view, :display_name => users(:normal_user).display_name, :id => diary_entry.id
     assert_response :success
     assert_template :view
 
     # Try a deleted entry
-    get :view, :display_name => users(:normal_user).display_name, :id => diary_entries(:deleted_entry).id
+    diary_entry_deleted = create(:diary_entry, :user => users(:normal_user), :visible => false)
+    get :view, :display_name => users(:normal_user).display_name, :id => diary_entry_deleted.id
     assert_response :not_found
 
     # Try an entry by a suspended user
-    get :view, :display_name => users(:suspended_user).display_name, :id => diary_entries(:entry_by_suspended_user).id
+    diary_entry_suspended = create(:diary_entry, :user => users(:suspended_user))
+    get :view, :display_name => users(:suspended_user).display_name, :id => diary_entry_suspended.id
     assert_response :not_found
 
     # Try an entry by a deleted user
-    get :view, :display_name => users(:deleted_user).display_name, :id => diary_entries(:entry_by_deleted_user).id
+    diary_entry_deleted = create(:diary_entry, :user => users(:deleted_user))
+    get :view, :display_name => users(:deleted_user).display_name, :id => diary_entry_deleted.id
     assert_response :not_found
   end
 
   def test_view_hidden_comments
     # Get a diary entry that has hidden comments
-    get :view, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_geo_entry).id
+    diary_entry = create(:diary_entry)
+    visible_comment = create(:diary_comment, :diary_entry => diary_entry)
+    suspended_user_comment = create(:diary_comment, :diary_entry => diary_entry, :user => users(:suspended_user))
+    deleted_user_comment = create(:diary_comment, :diary_entry => diary_entry, :user => users(:deleted_user))
+    hidden_comment = create(:diary_comment, :diary_entry => diary_entry, :visible => false)
+
+    get :view, :display_name => users(:normal_user).display_name, :id => diary_entry.id
     assert_response :success
     assert_template :view
     assert_select "div.comments" do
-      assert_select "p#comment1", :count => 1 # visible comment
-      assert_select "p#comment2", :count => 0 # comment by suspended user
-      assert_select "p#comment3", :count => 0 # comment by deleted user
-      assert_select "p#comment4", :count => 0 # hidden comment
+      assert_select "p#comment#{visible_comment.id}", :count => 1
+      assert_select "p#comment#{suspended_user_comment.id}", :count => 0
+      assert_select "p#comment#{deleted_user_comment.id}", :count => 0
+      assert_select "p#comment#{hidden_comment.id}", :count => 0
     end
   end
 
   def test_hide
     # Try without logging in
-    post :hide, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_entry_1).id
+    diary_entry = create(:diary_entry)
+    post :hide, :display_name => users(:normal_user).display_name, :id => diary_entry.id
     assert_response :forbidden
-    assert_equal true, DiaryEntry.find(diary_entries(:normal_user_entry_1).id).visible
+    assert_equal true, DiaryEntry.find(diary_entry.id).visible
 
     # Now try as a normal user
-    post :hide, { :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_entry_1).id }, { :user => users(:normal_user).id }
+    post :hide, { :display_name => users(:normal_user).display_name, :id => diary_entry.id }, { :user => users(:normal_user).id }
     assert_response :redirect
-    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_entry_1).id
-    assert_equal true, DiaryEntry.find(diary_entries(:normal_user_entry_1).id).visible
+    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name, :id => diary_entry.id
+    assert_equal true, DiaryEntry.find(diary_entry.id).visible
 
     # Finally try as an administrator
-    post :hide, { :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_entry_1).id }, { :user => users(:administrator_user).id }
+    post :hide, { :display_name => users(:normal_user).display_name, :id => diary_entry.id }, { :user => users(:administrator_user).id }
     assert_response :redirect
     assert_redirected_to :action => :list, :display_name => users(:normal_user).display_name
-    assert_equal false, DiaryEntry.find(diary_entries(:normal_user_entry_1).id).visible
+    assert_equal false, DiaryEntry.find(diary_entry.id).visible
   end
 
   def test_hidecomment
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+    diary_comment = create(:diary_comment, :diary_entry => diary_entry)
     # Try without logging in
-    post :hidecomment, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_geo_entry).id, :comment => diary_comments(:comment_for_geo_post).id
+    post :hidecomment, :display_name => users(:normal_user).display_name, :id => diary_entry.id, :comment => diary_comment.id
     assert_response :forbidden
-    assert_equal true, DiaryComment.find(diary_comments(:comment_for_geo_post).id).visible
+    assert_equal true, DiaryComment.find(diary_comment.id).visible
 
     # Now try as a normal user
-    post :hidecomment, { :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_geo_entry).id, :comment => diary_comments(:comment_for_geo_post).id }, { :user => users(:normal_user).id }
+    post :hidecomment, { :display_name => users(:normal_user).display_name, :id => diary_entry.id, :comment => diary_comment.id }, { :user => users(:normal_user).id }
     assert_response :redirect
-    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_geo_entry).id
-    assert_equal true, DiaryComment.find(diary_comments(:comment_for_geo_post).id).visible
+    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name, :id => diary_entry.id
+    assert_equal true, DiaryComment.find(diary_comment.id).visible
 
     # Finally try as an administrator
-    post :hidecomment, { :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_geo_entry).id, :comment => diary_comments(:comment_for_geo_post).id }, { :user => users(:administrator_user).id }
+    post :hidecomment, { :display_name => users(:normal_user).display_name, :id => diary_entry.id, :comment => diary_comment.id }, { :user => users(:administrator_user).id }
     assert_response :redirect
-    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name, :id => diary_entries(:normal_user_geo_entry).id
-    assert_equal false, DiaryComment.find(diary_comments(:comment_for_geo_post).id).visible
+    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name, :id => diary_entry.id
+    assert_equal false, DiaryComment.find(diary_comment.id).visible
   end
 
   def test_comments
@@ -489,6 +663,8 @@ class DiaryEntryControllerTest < ActionController::TestCase
     end
 
     # Test a user with a comment
+    create(:diary_comment, :user => users(:public_user))
+
     get :comments, :display_name => users(:public_user).display_name
     assert_response :success
     assert_template :comments
@@ -505,6 +681,64 @@ class DiaryEntryControllerTest < ActionController::TestCase
     assert_response :not_found
   end
 
+  def test_subscribe_success
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+
+    assert_difference "diary_entry.subscribers.count", 1 do
+      post :subscribe, { :id => diary_entry.id, :display_name => diary_entry.user.display_name }, { :user => users(:public_user).id }
+    end
+    assert_response :redirect
+  end
+
+  def test_subscribe_fail
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+
+    # not signed in
+    assert_no_difference "diary_entry.subscribers.count" do
+      post :subscribe, :id => diary_entry.id, :display_name => diary_entry.user.display_name
+    end
+    assert_response :forbidden
+
+    # bad diary id
+    post :subscribe, { :id => 999111, :display_name => "username" }, { :user => users(:public_user).id }
+    assert_response :not_found
+
+    # trying to subscribe when already subscribed
+    post :subscribe, { :id => diary_entry.id, :display_name => diary_entry.user.display_name }, { :user => users(:public_user).id }
+    assert_no_difference "diary_entry.subscribers.count" do
+      post :subscribe, { :id => diary_entry.id, :display_name => diary_entry.user.display_name }, { :user => users(:public_user).id }
+    end
+  end
+
+  def test_unsubscribe_success
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+
+    post :subscribe, { :id => diary_entry.id, :display_name => diary_entry.user.display_name }, { :user => users(:public_user).id }
+    assert_difference "diary_entry.subscribers.count", -1 do
+      post :unsubscribe, { :id => diary_entry.id, :display_name => diary_entry.user.display_name }, { :user => users(:public_user).id }
+    end
+    assert_response :redirect
+  end
+
+  def test_unsubscribe_fail
+    diary_entry = create(:diary_entry, :user => users(:normal_user))
+
+    # not signed in
+    assert_no_difference "diary_entry.subscribers.count" do
+      post :unsubscribe, :id => diary_entry.id, :display_name => diary_entry.user.display_name
+    end
+    assert_response :forbidden
+
+    # bad diary id
+    post :unsubscribe, { :id => 999111, :display_name => "username" }, { :user => users(:public_user).id }
+    assert_response :not_found
+
+    # trying to unsubscribe when not subscribed
+    assert_no_difference "diary_entry.subscribers.count" do
+      post :unsubscribe, { :id => diary_entry.id, :display_name => diary_entry.user.display_name }, { :user => users(:public_user).id }
+    end
+  end
+
   private
 
   def check_diary_list(*entries)
@@ -514,7 +748,6 @@ class DiaryEntryControllerTest < ActionController::TestCase
     assert_select "div.diary_post", entries.count
 
     entries.each do |entry|
-      entry = diary_entries(entry)
       assert_select "a[href=?]", "/user/#{entry.user.display_name}/diary/#{entry.id}"
     end
   end