Allow users to delete their own comments

spec/models/abilities/common_spec.rb

@@ -65,9 +65,6 @@ describe Abilities::Common do
   it { should be_able_to(:show, user) }
   it { should be_able_to(:edit, user) }
 
-  it { should be_able_to(:create, Comment) }
-  it { should be_able_to(:vote, Comment)   }
-
   it { should     be_able_to(:index, Proposal) }
   it { should     be_able_to(:show, proposal) }
   it { should_not be_able_to(:vote, Proposal) }
@@ -97,6 +94,14 @@ describe Abilities::Common do
 
   it { should_not be_able_to(:manage, LocalCensusRecord) }
 
+  describe "Comment" do
+    it { should be_able_to(:create, Comment) }
+    it { should be_able_to(:vote, Comment) }
+
+    it { should be_able_to(:hide, own_comment) }
+    it { should_not be_able_to(:hide, comment) }
+  end
+
   describe "flagging content" do
     it { should be_able_to(:flag, debate)   }
     it { should be_able_to(:unflag, debate) }

spec/models/abilities/moderator_spec.rb

@@ -54,7 +54,7 @@ describe Abilities::Moderator do
     it { should be_able_to(:hide, comment) }
     it { should be_able_to(:hide_in_moderation_screen, comment) }
     it { should_not be_able_to(:hide, hidden_comment) }
-    it { should_not be_able_to(:hide, own_comment) }
+    it { should be_able_to(:hide, own_comment) }
 
     it { should be_able_to(:moderate, comment) }
     it { should_not be_able_to(:moderate, own_comment) }

spec/system/comments/debates_spec.rb

@@ -235,6 +235,58 @@ describe "Commenting debates" do
     expect(page).to have_content "Can't be blank"
   end
 
+  describe "Hide" do
+    scenario "Without replies" do
+      create(:comment, commentable: debate, user: user, body: "This was a mistake")
+
+      login_as(user)
+      visit debate_path(debate)
+
+      accept_confirm("Are you sure? This action will delete this comment. You can't undo this action.") do
+        within(".comment-body", text: "This was a mistake") { click_link "Delete comment" }
+      end
+
+      expect(page).not_to have_content "This was a mistake"
+      expect(page).not_to have_link "Delete comment"
+
+      visit debate_path(debate)
+
+      expect(page).not_to have_content "This was a mistake"
+      expect(page).not_to have_link "Delete comment"
+
+      logout
+      login_as(create(:administrator).user)
+
+      visit admin_hidden_comments_path
+
+      expect(page).to have_content "This was a mistake"
+    end
+
+    scenario "With replies" do
+      comment = create(:comment, commentable: debate, user: user, body: "Wrong comment")
+      create(:comment, commentable: debate, parent: comment, body: "Right reply")
+
+      login_as(user)
+      visit debate_path(debate)
+
+      accept_confirm("Are you sure? This action will delete this comment. You can't undo this action.") do
+        within(".comment-body", text: "Wrong comment") { click_link "Delete comment" }
+      end
+
+      within "#comments > .comment-list > li", text: "Right reply" do
+        expect(page).to have_content "This comment has been deleted"
+        expect(page).not_to have_content "Wrong comment"
+      end
+
+      visit debate_path(debate)
+
+      within "#comments > .comment-list > li", text: "Right reply" do
+        expect(page).to have_content "This comment has been deleted"
+        expect(page).not_to have_content "Wrong comment"
+      end
+    end
+  end
+
   scenario "Reply" do
     citizen = create(:user, username: "Ana")
     manuela = create(:user, username: "Manuela")