+ def test_show_og_image_with_no_image
+ user = create(:user)
+ diary_entry = create(:diary_entry, :user => user, :body => "nothing")
+
+ get diary_entry_path(user, diary_entry)
+ assert_response :success
+ assert_dom "head meta[property='og:image']" do
+ assert_dom "> @content", ActionController::Base.helpers.image_url("osm_logo_256.png", :host => root_url)
+ end
+ end
+
+ def test_show_og_image
+ user = create(:user)
+ diary_entry = create(:diary_entry, :user => user, :body => "![some picture](https://example.com/picture.jpg)")
+
+ get diary_entry_path(user, diary_entry)
+ assert_response :success
+ assert_dom "head meta[property='og:image']" do
+ assert_dom "> @content", "https://example.com/picture.jpg"
+ end
+ end
+
+ def test_show_og_image_with_relative_uri
+ user = create(:user)
+ diary_entry = create(:diary_entry, :user => user, :body => "![some local picture](/picture.jpg)")
+
+ get diary_entry_path(user, diary_entry)
+ assert_response :success
+ assert_dom "head meta[property='og:image']" do
+ assert_dom "> @content", "#{root_url}picture.jpg"
+ end
+ end
+
+ def test_show_og_image_with_spaces
+ user = create(:user)
+ diary_entry = create(:diary_entry, :user => user, :body => "![some picture](https://example.com/the picture.jpg)")
+
+ get diary_entry_path(user, diary_entry)
+ assert_response :success
+ assert_dom "head meta[property='og:image']" do
+ assert_dom "> @content", "https://example.com/the%20picture.jpg"
+ end
+ end
+
+ def test_show_og_image_with_relative_uri_and_spaces
+ user = create(:user)
+ diary_entry = create(:diary_entry, :user => user, :body => "![some local picture](/the picture.jpg)")
+
+ get diary_entry_path(user, diary_entry)
+ assert_response :success
+ assert_dom "head meta[property='og:image']" do
+ assert_dom "> @content", "#{root_url}the%20picture.jpg"
+ end
+ end
+
+ def test_show_og_image_with_invalid_uri
+ user = create(:user)
+ diary_entry = create(:diary_entry, :user => user, :body => "![](:)")
+
+ get diary_entry_path(user, diary_entry)
+ assert_response :success
+ assert_dom "head meta[property='og:image']" do
+ assert_dom "> @content", ActionController::Base.helpers.image_url("osm_logo_256.png", :host => root_url)
+ end
+ end
+