rspec test for GatherOpenGraphData worker

Added rspec test for og in status_message model

Added rspec test for og_html helper

Improved tests for opengraph embedding

Gemfile

@@ -179,6 +179,7 @@ group :test do
   gem 'fixture_builder',   '0.3.6'
   gem 'fuubar',            '1.1.1'
   gem 'rspec-instafail',   '0.2.4', :require => false
+  gem 'test_after_commit', '0.2.0'
 
   # Cucumber (integration tests)
 

Gemfile.lock

@@ -389,6 +389,7 @@ GEM
       railties (~> 3.0)
     subexec (0.2.3)
     temple (0.6.6)
+    test_after_commit (0.2.0)
     thor (0.18.1)
     tilt (1.4.1)
     timecop (0.6.1)
@@ -495,6 +496,7 @@ DEPENDENCIES
   slim (= 1.3.9)
   spork (= 1.0.0rc3)
   strong_parameters
+  test_after_commit (= 0.2.0)
   timecop (= 0.6.1)
   twitter (= 4.8.1)
   typhoeus (= 0.6.3)

spec/factories.rb

@@ -185,6 +185,14 @@ FactoryGirl.define do
     data {{'data' => 'foo'}}
   end
 
+  factory(:open_graph_cache) do
+    url "http://example.com/articles/123"
+    image "http://example.com/images/123.jpg"
+    title "Some article"
+    ob_type "article"
+    description "This is the article lead"
+  end
+
   factory(:tag_following) do
     association(:tag, :factory => :tag)
     association(:user, :factory => :user)

spec/helpers/open_graph_helper_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe OpenGraphHelper do
+  describe 'og_html' do
+    scenarios = {
+      "article" => {
+        "url" => "http://opengraph-enabled-site.com/articles/1332-scientists-discover-new-planet",
+        "image" => "http://opengraph-enabled-site.com/images/1332-lead.jpg",
+        "title" => "Scientists discover new planet",
+        "description" => "A new planet was found yesterday"
+      },
+    }
+
+    scenarios.each do |type, data|
+      specify 'for type "'+type+'"' do
+        cache =  OpenGraphCache.new(:url => data['url'])
+        cache.ob_type = type
+        cache.image = data['image']
+        cache.title = data['title']
+        cache.description = data['description']
+
+        formatted = og_html(cache)
+
+        formatted.should =~ /#{data['url']}/
+        formatted.should =~ /#{data['title']}/
+        formatted.should =~ /#{data['image']}/
+        formatted.should =~ /#{data['description']}/
+      end
+    end
+  end
+end

spec/javascripts/app/views/open_graph_view_spec.js

@@ -0,0 +1,30 @@
+describe("app.views.OpenGraph", function() {
+  var open_graph_cache = {
+    "url": "http://example.com/articles/123",
+    "title": "Example title",
+    "description": "Test description",
+    "image": "http://example.com/thumb.jpg",
+    "ob_type": "article"
+  };
+
+  beforeEach(function(){
+    this.statusMessage = factory.statusMessage({
+      "open_graph_cache": open_graph_cache
+    });
+
+    this.view = new app.views.OpenGraph({model : this.statusMessage})
+  });
+
+  describe("rendering", function(){
+    it("shows the preview based on the opengraph data", function(){
+      this.view.render();
+      var html = this.view.$el.html();
+
+      expect(html).toContain(open_graph_cache.url);
+      expect(html).toContain(open_graph_cache.title);
+      expect(html).toContain(open_graph_cache.description);
+      expect(html).toContain(open_graph_cache.image);
+    });
+  });
+
+});

spec/javascripts/app/views/post/small_frame_view_spec.js

@@ -1,4 +1,18 @@
 describe("app.views.Post.SmallFrame", function(){
+  var open_graph_cache = {
+    "url": "http://example.com/articles/123",
+    "title": "Example title",
+    "description": "Test description",
+    "image": "http://example.com/thumb.jpg",
+    "ob_type": "article"
+  };
+
+  var o_embed_cache = {
+    "data":{
+      "html":"this is a crazy oemebed lol"
+    }
+  };
+
   beforeEach(function(){
     this.model = factory.post({
       photos : [
@@ -11,12 +25,8 @@ describe("app.views.Post.SmallFrame", function(){
         }),
         factory.photoAttrs({sizes : {large : "http://whatthefuckiselizabethstarkupto.com/none_knows.gif"}}) //SIC
       ],
-
-      "o_embed_cache":{
-        "data":{
-          "html":"this is a crazy oemebed lol"
-        }
-      }
+      o_embed_cache: o_embed_cache,
+      open_graph_cache: open_graph_cache
     })
 
     this.view = new app.views.Post.SmallFrame({model : this.model})
@@ -26,14 +36,37 @@ describe("app.views.Post.SmallFrame", function(){
     expect(this.view.oEmbedView().model).toBe(this.model)
   })
 
-  describe("rendering", function(){
+  it("passes the model down to the opengraph view", function(){
+    expect(this.view.openGraphView().model).toBe(this.model)
+  })
+
+  describe("rendering with oembed and opengraph", function(){
     beforeEach(function(){
       this.view.render()
     });
 
     it("has the oembed", function(){ //integration test
-      expect($.trim(this.view.$(".embed-frame").text())).toContain("this is a crazy oemebed lol")
+      expect($.trim(this.view.$(".embed-frame").text())).toContain(o_embed_cache.data.html)
     })
+
+    it("doesn't have opengraph preview", function(){
+      expect($.trim(this.view.$(".embed-frame").text())).not.toContain(open_graph_cache.title)
+    })
+  })
+
+  describe("rendering with opengraph only", function(){
+    beforeEach(function(){
+      this.view = new app.views.Post.SmallFrame({
+        model : factory.post({
+          open_graph_cache: open_graph_cache
+        })
+      })
+      this.view.render()
+    });
+
+    it("displays opengraph preview", function(){
+      expect($.trim(this.view.$(".open-graph-frame").text())).toContain(open_graph_cache.title)
+    });
   })
 
   describe("redirecting to a post", function(){

spec/javascripts/app/views/stream_post_spec.js

@@ -4,6 +4,20 @@ describe("app.views.StreamPost", function(){
   })
 
   describe("#render", function(){
+    var o_embed_cache = {
+      "data" : {
+        "html" : "some html"
+      }
+    };
+
+    var open_graph_cache = {
+      "url": "http://example.com/articles/123",
+      "title": "Example title",
+      "description": "Test description",
+      "image": "http://example.com/thumb.jpg",
+      "ob_type": "article"
+    };
+
     beforeEach(function(){
       loginAs({name: "alice", avatar : {small : "http://avatar.com/photo.jpg"}});
 
@@ -59,14 +73,28 @@ describe("app.views.StreamPost", function(){
 
     context("embed_html", function(){
       it("provides oembed html from the model response", function(){
-        this.statusMessage.set({"o_embed_cache" : {
-          "data" : {
-            "html" : "some html"
-          }
-        }})
+        this.statusMessage.set({"o_embed_cache" : o_embed_cache})
 
         var view = new app.views.StreamPost({model : this.statusMessage}).render();
-        expect(view.$el.html()).toContain("some html")
+        expect(view.$el.html()).toContain(o_embed_cache.data.html)
+      })
+    })
+
+    context("og_html", function(){
+      it("provides opengraph preview based on the model reponse", function(){
+        this.statusMessage.set({"open_graph_cache" : open_graph_cache});
+
+        var view = new app.views.StreamPost({model : this.statusMessage}).render();
+        expect(view.$el.html()).toContain(open_graph_cache.title)
+      });
+      it("does not provide opengraph preview, when oembed is available", function(){
+        this.statusMessage.set({
+          "o_embed_cache" : o_embed_cache,
+          "open_graph_cache" : open_graph_cache
+        });
+
+        var view = new app.views.StreamPost({model : this.statusMessage}).render();
+        expect(view.$el.html()).not.toContain(open_graph_cache.title)
       })
     })
 

spec/javascripts/helpers/factory.js

@@ -61,6 +61,7 @@ factory = {
       "guid" : this.guid(),
       "image_url" : null,
       "o_embed_cache" : null,
+      "open_graph_cache": null,
       "photos" : [],
       "text" : "jasmine is bomb",
       "id" : this.id.next(),

spec/models/status_message_spec.rb

@@ -388,4 +388,25 @@ STR
       end
     end
   end
+
+  describe 'opengraph' do
+    before do
+      @youtube_url = "https://www.youtube.com/watch?v=3PtFwlKfvHI"
+      @message_text = "#{@youtube_url} is so cool. so is this link -> https://joindiaspora.com"
+    end
+
+    it 'should queue a GatherOpenGraphData if it includes a link' do
+      sm = FactoryGirl.build(:status_message, :text => @message_text)
+      Workers::GatherOpenGraphData.should_receive(:perform_async).with(instance_of(Fixnum), instance_of(String))
+      sm.save
+    end
+
+    describe '#contains_open_graph_url_in_text?' do
+      it 'returns the opengraph urls found in the raw message' do
+        sm = FactoryGirl.build(:status_message, :text => @message_text)
+        sm.contains_open_graph_url_in_text?.should_not be_nil
+        sm.open_graph_url.should == @youtube_url
+      end
+    end
+  end
 end

spec/workers/gather_open_graph_data_spec.rb

@@ -0,0 +1,69 @@
+require 'spec_helper'
+describe Workers::GatherOpenGraphData do
+  before do
+    @ogsite_title = 'Homepage'
+    @ogsite_type = 'website'
+    @ogsite_image = '/img/something.png'
+    @ogsite_url = 'http://www.we-support-open-graph.com'
+    @ogsite_description = 'Homepage'
+    
+    @ogsite_body =
+      "<html><head><title>#{@ogsite_title}</title>
+      <meta property=\"og:title\" content=\"#{@ogsite_title}\"/>
+      <meta property=\"og:type\" content=\"#{@ogsite_type}\" />
+      <meta property=\"og:image\" content=\"#{@ogsite_image}\" />
+      <meta property=\"og:url\" content=\"#{@ogsite_url}\" />
+      <meta property=\"og:description\" content=\"#{@ogsite_description}\" />
+      </head><body></body></html>"
+
+    @no_open_graph_url = 'http://www.we-do-not-support-open-graph.com/index.html'
+
+    @status_message = FactoryGirl.create(:status_message)
+
+    stub_request(:get, @ogsite_url).to_return(:status => 200, :body => @ogsite_body)
+    stub_request(:get, @no_open_graph_url).to_return(:status => 200, :body => '<html><body>hello there</body></html>')
+  end
+
+  describe '.perform' do
+    it 'requests not data from the internet' do
+      Workers::GatherOpenGraphData.new.perform(@status_message.id, @ogsite_url)
+
+      a_request(:get, @ogsite_url).should have_been_made
+    end
+
+    it 'requests not data from the internet only once' do
+      2.times do |n|
+        Workers::GatherOpenGraphData.new.perform(@status_message.id, @ogsite_url)
+      end
+
+      a_request(:get, @ogsite_url).should have_been_made.times(1)
+    end
+
+    it 'creates one cache entry' do
+      Workers::GatherOpenGraphData.new.perform(@status_message.id, @ogsite_url)
+
+      ogc = OpenGraphCache.find_by_url(@ogsite_url)
+
+      ogc.title.should == @ogsite_title
+      ogc.ob_type.should == @ogsite_type
+      ogc.image.should == @ogsite_url + @ogsite_image
+      ogc.url.should == @ogsite_url
+      ogc.description.should == @ogsite_description
+
+      Workers::GatherOpenGraphData.new.perform(@status_message.id, @ogsite_url)
+      OpenGraphCache.count(:conditions => {:url => @ogsite_url}).should == 1
+    end
+
+    it 'creates no cache entry for unsupported pages' do
+      Workers::GatherOpenGraphData.new.perform(@status_message.id, @no_open_graph_url)
+
+      OpenGraphCache.find_by_url(@no_open_graph_url).should be_nil
+    end
+
+    it 'gracefully handles a deleted post' do
+      expect {
+        Workers::GatherOpenGraphData.new.perform(0, @ogsite_url)
+      }.to_not raise_error ActiveRecord::RecordNotFound
+    end
+  end
+end