DEV: simpler spec for wayback machine crawler layout (#7696)

follow-up on 42809f4d

spec/requests/topics_controller_spec.rb

@@ -2677,7 +2677,6 @@ RSpec.describe TopicsController do
   end
 
   describe "crawler" do
-
     context "when not a crawler" do
       it "renders with the application layout" do
         get topic.url
@@ -2690,14 +2689,14 @@ RSpec.describe TopicsController do
     end
 
     context "when a crawler" do
-      let(:topic) { Fabricate(:topic) }
+      it "renders with the crawler layout, and handles proper pagination" do
-      let(:page1_time) { 3.months.ago }
+        page1_time = 3.months.ago
-      let(:page2_time) { 2.months.ago }
+        page2_time = 2.months.ago
-      let(:page3_time) { 1.month.ago }
+        page3_time = 1.month.ago
 
-      before do
         freeze_time page1_time
 
+        topic = Fabricate(:topic)
         Fabricate(:post, topic: topic)
         Fabricate(:post, topic: topic)
 
@@ -2711,40 +2710,44 @@ RSpec.describe TopicsController do
         # ugly, but no inteface to set this and we don't want to create
         # 100 posts to test this thing
         TopicView.stubs(:chunk_size).returns(2)
+
+        user_agent = "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
+
+        get topic.url, env: { "HTTP_USER_AGENT" => user_agent }
+
+        body = response.body
+
+        expect(body).to have_tag(:body, with: { class: 'crawler' })
+        expect(body).to_not have_tag(:meta, with: { name: 'fragment' })
+        expect(body).to include('<link rel="next" href="' + topic.relative_url + "?page=2")
+
+        expect(response.headers['Last-Modified']).to eq(page1_time.httpdate)
+
+        get topic.url + "?page=2", env: { "HTTP_USER_AGENT" => user_agent}
+        body = response.body
+
+        expect(response.headers['Last-Modified']).to eq(page2_time.httpdate)
+
+        expect(body).to include('<link rel="prev" href="' + topic.relative_url)
+        expect(body).to include('<link rel="next" href="' + topic.relative_url + "?page=3")
+
+        get topic.url + "?page=3", env: { "HTTP_USER_AGENT" => user_agent}
+        body = response.body
+
+        expect(response.headers['Last-Modified']).to eq(page3_time.httpdate)
+        expect(body).to include('<link rel="prev" href="' + topic.relative_url + "?page=2")
       end
 
-      shared_examples "crawler layout" do |user_agent, via|
+      context "wayback machine" do
-        it "renders with the crawler layout, and handles proper pagination" do
+        it "renders crawler layout" do
-          get topic.url, env: { "HTTP_USER_AGENT" => user_agent, "HTTP_VIA" => via }
+          get topic.url, env: { "HTTP_USER_AGENT" => "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36", "HTTP_VIA" => "HTTP/1.0 web.archive.org (Wayback Save Page)" }
-
           body = response.body
 
           expect(body).to have_tag(:body, with: { class: 'crawler' })
           expect(body).to_not have_tag(:meta, with: { name: 'fragment' })
-          expect(body).to include('<link rel="next" href="' + topic.relative_url + "?page=2")
-
-          expect(response.headers['Last-Modified']).to eq(page1_time.httpdate)
-
-          get topic.url + "?page=2", env: { "HTTP_USER_AGENT" => user_agent, "HTTP_VIA" => via }
-          body = response.body
-
-          expect(response.headers['Last-Modified']).to eq(page2_time.httpdate)
-
-          expect(body).to include('<link rel="prev" href="' + topic.relative_url)
-          expect(body).to include('<link rel="next" href="' + topic.relative_url + "?page=3")
-
-          get topic.url + "?page=3", env: { "HTTP_USER_AGENT" => user_agent, "HTTP_VIA" => via }
-          body = response.body
-
-          expect(response.headers['Last-Modified']).to eq(page3_time.httpdate)
-          expect(body).to include('<link rel="prev" href="' + topic.relative_url + "?page=2")
         end
       end
-
-      include_examples "crawler layout", "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)", nil
-      include_examples "crawler layout", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36", "HTTP/1.0 web.archive.org (Wayback Save Page)"
     end
-
   end
 
   describe "#reset_bump_date" do