From bdf582a129cddef3c48348bcfb05c5bbe83a247e Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Tue, 26 Nov 2024 12:18:42 +0000
Subject: [PATCH 1/8] Remove canonical-rails gem and handroll our own

---
 Gemfile                                | 3 ---
 Gemfile.lock                           | 3 ---
 app/views/layouts/application.html.erb | 4 +++-
 app/views/layouts/find_layout.html.erb | 4 +++-
 4 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/Gemfile b/Gemfile
index aaf4848679..75cc3b3e0a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -20,9 +20,6 @@ gem 'puma', '~> 6.5'
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.1.0', require: false
 
-# Canonical meta tag
-gem 'canonical-rails'
-
 # Decorate logic to keep it out of the views and helper methods
 gem 'draper'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index f780b6ca54..402f4220d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -177,8 +177,6 @@ GEM
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     byebug (11.1.3)
-    canonical-rails (0.2.16)
-      actionview (>= 4.1, < 7.3)
     capybara (3.40.0)
       addressable
       matrix
@@ -756,7 +754,6 @@ DEPENDENCIES
   brakeman
   bullet
   byebug
-  canonical-rails
   capybara (>= 2.15)
   cloudfront-rails
   colorize
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 13bd3b3eab..cc4da06e3a 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -4,7 +4,9 @@
     <title><%= yield :page_title %> - Publish teacher training courses - GOV.UK</title>
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
-    <%= canonical_tag %>
+
+    <%= tag.link(href: request.url.split('?').first, rel: "canonical") %>
+    <%= tag.meta(property: "og:url", content: request.url.split('?').first) %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>
diff --git a/app/views/layouts/find_layout.html.erb b/app/views/layouts/find_layout.html.erb
index cd85467ee6..cf62cbd058 100644
--- a/app/views/layouts/find_layout.html.erb
+++ b/app/views/layouts/find_layout.html.erb
@@ -4,7 +4,9 @@
     <title><%= yield :page_title %> - <%= t("service_name.find") %> - GOV.UK</title>
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
-    <%= canonical_tag %>
+
+    <%= tag.link(href: request.url.split('?').first, rel: "canonical") %>
+    <%= tag.meta(property: "og:url", content: request.url.split('?').first) %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>

From 759443fe0e6660e1041b48e696a7e97d288711c7 Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Tue, 26 Nov 2024 12:35:45 +0000
Subject: [PATCH 2/8] Remove canonical_rails.rb file

---
 config/initializers/canonical_rails.rb | 30 --------------------------
 1 file changed, 30 deletions(-)
 delete mode 100644 config/initializers/canonical_rails.rb

diff --git a/config/initializers/canonical_rails.rb b/config/initializers/canonical_rails.rb
deleted file mode 100644
index 6926dc717a..0000000000
--- a/config/initializers/canonical_rails.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-# frozen_string_literal: true
-
-# Do yourself a favor and set these up right when you install the engine.
-
-CanonicalRails.setup do |config|
-  # Force the protocol. If you do not specify, the protocol will be based on the incoming request's protocol.
-
-  config.protocol = 'https://'
-
-  # This is the main host, not just the TLD, omit slashes and protocol. If you have more than one, pick the one you want to rank in search results.
-
-  config.host = 'find-teacher-training-courses.service.gov.uk'
-  config.port # = '3000'
-
-  # http://en.wikipedia.org/wiki/URL_normalization
-  # Trailing slash represents semantics of a directory, ie a collection view - implying an :index get route;
-  # otherwise we have to assume semantics of an instance of a resource type, a member view - implying a :show get route
-  #
-  # Acts as an allowlist for routes to have trailing slashes
-
-  config.collection_actions # = [:index]
-
-  # Parameter spamming can cause index dilution by creating seemingly different URLs with identical or near-identical content.
-  # Unless allowed, these parameters will be omitted
-
-  config.allowed_parameters # = []
-
-  # Output a matching OpenGraph URL meta tag (og:url) with the canonical URL, as recommended by Facebook et al
-  config.opengraph_url = true
-end

From 98cffd45b8c5639c5a6e7280e90833b9816278e1 Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Tue, 26 Nov 2024 12:55:38 +0000
Subject: [PATCH 3/8] Lint

---
 app/views/layouts/application.html.erb | 4 ++--
 app/views/layouts/find_layout.html.erb | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index cc4da06e3a..8dbfb2d0ba 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -5,8 +5,8 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <%= tag.link(href: request.url.split('?').first, rel: "canonical") %>
-    <%= tag.meta(property: "og:url", content: request.url.split('?').first) %>
+    <%= tag.link(href: request.url.split('?').first, rel: 'canonical') %>
+    <%= tag.meta(property: 'og:url', content: request.url.split('?').first) %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>
diff --git a/app/views/layouts/find_layout.html.erb b/app/views/layouts/find_layout.html.erb
index cf62cbd058..8f0ff99221 100644
--- a/app/views/layouts/find_layout.html.erb
+++ b/app/views/layouts/find_layout.html.erb
@@ -5,8 +5,8 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <%= tag.link(href: request.url.split('?').first, rel: "canonical") %>
-    <%= tag.meta(property: "og:url", content: request.url.split('?').first) %>
+    <%= tag.link(href: request.url.split('?').first, rel: 'canonical') %>
+    <%= tag.meta(property: 'og:url', content: request.url.split('?').first) %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>

From c3266f1e8f8c73adc68d9c54761df53fdf881dfb Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Tue, 26 Nov 2024 13:02:59 +0000
Subject: [PATCH 4/8] Ensure trailing slash

---
 app/views/layouts/application.html.erb | 5 +++--
 app/views/layouts/find_layout.html.erb | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 8dbfb2d0ba..b29c99845d 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -5,8 +5,9 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <%= tag.link(href: request.url.split('?').first, rel: 'canonical') %>
-    <%= tag.meta(property: 'og:url', content: request.url.split('?').first) %>
+    <% url = URI(request.url.split('?').first) %>
+    <%= tag.link(href: url.path.ends_with?('/') ? url.to_s : "#{url}/", rel: 'canonical') %>
+    <%= tag.meta(property: 'og:url', content: url.path.ends_with?('/') ? url.to_s : "#{url}/") %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>
diff --git a/app/views/layouts/find_layout.html.erb b/app/views/layouts/find_layout.html.erb
index 8f0ff99221..e95719629b 100644
--- a/app/views/layouts/find_layout.html.erb
+++ b/app/views/layouts/find_layout.html.erb
@@ -5,8 +5,9 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <%= tag.link(href: request.url.split('?').first, rel: 'canonical') %>
-    <%= tag.meta(property: 'og:url', content: request.url.split('?').first) %>
+    <% url = URI(request.url.split('?').first) %>
+    <%= tag.link(href: url.path.ends_with?('/') ? url.to_s : "#{url}/", rel: 'canonical') %>
+    <%= tag.meta(property: 'og:url', content: url.path.ends_with?('/') ? url.to_s : "#{url}/") %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>

From 77422868ec52e5b2fe87cb1e519e9a5a80f56f41 Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Tue, 26 Nov 2024 13:13:12 +0000
Subject: [PATCH 5/8] Lint

---
 app/views/layouts/application.html.erb | 6 +++---
 app/views/layouts/find_layout.html.erb | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index b29c99845d..14becbeaec 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -5,9 +5,9 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <% url = URI(request.url.split('?').first) %>
-    <%= tag.link(href: url.path.ends_with?('/') ? url.to_s : "#{url}/", rel: 'canonical') %>
-    <%= tag.meta(property: 'og:url', content: url.path.ends_with?('/') ? url.to_s : "#{url}/") %>
+    <% url = URI(request.url.split("?").first) %>
+    <%= tag.link(href: url.path.ends_with?("/") ? url.to_s : "#{url}/", rel: "canonical") %>
+    <%= tag.meta(property: "og:url", content: url.path.ends_with?("/") ? url.to_s : "#{url}/") %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>
diff --git a/app/views/layouts/find_layout.html.erb b/app/views/layouts/find_layout.html.erb
index e95719629b..21487970ca 100644
--- a/app/views/layouts/find_layout.html.erb
+++ b/app/views/layouts/find_layout.html.erb
@@ -5,9 +5,9 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <% url = URI(request.url.split('?').first) %>
-    <%= tag.link(href: url.path.ends_with?('/') ? url.to_s : "#{url}/", rel: 'canonical') %>
-    <%= tag.meta(property: 'og:url', content: url.path.ends_with?('/') ? url.to_s : "#{url}/") %>
+    <% url = URI(request.url.split("?").first) %>
+    <%= tag.link(href: url.path.ends_with?("/") ? url.to_s : "#{url}/", rel: "canonical") %>
+    <%= tag.meta(property: "og:url", content: url.path.ends_with?("/") ? url.to_s : "#{url}/") %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>

From 2644e05c5aed330870aa36da3a5f064398e9d154 Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Wed, 27 Nov 2024 09:37:07 +0000
Subject: [PATCH 6/8] Add tests

---
 app/views/layouts/application.html.erb |  7 ++++---
 app/views/layouts/find_layout.html.erb |  7 ++++---
 spec/features/canonical_tags_spec.rb   | 21 +++++++++++++++++++++
 3 files changed, 29 insertions(+), 6 deletions(-)
 create mode 100644 spec/features/canonical_tags_spec.rb

diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 14becbeaec..c84b0ffa92 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -5,9 +5,10 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <% url = URI(request.url.split("?").first) %>
-    <%= tag.link(href: url.path.ends_with?("/") ? url.to_s : "#{url}/", rel: "canonical") %>
-    <%= tag.meta(property: "og:url", content: url.path.ends_with?("/") ? url.to_s : "#{url}/") %>
+    <% canonical_url = "#{request.base_url}#{request.path}".chomp('/') + '/' %>
+
+    <%= tag.link(href: canonical_url, rel: "canonical") %>
+    <%= tag.meta(property: "og:url", content: canonical_url) %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>
diff --git a/app/views/layouts/find_layout.html.erb b/app/views/layouts/find_layout.html.erb
index 21487970ca..5499fd4635 100644
--- a/app/views/layouts/find_layout.html.erb
+++ b/app/views/layouts/find_layout.html.erb
@@ -5,9 +5,10 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <% url = URI(request.url.split("?").first) %>
-    <%= tag.link(href: url.path.ends_with?("/") ? url.to_s : "#{url}/", rel: "canonical") %>
-    <%= tag.meta(property: "og:url", content: url.path.ends_with?("/") ? url.to_s : "#{url}/") %>
+    <% canonical_url = "#{request.base_url}#{request.path}".chomp('/') + '/' %>
+
+    <%= tag.link(href: canonical_url, rel: "canonical") %>
+    <%= tag.meta(property: "og:url", content: canonical_url) %>
 
     <%= tag.meta(name: "viewport", content: "width=device-width, initial-scale=1") %>
     <%= tag.meta(property: "og:image", content: image_path("govuk-opengraph-image.png")) %>
diff --git a/spec/features/canonical_tags_spec.rb b/spec/features/canonical_tags_spec.rb
new file mode 100644
index 0000000000..3d931319af
--- /dev/null
+++ b/spec/features/canonical_tags_spec.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+feature 'Canonical tags', :with_find_constraint do
+  scenario 'Find pages contain canonical tags' do
+    visit '/'
+
+    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/']", visible: :all)
+    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/']", visible: :all)
+  end
+end
+
+feature 'Canonical tags', :with_publish_constraint do
+  scenario 'Publish pages contain canonical tags' do
+    visit '/'
+
+    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/sign-in/']", visible: :all)
+    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/sign-in/']", visible: :all)
+  end
+end

From eb2341a3c37073c4278b4285c5229c64d406bef7 Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Wed, 27 Nov 2024 09:49:54 +0000
Subject: [PATCH 7/8] fix linting

---
 app/views/layouts/application.html.erb |  2 +-
 app/views/layouts/find_layout.html.erb |  2 +-
 spec/features/canonical_tags_spec.rb   | 24 +++++++++++++-----------
 3 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index c84b0ffa92..59be724184 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -5,7 +5,7 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <% canonical_url = "#{request.base_url}#{request.path}".chomp('/') + '/' %>
+    <% canonical_url = "#{request.base_url}#{request.path.chomp('/')}/" %>
 
     <%= tag.link(href: canonical_url, rel: "canonical") %>
     <%= tag.meta(property: "og:url", content: canonical_url) %>
diff --git a/app/views/layouts/find_layout.html.erb b/app/views/layouts/find_layout.html.erb
index 5499fd4635..f70ba8675c 100644
--- a/app/views/layouts/find_layout.html.erb
+++ b/app/views/layouts/find_layout.html.erb
@@ -5,7 +5,7 @@
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <% canonical_url = "#{request.base_url}#{request.path}".chomp('/') + '/' %>
+    <% canonical_url = "#{request.base_url}#{request.path.chomp('/')}/" %>
 
     <%= tag.link(href: canonical_url, rel: "canonical") %>
     <%= tag.meta(property: "og:url", content: canonical_url) %>
diff --git a/spec/features/canonical_tags_spec.rb b/spec/features/canonical_tags_spec.rb
index 3d931319af..553091eaa4 100644
--- a/spec/features/canonical_tags_spec.rb
+++ b/spec/features/canonical_tags_spec.rb
@@ -2,20 +2,22 @@
 
 require 'rails_helper'
 
-feature 'Canonical tags', :with_find_constraint do
-  scenario 'Find pages contain canonical tags' do
-    visit '/'
+feature 'Canonical tags' do
+  context 'when visiting Find pages', :with_find_constraint do
+    scenario 'Find pages contain canonical tags' do
+      visit '/'
 
-    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/']", visible: :all)
-    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/']", visible: :all)
+      expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/']", visible: :all)
+      expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/']", visible: :all)
+    end
   end
-end
 
-feature 'Canonical tags', :with_publish_constraint do
-  scenario 'Publish pages contain canonical tags' do
-    visit '/'
+  context 'when visiting Publish pages', :with_publish_constraint do
+    scenario 'Publish pages contain canonical tags' do
+      visit '/'
 
-    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/sign-in/']", visible: :all)
-    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/sign-in/']", visible: :all)
+      expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/sign-in/']", visible: :all)
+      expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/sign-in/']", visible: :all)
+    end
   end
 end

From bb5cc634e3eddd54016caf2dec567881b31894c6 Mon Sep 17 00:00:00 2001
From: gms-gs <george.schena@education.gov.uk>
Date: Wed, 27 Nov 2024 11:59:57 +0000
Subject: [PATCH 8/8] Update tets

---
 spec/features/canonical_tags_spec.rb | 94 ++++++++++++++++++++++++----
 1 file changed, 82 insertions(+), 12 deletions(-)

diff --git a/spec/features/canonical_tags_spec.rb b/spec/features/canonical_tags_spec.rb
index 553091eaa4..1b5f538525 100644
--- a/spec/features/canonical_tags_spec.rb
+++ b/spec/features/canonical_tags_spec.rb
@@ -2,22 +2,92 @@
 
 require 'rails_helper'
 
-feature 'Canonical tags' do
-  context 'when visiting Find pages', :with_find_constraint do
-    scenario 'Find pages contain canonical tags' do
-      visit '/'
+feature 'Canonical tags', :with_find_constraint do
+  before do
+    given_i_have_courses
+    and_i_visit_the_home_page
+  end
 
-      expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/']", visible: :all)
-      expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/']", visible: :all)
+  describe 'Canonical tags on Find pages' do
+    scenario 'without query params' do
+      then_the_page_contains_canonical_tags_with_no_query_params
+    end
+
+    scenario 'with query parameters' do
+      and_i_select_the_across_england_radio_button
+      then_the_page_contains_canonical_tags_without_query_params
     end
-  end
 
-  context 'when visiting Publish pages', :with_publish_constraint do
-    scenario 'Publish pages contain canonical tags' do
-      visit '/'
+    scenario 'when visiting a course' do
+      when_i_visit_the_course_page
+      then_the_page_contains_canonical_tags_for_a_course
+    end
+
+    scenario 'when visiting a course and selecting an anchor tag' do
+      when_i_visit_the_course_page
+      and_i_click_an_anchor_tag
+      then_the_page_contains_canonical_tags_for_a_course
+    end
+  end
 
-      expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/sign-in/']", visible: :all)
-      expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/sign-in/']", visible: :all)
+  describe 'Canonical tags on Publish pages', :with_publish_constraint do
+    scenario 'Publish page contains canonical tags' do
+      and_i_visit_the_publish_page
+      then_the_publish_page_contains_canonical_tags
     end
   end
+
+  def when_i_visit_the_course_page
+    visit find_course_path(
+      provider_code: @mathematics_course.provider.provider_code,
+      course_code: @mathematics_course.course_code
+    )
+  end
+
+  def given_i_have_courses
+    provider = create(:provider)
+    @mathematics_course = create(:course, :published_postgraduate, :secondary, provider:, name: 'Mathematics', subjects: [find_or_create(:secondary_subject, :mathematics)])
+  end
+
+  def and_i_visit_the_home_page
+    visit '/'
+  end
+
+  def and_i_visit_the_publish_page
+    visit '/sign-in/'
+  end
+
+  def and_i_select_the_across_england_radio_button
+    choose 'Across England'
+    click_link_or_button 'Continue'
+  end
+
+  def and_i_click_an_anchor_tag
+    click_link_or_button 'Where you will train'
+  end
+
+  def then_the_page_contains_canonical_tags_for_a_course
+    canonical_url = "http://www.example.com/course/#{@mathematics_course.provider.provider_code}/#{@mathematics_course.course_code}/"
+
+    link_tag = page.find("link[rel='canonical']", visible: :all)
+    expect(link_tag[:href]).to eq(canonical_url)
+
+    og_url_tag = page.find("meta[property='og:url']", visible: :all)
+    expect(og_url_tag[:content]).to eq(canonical_url)
+  end
+
+  def then_the_page_contains_canonical_tags_with_no_query_params
+    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/']", visible: :all)
+    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/']", visible: :all)
+  end
+
+  def then_the_page_contains_canonical_tags_without_query_params
+    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/age-groups/']", visible: :all)
+    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/age-groups/']", visible: :all)
+  end
+
+  def then_the_publish_page_contains_canonical_tags
+    expect(page).to have_css("link[rel='canonical'][href='http://www.example.com/sign-in/']", visible: :all)
+    expect(page).to have_css("meta[property='og:url'][content='http://www.example.com/sign-in/']", visible: :all)
+  end
 end