Keep using old component for backwards compatibility

- Test components

Co-authored-by: Jane Sandberg <sandbergja@users.noreply.github.com>

app/components/blacklight/search_context_component.rb

@@ -5,7 +5,7 @@ class SearchContextComponent < Blacklight::Component
     with_collection_parameter :search_context
 
     def initialize(search_context:, search_session:)
-      Blacklight.deprecation.warn("Blacklight::SearchContextComponent is deprecated and will be moved to Blacklight::SearchContext::ServerItemPaginationComponent in Blacklight 8.0.0")
+      Deprecation.warn("Blacklight::SearchContextComponent is deprecated and will be moved to Blacklight::SearchContext::ServerItemPaginationComponent in Blacklight 8.0.0")
       @search_context = search_context
       @search_session = search_session
     end

app/views/catalog/_previous_next_doc.html.erb

@@ -1,2 +1,2 @@
 <% Deprecation.warn(self, 'The partial _previous_next_doc.html.erb will be removed in 8.0. Render Blacklight::SearchContext::ServerItemPaginationComponent instead.') %>
-<%= render(Blacklight::SearchContext::ServerItemPaginationComponent.new(search_context: @search_context, search_session: search_session, current_document: @current_document)) %>
+<%= render(Blacklight::SearchContextComponent.new(search_context: @search_context, search_session: search_session)) %>

app/views/catalog/_show_main_content.html.erb

@@ -1,4 +1,4 @@
-<%= render(Blacklight::SearchContext::ServerItemPaginationComponent.new(search_context: @search_context, search_session: search_session, current_document: @document)) if search_session['document_id'] == @document.id %>
+<%= render(Blacklight::SearchContextComponent.new(search_context: @search_context, search_session: search_session)) if search_session['document_id'] == @document.id %>
 
 <% @page_title = t('blacklight.search.show.title', document_title: Deprecation.silence(Blacklight::BlacklightHelperBehavior) { document_show_html_title }, application_name: application_name).html_safe %>
 <% content_for(:head) { render_link_rel_alternates } %>

spec/components/blacklight/search_context/server_item_pagination_component_spec.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Blacklight::SearchContext::ServerItemPaginationComponent, type: :component do
+  subject(:render) { render_inline(instance) }
+
+  let(:current_document_id) { 9 }
+  let(:current_document) { SolrDocument.new(id: current_document_id) }
+  let(:search_session) { { 'document_id' => current_document_id, 'counter' => 1, 'total' => '3' } }
+  let(:instance) { described_class.new(search_context: search_context, search_session: search_session, current_document: current_document) }
+
+  before do
+    allow(controller).to receive(:search_session).and_return(search_session)
+    allow(controller).to receive(:current_search_session).and_return(double(id: current_document_id))
+    controller.class.helper_method :search_session
+    controller.class.helper_method :current_search_session
+  end
+
+  context 'when there is next and previous' do
+    let(:search_context) { { next: next_doc, prev: prev_doc } }
+    let(:prev_doc) { SolrDocument.new(id: '777') }
+    let(:next_doc) { SolrDocument.new(id: '888') }
+
+    before do
+      # allow(controller).to receive(:controller_tracking_method).and_return('track_catalog_path')
+
+      allow(controller).to receive_messages(controller_name: 'catalog', link_to_previous_document: '', link_to_next_document: '')
+    end
+
+    it "renders content" do
+      expect(render.css('.page-links').to_html).not_to be_blank
+    end
+  end
+end

spec/components/blacklight/search_context_component_spec.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+RSpec.describe Blacklight::SearchContextComponent, type: :component do
+  subject(:render) { render_inline(instance) }
+
+  let(:current_document_id) { 9 }
+  let(:search_session) { { 'document_id' => current_document_id, 'counter' => 1, 'total' => '3' } }
+  let(:instance) { described_class.new(search_context: search_context, search_session: search_session) }
+
+  before do
+    allow(controller).to receive(:search_session).and_return(search_session)
+    allow(controller).to receive(:current_search_session).and_return(double(id: current_document_id))
+    controller.class.helper_method :search_session
+    controller.class.helper_method :current_search_session
+  end
+
+  context 'when there is next and previous' do
+    let(:search_context) { { next: next_doc, prev: prev_doc } }
+    let(:prev_doc) { SolrDocument.new(id: '777') }
+    let(:next_doc) { SolrDocument.new(id: '888') }
+
+    before do
+      allow(controller).to receive_messages(controller_name: 'catalog', link_to_previous_document: '', link_to_next_document: '')
+    end
+
+    it "renders content" do
+      expect(render.css('.page-links').to_html).not_to be_blank
+    end
+  end
+end

spec/views/catalog/_previous_next_doc.html.erb_spec.rb

@@ -7,14 +7,12 @@
 
   it "without next or previous does not render content" do
     assign(:search_context, {})
-    assign(:current_document, SolrDocument.new(id: 9))
     render
     expect(rendered).not_to have_selector ".pagination-search-widgets"
   end
 
   it "with next or previous does render content" do
     assign(:search_context, next: 'foo', prev: 'bar')
-    assign(:current_document, SolrDocument.new(id: 9))
     allow(view).to receive(:link_to_previous_document).and_return('')
     allow(view).to receive(:item_page_entry_info).and_return('')
     allow(view).to receive(:link_to_next_document).and_return('')