Add experimental machine learning

spec/components/relationable/related_list_component_spec.rb

@@ -0,0 +1,48 @@
+require "rails_helper"
+
+describe Relationable::RelatedListComponent, type: :component do
+  let(:proposal) { create(:proposal) }
+  let(:user_proposal) { create(:proposal, title: "I am user related") }
+  let(:machine_proposal) { create(:proposal, title: "I am machine related") }
+  let(:component) { Relationable::RelatedListComponent.new(proposal) }
+
+  before do
+    Setting["feature.machine_learning"] = true
+    Setting["machine_learning.related_content"] = true
+
+    create(:related_content, parent_relationable: proposal, child_relationable: user_proposal)
+    create(:related_content, parent_relationable: proposal,
+           child_relationable: machine_proposal,
+           machine_learning: true)
+
+    allow(controller).to receive(:current_user).and_return(nil)
+  end
+
+  it "displays machine learning and user content when machine learning is enabled" do
+    render_inline component
+
+    expect(page).to have_css "li", count: 2
+    expect(page).to have_content "I am machine related"
+    expect(page).to have_content "I am user related"
+  end
+
+  it "displays user related content when machine learning is disabled" do
+    Setting["feature.machine_learning"] = false
+
+    render_inline component
+
+    expect(page).to have_css "li", count: 1
+    expect(page).to have_content "I am user related"
+    expect(page).not_to have_content "I am machine related"
+  end
+
+  it "displays user related content when machine learning related content is disabled" do
+    Setting["machine_learning.related_content"] = false
+
+    render_inline component
+
+    expect(page).to have_css "li", count: 1
+    expect(page).to have_content "I am user related"
+    expect(page).not_to have_content "I am machine related"
+  end
+end