Models specs coverage (#23940)

spec/models/preview_card_provider_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe PreviewCardProvider do
+  describe 'scopes' do
+    let(:trendable_and_reviewed) { Fabricate(:preview_card_provider, trendable: true, reviewed_at: 5.days.ago) }
+    let(:not_trendable_and_not_reviewed) { Fabricate(:preview_card_provider, trendable: false, reviewed_at: nil) }
+
+    describe 'trendable' do
+      it 'returns the relevant records' do
+        results = described_class.trendable
+
+        expect(results).to eq([trendable_and_reviewed])
+      end
+    end
+
+    describe 'not_trendable' do
+      it 'returns the relevant records' do
+        results = described_class.not_trendable
+
+        expect(results).to eq([not_trendable_and_not_reviewed])
+      end
+    end
+
+    describe 'reviewed' do
+      it 'returns the relevant records' do
+        results = described_class.reviewed
+
+        expect(results).to eq([trendable_and_reviewed])
+      end
+    end
+
+    describe 'pending_review' do
+      it 'returns the relevant records' do
+        results = described_class.pending_review
+
+        expect(results).to eq([not_trendable_and_not_reviewed])
+      end
+    end
+  end
+end