Add smoke test for Supplier Totals by Distributor report

spec/lib/open_food_network/orders_and_fulfillments_report/supplier_totals_by_distributor_report_spec.rb

@@ -0,0 +1,37 @@
+require "spec_helper"
+
+RSpec.describe OpenFoodNetwork::OrdersAndFulfillmentsReport::SupplierTotalsByDistributorReport do
+  let!(:distributor) { create(:distributor_enterprise) }
+
+  let!(:order) do
+    create(:completed_order_with_totals, line_items_count: 1, distributor: distributor)
+  end
+
+  let(:current_user) { distributor.owner }
+  let(:permissions) { OpenFoodNetwork::Permissions.new(current_user) }
+
+  let(:report) do
+    report_options = { report_type: described_class::REPORT_TYPE }
+    OpenFoodNetwork::OrdersAndFulfillmentsReport.new(permissions, report_options, true)
+  end
+
+  let(:report_table) do
+    OpenFoodNetwork::OrderGrouper.new(report.rules, report.columns).table(report.table_items)
+  end
+
+  it "generates the report" do
+    expect(report_table.length).to eq(2)
+  end
+
+  it "has a variant row under the distributor" do
+    supplier = order.line_items.first.variant.product.supplier
+    supplier_name_field = report_table.first[0]
+    expect(supplier_name_field).to eq supplier.name
+
+    distributor_name_field = report_table.first[3]
+    expect(distributor_name_field).to eq distributor.name
+
+    total_field = report_table.last[3]
+    expect(total_field).to eq I18n.t("admin.reports.total")
+  end
+end