Added tests

spec/features/show_calculator_spec.rb

@@ -2,7 +2,26 @@
 
 RSpec.describe CalculatorsController, type: :controller do
   describe "GET #show" do
-    let(:calculator) { create(:calculator) }
+    let(:calculator) do
+      create(:calculator,
+             en_name: "Test Calculator",
+             uk_name: "Тестовий Калькулятор",
+             fields_attributes: [
+               { en_label: "Field A", uk_label: "Поле A", var_name: "a", kind: "number" },
+               { en_label: "Field B", uk_label: "Поле B", var_name: "b", kind: "number" }
+             ],
+             formulas_attributes: [
+               { expression: "a + b", en_label: "Formula 1", uk_label: "Формула 1", en_unit: "unit", uk_unit: "одиниця" },
+               { expression: "a + b", en_label: "Formula 2", uk_label: "Формула 2", en_unit: "unit", uk_unit: "одиниця" }
+             ])
+    end
+
+    let(:expected_result) do
+      [
+        { label: "Formula 1", result: 0, unit: "unit", formula_image: "/assets/money_spent.png" },
+        { label: "Formula 2", result: 0, unit: "unit", formula_image: "/assets/money_spent.png" }
+      ]
+    end
 
     include_context :enable_calculators_constructor
 
@@ -12,7 +31,35 @@
 
     it "assigns the correct calculator to @calculator" do
       get :show, params: { slug: calculator.slug, locale: :en }
+
       expect(assigns(:calculator)).to eq(calculator)
     end
+
+    it "assigns the correct initial results" do
+      get :show, params: { slug: calculator.slug, locale: :en }
+
+      expect(assigns(:results)).to eq(expected_result)
+    end
+
+    context "when formulas have images attached" do
+      before do
+        formula_with_image = calculator.formulas.first
+        allow(formula_with_image).to receive(:formula_image).and_return(double("FormulaImage", attached?: true))
+        allow(controller).to receive(:rails_blob_path).and_return("/rails/active_storage/blobs/formula_image.jpg")
+      end
+
+      let(:expected_result_with_image) do
+        [
+          { label: "Formula 1", result: 0, unit: "unit", formula_image: "/rails/active_storage/blobs/formula_image.jpg" },
+          { label: "Formula 2", result: 0, unit: "unit", formula_image: "/assets/money_spent.png" }
+        ]
+      end
+
+      it "assigns the correct formula images" do
+        get :show, params: { slug: calculator.slug, locale: :en }
+
+        expect(assigns(:results)).to eq(expected_result_with_image)
+      end
+    end
   end
 end