feat: Enhance specialty handling and navigation across doctor and specialty pages

components/specialties/detail/breadcrumb.test.js

@@ -0,0 +1,66 @@
+import { describe, expect, it } from "vitest";
+import { render, screen } from "@testing-library/react";
+import specialtiesData from "@/data/specialties.json";
+import SpecialtyDetailPage from "@/components/specialties/detail";
+
+const byName = (name) => specialtiesData.find((s) => s.name === name);
+
+const GENERAL_SURGERY = byName("جراحی عمومی");
+const GI = byName("جراح گوارش");
+
+const renderPage = (specialty) =>
+  render(
+    <SpecialtyDetailPage
+      specialty={specialty}
+      specialtyName={specialty.name}
+      cityName="یاسوج"
+      doctors={[]}
+      intro="متن مقدمه"
+      faq={[]}
+      origin="https://yasuj-nobat.ir"
+      slug={specialty.slug}
+    />
+  );
+
+/** حلقه‌های breadcrumd به‌ترتیب. */
+const crumbs = () =>
+  Array.from(
+    screen.getByRole("navigation", { name: "breadcrumb" }).querySelectorAll("li")
+  ).map((li) => li.textContent.replace(/>/g, "").trim());
+
+describe("breadcrumb صفحهٔ تخصص", () => {
+  it("صفحهٔ زیرتخصص حلقهٔ والد را دارد", () => {
+    renderPage(GI);
+
+    expect(crumbs()).toEqual(["خانه", "تخصص‌ها", GENERAL_SURGERY.name, GI.name]);
+  });
+
+  it("حلقهٔ والد به صفحهٔ گروه لینک می‌دهد", () => {
+    renderPage(GI);
+
+    expect(
+      screen.getByRole("link", { name: GENERAL_SURGERY.name })
+    ).toHaveAttribute("href", `/specialties/${GENERAL_SURGERY.slug}`);
+  });
+
+  it("صفحهٔ ریشه حلقهٔ والد اضافه نمی‌گیرد", () => {
+    renderPage(GENERAL_SURGERY);
+
+    expect(crumbs()).toEqual(["خانه", "تخصص‌ها", GENERAL_SURGERY.name]);
+  });
+
+  it("JSON-LD همان حلقه‌ها را دارد — نما و schema واگرا نمی‌شوند", () => {
+    const { container } = renderPage(GI);
+
+    const script = container.querySelector('script[type="application/ld+json"]');
+    const jsonLd = JSON.parse(script.innerHTML);
+
+    expect(jsonLd["@type"]).toBe("BreadcrumbList");
+    expect(jsonLd.itemListElement.map((i) => i.name)).toEqual([
+      "خانه",
+      "تخصص‌ها",
+      GENERAL_SURGERY.name,
+      GI.name,
+    ]);
+  });
+});