test(pdf-service): add pdfDownloadLoader tests (#1547)

app/routes/shared/__test__/pdfDownloadLoader.test.ts

@@ -0,0 +1,55 @@
+// @vitest-environment node
+import { PDFDocument } from "pdf-lib";
+import { pdfDownloadLoader } from "../pdfDownloadLoader";
+
+vi.mock("~/services/flow/pruner", () => ({
+  pruneIrrelevantData: vi
+    .fn()
+    .mockResolvedValue({ vorname: "Zoe", nachname: "Müller" }),
+}));
+
+vi.mock("~/services/cms/index.server.ts", () => ({
+  fetchTranslations: vi.fn().mockResolvedValue({}),
+}));
+
+describe("pdfDownloadLoader", () => {
+  it("generates correct PDF for Beratungshilfe", async () => {
+    const response = await pdfDownloadLoader({
+      request: new Request(
+        "https://mock-url.de/beratungshilfe/antrag/download/pdf",
+      ),
+      params: {},
+      context: {},
+    });
+
+    const pdfDoc = await PDFDocument.load(await response.arrayBuffer());
+    const nameField = pdfDoc
+      .getForm()
+      .getTextField("Antragsteller (Name, Vorname ggf Geburtsname)");
+
+    expect(response.status).toBe(200);
+    expect(response.headers.get("Content-Type")).toBe("application/pdf");
+    expect(pdfDoc.getPageCount()).toBe(4);
+    expect(nameField.getText()).toBe("Müller, Zoe");
+  });
+
+  it("generates correct PDF for Prozesskostenhilfe", async () => {
+    const response = await pdfDownloadLoader({
+      request: new Request(
+        "https://mock-url.de/prozesskostenhilfe/formular/download/pdf",
+      ),
+      params: {},
+      context: {},
+    });
+
+    const pdfDoc = await PDFDocument.load(await response.arrayBuffer());
+    const nameField = pdfDoc
+      .getForm()
+      .getTextField("Name Vorname ggf Geburtsname");
+
+    expect(response.status).toBe(200);
+    expect(response.headers.get("Content-Type")).toBe("application/pdf");
+    expect(pdfDoc.getPageCount()).toBe(9);
+    expect(nameField.getText()).toBe("Müller, Zoe");
+  });
+});