feat(dragdrop): drag & drop complet de fichiers/dossiers & intégration IA (#89)

tests/frontend/upload.test.mjs

@@ -0,0 +1,55 @@
+/**
+ * Frontend tests for Upload & Drag-and-Drop modules (#89).
+ */
+
+import { strict as assert } from "node:assert";
+import { JSDOM } from "jsdom";
+
+// JSDOM bootstrap
+const dom = new JSDOM(`<!DOCTYPE html><html><body><div id="vault-tree"></div></body></html>`, {
+  url: "http://localhost:2020/",
+});
+const w = dom.window;
+globalThis.window = w;
+globalThis.document = w.document;
+globalThis.File = w.File;
+globalThis.FileReader = w.FileReader;
+Object.defineProperty(globalThis, "navigator", {
+  value: w.navigator,
+  configurable: true,
+  writable: true,
+});
+
+const { readDataTransferEntries } = await import("../../frontend/js/upload.js");
+
+async function runTests() {
+  console.log("Testing readDataTransferEntries empty input...");
+  const resNull = await readDataTransferEntries(null);
+  assert.deepEqual(resNull, []);
+
+  const resEmpty = await readDataTransferEntries([]);
+  assert.deepEqual(resEmpty, []);
+
+  console.log("Testing readDataTransferEntries plain files...");
+  const fakeFile1 = { name: "note1.md", webkitRelativePath: "folder/note1.md" };
+  const fakeFile2 = { name: "logo.png", webkitRelativePath: "" };
+
+  const fakeItems = [
+    { getAsFile: () => fakeFile1 },
+    { getAsFile: () => fakeFile2 },
+  ];
+
+  const results = await readDataTransferEntries(fakeItems);
+  assert.equal(results.length, 2);
+  assert.equal(results[0].path, "folder/note1.md");
+  assert.equal(results[0].isDir, false);
+  assert.equal(results[1].path, "logo.png");
+  assert.equal(results[1].isDir, false);
+
+  console.log("✅ All upload tests passed successfully!");
+}
+
+runTests().catch((err) => {
+  console.error("❌ Test failed:", err);
+  process.exit(1);
+});