Add Nextcloud recipe display and controller

test/nextcloud-public-share.test.js

@@ -0,0 +1,36 @@
+const test = require("node:test");
+const assert = require("node:assert/strict");
+const NextcloudPublicShare = require("../lib/nextcloud-public-share");
+
+test("extracts a token and lists recipe JSON files", async () => {
+  const calls = [];
+  const fetchImpl = async (url, options = {}) => {
+    calls.push({ url: String(url), options });
+    if (options.method === "PROPFIND") {
+      return new Response(`<?xml version="1.0"?>
+        <d:multistatus xmlns:d="DAV:">
+          <d:response><d:href>/public.php/dav/files/share-token/Apple%20Pie/recipe.json</d:href></d:response>
+        </d:multistatus>`, { status: 207 });
+    }
+    return Response.json({ name: "Apple Pie", description: "A test recipe" });
+  };
+  const client = new NextcloudPublicShare({
+    shareUrl: "https://cloud.example.test/s/share-token",
+    fetchImpl
+  });
+
+  const recipes = await client.listRecipes();
+  assert.equal(recipes.length, 1);
+  assert.equal(recipes[0].name, "Apple Pie");
+  assert.equal(calls[0].options.headers.Authorization, undefined);
+  assert.equal(calls[0].options.headers.Depth, "infinity");
+  assert.equal(calls[0].options.headers["X-Requested-With"], "XMLHttpRequest");
+});
+
+test("rejects recipe identifiers that do not point to recipe.json", async () => {
+  const client = new NextcloudPublicShare({
+    shareUrl: "https://cloud.example.test/s/share-token",
+    fetchImpl: async () => Response.json({})
+  });
+  await assert.rejects(() => client.getRecipe(Buffer.from("/other.txt").toString("base64url")));
+});