1 files changed, 83 insertions, 0 deletions
diff --git a/test/bun.js/install/dummy.registry.ts b/test/bun.js/install/dummy.registry.ts
new file mode 100644
index 000000000..dd2680b97
--- /dev/null
+++ b/test/bun.js/install/dummy.registry.ts
@@ -0,0 +1,83 @@
+import { file } from "bun";
+import { expect } from "bun:test";
+import { realpathSync } from "fs";
+import { mkdtemp, readdir, rm } from "fs/promises";
+import { tmpdir } from "os";
+import { basename, join } from "path";
+
+let handler, server;
+export let package_dir, requested, root_url;
+
+export function dummyRegistry(urls, version = "0.0.2", props = {}) {
+  return async (request) => {
+    urls.push(request.url);
+    expect(request.method).toBe("GET");
+    if (request.url.endsWith(".tgz")) {
+      return new Response(file(join(import.meta.dir, basename(request.url))));
+    }
+    expect(request.headers.get("accept")).toBe(
+      "application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*",
+    );
+    expect(request.headers.get("npm-auth-type")).toBe(null);
+    expect(await request.text()).toBe("");
+    const name = request.url.slice(request.url.lastIndexOf("/") + 1);
+    return new Response(
+      JSON.stringify({
+        name,
+        versions: {
+          [version]: {
+            name,
+            version,
+            dist: {
+              tarball: `${request.url}.tgz`,
+            },
+            ...props,
+          },
+        },
+        "dist-tags": {
+          latest: version,
+        },
+      }),
+    );
+  };
+}
+
+export async function readdirSorted(path: PathLike): Promise<string[]> {
+  const results = await readdir(path);
+  results.sort();
+  return results;
+}
+
+export function setHandler(newHandler) {
+  handler = newHandler;
+}
+
+function resetHanlder() {
+  setHandler(() => new Response("Tea Break~", { status: 418 }));
+}
+
+export function dummyBeforeAll() {
+  server = Bun.serve({
+    async fetch(request) {
+      requested++;
+      return await handler(request);
+    },
+    port: 54321,
+  });
+  root_url = "http://localhost:54321";
+}
+
+export function dummyAfterAll() {
+  server.stop();
+}
+
+export async function dummyBeforeEach() {
+  resetHanlder();
+  requested = 0;
+  package_dir = realpathSync(await mkdtemp(join(tmpdir(), "bun-install.test")));
+}
+
+export async function dummyAfterEach() {
+  resetHanlder();
+  await rm(package_dir, { force: true, recursive: true });
+}