feat: centralize application framework primitives

packages/test/test/test-utils.test.ts

@@ -1,4 +1,12 @@
-import { test, expect, renderComponent, mountHtml, callRoute } from "../src/index.ts";
+import {
+  test,
+  expect,
+  renderComponent,
+  mountHtml,
+  callRoute,
+  createFetchMock,
+  createTestContext,
+} from "../src/index.ts";
 
 const COUNTER = `component Counter {
   props {
@@ -30,3 +38,22 @@ test("callRoute invokes an API handler with a Context", async () => {
   expect(res.status).toBe(200);
   expect(await res.json()).toEqual({ ok: true, path: "/api/ping", method: "POST" });
 });
+
+test("createTestContext installs route params, locals and a user without casts", () => {
+  const user = { id: "u1" };
+  const ctx = createTestContext("/items/42", {
+    params: { id: "42" },
+    user,
+    locals: { trace: "test" },
+  });
+  expect(ctx.params.id).toBe("42");
+  expect(ctx.user).toBe(user);
+  expect(ctx.locals.trace).toBe("test");
+});
+
+test("createFetchMock is fluent and compatible with Bun fetch", async () => {
+  const fetchMock: typeof fetch = createFetchMock().respondOnce(Response.json({ ok: true }));
+  const response = await fetchMock("https://example.test/token");
+  expect(await response.json()).toEqual({ ok: true });
+  expect(typeof fetchMock.preconnect).toBe("function");
+});