refactor: reorganize src structure

src/server/http-server.test.ts

@@ -0,0 +1,70 @@
+import { afterEach, describe, expect, test } from "bun:test";
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { createDrawingStore, type DrawingStore } from "./db";
+import { createServer } from "./http-server";
+
+const cleanup: string[] = [];
+const stores: DrawingStore[] = [];
+
+afterEach(() => {
+  while (stores.length > 0) {
+    stores.pop()?.close();
+  }
+
+  while (cleanup.length > 0) {
+    const dir = cleanup.pop();
+    if (dir) {
+      rmSync(dir, { recursive: true, force: true });
+    }
+  }
+});
+
+function createServerFixture() {
+  const dir = mkdtempSync(join(tmpdir(), "excali-server-"));
+  cleanup.push(dir);
+
+  const store = createDrawingStore(join(dir, "test.sqlite"));
+  stores.push(store);
+
+  return {
+    store,
+    server: createServer({ drawingStore: store }),
+  };
+}
+
+describe("createServer", () => {
+  test("redirects / to the latest drawing", () => {
+    const { server, store } = createServerFixture();
+
+    const response = server.routes["/"]?.(new Request("http://local/")) as Response;
+    const created = store.listDrawings();
+
+    expect(created).toHaveLength(1);
+    expect(response.status).toBe(302);
+    expect(response.headers.get("location")).toBe(`http://local/d/${created[0]?.id}`);
+  });
+
+  test("keeps Bun responsible for API routes", async () => {
+    const { server } = createServerFixture();
+    const response = await server.routes["/api/health"]?.GET?.();
+
+    expect(response?.status).toBe(200);
+    expect(await response?.json()).toEqual({ ok: true });
+  });
+
+  test("does not expose a Bun static route for drawings in production", () => {
+    const { server } = createServerFixture();
+
+    expect(Object.hasOwn(server.routes, "/d/:id")).toBe(false);
+  });
+
+  test("returns JSON 404 for unmatched requests", async () => {
+    const { server } = createServerFixture();
+    const response = await server.fetch(new Request("http://local/index-abc123.js"));
+
+    expect(response.status).toBe(404);
+    expect(await response.json()).toEqual({ ok: false, error: "Not found" });
+  });
+});