fix: use event-driven renderer for build progress

2026-10-04 21:23:33 +00:00
parent aeac740f29
commit 6dd9cbc629
2 changed files with 59 additions and 3 deletions
@@ -26,6 +26,56 @@ const snapshot = {
 };

 describe("up API pipeline", () => {
+  test("does not append queued build frames on repeated TTY progress ticks", async () => {
+    const root = await mkdtemp(join(tmpdir(), "kuber-up-api-"));
+    const previousCwd = process.cwd();
+    const tty = Object.getOwnPropertyDescriptor(process.stdout, "isTTY");
+    const rendered: string[] = [];
+    const writes = spyOn(process.stdout, "write").mockImplementation(((chunk: string | Uint8Array) => {
+      rendered.push(String(chunk));
+      return true;
+    }) as typeof process.stdout.write);
+    let polls = 0;
+    try {
+      Object.defineProperty(process.stdout, "isTTY", { configurable: true, value: true });
+      await writeFile(join(root, "compose.yml"), "services:\n  app:\n    build: .\n");
+      await writeFile(join(root, ".kuberrc.ts"), 'export default { project: "shop" };\n');
+      process.chdir(root);
+      const trust = await resolveTrustIdentity("shop", root);
+      const request: ApiRequester = async <T>(path: string) => {
+        if (path === "/snapshots/negotiate") return { ready: true } as T;
+        if (path === "/builds") return { state: "queued" } as T;
+        if (path.includes("/events"))
+          return [{ type: "status", status: {
+            state: "queued",
+            phase: ["queued", "preparing", "waiting", "waiting"][polls],
+          } }] as T;
+        if (path.endsWith("/reconcile")) {
+          polls++;
+          await Bun.sleep(110);
+          return polls < 3
+            ? { state: "queued" } as T
+            : { state: "failed", error: "build stopped" } as T;
+        }
+        throw new Error(path);
+      };
+      await expect(provideContext(() => runUp(true, request, { trust }))).rejects.toThrow("build stopped");
+      const output = rendered.join("");
+      expect(polls).toBe(3);
+      expect(output.match(/Build app/g)).toHaveLength(1);
+      expect(output.match(/Build queued/g)).toHaveLength(1);
+      expect(output).toContain("Build preparing");
+      expect(output).toContain("Build waiting");
+      expect(output).toContain("build stopped");
+    } finally {
+      writes.mockRestore();
+      if (tty) Object.defineProperty(process.stdout, "isTTY", tty);
+      else Reflect.deleteProperty(process.stdout, "isTTY");
+      process.chdir(previousCwd);
+      await rm(root, { recursive: true, force: true });
+    }
+  }, 5_000);
+
  test("attaches each build log to its started image child", async () => {
    const root = await mkdtemp(join(tmpdir(), "kuber-up-api-"));
    const previousCwd = process.cwd();