Add resilient dual-radio network failover

2026-07-31 20:24:34 +02:00
parent 0a0dae144c
commit 6940cfb3a8
19 changed files with 857 additions and 11 deletions
@@ -0,0 +1,52 @@
+import { mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import type { AppConfig } from "../src/config.js";
+import { consumeNetworkCommand, readNetworkStatus, requestNetworkAction } from "../src/network.js";
+
+const directories: string[] = [];
+
+function config(directory: string, enabled = true): AppConfig {
+  return {
+    nodeEnv: "test",
+    host: "127.0.0.1",
+    port: 8787,
+    databasePath: ":memory:",
+    sessionTtlMs: 60_000,
+    cookieSecure: false,
+    allowedOrigins: new Set(),
+    updateStatusPath: join(directory, "update.json"),
+    versionFile: join(directory, "REVISION"),
+    network: { enabled, statusPath: join(directory, "status.json"), commandPath: join(directory, "command.json") },
+    adb: { enabled: false, executable: "adb", serial: null, timeoutMs: 3_000 }
+  };
+}
+
+afterEach(async () => {
+  await Promise.all(directories.splice(0).map((directory) => rm(directory, { recursive: true, force: true })));
+});
+
+describe("network control boundary", () => {
+  it("writes and consumes only fixed action requests", async () => {
+    const directory = await mkdtemp(join(tmpdir(), "pi-car-network-test-"));
+    directories.push(directory);
+    const testConfig = config(directory);
+    const requested = await requestNetworkAction(testConfig, "retry-upstream", 7);
+    expect(JSON.parse(await readFile(testConfig.network.commandPath, "utf8"))).toMatchObject({
+      id: requested.id,
+      action: "retry-upstream",
+      actorUserId: 7
+    });
+    await expect(consumeNetworkCommand(testConfig.network.commandPath)).resolves.toMatchObject({ action: "retry-upstream" });
+    await expect(consumeNetworkCommand(testConfig.network.commandPath)).resolves.toBeNull();
+  });
+
+  it("rejects malformed controller status", async () => {
+    const directory = await mkdtemp(join(tmpdir(), "pi-car-network-test-"));
+    directories.push(directory);
+    const testConfig = config(directory);
+    await writeFile(testConfig.network.statusPath, '{"mode":"shell"}');
+    await expect(readNetworkStatus(testConfig)).resolves.toMatchObject({ supported: false, mode: "starting" });
+  });
+});