Build MVP with Pi installer and atomic updates

2026-07-31 18:17:27 +02:00
parent e575ed2b2f
commit c52def7c37
35 changed files with 7762 additions and 1 deletions
@@ -0,0 +1,86 @@
+import { mkdtemp, 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 { readUpdateStatus } from "../src/update.js";
+
+const temporaryDirectories: string[] = [];
+
+function config(updateStatusPath: string, versionFile: string): AppConfig {
+  return {
+    nodeEnv: "test",
+    host: "127.0.0.1",
+    port: 8787,
+    databasePath: ":memory:",
+    sessionTtlMs: 60_000,
+    cookieSecure: false,
+    allowedOrigins: new Set(),
+    updateStatusPath,
+    versionFile
+  };
+}
+
+afterEach(async () => {
+  await Promise.all(temporaryDirectories.splice(0).map((directory) => rm(directory, { recursive: true, force: true })));
+});
+
+describe("system update status", () => {
+  it("reads only validated updater state and active revision metadata", async () => {
+    const directory = await mkdtemp(join(tmpdir(), "pi-car-update-test-"));
+    temporaryDirectories.push(directory);
+    const statusPath = join(directory, "status.json");
+    const versionPath = join(directory, "REVISION");
+    await writeFile(
+      statusPath,
+      JSON.stringify({
+        state: "success",
+        message: "Update installed.",
+        fromRevision: "a".repeat(40),
+        toRevision: "b".repeat(40),
+        updatedAt: "2026-07-31T18:00:00.000Z"
+      })
+    );
+    await writeFile(versionPath, `${"b".repeat(40)}\n`);
+
+    await expect(readUpdateStatus(config(statusPath, versionPath))).resolves.toMatchObject({
+      state: "success",
+      installedRevision: "b".repeat(40),
+      supported: true
+    });
+  });
+
+  it("treats missing or malformed status files as unsupported", async () => {
+    const directory = await mkdtemp(join(tmpdir(), "pi-car-update-test-"));
+    temporaryDirectories.push(directory);
+    const statusPath = join(directory, "status.json");
+    await writeFile(statusPath, "not-json");
+
+    await expect(readUpdateStatus(config(statusPath, join(directory, "missing")))).resolves.toMatchObject({
+      state: "idle",
+      installedRevision: null,
+      supported: false
+    });
+  });
+
+  it("recovers an update state left running after interruption", async () => {
+    const directory = await mkdtemp(join(tmpdir(), "pi-car-update-test-"));
+    temporaryDirectories.push(directory);
+    const statusPath = join(directory, "status.json");
+    await writeFile(
+      statusPath,
+      JSON.stringify({
+        state: "building",
+        message: "Building.",
+        fromRevision: null,
+        toRevision: null,
+        updatedAt: "2020-01-01T00:00:00.000Z"
+      })
+    );
+
+    await expect(readUpdateStatus(config(statusPath, join(directory, "missing")))).resolves.toMatchObject({
+      state: "failed",
+      supported: true
+    });
+  });
+});