import * as NodeServices from "@effect/platform-node/NodeServices";import { assert, it } from "@effect/vitest";import * as Duration from "effect/Duration";import * as Effect from "effect/Effect";import * as FileSystem from "effect/FileSystem";import * as Layer from "effect/Layer";import * as Path from "effect/Path";import * as TestClock from "effect/testing/TestClock";import * as ChildProcessSpawner from "effect/unstable/process/ChildProcessSpawner"; import {  HostProcessArguments,  HostProcessEnvironment,  HostProcessExecutablePath,  HostProcessPlatform,} from "@t3tools/shared/hostProcess"; import * as ServerConfig from "../config.ts";import * as ProcessRunner from "../processRunner.ts";import {  BOOT_SERVICE_UNIT_ENV,  BOOT_SERVICE_UNIT_FILE,  renderBootServiceUnit,} from "./bootService.ts";import * as SelfUpdate from "./selfUpdate.ts"; const NODE_PATH = "/usr/local/bin/node"; interface RecordedCommand {  readonly command: string;  readonly args: ReadonlyArray<string>;} const makeRecordingRunnerLayer = (  commands: Array<RecordedCommand>,  options?: {    readonly failWhen?: ((command: string, args: ReadonlyArray<string>) => boolean) | undefined;    readonly stdoutFor?:      | ((command: string, args: ReadonlyArray<string>) => string | undefined)      | undefined;  },) =>  Layer.succeed(    ProcessRunner.ProcessRunner,    ProcessRunner.ProcessRunner.of({      run: (input) =>        Effect.sync(() => {          commands.push({ command: input.command, args: input.args });          const failed = options?.failWhen?.(input.command, input.args) === true;          const versionFromPath =            input.command === NODE_PATH && input.args[1] === "--version"              ? /[/\\]runtime[/\\]versions[/\\]([^/\\]+)/.exec(input.args[0] ?? "")?.[1]              : undefined;          return {            stdout:              options?.stdoutFor?.(input.command, input.args) ??              (versionFromPath === undefined ? "" : `t3 v${versionFromPath}\n`),            stderr: failed ? `${input.command} exploded` : "",            code: ChildProcessSpawner.ExitCode(failed ? 1 : 0),            timedOut: false,            stdoutTruncated: false,            stderrTruncated: false,          };        }),    }),  ); const provideHostRefs = (input: {  readonly platform: NodeJS.Platform;  readonly env: NodeJS.ProcessEnv;  readonly entryPath: string;}) =>  Effect.provide(    Layer.mergeAll(      Layer.succeed(HostProcessPlatform, input.platform),      Layer.succeed(HostProcessEnvironment, input.env),      Layer.succeed(HostProcessExecutablePath, NODE_PATH),      Layer.succeed(HostProcessArguments, [NODE_PATH, input.entryPath, "serve"]),    ),  ); it("recognizes published npm artifacts as swappable entry points", () => {  assert.isTrue(SelfUpdate.isPublishedCliEntry("/usr/local/lib/node_modules/t3/dist/bin.mjs"));  assert.isTrue(    SelfUpdate.isPublishedCliEntry("/home/theo/.npm/_npx/abc123/node_modules/t3/dist/bin.mjs"),  );  assert.isTrue(    SelfUpdate.isPublishedCliEntry(      "C:\\Users\\theo\\AppData\\Roaming\\npm\\node_modules\\t3\\dist\\bin.mjs",    ),  );  // Dev checkouts and the desktop bundle run apps/server/dist directly.  assert.isFalse(SelfUpdate.isPublishedCliEntry("/home/theo/dev/t3/apps/server/dist/bin.mjs"));  assert.isFalse(SelfUpdate.isPublishedCliEntry(""));}); it.layer(NodeServices.layer)("resolveServerSelfUpdateCapability", (it) => {  const makeHome = Effect.fn("test.makeHome")(function* () {    const fs = yield* FileSystem.FileSystem;    const path = yield* Path.Path;    const home = yield* fs.makeTempDirectoryScoped({ prefix: "t3-self-update-test-" });    return { fs, path, home };  });   const writeUnitReferencing = Effect.fn("test.writeUnitReferencing")(function* (    home: string,    entryPath: string,  ) {    const fs = yield* FileSystem.FileSystem;    const path = yield* Path.Path;    const unitDir = path.join(home, ".config", "systemd", "user");    yield* fs.makeDirectory(unitDir, { recursive: true });    yield* fs.writeFileString(      path.join(unitDir, "t3code.service"),      renderBootServiceUnit({        nodePath: NODE_PATH,        t3EntryPath: entryPath,        baseDir: path.join(home, ".t3"),        logPath: path.join(home, ".t3", "userdata", "logs", "boot-service.log"),        unitPath: path.join(unitDir, "t3code.service"),      }),    );  });   it.effect("reports boot-service for the systemd-spawned unit process", () =>    Effect.gen(function* () {      const { home, path } = yield* makeHome();      const entryPath = path.join(home, ".t3/runtime/versions/0.0.28/node_modules/t3/dist/bin.mjs");      yield* writeUnitReferencing(home, entryPath);      const method = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: false,      }).pipe(        provideHostRefs({          platform: "linux",          env: {            HOME: home,            INVOCATION_ID: "abc123",            [BOOT_SERVICE_UNIT_ENV]: BOOT_SERVICE_UNIT_FILE,          },          entryPath,        }),      );      assert.equal(method, "boot-service");    }),  );   it.effect("does not claim a systemd process owned by another unit", () =>    Effect.gen(function* () {      const { home, path } = yield* makeHome();      const entryPath = path.join(home, ".t3/runtime/versions/0.0.28/node_modules/t3/dist/bin.mjs");      yield* writeUnitReferencing(home, entryPath);      const method = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: false,      }).pipe(        provideHostRefs({          platform: "linux",          env: { HOME: home, INVOCATION_ID: "abc123" },          entryPath,        }),      );      assert.isNull(method);    }),  );   it.effect("reports respawn for a manual run of the pinned artifact", () =>    Effect.gen(function* () {      const { home, path } = yield* makeHome();      const entryPath = path.join(home, ".t3/runtime/versions/0.0.28/node_modules/t3/dist/bin.mjs");      yield* writeUnitReferencing(home, entryPath);      // Same unit on disk, but no INVOCATION_ID: restarting the unit would      // not replace this process, so it must respawn itself instead.      const method = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: false,      }).pipe(provideHostRefs({ platform: "linux", env: { HOME: home }, entryPath }));      assert.equal(method, "respawn");    }),  );   it.effect("reports respawn for a foreground npx artifact on darwin", () =>    Effect.gen(function* () {      const { home } = yield* makeHome();      const method = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: false,      }).pipe(        provideHostRefs({          platform: "darwin",          env: { HOME: home },          entryPath: `${home}/.npm/_npx/abc123/node_modules/t3/dist/bin.mjs`,        }),      );      assert.equal(method, "respawn");    }),  );   it.effect("reports desktop-managed for desktop-supervised backends", () =>    Effect.gen(function* () {      const { home, path } = yield* makeHome();      // Desktop ownership wins over every process-shape heuristic: even a      // systemd-looking pinned artifact belongs to the app that spawned it.      const entryPath = path.join(home, ".t3/runtime/versions/0.0.28/node_modules/t3/dist/bin.mjs");      yield* writeUnitReferencing(home, entryPath);      const method = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: true,      }).pipe(        provideHostRefs({          platform: "linux",          env: {            HOME: home,            INVOCATION_ID: "abc123",            [BOOT_SERVICE_UNIT_ENV]: BOOT_SERVICE_UNIT_FILE,          },          entryPath,        }),      );      assert.equal(method, "desktop-managed");    }),  );   it.effect("reports no method for dev checkouts and Windows", () =>    Effect.gen(function* () {      const { home } = yield* makeHome();      const devMethod = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: false,      }).pipe(        provideHostRefs({          platform: "darwin",          env: { HOME: home },          entryPath: `${home}/dev/t3/apps/server/dist/bin.mjs`,        }),      );      assert.isNull(devMethod);      const windowsMethod = yield* SelfUpdate.resolveServerSelfUpdateCapability({        desktopManaged: false,      }).pipe(        provideHostRefs({          platform: "win32",          env: { HOME: home },          entryPath: "C:\\Users\\theo\\AppData\\Roaming\\npm\\node_modules\\t3\\dist\\bin.mjs",        }),      );      assert.isNull(windowsMethod);    }),  );}); it.layer(NodeServices.layer)("ServerSelfUpdate.update", (it) => {  interface RecordedSpawn {    readonly command: string;    readonly args: ReadonlyArray<string>;  }   const makeContext = Effect.fn("test.makeContext")(function* (options?: {    readonly platform?: NodeJS.Platform;    readonly bootService?: boolean;    readonly desktopManaged?: boolean;    readonly entryPath?: string;    readonly failWhen?: (command: string, args: ReadonlyArray<string>) => boolean;    readonly stdoutFor?: (command: string, args: ReadonlyArray<string>) => string | undefined;    readonly failSpawn?: boolean;  }) {    const fs = yield* FileSystem.FileSystem;    const path = yield* Path.Path;    const home = yield* fs.makeTempDirectoryScoped({ prefix: "t3-self-update-test-" });    const baseDir = path.join(home, ".t3");    const entryPath =      options?.entryPath ??      path.join(home, ".t3/runtime/versions/0.0.28/node_modules/t3/dist/bin.mjs");    const env: NodeJS.ProcessEnv =      options?.bootService === true        ? {            HOME: home,            INVOCATION_ID: "abc123",            [BOOT_SERVICE_UNIT_ENV]: BOOT_SERVICE_UNIT_FILE,          }        : { HOME: home };    if (options?.bootService === true) {      const unitDir = path.join(home, ".config", "systemd", "user");      yield* fs.makeDirectory(unitDir, { recursive: true });      yield* fs.writeFileString(        path.join(unitDir, "t3code.service"),        renderBootServiceUnit({          nodePath: NODE_PATH,          t3EntryPath: entryPath,          baseDir,          logPath: path.join(baseDir, "userdata", "logs", "boot-service.log"),          unitPath: path.join(unitDir, "t3code.service"),        }),      );    }     const commands: Array<RecordedCommand> = [];    const spawns: Array<RecordedSpawn> = [];    let exited = 0;    // layerTest always reports mode "web"; desktop-managed contexts overlay    // the mode the desktop app's bootstrap envelope would set.    const configLayer =      options?.desktopManaged === true        ? Layer.effect(            ServerConfig.ServerConfig,            Effect.gen(function* () {              const config = yield* ServerConfig.ServerConfig;              return { ...config, mode: "desktop" as const };            }),          ).pipe(Layer.provide(ServerConfig.layerTest(home, baseDir)))        : ServerConfig.layerTest(home, baseDir);    const service = yield* SelfUpdate.make({      host: {        spawnDetached: (command, args) =>          Effect.sync(() => spawns.push({ command, args })).pipe(            Effect.andThen(              options?.failSpawn === true                ? Effect.fail(                    new ProcessRunner.ProcessSpawnError({                      command,                      argumentCount: args.length,                      cause: new Error("detached spawn failed"),                    }),                  )                : Effect.void,            ),          ),        exitProcess: () => {          exited += 1;        },      },    }).pipe(      Effect.provide(        Layer.mergeAll(          makeRecordingRunnerLayer(commands, {            failWhen: options?.failWhen,            stdoutFor: options?.stdoutFor,          }),          configLayer,        ),      ),      provideHostRefs({ platform: options?.platform ?? "linux", env, entryPath }),    );    return {      fs,      path,      home,      baseDir,      entryPath,      commands,      spawns,      exitCount: () => exited,      service,    };  });   it.effect("rejects dist-tags and other non-exact versions", () =>    Effect.gen(function* () {      const context = yield* makeContext();      const error = yield* context.service.update({ targetVersion: "latest" }).pipe(Effect.flip);      assert.include(error.reason, "not an exact t3 version");      assert.lengthOf(context.commands, 0);    }),  );   it.effect("refuses to update a desktop-managed backend and points at the app", () =>    Effect.gen(function* () {      const context = yield* makeContext({ desktopManaged: true, bootService: true });      const error = yield* context.service.update({ targetVersion: "0.0.29" }).pipe(Effect.flip);      assert.include(error.reason, "desktop app");      assert.lengthOf(context.commands, 0);      assert.lengthOf(context.spawns, 0);    }),  );   it.effect("fails without touching anything when no update method applies", () =>    Effect.gen(function* () {      const context = yield* makeContext({        entryPath: "/home/theo/dev/t3/apps/server/dist/bin.mjs",      });      const error = yield* context.service.update({ targetVersion: "0.0.29" }).pipe(Effect.flip);      assert.include(error.reason, "cannot update itself");      assert.lengthOf(context.commands, 0);    }),  );   it.effect("surfaces a failed npm install and never schedules a restart", () =>    Effect.gen(function* () {      const context = yield* makeContext({ failWhen: (command) => command === "npm" });      const error = yield* context.service.update({ targetVersion: "0.0.29" }).pipe(Effect.flip);      assert.equal(error.reason, "Could not install the requested t3 version.");      yield* TestClock.adjust(Duration.seconds(10));      assert.lengthOf(context.spawns, 0);      assert.equal(context.exitCount(), 0);    }).pipe(Effect.provide(TestClock.layer())),  );   it.effect("reinstalls the same version after a failed preflight", () =>    Effect.gen(function* () {      let preflightAttempts = 0;      const context = yield* makeContext({        failWhen: (command) => {          if (command !== NODE_PATH) return false;          preflightAttempts += 1;          return preflightAttempts === 1;        },      });      const versionDir = context.path.join(context.baseDir, "runtime", "versions", "0.0.29");      const entryPath = context.path.join(versionDir, "node_modules", "t3", "dist", "bin.mjs");      yield* context.fs.makeDirectory(context.path.dirname(entryPath), { recursive: true });      yield* context.fs.writeFileString(entryPath, "export {};\n");      yield* context.fs.writeFileString(        context.path.join(versionDir, ".install-complete"),        "0.0.29\n",      );       const firstError = yield* context.service        .update({ targetVersion: "0.0.29" })        .pipe(Effect.flip);      assert.include(firstError.reason, "failed its version check");      assert.isFalse(yield* context.fs.exists(versionDir));       const result = yield* context.service.update({ targetVersion: "0.0.29" });      assert.deepEqual(result, { targetVersion: "0.0.29", method: "respawn" });      assert.deepEqual(        context.commands.map((entry) => entry.command),        [NODE_PATH, "npm", NODE_PATH],      );    }).pipe(Effect.provide(TestClock.layer())),  );   it.effect("rejects and removes an installed runtime that reports the wrong version", () =>    Effect.gen(function* () {      const context = yield* makeContext({        stdoutFor: (command, args) =>          command === NODE_PATH && args[1] === "--version" ? "t3 v0.0.28\n" : undefined,      });      const versionDir = context.path.join(context.baseDir, "runtime", "versions", "0.0.29");       const error = yield* context.service.update({ targetVersion: "0.0.29" }).pipe(Effect.flip);       assert.include(error.reason, "did not report the requested");      assert.isFalse(yield* context.fs.exists(versionDir));      assert.lengthOf(context.spawns, 0);    }),  );   it.effect("reports a detached replacement spawn failure and leaves updates retryable", () =>    Effect.gen(function* () {      const context = yield* makeContext({ failSpawn: true });       const first = yield* context.service.update({ targetVersion: "0.0.29" }).pipe(Effect.flip);      assert.include(first.reason, "Could not start the replacement");       const second = yield* context.service.update({ targetVersion: "0.0.29" }).pipe(Effect.flip);      assert.include(second.reason, "Could not start the replacement");      assert.notInclude(second.reason, "already in progress");      assert.lengthOf(context.spawns, 2);      assert.equal(context.exitCount(), 0);    }),  );   it.effect("installs, preflights, and respawns a foreground server", () =>    Effect.gen(function* () {      const context = yield* makeContext();      const result = yield* context.service.update({ targetVersion: "0.0.29" });      assert.deepEqual(result, { targetVersion: "0.0.29", method: "respawn" });      assert.lengthOf(context.spawns, 1);       const concurrentError = yield* context.service        .update({ targetVersion: "0.0.30" })        .pipe(Effect.flip);      assert.include(concurrentError.reason, "already in progress");       const pinnedEntry = context.path.join(        context.baseDir,        "runtime/versions/0.0.29/node_modules/t3/dist/bin.mjs",      );      assert.deepEqual(        context.commands.map((entry) => [entry.command, ...entry.args].join(" ")),        [          `npm install --prefix ${context.path.join(context.baseDir, "runtime/versions/0.0.29")} --no-fund --no-audit t3@0.0.29`,          `${NODE_PATH} ${pinnedEntry} --version`,        ],      );       // The restart is deferred so the RPC acknowledgement flushes first.      yield* TestClock.adjust(Duration.seconds(10));      assert.lengthOf(context.spawns, 1);      const spawn = context.spawns[0];      assert.equal(spawn?.command, "/bin/sh");      assert.include(spawn?.args ?? [], pinnedEntry);      // The replacement replays the original CLI arguments.      assert.include(spawn?.args ?? [], "serve");      assert.equal(context.exitCount(), 1);    }).pipe(Effect.provide(TestClock.layer())),  );   it.effect("rewrites the systemd unit and restarts the boot service", () =>    Effect.gen(function* () {      const context = yield* makeContext({ bootService: true });      const result = yield* context.service.update({ targetVersion: "0.0.29" });      assert.deepEqual(result, { targetVersion: "0.0.29", method: "boot-service" });       const pinnedEntry = context.path.join(        context.baseDir,

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