import * as NodeServices from "@effect/platform-node/NodeServices";import { assert, it } from "@effect/vitest";import * as Deferred from "effect/Deferred";import * as Effect from "effect/Effect";import * as FileSystem from "effect/FileSystem";import * as Fiber from "effect/Fiber";import * as Path from "effect/Path";import * as ChildProcessSpawner from "effect/unstable/process/ChildProcessSpawner"; import * as ProcessRunner from "../processRunner.ts";import {  ensurePinnedRuntimeInstalled,  pinnedRuntimePaths,  PinnedRuntimeInstallError,} from "./pinnedRuntime.ts"; const successfulRunner = (fs: FileSystem.FileSystem, path: Path.Path) =>  ProcessRunner.ProcessRunner.of({    run: (input) =>      Effect.gen(function* () {        const prefixIndex = input.args.indexOf("--prefix");        const stagingDir = input.args[prefixIndex + 1];        if (stagingDir === undefined) return yield* Effect.die("missing npm --prefix");        const entry = path.join(stagingDir, "node_modules", "t3", "dist", "bin.mjs");        yield* fs.makeDirectory(path.dirname(entry), { recursive: true }).pipe(Effect.orDie);        yield* fs.writeFileString(entry, "export {};\n").pipe(Effect.orDie);        return {          stdout: "",          stderr: "",          code: ChildProcessSpawner.ExitCode(0),          timedOut: false,          stdoutTruncated: false,          stderrTruncated: false,          stdoutInvalidUtf8: false,          stderrInvalidUtf8: false,        };      }),  }); it.layer(NodeServices.layer)("ensurePinnedRuntimeInstalled", (it) => {  it.effect("validates a staging tree before atomically publishing it", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const path = yield* Path.Path;      const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pinned-runtime-test-" });      const finalPaths = pinnedRuntimePaths(path, baseDir, "1.2.3");      let validatedDirectory = "";       const installed = yield* ensurePinnedRuntimeInstalled({        baseDir,        version: "1.2.3",        fs,        path,        runner: successfulRunner(fs, path),        validate: (staging) =>          Effect.gen(function* () {            validatedDirectory = staging.versionDir;            assert.isFalse(yield* fs.exists(finalPaths.versionDir));            assert.isTrue(yield* fs.exists(staging.entryPath));          }).pipe(Effect.orDie),      });       assert.notEqual(validatedDirectory, finalPaths.versionDir);      assert.deepEqual(installed, finalPaths);      assert.isTrue(yield* fs.exists(finalPaths.entryPath));      assert.equal(yield* fs.readFileString(finalPaths.sentinelPath), "1.2.3\n");    }),  );   it.effect("removes staging and leaves no final runtime when validation fails", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const path = yield* Path.Path;      const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pinned-runtime-test-" });      const finalPaths = pinnedRuntimePaths(path, baseDir, "1.2.3");       yield* ensurePinnedRuntimeInstalled({        baseDir,        version: "1.2.3",        fs,        path,        runner: successfulRunner(fs, path),        validate: () =>          Effect.fail(new PinnedRuntimeInstallError({ step: "validating the staged runtime" })),      }).pipe(Effect.flip);       assert.isFalse(yield* fs.exists(finalPaths.versionDir));      assert.deepEqual(        (yield* fs.readDirectory(path.dirname(finalPaths.versionDir))).filter((entry) =>          entry.startsWith(".staging-"),        ),        [],      );    }),  );   it.effect("replaces an incomplete pinned runtime", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const path = yield* Path.Path;      const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pinned-runtime-repair-" });      const finalPaths = pinnedRuntimePaths(path, baseDir, "1.2.3");      yield* fs.makeDirectory(finalPaths.versionDir, { recursive: true });      yield* fs.writeFileString(path.join(finalPaths.versionDir, "partial"), "incomplete\n");       yield* ensurePinnedRuntimeInstalled({        baseDir,        version: "1.2.3",        fs,        path,        runner: successfulRunner(fs, path),        validate: () => Effect.void,      });       assert.isFalse(yield* fs.exists(path.join(finalPaths.versionDir, "partial")));      assert.isTrue(yield* fs.exists(finalPaths.entryPath));    }),  );   it.effect("preserves a completed runtime when validation fails", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const path = yield* Path.Path;      const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pinned-runtime-repair-" });      const finalPaths = pinnedRuntimePaths(path, baseDir, "1.2.3");      yield* fs.makeDirectory(path.dirname(finalPaths.entryPath), { recursive: true });      yield* fs.writeFileString(finalPaths.entryPath, "broken\n");      yield* fs.writeFileString(finalPaths.sentinelPath, "1.2.3\n");       let validations = 0;      yield* ensurePinnedRuntimeInstalled({        baseDir,        version: "1.2.3",        fs,        path,        runner: successfulRunner(fs, path),        validate: (paths) =>          Effect.gen(function* () {            validations += 1;            const source = yield* fs.readFileString(paths.entryPath).pipe(Effect.orDie);            if (source === "broken\n") {              return yield* new PinnedRuntimeInstallError({ step: "validating the runtime" });            }          }),      }).pipe(Effect.flip);       assert.equal(validations, 1);      assert.equal(yield* fs.readFileString(finalPaths.entryPath), "broken\n");    }),  );   it.effect("removes staging when installation is interrupted", () =>    Effect.gen(function* () {      const fs = yield* FileSystem.FileSystem;      const path = yield* Path.Path;      const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-pinned-runtime-interrupt-" });      const started = yield* Deferred.make<void>();      const runner = ProcessRunner.ProcessRunner.of({        run: () => Deferred.succeed(started, undefined).pipe(Effect.andThen(Effect.never)),      });      const install = yield* ensurePinnedRuntimeInstalled({        baseDir,        version: "1.2.3",        fs,        path,        runner,        validate: () => Effect.void,      }).pipe(Effect.forkScoped);       yield* Deferred.await(started);      yield* Fiber.interrupt(install);      const versionsDir = path.join(baseDir, "runtime", "versions");      assert.deepEqual(yield* fs.readDirectory(versionsDir), []);    }),  );});