import * as NodeServices from "@effect/platform-node/NodeServices";import { expect, it } from "@effect/vitest";import { ServerAutomaticUpdateDeferredError, ServerSelfUpdateError } from "@t3tools/contracts";import { HostProcessExecutablePath } from "@t3tools/shared/hostProcess";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 ServerConfig from "../config.ts";import * as ProcessRunner from "../processRunner.ts";import * as ServiceLauncherClient from "./serviceLauncherClient.ts";import { SERVICE_LAUNCHER_PROTOCOL } from "./serviceProtocol.ts";import * as ServerSelfUpdate from "./selfUpdate.ts"; interface HarnessOptions { readonly mode?: "web" | "desktop"; readonly managed?: boolean; readonly preflight?: "ready" | "blocked"; readonly automaticUpdateIdle?: ( order: string[], targetVersion: string, ) => Effect.Effect<void, ServerSelfUpdateError | ServerAutomaticUpdateDeferredError>; readonly install?: (order: string[]) => Effect.Effect<void>; readonly requestUpdate?: ServiceLauncherClient.ServiceLauncherClient["Service"]["requestUpdate"];} const makeHarness = Effect.fn("test.make_self_update_harness")(function* ( options: HarnessOptions = {},) { const fs = yield* FileSystem.FileSystem; const path = yield* Path.Path; const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-self-update-test-" }); const order: string[] = []; const runner = ProcessRunner.ProcessRunner.of({ run: (input) => Effect.gen(function* () { if (input.command === "npm") { order.push("install"); yield* options.install?.(order) ?? Effect.void; const prefix = input.args[input.args.indexOf("--prefix") + 1]; if (prefix === undefined) return yield* Effect.die("missing npm prefix"); const entry = path.join(prefix, "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, }; } order.push("preflight"); const result = options.preflight === "blocked" ? { status: "blocked", version: "1.1.0", reason: "local update required" } : { status: "ready", version: "1.1.0", launcherProtocol: SERVICE_LAUNCHER_PROTOCOL, }; return { // @effect-diagnostics-next-line preferSchemaOverJson:off - fake child-process stdout. stdout: JSON.stringify(result), stderr: "", code: ChildProcessSpawner.ExitCode(0), timedOut: false, stdoutTruncated: false, stderrTruncated: false, stdoutInvalidUtf8: false, stderrInvalidUtf8: false, }; }), }); const launcher = ServiceLauncherClient.ServiceLauncherClient.of({ managed: options.managed ?? true, requestUpdate: options.requestUpdate ?? (() => Effect.sync(() => { order.push("accept"); return "launcher-id"; })), prepareTrial: Effect.sync((): undefined => undefined), }); const config = yield* ServerConfig.ServerConfig.pipe( Effect.provide(ServerConfig.layerTest(process.cwd(), baseDir)), ); const selfUpdate = yield* ServerSelfUpdate.make().pipe( Effect.provideService(ProcessRunner.ProcessRunner, runner), Effect.provideService(ServiceLauncherClient.ServiceLauncherClient, launcher), Effect.provideService(HostProcessExecutablePath, "/usr/bin/node"), Effect.provideService( ServerSelfUpdate.ServerSelfUpdateIdleCheck, ServerSelfUpdate.ServerSelfUpdateIdleCheck.of({ assertIdle: (targetVersion) => options.automaticUpdateIdle?.(order, targetVersion) ?? Effect.void, }), ), Effect.provide(ServerConfig.layer({ ...config, mode: options.mode ?? "web" })), ); return { selfUpdate, order };}); it.layer(NodeServices.layer)("server self update", (it) => { it.effect("stages and preflights before asking the launcher for an update ID", () => Effect.gen(function* () { const { selfUpdate, order } = yield* makeHarness(); expect(yield* selfUpdate.update({ targetVersion: "1.1.0" })).toEqual({ targetVersion: "1.1.0", method: "boot-service", updateId: "launcher-id", }); expect(order).toEqual(["install", "preflight", "accept"]); }), ); it.effect("rejects invalid versions and desktop-managed servers before staging", () => Effect.gen(function* () { const web = yield* makeHarness(); expect( (yield* web.selfUpdate.update({ targetVersion: "latest" }).pipe(Effect.flip)).reason, ).toBe("'latest' is not an exact t3 version."); const desktop = yield* makeHarness({ mode: "desktop" }); expect( (yield* desktop.selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip)).reason, ).toContain("desktop app"); expect([...web.order, ...desktop.order]).toEqual([]); }), ); it.effect("preserves the preflight refusal reason", () => Effect.gen(function* () { const { selfUpdate } = yield* makeHarness({ preflight: "blocked" }); expect((yield* selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip)).reason).toBe( "local update required", ); }), ); it.effect("rejects automatic downgrades before staging", () => Effect.gen(function* () { const { selfUpdate, order } = yield* makeHarness(); const error = yield* selfUpdate .update({ targetVersion: "0.0.1", automatic: true }) .pipe(Effect.flip); expect(error.reason).toContain("newer version"); expect(order).toEqual([]); }), ); it.effect("suppresses repeated automatic attempts after failure until a manual retry", () => Effect.gen(function* () { let requests = 0; const { selfUpdate } = yield* makeHarness({ requestUpdate: () => Effect.sync(() => { requests += 1; }).pipe( Effect.andThen( Effect.fail( new ServiceLauncherClient.ServiceLauncherClientError({ operation: "send" }), ), ), ), }); yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip); yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip); expect(requests).toBe(1); yield* selfUpdate.update({ targetVersion: "1.2.0" }).pipe(Effect.flip); expect(requests).toBe(1); yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip); expect(requests).toBe(1); yield* selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip); expect(requests).toBe(2); }), ); it.effect("does not wedge updates when a manual retry is interrupted", () => Effect.gen(function* () { const retryStarted = yield* Deferred.make<void>(); const releaseRetry = yield* Deferred.make<void>(); let requests = 0; const { selfUpdate } = yield* makeHarness({ requestUpdate: () => Effect.sync(() => { requests += 1; }).pipe( Effect.andThen( Effect.fail( new ServiceLauncherClient.ServiceLauncherClientError({ operation: "send" }), ), ), ), }); yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip); const retryFiber = yield* selfUpdate .update({ targetVersion: "1.1.0" }, () => Deferred.succeed(retryStarted, undefined).pipe( Effect.andThen(Deferred.await(releaseRetry)), ), ) .pipe(Effect.forkChild); yield* Deferred.await(retryStarted); const interruptFiber = yield* Fiber.interrupt(retryFiber).pipe(Effect.forkChild); yield* Deferred.succeed(releaseRetry, undefined); yield* Fiber.join(interruptFiber); yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip); expect(requests).toBe(1); yield* selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip); expect(requests).toBe(2); }), ); it.effect("rechecks automatic updates after staging and before activation", () => Effect.gen(function* () { const { selfUpdate, order } = yield* makeHarness({ automaticUpdateIdle: (order, targetVersion) => Effect.sync(() => order.push("idle-check")).pipe( Effect.andThen( new ServerAutomaticUpdateDeferredError({ reason: "new work started while downloading", targetVersion, }), ), ), }); const error = yield* selfUpdate .update({ targetVersion: "1.1.0", automatic: true }) .pipe(Effect.flip); expect(error.reason).toContain("new work started"); expect(order).toEqual(["install", "preflight", "idle-check"]); }), ); it.effect("keeps admission closed if an automatic update caller disconnects during handoff", () => Effect.gen(function* () { const requestStarted = yield* Deferred.make<void>(); const releaseRequest = yield* Deferred.make<void>(); const { selfUpdate, order } = yield* makeHarness({ requestUpdate: () => Deferred.succeed(requestStarted, undefined).pipe( Effect.andThen(Deferred.await(releaseRequest)), Effect.as("launcher-id"), ), }); const updateFiber = yield* selfUpdate .update({ targetVersion: "1.1.0", automatic: true }) .pipe(Effect.forkChild); yield* Deferred.await(requestStarted); const interruptFiber = yield* Fiber.interrupt(updateFiber).pipe(Effect.forkChild); yield* Effect.yieldNow; const duringHandoff = yield* selfUpdate .withCommandAdmission(Effect.succeed("started")) .pipe(Effect.flip); expect(duringHandoff.reason).toContain("cannot start new work"); yield* Deferred.succeed(releaseRequest, undefined); yield* Fiber.join(interruptFiber); const afterAcceptance = yield* selfUpdate .withCommandAdmission(Effect.succeed("started")) .pipe(Effect.flip); expect(afterAcceptance.reason).toContain("cannot start new work"); expect(order).toEqual(["install", "preflight"]); }), ); it.effect("allows automatic update staging to be interrupted before handoff", () => Effect.gen(function* () { const installStarted = yield* Deferred.make<void>(); const releaseInstall = yield* Deferred.make<void>(); let installs = 0; const { selfUpdate, order } = yield* makeHarness({ install: () => { installs += 1; return installs === 1 ? Deferred.succeed(installStarted, undefined).pipe( Effect.andThen(Deferred.await(releaseInstall)), ) : Effect.void; }, }); const updateFiber = yield* selfUpdate .update({ targetVersion: "1.1.0", automatic: true }) .pipe(Effect.forkChild); yield* Deferred.await(installStarted); const interruptFiber = yield* Fiber.interrupt(updateFiber).pipe(Effect.forkChild); yield* Deferred.succeed(releaseInstall, undefined); yield* Fiber.join(interruptFiber); expect(order).toEqual(["install"]); expect(yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true })).toEqual({ targetVersion: "1.1.0", method: "boot-service", updateId: "launcher-id", }); }), ); it.effect("blocks new commands after an automatic handoff is accepted", () => Effect.gen(function* () { const { selfUpdate } = yield* makeHarness(); yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }); const error = yield* selfUpdate .withCommandAdmission(Effect.succeed("started")) .pipe(Effect.flip); expect(error.reason).toContain("cannot start new work"); }), ); it.effect("keeps command admission open for manual updates", () => Effect.gen(function* () { const { selfUpdate } = yield* makeHarness(); yield* selfUpdate.update({ targetVersion: "1.1.0" }); expect(yield* selfUpdate.withCommandAdmission(Effect.succeed("started"))).toBe("started"); }), ); it.effect("allows only one update at a time", () => Effect.gen(function* () { const requested = yield* Deferred.make<void>(); const accepted = yield* Deferred.make<string>(); const { selfUpdate } = yield* makeHarness({ requestUpdate: () => Deferred.succeed(requested, undefined).pipe(Effect.andThen(Deferred.await(accepted))), }); const first = yield* Effect.forkChild(selfUpdate.update({ targetVersion: "1.1.0" }), { startImmediately: true, }); yield* Deferred.await(requested); expect((yield* selfUpdate.update({ targetVersion: "1.1.1" }).pipe(Effect.flip)).reason).toBe( "A server update is already in progress.", ); yield* Deferred.succeed(accepted, "launcher-id"); expect((yield* Fiber.join(first)).updateId).toBe("launcher-id"); }), );});
import * as NodeServices from "@effect/platform-node/NodeServices";
import { expect, it } from "@effect/vitest";
import { ServerAutomaticUpdateDeferredError, ServerSelfUpdateError } from "@t3tools/contracts";
import { HostProcessExecutablePath } from "@t3tools/shared/hostProcess";
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 ServerConfig from "../config.ts";
import * as ProcessRunner from "../processRunner.ts";
import * as ServiceLauncherClient from "./serviceLauncherClient.ts";
import { SERVICE_LAUNCHER_PROTOCOL } from "./serviceProtocol.ts";
import * as ServerSelfUpdate from "./selfUpdate.ts";
interface HarnessOptions {
readonly mode?: "web" | "desktop";
readonly managed?: boolean;
readonly preflight?: "ready" | "blocked";
readonly automaticUpdateIdle?: (
order: string[],
targetVersion: string,
) => Effect.Effect<void, ServerSelfUpdateError | ServerAutomaticUpdateDeferredError>;
readonly install?: (order: string[]) => Effect.Effect<void>;
readonly requestUpdate?: ServiceLauncherClient.ServiceLauncherClient["Service"]["requestUpdate"];
}
const makeHarness = Effect.fn("test.make_self_update_harness")(function* (
options: HarnessOptions = {},
) {
const fs = yield* FileSystem.FileSystem;
const path = yield* Path.Path;
const baseDir = yield* fs.makeTempDirectoryScoped({ prefix: "t3-self-update-test-" });
const order: string[] = [];
const runner = ProcessRunner.ProcessRunner.of({
run: (input) =>
Effect.gen(function* () {
if (input.command === "npm") {
order.push("install");
yield* options.install?.(order) ?? Effect.void;
const prefix = input.args[input.args.indexOf("--prefix") + 1];
if (prefix === undefined) return yield* Effect.die("missing npm prefix");
const entry = path.join(prefix, "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,
};
}
order.push("preflight");
const result =
options.preflight === "blocked"
? { status: "blocked", version: "1.1.0", reason: "local update required" }
: {
status: "ready",
version: "1.1.0",
launcherProtocol: SERVICE_LAUNCHER_PROTOCOL,
};
return {
// @effect-diagnostics-next-line preferSchemaOverJson:off - fake child-process stdout.
stdout: JSON.stringify(result),
stderr: "",
code: ChildProcessSpawner.ExitCode(0),
timedOut: false,
stdoutTruncated: false,
stderrTruncated: false,
stdoutInvalidUtf8: false,
stderrInvalidUtf8: false,
};
}),
});
const launcher = ServiceLauncherClient.ServiceLauncherClient.of({
managed: options.managed ?? true,
requestUpdate:
options.requestUpdate ??
(() =>
Effect.sync(() => {
order.push("accept");
return "launcher-id";
})),
prepareTrial: Effect.sync((): undefined => undefined),
});
const config = yield* ServerConfig.ServerConfig.pipe(
Effect.provide(ServerConfig.layerTest(process.cwd(), baseDir)),
);
const selfUpdate = yield* ServerSelfUpdate.make().pipe(
Effect.provideService(ProcessRunner.ProcessRunner, runner),
Effect.provideService(ServiceLauncherClient.ServiceLauncherClient, launcher),
Effect.provideService(HostProcessExecutablePath, "/usr/bin/node"),
Effect.provideService(
ServerSelfUpdate.ServerSelfUpdateIdleCheck,
ServerSelfUpdate.ServerSelfUpdateIdleCheck.of({
assertIdle: (targetVersion) =>
options.automaticUpdateIdle?.(order, targetVersion) ?? Effect.void,
}),
),
Effect.provide(ServerConfig.layer({ ...config, mode: options.mode ?? "web" })),
);
return { selfUpdate, order };
});
it.layer(NodeServices.layer)("server self update", (it) => {
it.effect("stages and preflights before asking the launcher for an update ID", () =>
Effect.gen(function* () {
const { selfUpdate, order } = yield* makeHarness();
expect(yield* selfUpdate.update({ targetVersion: "1.1.0" })).toEqual({
targetVersion: "1.1.0",
method: "boot-service",
updateId: "launcher-id",
});
expect(order).toEqual(["install", "preflight", "accept"]);
}),
);
it.effect("rejects invalid versions and desktop-managed servers before staging", () =>
Effect.gen(function* () {
const web = yield* makeHarness();
expect(
(yield* web.selfUpdate.update({ targetVersion: "latest" }).pipe(Effect.flip)).reason,
).toBe("'latest' is not an exact t3 version.");
const desktop = yield* makeHarness({ mode: "desktop" });
expect(
(yield* desktop.selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip)).reason,
).toContain("desktop app");
expect([...web.order, ...desktop.order]).toEqual([]);
}),
);
it.effect("preserves the preflight refusal reason", () =>
Effect.gen(function* () {
const { selfUpdate } = yield* makeHarness({ preflight: "blocked" });
expect((yield* selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip)).reason).toBe(
"local update required",
);
}),
);
it.effect("rejects automatic downgrades before staging", () =>
Effect.gen(function* () {
const { selfUpdate, order } = yield* makeHarness();
const error = yield* selfUpdate
.update({ targetVersion: "0.0.1", automatic: true })
.pipe(Effect.flip);
expect(error.reason).toContain("newer version");
expect(order).toEqual([]);
}),
);
it.effect("suppresses repeated automatic attempts after failure until a manual retry", () =>
Effect.gen(function* () {
let requests = 0;
const { selfUpdate } = yield* makeHarness({
requestUpdate: () =>
Effect.sync(() => {
requests += 1;
}).pipe(
Effect.andThen(
Effect.fail(
new ServiceLauncherClient.ServiceLauncherClientError({ operation: "send" }),
),
),
),
});
yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip);
yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip);
expect(requests).toBe(1);
yield* selfUpdate.update({ targetVersion: "1.2.0" }).pipe(Effect.flip);
expect(requests).toBe(1);
yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip);
expect(requests).toBe(1);
yield* selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip);
expect(requests).toBe(2);
}),
);
it.effect("does not wedge updates when a manual retry is interrupted", () =>
Effect.gen(function* () {
const retryStarted = yield* Deferred.make<void>();
const releaseRetry = yield* Deferred.make<void>();
let requests = 0;
const { selfUpdate } = yield* makeHarness({
requestUpdate: () =>
Effect.sync(() => {
requests += 1;
}).pipe(
Effect.andThen(
Effect.fail(
new ServiceLauncherClient.ServiceLauncherClientError({ operation: "send" }),
),
),
),
});
yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip);
const retryFiber = yield* selfUpdate
.update({ targetVersion: "1.1.0" }, () =>
Deferred.succeed(retryStarted, undefined).pipe(
Effect.andThen(Deferred.await(releaseRetry)),
),
)
.pipe(Effect.forkChild);
yield* Deferred.await(retryStarted);
const interruptFiber = yield* Fiber.interrupt(retryFiber).pipe(Effect.forkChild);
yield* Deferred.succeed(releaseRetry, undefined);
yield* Fiber.join(interruptFiber);
yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true }).pipe(Effect.flip);
expect(requests).toBe(1);
yield* selfUpdate.update({ targetVersion: "1.1.0" }).pipe(Effect.flip);
expect(requests).toBe(2);
}),
);
it.effect("rechecks automatic updates after staging and before activation", () =>
Effect.gen(function* () {
const { selfUpdate, order } = yield* makeHarness({
automaticUpdateIdle: (order, targetVersion) =>
Effect.sync(() => order.push("idle-check")).pipe(
Effect.andThen(
new ServerAutomaticUpdateDeferredError({
reason: "new work started while downloading",
targetVersion,
}),
),
),
});
const error = yield* selfUpdate
.update({ targetVersion: "1.1.0", automatic: true })
.pipe(Effect.flip);
expect(error.reason).toContain("new work started");
expect(order).toEqual(["install", "preflight", "idle-check"]);
}),
);
it.effect("keeps admission closed if an automatic update caller disconnects during handoff", () =>
Effect.gen(function* () {
const requestStarted = yield* Deferred.make<void>();
const releaseRequest = yield* Deferred.make<void>();
const { selfUpdate, order } = yield* makeHarness({
requestUpdate: () =>
Deferred.succeed(requestStarted, undefined).pipe(
Effect.andThen(Deferred.await(releaseRequest)),
Effect.as("launcher-id"),
),
});
const updateFiber = yield* selfUpdate
.update({ targetVersion: "1.1.0", automatic: true })
.pipe(Effect.forkChild);
yield* Deferred.await(requestStarted);
const interruptFiber = yield* Fiber.interrupt(updateFiber).pipe(Effect.forkChild);
yield* Effect.yieldNow;
const duringHandoff = yield* selfUpdate
.withCommandAdmission(Effect.succeed("started"))
.pipe(Effect.flip);
expect(duringHandoff.reason).toContain("cannot start new work");
yield* Deferred.succeed(releaseRequest, undefined);
yield* Fiber.join(interruptFiber);
const afterAcceptance = yield* selfUpdate
.withCommandAdmission(Effect.succeed("started"))
.pipe(Effect.flip);
expect(afterAcceptance.reason).toContain("cannot start new work");
expect(order).toEqual(["install", "preflight"]);
}),
);
it.effect("allows automatic update staging to be interrupted before handoff", () =>
Effect.gen(function* () {
const installStarted = yield* Deferred.make<void>();
const releaseInstall = yield* Deferred.make<void>();
let installs = 0;
const { selfUpdate, order } = yield* makeHarness({
install: () => {
installs += 1;
return installs === 1
? Deferred.succeed(installStarted, undefined).pipe(
Effect.andThen(Deferred.await(releaseInstall)),
)
: Effect.void;
},
});
const updateFiber = yield* selfUpdate
.update({ targetVersion: "1.1.0", automatic: true })
.pipe(Effect.forkChild);
yield* Deferred.await(installStarted);
const interruptFiber = yield* Fiber.interrupt(updateFiber).pipe(Effect.forkChild);
yield* Deferred.succeed(releaseInstall, undefined);
yield* Fiber.join(interruptFiber);
expect(order).toEqual(["install"]);
expect(yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true })).toEqual({
targetVersion: "1.1.0",
method: "boot-service",
updateId: "launcher-id",
});
}),
);
it.effect("blocks new commands after an automatic handoff is accepted", () =>
Effect.gen(function* () {
const { selfUpdate } = yield* makeHarness();
yield* selfUpdate.update({ targetVersion: "1.1.0", automatic: true });
const error = yield* selfUpdate
.withCommandAdmission(Effect.succeed("started"))
.pipe(Effect.flip);
expect(error.reason).toContain("cannot start new work");
}),
);
it.effect("keeps command admission open for manual updates", () =>
Effect.gen(function* () {
const { selfUpdate } = yield* makeHarness();
yield* selfUpdate.update({ targetVersion: "1.1.0" });
expect(yield* selfUpdate.withCommandAdmission(Effect.succeed("started"))).toBe("started");
}),
);
it.effect("allows only one update at a time", () =>
Effect.gen(function* () {
const requested = yield* Deferred.make<void>();
const accepted = yield* Deferred.make<string>();
const { selfUpdate } = yield* makeHarness({
requestUpdate: () =>
Deferred.succeed(requested, undefined).pipe(Effect.andThen(Deferred.await(accepted))),
});
const first = yield* Effect.forkChild(selfUpdate.update({ targetVersion: "1.1.0" }), {
startImmediately: true,
});
yield* Deferred.await(requested);
expect((yield* selfUpdate.update({ targetVersion: "1.1.1" }).pipe(Effect.flip)).reason).toBe(
"A server update is already in progress.",
);
yield* Deferred.succeed(accepted, "launcher-id");
expect((yield* Fiber.join(first)).updateId).toBe("launcher-id");
}),
);
});