effect(core): add AppProcess service (Phase 1) (#27178)
This commit is contained in:
Kit Langton
210
packages/core/test/process/process.test.ts
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210
packages/core/test/process/process.test.ts
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import { describe, expect } from "bun:test"
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import { Effect, Exit, Stream } from "effect"
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import { ChildProcess } from "effect/unstable/process"
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import { AppProcess } from "@opencode-ai/core/process"
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import { testEffect } from "../lib/effect"
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const it = testEffect(AppProcess.defaultLayer)
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const NODE = process.execPath
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const cmd = (...args: string[]) => ChildProcess.make(NODE, args)
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describe("AppProcess", () => {
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describe("run", () => {
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it.effect(
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"captures stdout and exit code zero",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc.run(cmd("-e", "process.stdout.write('hi\\n')"))
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expect(result.exitCode).toBe(0)
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expect(result.stdout.toString("utf8")).toBe("hi\n")
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expect(result.truncated).toBe(false)
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}),
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)
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it.effect(
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"non-zero exit returns RunResult; caller can require success",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc.run(cmd("-e", "process.exit(1)"))
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expect(result.exitCode).toBe(1)
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}),
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)
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it.effect(
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"requireSuccess fails on non-zero exit",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const exit = yield* Effect.exit(svc.run(cmd("-e", "process.exit(1)")).pipe(Effect.flatMap(AppProcess.requireSuccess)))
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expect(Exit.isFailure(exit)).toBe(true)
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if (Exit.isFailure(exit)) {
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const reason = exit.cause.reasons[0]
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if (reason && reason._tag === "Fail") {
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expect(reason.error).toBeInstanceOf(AppProcess.AppProcessError)
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expect((reason.error as AppProcess.AppProcessError).exitCode).toBe(1)
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} else {
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throw new Error("expected fail reason")
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}
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}
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}),
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)
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it.effect(
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"requireSuccess succeeds on exit 0",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc.run(cmd("-e", "process.exit(0)")).pipe(Effect.flatMap(AppProcess.requireSuccess))
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expect(result.exitCode).toBe(0)
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}),
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)
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it.effect(
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"requireExitIn allowlists multiple exit codes",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const requireZeroOrOne = AppProcess.requireExitIn([0, 1])
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const okZero = yield* svc.run(cmd("-e", "process.exit(0)")).pipe(Effect.flatMap(requireZeroOrOne))
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expect(okZero.exitCode).toBe(0)
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const okOne = yield* svc.run(cmd("-e", "process.exit(1)")).pipe(Effect.flatMap(requireZeroOrOne))
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expect(okOne.exitCode).toBe(1)
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const exit = yield* Effect.exit(
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svc.run(cmd("-e", "process.exit(2)")).pipe(Effect.flatMap(requireZeroOrOne)),
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)
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expect(Exit.isFailure(exit)).toBe(true)
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if (Exit.isFailure(exit)) {
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const reason = exit.cause.reasons[0]
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if (reason && reason._tag === "Fail") {
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expect(reason.error).toBeInstanceOf(AppProcess.AppProcessError)
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expect((reason.error as AppProcess.AppProcessError).exitCode).toBe(2)
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}
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}
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}),
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)
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it.effect(
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"truncates output when maxOutputBytes is set",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc.run(cmd("-e", "process.stdout.write('0123456789')"), { maxOutputBytes: 5 })
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expect(result.exitCode).toBe(0)
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expect(result.truncated).toBe(true)
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expect(result.stdout.length).toBe(5)
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expect(result.stdout.toString("utf8")).toBe("01234")
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}),
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)
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it.effect(
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"result includes command description",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc.run(cmd("-e", "process.stdout.write('hi')"))
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expect(result.command).toBe(`${NODE} -e process.stdout.write('hi')`)
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}),
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)
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})
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describe("inherited platform methods", () => {
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it.effect(
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"string returns stdout as string",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const out = yield* svc.string(cmd("-e", "process.stdout.write('hi\\n')"))
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expect(out).toBe("hi\n")
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}),
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)
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it.effect(
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"lines returns the platform's array of lines",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const out = yield* svc.lines(cmd("-e", "process.stdout.write('a\\nb\\n')"))
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expect(Array.from(out)).toEqual(["a", "b"])
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}),
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)
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})
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describe("runStream", () => {
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it.live(
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"emits lines incrementally and ends cleanly on exit 0",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc
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.runStream(cmd("-e", "console.log('one'); console.log('two'); console.log('three')"))
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.pipe(Stream.runCollect)
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expect(Array.from(result)).toEqual(["one", "two", "three"])
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}),
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)
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it.live(
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"fails with AppProcessError when exit not in okExitCodes",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const exit = yield* Effect.exit(
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svc
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.runStream(cmd("-e", "console.log('a'); process.exit(2)"), { okExitCodes: [0] })
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.pipe(Stream.runCollect),
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)
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expect(Exit.isFailure(exit)).toBe(true)
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if (Exit.isFailure(exit)) {
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const reason = exit.cause.reasons[0]
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if (reason && reason._tag === "Fail") {
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expect(reason.error).toBeInstanceOf(AppProcess.AppProcessError)
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}
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}
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}),
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)
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it.live(
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"okExitCodes allowlist treats non-zero as success",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc
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.runStream(cmd("-e", "console.log('only'); process.exit(1)"), { okExitCodes: [0, 1] })
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.pipe(Stream.runCollect)
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expect(Array.from(result)).toEqual(["only"])
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}),
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)
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it.live(
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"without okExitCodes, never fails on exit code",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const result = yield* svc
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.runStream(cmd("-e", "console.log('only'); process.exit(7)"))
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.pipe(Stream.runCollect)
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expect(Array.from(result)).toEqual(["only"])
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}),
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)
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it.live(
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"AbortSignal interrupts the stream",
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const controller = new AbortController()
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setTimeout(() => controller.abort(), 50)
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const exit = yield* Effect.exit(
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svc
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.runStream(cmd("-e", "setInterval(() => console.log('tick'), 100); setTimeout(() => {}, 60_000)"), {
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signal: controller.signal,
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})
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.pipe(Stream.runCollect),
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)
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expect(Exit.isFailure(exit)).toBe(true)
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}),
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)
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})
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describe("spawn (inherited)", () => {
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it.live(
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"returns the platform ChildProcessHandle for advanced use",
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Effect.scoped(
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Effect.gen(function* () {
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const svc = yield* AppProcess.Service
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const handle = yield* svc.spawn(cmd("-e", "setInterval(() => {}, 1_000)"))
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expect(yield* handle.isRunning).toBe(true)
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yield* handle.kill()
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}),
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),
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)
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})
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})
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