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438 lines
15 KiB
Rust
438 lines
15 KiB
Rust
use crate::common::{fixtures::*, lua, poll, session};
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use assert_fs::prelude::*;
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use mlua::chunk;
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use once_cell::sync::Lazy;
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use rstest::*;
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static TEMP_SCRIPT_DIR: Lazy<assert_fs::TempDir> = Lazy::new(|| assert_fs::TempDir::new().unwrap());
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static SCRIPT_RUNNER: Lazy<String> = Lazy::new(|| String::from("bash"));
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static ECHO_ARGS_TO_STDOUT_SH: Lazy<assert_fs::fixture::ChildPath> = Lazy::new(|| {
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let script = TEMP_SCRIPT_DIR.child("echo_args_to_stdout.sh");
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script
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.write_str(indoc::indoc!(
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r#"
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#/usr/bin/env bash
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printf "%s" "$*"
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"#
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))
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.unwrap();
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script
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});
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static ECHO_ARGS_TO_STDERR_SH: Lazy<assert_fs::fixture::ChildPath> = Lazy::new(|| {
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let script = TEMP_SCRIPT_DIR.child("echo_args_to_stderr.sh");
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script
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.write_str(indoc::indoc!(
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r#"
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#/usr/bin/env bash
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printf "%s" "$*" 1>&2
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"#
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))
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.unwrap();
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script
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});
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static ECHO_STDIN_TO_STDOUT_SH: Lazy<assert_fs::fixture::ChildPath> = Lazy::new(|| {
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let script = TEMP_SCRIPT_DIR.child("echo_stdin_to_stdout.sh");
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script
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.write_str(indoc::indoc!(
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r#"
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#/usr/bin/env bash
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while IFS= read; do echo "$REPLY"; done
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"#
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))
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.unwrap();
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script
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});
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static SLEEP_SH: Lazy<assert_fs::fixture::ChildPath> = Lazy::new(|| {
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let script = TEMP_SCRIPT_DIR.child("sleep.sh");
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script
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.write_str(indoc::indoc!(
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r#"
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#!/usr/bin/env bash
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sleep "$1"
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"#
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))
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.unwrap();
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script
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});
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static DOES_NOT_EXIST_BIN: Lazy<assert_fs::fixture::ChildPath> =
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Lazy::new(|| TEMP_SCRIPT_DIR.child("does_not_exist_bin"));
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#[rstest]
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fn should_return_error_on_failure(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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let cmd = DOES_NOT_EXIST_BIN.to_str().unwrap().to_string();
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let args: Vec<String> = Vec::new();
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if not success then
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err = res
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end
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end)
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assert(err, "Unexpectedly succeeded")
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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#[rstest]
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fn should_return_back_process_on_success(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![ECHO_ARGS_TO_STDOUT_SH.to_str().unwrap().to_string()];
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to spawn process: " .. tostring(err))
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assert(proc.id >= 0, "Invalid process returned")
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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// NOTE: Ignoring on windows because it's using WSL which wants a Linux path
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// with / but thinks it's on windows and is providing \
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#[rstest]
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#[cfg_attr(windows, ignore)]
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fn should_return_process_that_can_retrieve_stdout(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![
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ECHO_ARGS_TO_STDOUT_SH.to_str().unwrap().to_string(),
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String::from("some stdout"),
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];
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let wait_fn = lua
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.create_function(|_, ()| {
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std::thread::sleep(std::time::Duration::from_millis(50));
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Ok(())
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})
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.unwrap();
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to spawn process: " .. tostring(err))
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assert(proc, "Missing proc")
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// Wait briefly to ensure the process sends stdout
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$wait_fn()
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local f = distant.utils.wrap_async(proc.read_stdout_async, $schedule_fn)
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local err, stdout
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f(proc, function(success, res)
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if success then
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stdout = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed reading stdout: " .. tostring(err))
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assert(stdout == "some stdout", "Unexpected stdout: " .. stdout)
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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// NOTE: Ignoring on windows because it's using WSL which wants a Linux path
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// with / but thinks it's on windows and is providing \
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#[rstest]
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#[cfg_attr(windows, ignore)]
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fn should_return_process_that_can_retrieve_stderr(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![
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ECHO_ARGS_TO_STDERR_SH.to_str().unwrap().to_string(),
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String::from("some stderr"),
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];
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let wait_fn = lua
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.create_function(|_, ()| {
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std::thread::sleep(std::time::Duration::from_millis(50));
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Ok(())
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})
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.unwrap();
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to spawn process: " .. tostring(err))
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assert(proc, "Missing proc")
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// Wait briefly to ensure the process sends stdout
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$wait_fn()
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local f = distant.utils.wrap_async(proc.read_stderr_async, $schedule_fn)
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local err, stderr
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f(proc, function(success, res)
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if success then
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stderr = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed reading stdout: " .. tostring(err))
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assert(stderr == "some stderr", "Unexpected stderr: " .. stderr)
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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#[rstest]
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fn should_return_error_when_killing_dead_process(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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// Spawn a process that will exit immediately, but is a valid process
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![SLEEP_SH.to_str().unwrap().to_string(), String::from("0")];
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let wait_fn = lua
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.create_function(|_, ()| {
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std::thread::sleep(std::time::Duration::from_millis(50));
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Ok(())
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})
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.unwrap();
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to spawn process: " .. tostring(err))
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assert(proc, "Missing proc")
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// Wait briefly to ensure the process dies
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$wait_fn()
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local f = distant.utils.wrap_async(proc.kill_async, $schedule_fn)
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local err
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f(proc, function(success, res)
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if not success then
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err = res
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end
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end)
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assert(err, "Unexpectedly succeeded in killing dead process")
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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#[rstest]
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fn should_support_killing_processing(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![SLEEP_SH.to_str().unwrap().to_string(), String::from("1")];
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to spawn process: " .. tostring(err))
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assert(proc, "Missing proc")
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local f = distant.utils.wrap_async(proc.kill_async, $schedule_fn)
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local err
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f(proc, function(success, res)
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if not success then
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to kill process: " .. tostring(err))
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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#[rstest]
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fn should_return_error_if_sending_stdin_to_dead_process(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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// Spawn a process that will exit immediately, but is a valid process
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![SLEEP_SH.to_str().unwrap().to_string(), String::from("0")];
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let wait_fn = lua
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.create_function(|_, ()| {
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std::thread::sleep(std::time::Duration::from_millis(50));
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Ok(())
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})
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.unwrap();
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed to spawn process: " .. tostring(err))
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assert(proc, "Missing proc")
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// Wait briefly to ensure the process dies
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$wait_fn()
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local f = distant.utils.wrap_async(proc.write_stdin_async, $schedule_fn)
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local err
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f(proc, "some text\n", function(success, res)
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if not success then
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err = res
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end
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end)
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assert(err, "Unexpectedly succeeded")
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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// NOTE: Ignoring on windows because it's using WSL which wants a Linux path
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// with / but thinks it's on windows and is providing \
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#[rstest]
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#[cfg_attr(windows, ignore)]
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fn should_support_sending_stdin_to_spawned_process(ctx: &'_ DistantServerCtx) {
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let lua = lua::make().unwrap();
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let new_session = session::make_function(&lua, ctx).unwrap();
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let schedule_fn = poll::make_function(&lua).unwrap();
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let cmd = SCRIPT_RUNNER.to_string();
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let args = vec![ECHO_STDIN_TO_STDOUT_SH.to_str().unwrap().to_string()];
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let result = lua
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.load(chunk! {
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local session = $new_session()
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local distant = require("distant_lua")
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local f = distant.utils.wrap_async(session.spawn_async, $schedule_fn)
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// Because of our scheduler, the invocation turns async -> sync
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local err, proc
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f(session, { cmd = $cmd, args = $args }, function(success, res)
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if success then
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proc = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed spawning process: " .. tostring(err))
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assert(proc, "Missing proc")
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local f = distant.utils.wrap_async(proc.write_stdin_async, $schedule_fn)
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local err
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f(proc, "some text\n", function(success, res)
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if not success then
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed writing stdin: " .. tostring(err))
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local f = distant.utils.wrap_async(proc.read_stdout_async, $schedule_fn)
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local err, stdout
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f(proc, function(success, res)
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if success then
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stdout = res
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else
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err = res
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end
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end)
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assert(not err, "Unexpectedly failed reading stdout: " .. tostring(err))
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assert(stdout == "some text\n", "Unexpected stdout received: " .. stdout)
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})
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.exec();
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assert!(result.is_ok(), "Failed: {}", result.unwrap_err());
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}
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