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Code Issues Releases Activity

Respect the target-dir config and show tests' output

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This commit is contained in:
mo8it
2024-04-27 04:14:59 +02:00
parent dc5c72bc19
commit c82c367324
8 changed files with 176 additions and 158 deletions
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12
src/app_state.rs
View File

@ -7,7 +7,7 @@ use crossterm::{
use std::{
fs::{self, File},
io::{Read, StdoutLock, Write},
path::Path,
path::{Path, PathBuf},
process::{Command, Stdio},
};
@ -39,6 +39,7 @@ pub struct AppState {
final_message: String,
file_buf: Vec<u8>,
official_exercises: bool,
target_dir: PathBuf,
}
impl AppState {
@ -90,6 +91,7 @@ impl AppState {
pub fn new(
exercise_infos: Vec<ExerciseInfo>,
final_message: String,
target_dir: PathBuf,
) -> (Self, StateFileStatus) {
let exercises = exercise_infos
.into_iter()
@ -127,6 +129,7 @@ impl AppState {
final_message,
file_buf: Vec::with_capacity(2048),
official_exercises: !Path::new("info.toml").exists(),
target_dir,
};
let state_file_status = slf.update_from_file();
@ -154,6 +157,11 @@ impl AppState {
&self.exercises[self.current_exercise_ind]
}
#[inline]
pub fn target_dir(&self) -> &Path {
&self.target_dir
}
pub fn set_current_exercise_ind(&mut self, ind: usize) -> Result<()> {
if ind >= self.exercises.len() {
bail!(BAD_INDEX_ERR);
@ -313,7 +321,7 @@ impl AppState {
write!(writer, "Running {exercise} ... ")?;
writer.flush()?;
let success = exercise.run(&mut output)?;
let success = exercise.run(&mut output, &self.target_dir)?;
if !success {
writeln!(writer, "{}\n", "FAILED".red())?;

70
src/cmd.rs Normal file
View File

@ -0,0 +1,70 @@
use anyhow::{Context, Result};
use std::{io::Read, path::Path, process::Command};
pub fn run_cmd(mut cmd: Command, description: &str, output: &mut Vec<u8>) -> Result<bool> {
let (mut reader, writer) = os_pipe::pipe()
.with_context(|| format!("Failed to create a pipe to run the command `{description}``"))?;
let writer_clone = writer.try_clone().with_context(|| {
format!("Failed to clone the pipe writer for the command `{description}`")
})?;
let mut handle = cmd
.stdout(writer_clone)
.stderr(writer)
.spawn()
.with_context(|| format!("Failed to run the command `{description}`"))?;
// Prevent pipe deadlock.
drop(cmd);
reader
.read_to_end(output)
.with_context(|| format!("Failed to read the output of the command `{description}`"))?;
output.push(b'\n');
handle
.wait()
.with_context(|| format!("Failed to wait on the command `{description}` to exit"))
.map(|status| status.success())
}
pub struct CargoCmd<'a> {
pub subcommand: &'a str,
pub args: &'a [&'a str],
pub exercise_name: &'a str,
pub description: &'a str,
pub hide_warnings: bool,
pub target_dir: &'a Path,
pub output: &'a mut Vec<u8>,
pub dev: bool,
}
impl<'a> CargoCmd<'a> {
pub fn run(&mut self) -> Result<bool> {
let mut cmd = Command::new("cargo");
cmd.arg(self.subcommand);
// A hack to make `cargo run` work when developing Rustlings.
if self.dev {
cmd.arg("--manifest-path")
.arg("dev/Cargo.toml")
.arg("--target-dir")
.arg(self.target_dir);
}
cmd.arg("--color")
.arg("always")
.arg("-q")
.arg("--bin")
.arg(self.exercise_name)
.args(self.args);
if self.hide_warnings {
cmd.env("RUSTFLAGS", "-A warnings");
}
run_cmd(cmd, self.description, self.output)
}
}

145
src/exercise.rs
View File

@ -1,57 +1,21 @@
use anyhow::{Context, Result};
use anyhow::Result;
use crossterm::style::{style, StyledContent, Stylize};
use std::{
fmt::{self, Display, Formatter},
io::{Read, Write},
process::{Command, Stdio},
io::Write,
path::{Path, PathBuf},
process::Command,
};
use crate::{in_official_repo, terminal_link::TerminalFileLink, DEBUG_PROFILE};
use crate::{
cmd::{run_cmd, CargoCmd},
in_official_repo,
terminal_link::TerminalFileLink,
DEBUG_PROFILE,
};
pub const OUTPUT_CAPACITY: usize = 1 << 14;
fn run_command(
mut cmd: Command,
cmd_description: &str,
output: &mut Vec<u8>,
stderr: bool,
) -> Result<bool> {
let (mut reader, writer) = os_pipe::pipe().with_context(|| {
format!("Failed to create a pipe to run the command `{cmd_description}``")
})?;
let (stdout, stderr) = if stderr {
(
Stdio::from(writer.try_clone().with_context(|| {
format!("Failed to clone the pipe writer for the command `{cmd_description}`")
})?),
Stdio::from(writer),
)
} else {
(Stdio::from(writer), Stdio::null())
};
let mut handle = cmd
.stdout(stdout)
.stderr(stderr)
.spawn()
.with_context(|| format!("Failed to run the command `{cmd_description}`"))?;
// Prevent pipe deadlock.
drop(cmd);
reader
.read_to_end(output)
.with_context(|| format!("Failed to read the output of the command `{cmd_description}`"))?;
output.push(b'\n');
handle
.wait()
.with_context(|| format!("Failed to wait on the command `{cmd_description}` to exit"))
.map(|status| status.success())
}
pub struct Exercise {
pub dir: Option<&'static str>,
// Exercise's unique name
@ -66,11 +30,16 @@ pub struct Exercise {
}
impl Exercise {
fn run_bin(&self, output: &mut Vec<u8>) -> Result<bool> {
fn run_bin(&self, output: &mut Vec<u8>, target_dir: &Path) -> Result<bool> {
writeln!(output, "{}", "Output".underlined())?;
let bin_path = format!("target/debug/{}", self.name);
let success = run_command(Command::new(&bin_path), &bin_path, output, true)?;
let mut bin_path =
PathBuf::with_capacity(target_dir.as_os_str().len() + 7 + self.name.len());
bin_path.push(target_dir);
bin_path.push("debug");
bin_path.push(self.name);
let success = run_cmd(Command::new(&bin_path), &bin_path.to_string_lossy(), output)?;
if !success {
writeln!(
@ -85,43 +54,23 @@ impl Exercise {
Ok(success)
}
fn cargo_cmd(
&self,
command: &str,
args: &[&str],
cmd_description: &str,
output: &mut Vec<u8>,
dev: bool,
stderr: bool,
) -> Result<bool> {
let mut cmd = Command::new("cargo");
cmd.arg(command);
// A hack to make `cargo run` work when developing Rustlings.
if dev {
cmd.arg("--manifest-path")
.arg("dev/Cargo.toml")
.arg("--target-dir")
.arg("target");
}
cmd.arg("--color")
.arg("always")
.arg("-q")
.arg("--bin")
.arg(self.name)
.args(args);
run_command(cmd, cmd_description, output, stderr)
}
pub fn run(&self, output: &mut Vec<u8>) -> Result<bool> {
pub fn run(&self, output: &mut Vec<u8>, target_dir: &Path) -> Result<bool> {
output.clear();
// Developing the official Rustlings.
let dev = DEBUG_PROFILE && in_official_repo();
let build_success = self.cargo_cmd("build", &[], "cargo build …", output, dev, true)?;
let build_success = CargoCmd {
subcommand: "build",
args: &[],
exercise_name: self.name,
description: "cargo build …",
hide_warnings: false,
target_dir,
output,
dev,
}
.run()?;
if !build_success {
return Ok(false);
}
@ -134,19 +83,28 @@ impl Exercise {
} else {
&["--profile", "test"]
};
let clippy_success =
self.cargo_cmd("clippy", clippy_args, "cargo clippy …", output, dev, true)?;
let clippy_success = CargoCmd {
subcommand: "clippy",
args: clippy_args,
exercise_name: self.name,
description: "cargo clippy …",
hide_warnings: false,
target_dir,
output,
dev,
}
.run()?;
if !clippy_success {
return Ok(false);
}
if !self.test {
return self.run_bin(output);
return self.run_bin(output, target_dir);
}
let test_success = self.cargo_cmd(
"test",
&[
let test_success = CargoCmd {
subcommand: "test",
args: &[
"--",
"--color",
"always",
@ -154,14 +112,17 @@ impl Exercise {
"--format",
"pretty",
],
"cargo test …",
exercise_name: self.name,
description: "cargo test …",
// Hide warnings because they are shown by Clippy.
hide_warnings: true,
target_dir,
output,
dev,
// Hide warnings because they are shown by Clippy.
false,
)?;
}
.run()?;
let run_success = self.run_bin(output)?;
let run_success = self.run_bin(output, target_dir)?;
Ok(test_success && run_success)
}

29
src/main.rs
View File

@ -5,16 +5,18 @@ use crossterm::{
terminal::{Clear, ClearType},
ExecutableCommand,
};
use serde::Deserialize;
use std::{
io::{self, BufRead, Write},
path::Path,
process::exit,
path::{Path, PathBuf},
process::{exit, Command, Stdio},
};
use self::{app_state::AppState, dev::DevCommands, info_file::InfoFile, watch::WatchExit};
mod app_state;
mod cargo_toml;
mod cmd;
mod dev;
mod embedded;
mod exercise;
@ -75,6 +77,11 @@ enum Subcommands {
Dev(DevCommands),
}
#[derive(Deserialize)]
struct CargoMetadata {
target_directory: PathBuf,
}
fn in_official_repo() -> bool {
Path::new("dev/rustlings-repo.txt").exists()
}
@ -86,7 +93,20 @@ fn main() -> Result<()> {
bail!("{OLD_METHOD_ERR}");
}
which::which("cargo").context(CARGO_NOT_FOUND_ERR)?;
let metadata_output = Command::new("cargo")
.arg("metadata")
.arg("-q")
.arg("--format-version")
.arg("1")
.arg("--no-deps")
.stdin(Stdio::null())
.stderr(Stdio::inherit())
.output()
.context(CARGO_METADATA_ERR)?
.stdout;
let target_dir = serde_json::de::from_slice::<CargoMetadata>(&metadata_output)
.context("Failed to read the field `target_directory` from the `cargo metadata` output")?
.target_directory;
match args.command {
Some(Subcommands::Init) => {
@ -122,6 +142,7 @@ fn main() -> Result<()> {
let (mut app_state, state_file_status) = AppState::new(
info_file.exercises,
info_file.final_message.unwrap_or_default(),
target_dir,
);
if let Some(welcome_message) = info_file.welcome_message {
@ -198,7 +219,7 @@ The new method doesn't include cloning the Rustlings' repository.
Please follow the instructions in the README:
https://github.com/rust-lang/rustlings#getting-started";
const CARGO_NOT_FOUND_ERR: &str = "Failed to find `cargo`.
const CARGO_METADATA_ERR: &str = "Failed to run the command `cargo metadata …`
Did you already install Rust?
Try running `cargo --version` to diagnose the problem.";

2
src/run.rs
View File

@ -11,7 +11,7 @@ use crate::{
pub fn run(app_state: &mut AppState) -> Result<()> {
let exercise = app_state.current_exercise();
let mut output = Vec::with_capacity(OUTPUT_CAPACITY);
let success = exercise.run(&mut output)?;
let success = exercise.run(&mut output, app_state.target_dir())?;
let mut stdout = io::stdout().lock();
stdout.write_all(&output)?;

5
src/watch/state.rs
View File

@ -50,7 +50,10 @@ impl<'a> WatchState<'a> {
pub fn run_current_exercise(&mut self) -> Result<()> {
self.show_hint = false;
let success = self.app_state.current_exercise().run(&mut self.output)?;
let success = self
.app_state
.current_exercise()
.run(&mut self.output, self.app_state.target_dir())?;
if success {
self.done_status =
if let Some(solution_path) = self.app_state.current_solution_path()? {