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Merge pull request #715 from rust-lang/feat/declap

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feat: Replace clap with argh
This commit is contained in:
marisa 2021-04-21 16:33:07 +02:00 committed by GitHub
parent 127773f3f5 347f30bd86
commit afa661cff4
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5 changed files with 427 additions and 618 deletions
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@ -2,22 +2,42 @@
# It is not intended for manual editing. # It is not intended for manual editing.
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2
Cargo.toml
View file

@ -5,7 +5,7 @@ authors = ["Marisa <mokou@posteo.de>", "Carol (Nichols || Goulding) <carol.nicho
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clap = "2.32.0" argh = "0.1.4"
indicatif = "0.10.3" indicatif = "0.10.3"
console = "0.7.7" console = "0.7.7"
notify = "4.0.15" notify = "4.0.15"

4
src/exercise.rs
View file

@ -24,7 +24,7 @@ fn temp_file() -> String {
} }
// The mode of the exercise. // The mode of the exercise.
#[derive(Deserialize, Copy, Clone)] #[derive(Deserialize, Copy, Clone, Debug)]
#[serde(rename_all = "lowercase")] #[serde(rename_all = "lowercase")]
pub enum Mode { pub enum Mode {
// Indicates that the exercise should be compiled as a binary // Indicates that the exercise should be compiled as a binary
@ -42,7 +42,7 @@ pub struct ExerciseList {
// A representation of a rustlings exercise. // A representation of a rustlings exercise.
// This is deserialized from the accompanying info.toml file // This is deserialized from the accompanying info.toml file
#[derive(Deserialize)] #[derive(Deserialize, Debug)]
pub struct Exercise { pub struct Exercise {
// Name of the exercise // Name of the exercise
pub name: String, pub name: String,

241
src/main.rs
View file

@ -1,7 +1,7 @@
use crate::exercise::{Exercise, ExerciseList}; use crate::exercise::{Exercise, ExerciseList};
use crate::run::run; use crate::run::run;
use crate::verify::verify; use crate::verify::verify;
use clap::{crate_version, App, Arg, SubCommand}; use argh::FromArgs;
use console::Emoji; use console::Emoji;
use notify::DebouncedEvent; use notify::DebouncedEvent;
use notify::{RecommendedWatcher, RecursiveMode, Watcher}; use notify::{RecommendedWatcher, RecursiveMode, Watcher};
@ -22,85 +22,91 @@ mod exercise;
mod run; mod run;
mod verify; mod verify;
fn main() { // In sync with crate version
let matches = App::new("rustlings") const VERSION: &str = "4.3.0";
.version(crate_version!())
.author("Marisa, Carol Nichols")
.about("Rustlings is a collection of small exercises to get you used to writing and reading Rust code")
.arg(
Arg::with_name("nocapture")
.long("nocapture")
.help("Show outputs from the test exercises")
)
.subcommand(
SubCommand::with_name("verify")
.alias("v")
.about("Verifies all exercises according to the recommended order")
)
.subcommand(
SubCommand::with_name("watch")
.alias("w")
.about("Reruns `verify` when files were edited")
)
.subcommand(
SubCommand::with_name("run")
.alias("r")
.about("Runs/Tests a single exercise")
.arg(Arg::with_name("name").required(true).index(1)),
)
.subcommand(
SubCommand::with_name("hint")
.alias("h")
.about("Returns a hint for the current exercise")
.arg(Arg::with_name("name").required(true).index(1)),
)
.subcommand(
SubCommand::with_name("list")
.alias("l")
.about("Lists the exercises available in rustlings")
.arg(
Arg::with_name("paths")
.long("paths")
.short("p")
.conflicts_with("names")
.help("Show only the paths of the exercises")
)
.arg(
Arg::with_name("names")
.long("names")
.short("n")
.conflicts_with("paths")
.help("Show only the names of the exercises")
)
.arg(
Arg::with_name("filter")
.long("filter")
.short("f")
.takes_value(true)
.empty_values(false)
.help(
"Provide a string to match the exercise names.\
\nComma separated patterns are acceptable."
)
)
.arg(
Arg::with_name("unsolved")
.long("unsolved")
.short("u")
.conflicts_with("solved")
.help("Display only exercises not yet solved")
)
.arg(
Arg::with_name("solved")
.long("solved")
.short("s")
.conflicts_with("unsolved")
.help("Display only exercises that have been solved")
)
)
.get_matches();
if matches.subcommand_name().is_none() { #[derive(FromArgs, PartialEq, Debug)]
/// Rustlings is a collection of small exercises to get you used to writing and reading Rust code
struct Args {
/// show outputs from the test exercises
#[argh(switch)]
nocapture: bool,
/// show the executable version
#[argh(switch, short = 'v')]
version: bool,
#[argh(subcommand)]
nested: Option<Subcommands>,
}
#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand)]
enum Subcommands {
Verify(VerifyArgs),
Watch(WatchArgs),
Run(RunArgs),
Hint(HintArgs),
List(ListArgs),
}
#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand, name = "verify")]
/// Verifies all exercises according to the recommended order
struct VerifyArgs {}
#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand, name = "watch")]
/// Reruns `verify` when files were edited
struct WatchArgs {}
#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand, name = "run")]
/// Runs/Tests a single exercise
struct RunArgs {
#[argh(positional)]
/// the name of the exercise
name: String,
}
#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand, name = "hint")]
/// Returns a hint for the given exercise
struct HintArgs {
#[argh(positional)]
/// the name of the exercise
name: String,
}
#[derive(FromArgs, PartialEq, Debug)]
#[argh(subcommand, name = "list")]
/// Lists the exercises available in Rustlings
struct ListArgs {
#[argh(switch, short = 'p')]
/// show only the paths of the exercises
paths: bool,
#[argh(switch, short = 'n')]
/// show only the names of the exercises
names: bool,
#[argh(option, short = 'f')]
/// provide a string to match exercise names
/// comma separated patterns are acceptable
filter: Option<String>,
#[argh(switch, short = 'u')]
/// display only exercises not yet solved
unsolved: bool,
#[argh(switch, short = 's')]
/// display only exercises that have been solved
solved: bool,
}
fn main() {
let args: Args = argh::from_env();
if args.version {
println!("v{}", VERSION);
std::process::exit(0);
}
if args.nested.is_none() {
println!(); println!();
println!(r#" welcome to... "#); println!(r#" welcome to... "#);
println!(r#" _ _ _ "#); println!(r#" _ _ _ "#);
@ -130,15 +136,20 @@ fn main() {
let toml_str = &fs::read_to_string("info.toml").unwrap(); let toml_str = &fs::read_to_string("info.toml").unwrap();
let exercises = toml::from_str::<ExerciseList>(toml_str).unwrap().exercises; let exercises = toml::from_str::<ExerciseList>(toml_str).unwrap().exercises;
let verbose = matches.is_present("nocapture"); let verbose = args.nocapture;
// Handle the list command let command = args.nested.unwrap_or_else(|| {
if let Some(list_m) = matches.subcommand_matches("list") { let text = fs::read_to_string("default_out.txt").unwrap();
if ["paths", "names"].iter().all(|k| !list_m.is_present(k)) { println!("{}", text);
std::process::exit(0);
});
match command {
Subcommands::List(subargs) => {
if !subargs.paths && !subargs.names {
println!("{:<17}\t{:<46}\t{:<7}", "Name", "Path", "Status"); println!("{:<17}\t{:<46}\t{:<7}", "Name", "Path", "Status");
} }
let filters = list_m.value_of("filter").unwrap_or_default().to_lowercase();
let mut exercises_done: u16 = 0; let mut exercises_done: u16 = 0;
let filters = subargs.filter.clone().unwrap_or_default().to_lowercase();
exercises.iter().for_each(|e| { exercises.iter().for_each(|e| {
let fname = format!("{}", e.path.display()); let fname = format!("{}", e.path.display());
let filter_cond = filters let filter_cond = filters
@ -146,20 +157,20 @@ fn main() {
.filter(|f| !f.trim().is_empty()) .filter(|f| !f.trim().is_empty())
.any(|f| e.name.contains(&f) || fname.contains(&f)); .any(|f| e.name.contains(&f) || fname.contains(&f));
let status = if e.looks_done() { let status = if e.looks_done() {
exercises_done = exercises_done + 1; exercises_done += 1;
"Done" "Done"
} else { } else {
"Pending" "Pending"
}; };
let solve_cond = { let solve_cond = {
(e.looks_done() && list_m.is_present("solved")) (e.looks_done() && subargs.solved)
|| (!e.looks_done() && list_m.is_present("unsolved")) || (!e.looks_done() && subargs.unsolved)
|| (!list_m.is_present("solved") && !list_m.is_present("unsolved")) || (!subargs.solved && !subargs.unsolved)
}; };
if solve_cond && (filter_cond || !list_m.is_present("filter")) { if solve_cond && (filter_cond || subargs.filter.is_none()) {
let line = if list_m.is_present("paths") { let line = if subargs.paths {
format!("{}\n", fname) format!("{}\n", fname)
} else if list_m.is_present("names") { } else if subargs.names {
format!("{}\n", e.name) format!("{}\n", e.name)
} else { } else {
format!("{:<17}\t{:<46}\t{:<7}\n", e.name, fname, status) format!("{:<17}\t{:<46}\t{:<7}\n", e.name, fname, status)
@ -189,41 +200,23 @@ fn main() {
std::process::exit(0); std::process::exit(0);
} }
// Handle the run command Subcommands::Run(subargs) => {
if let Some(ref matches) = matches.subcommand_matches("run") { let exercise = find_exercise(&subargs.name, &exercises);
let name = matches.value_of("name").unwrap();
let matching_exercise = |e: &&Exercise| name == e.name;
let exercise = exercises.iter().find(matching_exercise).unwrap_or_else(|| {
println!("No exercise found for your given name!");
std::process::exit(1)
});
run(&exercise, verbose).unwrap_or_else(|_| std::process::exit(1)); run(&exercise, verbose).unwrap_or_else(|_| std::process::exit(1));
} }
if let Some(ref matches) = matches.subcommand_matches("hint") { Subcommands::Hint(subargs) => {
let name = matches.value_of("name").unwrap(); let exercise = find_exercise(&subargs.name, &exercises);
let exercise = exercises
.iter()
.find(|e| name == e.name)
.unwrap_or_else(|| {
println!("No exercise found for your given name!");
std::process::exit(1)
});
println!("{}", exercise.hint); println!("{}", exercise.hint);
} }
// Handle the verify command Subcommands::Verify(_subargs) => {
if matches.subcommand_matches("verify").is_some() {
verify(&exercises, verbose).unwrap_or_else(|_| std::process::exit(1)); verify(&exercises, verbose).unwrap_or_else(|_| std::process::exit(1));
} }
// Handle the watch command Subcommands::Watch(_subargs) => {
if matches.subcommand_matches("watch").is_some() {
if let Err(e) = watch(&exercises, verbose) { if let Err(e) = watch(&exercises, verbose) {
println!( println!(
"Error: Could not watch your progress. Error message was {:?}.", "Error: Could not watch your progress. Error message was {:?}.",
@ -258,16 +251,14 @@ fn main() {
println!(" ▒▒ ▒▒ ▒▒ ▒▒ "); println!(" ▒▒ ▒▒ ▒▒ ▒▒ ");
println!(); println!();
println!("We hope you enjoyed learning about the various aspects of Rust!"); println!("We hope you enjoyed learning about the various aspects of Rust!");
println!("If you noticed any issues, please don't hesitate to report them to our repo."); println!(
"If you noticed any issues, please don't hesitate to report them to our repo."
);
println!("You can also contribute your own exercises to help the greater community!"); println!("You can also contribute your own exercises to help the greater community!");
println!(); println!();
println!("Before reporting an issue or contributing, please read our guidelines:"); println!("Before reporting an issue or contributing, please read our guidelines:");
println!("https://github.com/rust-lang/rustlings/blob/main/CONTRIBUTING.md"); println!("https://github.com/rust-lang/rustlings/blob/main/CONTRIBUTING.md");
} }
if matches.subcommand_name().is_none() {
let text = fs::read_to_string("default_out.txt").unwrap();
println!("{}", text);
} }
} }
@ -294,6 +285,16 @@ fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
}); });
} }
fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise {
exercises
.iter()
.find(|e| e.name == name)
.unwrap_or_else(|| {
println!("No exercise found for '{}'!", name);
std::process::exit(1)
})
}
fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> { fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
/* Clears the terminal with an ANSI escape code. /* Clears the terminal with an ANSI escape code.
Works in UNIX and newer Windows terminals. */ Works in UNIX and newer Windows terminals. */

63
tests/integration_tests.rs
View file

@ -24,7 +24,7 @@ fn fails_when_in_wrong_dir() {
fn verify_all_success() { fn verify_all_success() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.arg("v") .arg("verify")
.current_dir("tests/fixture/success") .current_dir("tests/fixture/success")
.assert() .assert()
.success(); .success();
@ -34,7 +34,7 @@ fn verify_all_success() {
fn verify_fails_if_some_fails() { fn verify_fails_if_some_fails() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.arg("v") .arg("verify")
.current_dir("tests/fixture/failure") .current_dir("tests/fixture/failure")
.assert() .assert()
.code(1); .code(1);
@ -44,7 +44,7 @@ fn verify_fails_if_some_fails() {
fn run_single_compile_success() { fn run_single_compile_success() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "compSuccess"]) .args(&["run", "compSuccess"])
.current_dir("tests/fixture/success/") .current_dir("tests/fixture/success/")
.assert() .assert()
.success(); .success();
@ -54,7 +54,7 @@ fn run_single_compile_success() {
fn run_single_compile_failure() { fn run_single_compile_failure() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "compFailure"]) .args(&["run", "compFailure"])
.current_dir("tests/fixture/failure/") .current_dir("tests/fixture/failure/")
.assert() .assert()
.code(1); .code(1);
@ -64,7 +64,7 @@ fn run_single_compile_failure() {
fn run_single_test_success() { fn run_single_test_success() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "testSuccess"]) .args(&["run", "testSuccess"])
.current_dir("tests/fixture/success/") .current_dir("tests/fixture/success/")
.assert() .assert()
.success(); .success();
@ -74,7 +74,7 @@ fn run_single_test_success() {
fn run_single_test_failure() { fn run_single_test_failure() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "testFailure"]) .args(&["run", "testFailure"])
.current_dir("tests/fixture/failure/") .current_dir("tests/fixture/failure/")
.assert() .assert()
.code(1); .code(1);
@ -84,7 +84,7 @@ fn run_single_test_failure() {
fn run_single_test_not_passed() { fn run_single_test_not_passed() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "testNotPassed.rs"]) .args(&["run", "testNotPassed.rs"])
.current_dir("tests/fixture/failure/") .current_dir("tests/fixture/failure/")
.assert() .assert()
.code(1); .code(1);
@ -94,7 +94,7 @@ fn run_single_test_not_passed() {
fn run_single_test_no_filename() { fn run_single_test_no_filename() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.arg("r") .arg("run")
.current_dir("tests/fixture/") .current_dir("tests/fixture/")
.assert() .assert()
.code(1); .code(1);
@ -104,7 +104,7 @@ fn run_single_test_no_filename() {
fn run_single_test_no_exercise() { fn run_single_test_no_exercise() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "compNoExercise.rs"]) .args(&["run", "compNoExercise.rs"])
.current_dir("tests/fixture/failure") .current_dir("tests/fixture/failure")
.assert() .assert()
.code(1); .code(1);
@ -114,7 +114,7 @@ fn run_single_test_no_exercise() {
fn get_hint_for_single_test() { fn get_hint_for_single_test() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["h", "testFailure"]) .args(&["hint", "testFailure"])
.current_dir("tests/fixture/failure") .current_dir("tests/fixture/failure")
.assert() .assert()
.code(0) .code(0)
@ -131,10 +131,15 @@ fn all_exercises_require_confirmation() {
file.read_to_string(&mut s).unwrap(); file.read_to_string(&mut s).unwrap();
s s
}; };
source.matches("// I AM NOT DONE").next().unwrap_or_else(|| panic!( source
.matches("// I AM NOT DONE")
.next()
.unwrap_or_else(|| {
panic!(
"There should be an `I AM NOT DONE` annotation in {:?}", "There should be an `I AM NOT DONE` annotation in {:?}",
path path
)); )
});
} }
} }
@ -142,7 +147,7 @@ fn all_exercises_require_confirmation() {
fn run_compile_exercise_does_not_prompt() { fn run_compile_exercise_does_not_prompt() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "pending_exercise"]) .args(&["run", "pending_exercise"])
.current_dir("tests/fixture/state") .current_dir("tests/fixture/state")
.assert() .assert()
.code(0) .code(0)
@ -153,7 +158,7 @@ fn run_compile_exercise_does_not_prompt() {
fn run_test_exercise_does_not_prompt() { fn run_test_exercise_does_not_prompt() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "pending_test_exercise"]) .args(&["run", "pending_test_exercise"])
.current_dir("tests/fixture/state") .current_dir("tests/fixture/state")
.assert() .assert()
.code(0) .code(0)
@ -164,7 +169,7 @@ fn run_test_exercise_does_not_prompt() {
fn run_single_test_success_with_output() { fn run_single_test_success_with_output() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["--nocapture", "r", "testSuccess"]) .args(&["--nocapture", "run", "testSuccess"])
.current_dir("tests/fixture/success/") .current_dir("tests/fixture/success/")
.assert() .assert()
.code(0) .code(0)
@ -175,7 +180,7 @@ fn run_single_test_success_with_output() {
fn run_single_test_success_without_output() { fn run_single_test_success_without_output() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
.unwrap() .unwrap()
.args(&["r", "testSuccess"]) .args(&["run", "testSuccess"])
.current_dir("tests/fixture/success/") .current_dir("tests/fixture/success/")
.assert() .assert()
.code(0) .code(0)
@ -192,26 +197,6 @@ fn run_rustlings_list() {
.success(); .success();
} }
#[test]
fn run_rustlings_list_conflicting_display_options() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list", "--names", "--paths"])
.current_dir("tests/fixture/success")
.assert()
.failure();
}
#[test]
fn run_rustlings_list_conflicting_solve_options() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list", "--solved", "--unsolved"])
.current_dir("tests/fixture/success")
.assert()
.failure();
}
#[test] #[test]
fn run_rustlings_list_no_pending() { fn run_rustlings_list_no_pending() {
Command::cargo_bin("rustlings") Command::cargo_bin("rustlings")
@ -231,10 +216,7 @@ fn run_rustlings_list_both_done_and_pending() {
.current_dir("tests/fixture/state") .current_dir("tests/fixture/state")
.assert() .assert()
.success() .success()
.stdout( .stdout(predicates::str::contains("Done").and(predicates::str::contains("Pending")));
predicates::str::contains("Done")
.and(predicates::str::contains("Pending"))
);
} }
#[test] #[test]
@ -258,4 +240,3 @@ fn run_rustlings_list_without_done() {
.success() .success()
.stdout(predicates::str::contains("Done").not()); .stdout(predicates::str::contains("Done").not());
} }