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feat(cli): Improve the list command with options, and then some

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1.
`rustlings list` should now display more than just the exercise names.
Information such as file paths and exercises statuses should be displayed.
The `--paths` option limits the displayed fields to only the path names; while the `--names`
option limits the displayed fields to only exercise names.
You can also control which exercises are displayed, by using the `--filter` option, or
the `--solved` or `--unsolved` flags.

Some use cases:
- Fetching pending exercise files with the keyword "conversion" to pass to my editor:
```sh
vim $(rustlings list --filter "conversion" --paths --unsolved)
```

- Fetching exercise names with keyword "conversion" to pass to `rustlings run`:
```sh
for exercise in $(rustlings list --filter "conversion" --names)
do
    rustlings run ${exercise}
done
```

2.
This should also fix #465, and will likely fix #585, as well.
That bug mentioned in those issues has to do with the way the `watch` command handler fetches the pending exercises.
Going forward, the least recently updated exercises along with all the other exercises in a pending state are fetched.
This commit is contained in:
Abdou Seck 2020-12-12 13:48:25 -05:00
parent 0b9220c1fc
commit 8bbe4ff138
3 changed files with 197 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
src/main.rs
View File

@ -7,7 +7,7 @@ use notify::DebouncedEvent;
use notify::{RecommendedWatcher, RecursiveMode, Watcher};
use std::ffi::OsStr;
use std::fs;
use std::io;
use std::io::{self, prelude::*};
use std::path::Path;
use std::process::{Command, Stdio};
use std::sync::mpsc::channel;
@ -58,6 +58,45 @@ fn main() {
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();
@ -93,9 +132,51 @@ fn main() {
let exercises = toml::from_str::<ExerciseList>(toml_str).unwrap().exercises;
let verbose = matches.is_present("nocapture");
if matches.subcommand_matches("list").is_some() {
exercises.iter().for_each(|e| println!("{}", e.name));
// Handle the list command
if let Some(list_m) = matches.subcommand_matches("list") {
if ["paths", "names"].iter().all(|k| !list_m.is_present(k)) {
println!("{:<17}\t{:<46}\t{:<7}", "Name", "Path", "Status");
}
let filters = list_m.value_of("filter").unwrap_or_default().to_lowercase();
exercises.iter().for_each(|e| {
let fname = format!("{}", e.path.display());
let filter_cond = filters
.split(',')
.filter(|f| f.trim().len() > 0)
.any(|f| e.name.contains(&f) || fname.contains(&f));
let status = if e.looks_done() { "Done" } else { "Pending" };
let solve_cond = {
(e.looks_done() && list_m.is_present("solved"))
|| (!e.looks_done() && list_m.is_present("unsolved"))
|| (!list_m.is_present("solved") && !list_m.is_present("unsolved"))
};
if solve_cond && (filter_cond || !list_m.is_present("filter")) {
let line = if list_m.is_present("paths") {
format!("{}\n", fname)
} else if list_m.is_present("names") {
format!("{}\n", e.name)
} else {
format!("{:<17}\t{:<46}\t{:<7}\n", e.name, fname, status)
};
// Somehow using println! leads to the binary panicking
// when its output is piped.
// So, we're handling a Broken Pipe error and exiting with 0 anyway
let stdout = std::io::stdout();
{
let mut handle = stdout.lock();
handle.write_all(line.as_bytes()).unwrap_or_else(|e| {
match e.kind() {
std::io::ErrorKind::BrokenPipe => std::process::exit(0),
_ => std::process::exit(1),
};
});
}
}
});
std::process::exit(0);
}
// Handle the run command
if let Some(ref matches) = matches.subcommand_matches("run") {
let name = matches.value_of("name").unwrap();
@ -123,13 +204,18 @@ fn main() {
println!("{}", exercise.hint);
}
// Handle the verify command
if matches.subcommand_matches("verify").is_some() {
verify(&exercises, verbose).unwrap_or_else(|_| std::process::exit(1));
}
// Handle the watch command
if matches.subcommand_matches("watch").is_some() {
if let Err(e) = watch(&exercises, verbose) {
println!("Error: Could not watch your progess. Error message was {:?}.", e);
println!(
"Error: Could not watch your progess. Error message was {:?}.",
e
);
println!("Most likely you've run out of disk space or your 'inotify limit' has been reached.");
std::process::exit(1);
}
@ -138,24 +224,24 @@ fn main() {
emoji = Emoji("🎉", "★")
);
println!();
println!("+----------------------------------------------------+");
println!("| You made it to the Fe-nish line! |");
println!("+-------------------------- ------------------------+");
println!("+----------------------------------------------------+");
println!("| You made it to the Fe-nish line! |");
println!("+-------------------------- ------------------------+");
println!(" \\/ ");
println!(" ▒▒ ▒▒▒▒▒▒▒▒ ▒▒▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
println!(" ░░▒▒▒▒░░▒▒ ▒▒ ▒▒ ▒▒ ▒▒░░▒▒▒▒ ");
println!(" ▓▓▓▓▓▓▓▓ ▓▓ ▓▓██ ▓▓ ▓▓██ ▓▓ ▓▓▓▓▓▓▓▓ ");
println!(" ▒▒▒▒ ▒▒ ████ ▒▒ ████ ▒▒░░ ▒▒▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓▒▒▒▒▒▒▒▒▓▓▒▒▓▓▒▒▒▒▒▒▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒▒▒ ▒▒▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
println!(" ░░▒▒▒▒░░▒▒ ▒▒ ▒▒ ▒▒ ▒▒░░▒▒▒▒ ");
println!(" ▓▓▓▓▓▓▓▓ ▓▓ ▓▓██ ▓▓ ▓▓██ ▓▓ ▓▓▓▓▓▓▓▓ ");
println!(" ▒▒▒▒ ▒▒ ████ ▒▒ ████ ▒▒░░ ▒▒▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓▒▒▒▒▒▒▒▒▓▓▒▒▓▓▒▒▒▒▒▒▒▒ ");
println!(" ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ");
println!(" ▒▒▒▒▒▒▒▒▒▒██▒▒▒▒▒▒██▒▒▒▒▒▒▒▒▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒██████▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒ ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ▒▒ ");
println!(" ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒██████▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
println!(" ▒▒ ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ▒▒ ");
println!(" ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ");
println!(" ▒▒ ▒▒ ▒▒ ▒▒ ");
println!();
println!("We hope you enjoyed learning about the various aspects of Rust!");
@ -223,7 +309,13 @@ fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
let filepath = b.as_path().canonicalize().unwrap();
let pending_exercises = exercises
.iter()
.skip_while(|e| !filepath.ends_with(&e.path));
.skip_while(|e| !filepath.ends_with(&e.path))
// .filter(|e| filepath.ends_with(&e.path))
.chain(
exercises
.iter()
.filter(|e| !e.looks_done() && !filepath.ends_with(&e.path))
);
clear_screen();
match verify(pending_exercises, verbose) {
Ok(_) => return Ok(()),

7
tests/fixture/state/info.toml
View File

@ -9,3 +9,10 @@ name = "pending_test_exercise"
path = "pending_test_exercise.rs"
mode = "test"
hint = """"""
[[exercises]]
name = "finished_exercise"
path = "finished_exercise.rs"
mode = "compile"
hint = """"""

78
tests/integration_tests.rs
View File

@ -181,3 +181,81 @@ fn run_single_test_success_without_output() {
.code(0)
.stdout(predicates::str::contains("THIS TEST TOO SHALL PAS").not());
}
#[test]
fn run_rustlings_list() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list"])
.current_dir("tests/fixture/success")
.assert()
.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]
fn run_rustlings_list_no_pending() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list"])
.current_dir("tests/fixture/success")
.assert()
.success()
.stdout(predicates::str::contains("Pending").not());
}
#[test]
fn run_rustlings_list_both_done_and_pending() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list"])
.current_dir("tests/fixture/state")
.assert()
.success()
.stdout(
predicates::str::contains("Done")
.and(predicates::str::contains("Pending"))
);
}
#[test]
fn run_rustlings_list_without_pending() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list", "--solved"])
.current_dir("tests/fixture/state")
.assert()
.success()
.stdout(predicates::str::contains("Pending").not());
}
#[test]
fn run_rustlings_list_without_done() {
Command::cargo_bin("rustlings")
.unwrap()
.args(&["list", "--unsolved"])
.current_dir("tests/fixture/state")
.assert()
.success()
.stdout(predicates::str::contains("Done").not());
}