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rustlings-exercises-completed/src/verify.rs
2019-11-18 20:52:57 +01:00

130 lines
4.2 KiB
Rust

use crate::exercise::{Exercise, Mode, State};
use console::{style, Emoji};
use indicatif::ProgressBar;
pub fn verify<'a>(start_at: impl IntoIterator<Item = &'a Exercise>) -> Result<(), &'a Exercise> {
for exercise in start_at {
let compile_result = match exercise.mode {
Mode::Test => compile_and_test_interactively(&exercise),
Mode::Compile => compile_only(&exercise),
};
if !compile_result.unwrap_or(false) {
return Err(exercise);
}
}
Ok(())
}
pub fn test(exercise: &Exercise) -> Result<(), ()> {
compile_and_test(exercise, true)?;
Ok(())
}
fn compile_only(exercise: &Exercise) -> Result<bool, ()> {
let progress_bar = ProgressBar::new_spinner();
progress_bar.set_message(format!("Compiling {}...", exercise).as_str());
progress_bar.enable_steady_tick(100);
let compile_output = exercise.compile();
progress_bar.finish_and_clear();
if compile_output.status.success() {
let formatstr = format!("{} Successfully compiled {}!", Emoji("", ""), exercise);
println!("{}", style(formatstr).green());
exercise.clean();
Ok(prompt_for_completion(&exercise))
} else {
let formatstr = format!(
"{} Compilation of {} failed! Compiler error message:\n",
Emoji("⚠️ ", "!"),
exercise
);
println!("{}", style(formatstr).red());
println!("{}", String::from_utf8_lossy(&compile_output.stderr));
exercise.clean();
Err(())
}
}
fn compile_and_test_interactively(exercise: &Exercise) -> Result<bool, ()> {
compile_and_test(exercise, false)
}
fn compile_and_test(exercise: &Exercise, skip_prompt: bool) -> Result<bool, ()> {
let progress_bar = ProgressBar::new_spinner();
progress_bar.set_message(format!("Testing {}...", exercise).as_str());
progress_bar.enable_steady_tick(100);
let compile_output = exercise.compile();
if compile_output.status.success() {
progress_bar.set_message(format!("Running {}...", exercise).as_str());
let runcmd = exercise.run();
progress_bar.finish_and_clear();
if runcmd.status.success() {
let formatstr = format!("{} Successfully tested {}!", Emoji("", ""), exercise);
println!("{}", style(formatstr).green());
exercise.clean();
Ok(skip_prompt || prompt_for_completion(exercise))
} else {
let formatstr = format!(
"{} Testing of {} failed! Please try again. Here's the output:",
Emoji("⚠️ ", "!"),
exercise
);
println!("{}", style(formatstr).red());
println!("{}", String::from_utf8_lossy(&runcmd.stdout));
exercise.clean();
Err(())
}
} else {
progress_bar.finish_and_clear();
let formatstr = format!(
"{} Compiling of {} failed! Please try again. Here's the output:",
Emoji("⚠️ ", "!"),
exercise
);
println!("{}", style(formatstr).red());
println!("{}", String::from_utf8_lossy(&compile_output.stderr));
exercise.clean();
Err(())
}
}
fn prompt_for_completion(exercise: &Exercise) -> bool {
let context = match exercise.state() {
State::Done => return true,
State::Pending(context) => context,
};
let success_msg = match exercise.mode {
Mode::Compile => "The code is compiling!",
Mode::Test => "The code is compiling, and the tests pass!",
};
println!("");
println!("🎉 🎉 {} 🎉 🎉", success_msg);
println!("");
println!("You can keep working on this exercise,");
println!(
"or jump into the next one by removing the {} comment:",
style("`I AM NOT DONE`").bold()
);
println!("");
for context_line in context {
let formatted_line = if context_line.important {
format!("{}", style(context_line.line).bold())
} else {
format!("{}", context_line.line)
};
println!(
"{:>2} {} {}",
style(context_line.number).blue().bold(),
style("|").blue(),
formatted_line
);
}
false
}