use crate::exercise::{Exercise, Mode, State}; use console::style; use indicatif::ProgressBar; pub fn verify<'a>(start_at: impl IntoIterator) -> Result<(), &'a Exercise> { for exercise in start_at { let compile_result = match exercise.mode { Mode::Test => compile_and_test(&exercise, RunMode::Interactive), Mode::Compile => compile_only(&exercise), }; if !compile_result.unwrap_or(false) { return Err(exercise); } } Ok(()) } enum RunMode { Interactive, NonInteractive, } pub fn test(exercise: &Exercise) -> Result<(), ()> { compile_and_test(exercise, RunMode::NonInteractive)?; Ok(()) } fn compile_only(exercise: &Exercise) -> Result { let progress_bar = ProgressBar::new_spinner(); progress_bar.set_message(format!("Compiling {}...", exercise).as_str()); progress_bar.enable_steady_tick(100); let compilation_result = exercise.compile(); progress_bar.finish_and_clear(); match compilation_result { Ok(_) => { success!("Successfully compiled {}!", exercise); Ok(prompt_for_completion(&exercise)) } Err(output) => { warn!( "Compilation of {} failed! Compiler error message:\n", exercise ); println!("{}", output.stderr); Err(()) } } } fn compile_and_test(exercise: &Exercise, run_mode: RunMode) -> Result { let progress_bar = ProgressBar::new_spinner(); progress_bar.set_message(format!("Testing {}...", exercise).as_str()); progress_bar.enable_steady_tick(100); let compilation_result = exercise.compile(); let compilation = match compilation_result { Ok(compilation) => compilation, Err(output) => { progress_bar.finish_and_clear(); warn!( "Compiling of {} failed! Please try again. Here's the output:", exercise ); println!("{}", output.stderr); return Err(()); } }; let result = compilation.run(); progress_bar.finish_and_clear(); match result { Ok(_) => { if let RunMode::Interactive = run_mode { Ok(prompt_for_completion(&exercise)) } else { Ok(true) } } Err(output) => { warn!( "Testing of {} failed! Please try again. Here's the output:", exercise ); println!("{}", output.stdout); 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 }