tytanic 0.3.4

A test runner for typst projects.
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use std::io::Write;

use color_eyre::eyre;
use termcolor::Color;
use tytanic_core::test::unit::Kind;

use super::Context;
use crate::cwrite;
use crate::json::ProjectJson;

#[derive(clap::Args, Debug, Clone)]
#[group(id = "status-args")]
pub struct Args {
    /// Print a JSON describing the project to stdout.
    #[arg(long)]
    pub json: bool,
}

pub fn run(ctx: &mut Context, args: &Args) -> eyre::Result<()> {
    let project = ctx.project()?;
    let suite = ctx.collect_tests(&project)?;

    let delim_open = " ┌ ";
    let delim_middle = " ├ ";
    let delim_close = " └ ";

    if args.json {
        serde_json::to_writer_pretty(
            ctx.ui.stdout(),
            &ProjectJson::new(&project, project.manifest(), &suite),
        )?;
        return Ok(());
    }

    let mut w = ctx.ui.stderr();

    let align = ["Template", "Project", "Tests"]
        .map(str::len)
        .into_iter()
        .max()
        .unwrap();

    if let Some(package) = project.manifest().map(|p| &p.package) {
        write!(w, "{:>align$}{}", "Project", delim_open)?;
        cwrite!(bold_colored(w, Color::Cyan), "{}", package.name)?;
        write!(w, ":")?;
        cwrite!(bold_colored(w, Color::Cyan), "{}", package.version)?;
    } else {
        write!(w, "{:>align$}{}", "Project", delim_open)?;
        cwrite!(bold_colored(w, Color::Yellow), "none")?;
    }
    writeln!(w)?;

    write!(w, "{:>align$}{}", "Vcs", delim_middle)?;
    if let Some(vcs) = project.vcs() {
        cwrite!(bold_colored(w, Color::Green), "{vcs}")?;
    } else {
        cwrite!(bold_colored(w, Color::Yellow), "none")?;
    }
    writeln!(w)?;

    write!(w, "{:>align$}{}", "Template", delim_middle)?;
    if project.unit_test_template().is_some() {
        let path = project.unit_test_template_file();
        let path = path
            .strip_prefix(project.root())
            .expect("template is in project root");
        cwrite!(bold_colored(w, Color::Cyan), "{}", path.display())?;
    } else {
        cwrite!(bold_colored(w, Color::Green), "none")?;
    }
    writeln!(w)?;

    if suite.is_empty() {
        write!(w, "{:>align$}{}", "Tests", delim_close)?;
        cwrite!(bold_colored(w, Color::Cyan), "none")?;
        writeln!(w)?;
    } else {
        let mut persistent = 0;
        let mut ephemeral = 0;
        let mut compile_only = 0;

        for test in suite.unit_tests() {
            match test.kind() {
                Kind::Persistent => persistent += 1,
                Kind::Ephemeral => ephemeral += 1,
                Kind::CompileOnly => compile_only += 1,
            }
        }

        write!(w, "{:>align$}{}", "Tests", delim_middle)?;
        cwrite!(bold_colored(w, Color::Green), "{persistent}")?;
        writeln!(w, " persistent")?;

        write!(w, "{:>align$}{}", "", delim_middle)?;
        cwrite!(bold_colored(w, Color::Green), "{ephemeral}")?;
        writeln!(w, " ephemeral")?;

        write!(w, "{:>align$}{}", "", delim_close)?;
        cwrite!(bold_colored(w, Color::Yellow), "{compile_only}")?;
        writeln!(w, " compile-only")?;
    }

    Ok(())
}