ratto 0.3.1

Ratatui-powered terminal primitives for shell dashboards: flicker-free repaints, progress bars, prompts, and portable time tools
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use assert_cmd::Command;

fn rat() -> Command {
    let mut cmd = Command::cargo_bin("rat").expect("rat binary builds");
    for var in [
        "NO_COLOR",
        "CLICOLOR",
        "CLICOLOR_FORCE",
        "CI",
        "COLORTERM",
        "TERM",
    ] {
        cmd.env_remove(var);
    }
    cmd
}

#[test]
fn bar_reproduces_fish_progress_line() {
    let expected = format!(
        "{}{} {}{}  1242/1288  96.4%  running\n",
        "L100 release recovery",
        " ".repeat(13),
        "█".repeat(30),
        "░".repeat(2),
    );
    rat()
        .env("NO_COLOR", "1")
        .args([
            "bar",
            "--value",
            "1242",
            "--total",
            "1288",
            "--label",
            "L100 release recovery",
            "--state",
            "running",
        ])
        .assert()
        .success()
        .stdout(expected);
}

#[test]
fn bar_colors_under_always() {
    rat()
        .env("TERM", "xterm-256color")
        .args([
            "--color",
            "always",
            "bar",
            "--value",
            "50",
            "--fill-color",
            "212",
        ])
        .assert()
        .success()
        .stdout(predicates::str::contains("\x1b[38;5;212m"));
}

#[test]
fn bar_negative_total_is_an_error() {
    rat()
        .args(["bar", "--value", "5", "--total", "-1"])
        .assert()
        .code(1)
        .stderr(predicates::str::contains("total"));
}

#[test]
fn bar_without_value_is_an_error_for_now() {
    rat().arg("bar").write_stdin("").assert().failure();
}

#[test]
fn bar_batch_renders_aligned_rows() {
    let assert = rat()
        .env("NO_COLOR", "1")
        .arg("bar")
        .write_stdin("a\t1\t4\nlonger\t3\t4\trunning\n")
        .assert()
        .success();
    let stdout = String::from_utf8_lossy(&assert.get_output().stdout).into_owned();
    let lines: Vec<&str> = stdout.lines().collect();
    assert_eq!(lines.len(), 2);
    let bar_at = |s: &str| s.find(['█', '░']).unwrap();
    assert_eq!(bar_at(lines[0]), bar_at(lines[1]));
    assert!(lines[1].contains("running"));
}

#[test]
fn bar_empty_stdin_without_value_is_an_error() {
    rat()
        .env("NO_COLOR", "1")
        .arg("bar")
        .write_stdin("")
        .assert()
        .code(1)
        .stderr(predicates::str::contains("--value"));
}

#[test]
fn bar_thresholds_color_by_band() {
    rat()
        .env("TERM", "xterm-256color")
        .args([
            "--color",
            "always",
            "bar",
            "--value",
            "10",
            "--total",
            "100",
            "--thresholds",
            "33:196,66:214,100:42",
        ])
        .assert()
        .success()
        .stdout(predicates::str::contains("\x1b[38;5;196m"));
}

#[test]
fn bar_explicit_fill_color_beats_thresholds() {
    rat()
        .env("TERM", "xterm-256color")
        .args([
            "--color",
            "always",
            "bar",
            "--value",
            "10",
            "--total",
            "100",
            "--thresholds",
            "33:196,66:214,100:42",
            "--fill-color",
            "212",
        ])
        .assert()
        .success()
        .stdout(predicates::str::contains("\x1b[38;5;212m"));
}

#[test]
fn bar_indeterminate_moves_with_tick() {
    let render = |tick: &str| {
        let assert = rat()
            .env("NO_COLOR", "1")
            .args(["bar", "--indeterminate", "--tick", tick, "--width", "16"])
            .assert()
            .success();
        String::from_utf8_lossy(&assert.get_output().stdout).into_owned()
    };
    assert_ne!(render("0"), render("1"));
    assert_eq!(render("0"), render("16"));
}