nest-rs-cli 1.3.0

Scaffolding CLI for NestRS — new projects, feature generators, and project health checks.
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//! The bare command surface: `version`, `about`, `--help`, and `run`'s toolchain
//! probe.

use std::process::Command;

#[test]
fn version_prints_single_line() {
    let output = Command::new(env!("CARGO_BIN_EXE_nestrs"))
        .arg("version")
        .output()
        .unwrap();

    assert!(output.status.success());
    let stdout = String::from_utf8_lossy(&output.stdout);
    let line = stdout.trim();
    assert!(line.starts_with("NestRS "));
    assert!(!line.contains('\n'));
}

#[test]
fn about_prints_metadata_block() {
    let output = Command::new(env!("CARGO_BIN_EXE_nestrs"))
        .arg("about")
        .output()
        .unwrap();

    assert!(output.status.success());
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(stdout.contains("Version:"));
    assert!(stdout.contains("Tagline:"));
    assert!(stdout.contains("Yoann Vanitou"));
}

#[test]
fn run_subcommand_is_listed_in_help() {
    let output = Command::new(env!("CARGO_BIN_EXE_nestrs"))
        .arg("--help")
        .output()
        .unwrap();

    assert!(output.status.success());
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(stdout.contains("run"));
}

#[test]
fn run_without_toolchain_and_no_bootstrap_errors_clearly() {
    // Hide just/bacon/cargo from the child so the toolchain probe finds nothing,
    // then assert the bootstrap-disabled path reports a manual-install hint
    // instead of silently installing or panicking.
    let empty = tempfile::tempdir().unwrap();
    let output = Command::new(env!("CARGO_BIN_EXE_nestrs"))
        .args(["run", "--no-bootstrap", "dev"])
        .env("PATH", empty.path())
        .output()
        .unwrap();

    assert!(!output.status.success());
    let stderr = String::from_utf8_lossy(&output.stderr);
    assert!(stderr.contains("just"), "stderr: {stderr}");
    assert!(stderr.contains("cargo install"), "stderr: {stderr}");
}

/// A1: `--version` / `-V` is the near-universal CLI convention; rejecting it
/// with `unexpected argument` reads as a broken install.
#[test]
fn version_is_also_reachable_through_the_conventional_flags() {
    for flag in ["--version", "-V"] {
        let output = Command::new(env!("CARGO_BIN_EXE_nestrs"))
            .arg(flag)
            .output()
            .unwrap();
        assert!(output.status.success(), "`nestrs {flag}` must succeed");
        let stdout = String::from_utf8_lossy(&output.stdout);
        assert!(
            stdout.trim().starts_with("NestRS "),
            "`nestrs {flag}` must print the same line as `nestrs version`: {stdout}",
        );
    }
}