rsconstruct 0.9.85

Rust based fast build system
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use crate::common::{require_tool, run_rsconstruct_with_env};
use std::fs;
use tempfile::TempDir;

#[test]
fn marp_ci_cap_sets_max_jobs_when_ci_true() {
    let temp_dir = TempDir::new().expect("Failed to create temp dir");
    let project_path = temp_dir.path();
    fs::write(
        project_path.join("rsconstruct.toml"),
        "[processor.marp]\nsrc_dirs = [\"marp\"]\n",
    )
    .unwrap();

    let output = run_rsconstruct_with_env(
        project_path,
        &["--json", "processors", "config", "marp"],
        &[("NO_COLOR", "1"), ("CI", "true")],
    );
    assert!(
        output.status.success(),
        "command failed: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    let parsed: serde_json::Value = serde_json::from_str(&stdout)
        .unwrap_or_else(|e| panic!("invalid JSON: {}\nstdout: {}", e, stdout));
    let max_jobs = parsed
        .get("marp")
        .and_then(|m| m.get("max_jobs"))
        .unwrap_or_else(|| panic!("marp.max_jobs missing under CI=true; full dump: {}", stdout));
    assert_eq!(
        max_jobs.as_i64(),
        Some(2),
        "expected max_jobs=2 under CI=true, got {:?}",
        max_jobs
    );
}

#[test]
fn marp_ci_cap_absent_when_ci_unset() {
    let temp_dir = TempDir::new().expect("Failed to create temp dir");
    let project_path = temp_dir.path();
    fs::write(
        project_path.join("rsconstruct.toml"),
        "[processor.marp]\nsrc_dirs = [\"marp\"]\n",
    )
    .unwrap();

    // CI=false should behave like unset (the hook only fires on CI=="true").
    let output = run_rsconstruct_with_env(
        project_path,
        &["--json", "processors", "config", "marp"],
        &[("NO_COLOR", "1"), ("CI", "false")],
    );
    assert!(output.status.success());
    let stdout = String::from_utf8_lossy(&output.stdout);
    let parsed: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    let max_jobs = parsed.get("marp").and_then(|m| m.get("max_jobs"));
    assert!(
        max_jobs.is_none() || max_jobs == Some(&serde_json::Value::Null),
        "expected max_jobs absent without CI=true, got {:?}",
        max_jobs
    );
}

#[test]
fn marp_ci_cap_respects_user_set_max_jobs() {
    let temp_dir = TempDir::new().expect("Failed to create temp dir");
    let project_path = temp_dir.path();
    fs::write(
        project_path.join("rsconstruct.toml"),
        "[processor.marp]\nmax_jobs = 5\n",
    )
    .unwrap();

    let output = run_rsconstruct_with_env(
        project_path,
        &["--json", "processors", "config", "marp"],
        &[("NO_COLOR", "1"), ("CI", "true")],
    );
    assert!(output.status.success());
    let stdout = String::from_utf8_lossy(&output.stdout);
    let parsed: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    let max_jobs = parsed["marp"]["max_jobs"].as_i64();
    assert_eq!(
        max_jobs,
        Some(5),
        "user-set max_jobs must win over CI cap; got {:?}",
        max_jobs
    );
}

#[test]
fn marp_valid_file() {
    require_tool("marp");

    let temp_dir = TempDir::new().expect("Failed to create temp dir");
    let project_path = temp_dir.path();

    fs::write(
        project_path.join("rsconstruct.toml"),
        "[processor.marp]\nsrc_dirs = [\"marp\"]\nformats = [\"html\"]\n",
    )
    .unwrap();

    fs::create_dir_all(project_path.join("marp")).unwrap();
    fs::write(
        project_path.join("marp/slides.md"),
        "---\nmarp: true\n---\n\n# Slide 1\n\nHello World\n\n---\n\n# Slide 2\n\nGoodbye\n",
    )
    .unwrap();

    let output = run_rsconstruct_with_env(project_path, &["build", "-v"], &[("NO_COLOR", "1")]);
    assert!(
        output.status.success(),
        "Build should succeed with valid Marp file: stdout={}, stderr={}",
        String::from_utf8_lossy(&output.stdout),
        String::from_utf8_lossy(&output.stderr)
    );

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        stdout.contains("Processing:"),
        "Should process marp: {}",
        stdout
    );
}

/// A src_dirs entry that does not exist is a config error naming the
/// processor and the entry, not a silent skip.
#[test]
fn marp_nonexistent_src_dir_is_config_error() {
    let temp_dir = TempDir::new().expect("Failed to create temp dir");
    let project_path = temp_dir.path();

    fs::write(
        project_path.join("rsconstruct.toml"),
        "[processor.marp]\nsrc_dirs = [\"marp\"]\n",
    )
    .unwrap();

    let output = run_rsconstruct_with_env(project_path, &["build"], &[("NO_COLOR", "1")]);
    let stderr = String::from_utf8_lossy(&output.stderr);
    assert_eq!(
        output.status.code(),
        Some(2),
        "a missing src_dirs entry must fail as a config error: {stderr}"
    );
    assert!(
        stderr.contains("processor.marp") && stderr.contains("marp"),
        "error must name the processor and the entry: {stderr}"
    );
}