rsconstruct 0.9.84

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 pip_valid_project() {
    require_tool("pip");

    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.pip]\nsrc_dirs = [\".\"]\n",
    )
    .unwrap();

    // Empty requirements file — pip install succeeds with nothing to install
    fs::write(project_path.join("requirements.txt"), "# no dependencies\n").unwrap();

    let output = run_rsconstruct_with_env(project_path, &["build", "-v"], &[("NO_COLOR", "1")]);
    assert!(
        output.status.success(),
        "Build should succeed with empty requirements.txt: 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 pip: {}",
        stdout
    );
}

#[test]
fn pip_incremental_skip() {
    require_tool("pip");

    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.pip]\nsrc_dirs = [\".\"]\n",
    )
    .unwrap();

    fs::write(project_path.join("requirements.txt"), "# no dependencies\n").unwrap();

    // First build
    let output1 = run_rsconstruct_with_env(project_path, &["build"], &[("NO_COLOR", "1")]);
    assert!(output1.status.success());

    // Second build should skip
    let output2 =
        run_rsconstruct_with_env(project_path, &["build", "--verbose"], &[("NO_COLOR", "1")]);
    assert!(output2.status.success());
    let stdout2 = String::from_utf8_lossy(&output2.stdout);
    assert!(
        stdout2.contains("[pip] Skipping (unchanged):"),
        "Second build should skip: {}",
        stdout2
    );
}

#[test]
fn pip_no_project_discovered() {
    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.pip]\nsrc_dirs = [\".\"]\n",
    )
    .unwrap();

    let output = run_rsconstruct_with_env(project_path, &["build"], &[("NO_COLOR", "1")]);
    assert!(output.status.success());

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        stdout.contains("0 products"),
        "Should discover 0 products: {}",
        stdout
    );
}