sita 0.1.0

Sita: static site generator (SSG) for Markdown and HTML
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use assertables::*;
use ::std::ffi::OsString;
use std::path::{Path, PathBuf};
use once_cell::sync::Lazy;

#[allow(dead_code)]
pub static CARGO_MANIFEST_DIR: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR")].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static LOG_DIR: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR"), "log"].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static TESTS_DIR: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR"), "tests"].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static TMP_DIR: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR"), "tmp"].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static TARGET_DIR: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR"), "target"].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static DEBUG_DIR: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR"), "target", "debug"].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static COMMAND_FILE: Lazy<PathBuf> = Lazy::new(||
    [env!("CARGO_MANIFEST_DIR"), "target", "debug", "sita"].iter().collect::<PathBuf>()
);

#[allow(dead_code)]
pub static COMMAND_OS: Lazy<OsString> = Lazy::new(||
    OsString::from([env!("CARGO_MANIFEST_DIR"), "target", "debug", "sita"].iter().collect::<PathBuf>())
);

#[allow(dead_code)]
fn assert_str_contains(outer: &str, inner: &str) {
    assert!(
        outer.contains(inner),
        "outer: {:?}\n inner: {}\n", &outer, &inner
    );
}

#[allow(dead_code)]
pub fn remove_file_if_exists<P: AsRef<Path>>(path: P) -> std::io::Result<()>
{
    if path.as_ref().exists() {
        ::std::fs::remove_file(path)
    } else {
        Ok(())
    }
}

#[cfg(test)]
#[allow(dead_code)]
pub fn test_with_base_path_and_default_input_actual_expect(base_path: PathBuf) {
    // Prep
    let input = base_path.join("example.md");
    let actual = base_path.join("example.html");
    let expect = base_path.join("example.html=expect.html");
    remove_file_if_exists(&actual).expect("remove");
    assert!(input.exists(), "input path: {:?}", input);
    assert!(expect.exists(), "expect path: {:?}", expect);
    remove_file_if_exists(&actual).expect("remove");
    // Test
    assert!(!actual.exists(), "actual path: {:?}", actual);
    let _output = ::std::process::Command::new(&*COMMAND_OS)
        .arg("--input")
        .arg(input.as_os_str())
        .output()
        .expect("failure");
    assert!(actual.exists(), "actual path: {:?}", actual);
    assert_fn_ok_eq_other!(
        ::std::fs::read_to_string,
        &actual,
        &expect,
    );
    // Done
    ::std::fs::remove_file(&actual).expect("remove");
}

#[cfg(test)]
#[allow(dead_code)]
pub fn test_with_base_path_and_default_input_template_actual_expect(base_path: PathBuf) {
    // Prep
    let input = base_path.join("example.md");
    let template = base_path.join("template.html");
    let actual = base_path.join("example.html");
    let expect = base_path.join("example.html=expect.html");
    assert!(input.exists(), "input path: {:?}", input);
    assert!(template.exists(), "template path: {:?}", template);
    assert!(expect.exists(), "expect path: {:?}", expect);
    remove_file_if_exists(&actual).expect("remove");
    // Test
    assert!(!actual.exists(), "actual path: {:?}", actual);
    let _output = ::std::process::Command::new(&*COMMAND_OS)
        .arg("--input")
        .arg(input.as_os_str())
        .arg("--template")
        .arg(&template)
        .output()
        .expect("failure");
    assert!(actual.exists(), "actual path: {:?}", actual);
    assert_fn_ok_eq_other!(
        ::std::fs::read_to_string,
        &actual,
        &expect,
    );
    // Done
    ::std::fs::remove_file(&actual).expect("remove");
}