specker 0.3.5

Testing utility that simplifies file matching against bunch of templates.
Documentation 
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#![allow(dead_code)]
#![allow(unused_macros)]

extern crate specker;

use specker::{At, TemplateMatchError, TemplateWriteError};

macro_rules! assert_contents {
    ($a:expr, $b:expr) => {
        assert_eq!(unsafe { ::std::str::from_utf8_unchecked($a) }, $b)
    };
}

pub fn new_item<'a>(match_list: &'a [specker::Match]) -> specker::Item<'a> {
    specker::Item {
        params: &[],
        template: match_list,
    }
}

pub fn match_item<'a>(
    item: specker::Item<'a>,
    params: &[(&str, &str)],
    contents: &str,
) -> Result<(), At<TemplateMatchError>> {
    let mut cursor = ::std::io::Cursor::new(contents.as_bytes());
    Ok(item.match_contents(&mut cursor, &params.iter().cloned().collect())?)
}

pub fn write<'a>(
    item: specker::Item<'a>,
    params: &[(&str, &str)],
) -> Result<Vec<u8>, TemplateWriteError> {
    let mut file = Vec::new();

    item.write_contents(&mut file, &params.iter().cloned().collect())?;

    Ok(file)
}