[rustc.git] / src / vendor / mdbook / tests / helpers / mod.rs

//! Helpers for tests which exercise the overall application, in particular
//! the `MDBook` initialization and build/rendering process.


use std::path::Path;
use std::fs::File;
use std::io::Read;


/// Read the contents of the provided file into memory and then iterate through
/// the list of strings asserting that the file contains all of them.
pub fn assert_contains_strings<P: AsRef<Path>>(filename: P, strings: &[&str]) {
    let filename = filename.as_ref();

    let mut content = String::new();
    File::open(&filename)
        .expect("Couldn't open the provided file")
        .read_to_string(&mut content)
        .expect("Couldn't read the file's contents");

    for s in strings {
        assert!(content.contains(s), "Searching for {:?} in {}\n\n{}", s, filename.display(), content);
    }
}
Commit	Line	Data
ea8adc8c XL	1	//! Helpers for tests which exercise the overall application, in particular
	2	//! the `MDBook` initialization and build/rendering process.
	3
	4
	5	use std::path::Path;
	6	use std::fs::File;
	7	use std::io::Read;
	8
	9
	10	/// Read the contents of the provided file into memory and then iterate through
	11	/// the list of strings asserting that the file contains all of them.
	12	pub fn assert_contains_strings<P: AsRef<Path>>(filename: P, strings: &[&str]) {
	13	let filename = filename.as_ref();
	14
	15	let mut content = String::new();
	16	File::open(&filename)
	17	.expect("Couldn't open the provided file")
	18	.read_to_string(&mut content)
	19	.expect("Couldn't read the file's contents");
	20
	21	for s in strings {
	22	assert!(content.contains(s), "Searching for {:?} in {}\n\n{}", s, filename.display(), content);
	23	}
	24	}