File: parser_roundtrip.rs

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rust-libcst 1.8.6-1
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// Copyright (c) Meta Platforms, Inc. and affiliates.
//
// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree

use difference::assert_diff;
use itertools::Itertools;
use libcst_native::{parse_module, prettify_error, Codegen};
use std::{
    iter::once,
    path::{Component, PathBuf},
};

fn all_fixtures() -> impl Iterator<Item = (PathBuf, String)> {
    let mut path = PathBuf::from(file!());
    path.pop();
    path = path
        .components()
        .skip(1)
        .chain(once(Component::Normal("fixtures".as_ref())))
        .collect();

    path.read_dir().expect("read_dir").into_iter().map(|file| {
        let path = file.unwrap().path();
        let contents = std::fs::read_to_string(&path).expect("reading file");
        (path, contents)
    })
}

fn visualize(s: &str) -> String {
    s.replace(' ', "▩").lines().join("↩\n")
}