rust/crates/ra_tools/tests/docs.rs
2019-09-30 12:09:56 +03:00

64 lines
1.7 KiB
Rust

use std::fs;
use std::io::prelude::*;
use std::io::BufReader;
use std::path::Path;
use walkdir::{DirEntry, WalkDir};
use ra_tools::project_root;
fn is_exclude_dir(p: &Path) -> bool {
let exclude_dirs = ["tests", "test_data"];
let mut cur_path = p;
while let Some(path) = cur_path.parent() {
if exclude_dirs.iter().any(|dir| path.ends_with(dir)) {
return true;
}
cur_path = path;
}
false
}
fn is_exclude_file(d: &DirEntry) -> bool {
let file_names = ["tests.rs"];
d.file_name().to_str().map(|f_n| file_names.iter().any(|name| *name == f_n)).unwrap_or(false)
}
fn is_hidden(entry: &DirEntry) -> bool {
entry.file_name().to_str().map(|s| s.starts_with(".")).unwrap_or(false)
}
#[test]
fn no_docs_comments() {
let crates = project_root().join("crates");
let iter = WalkDir::new(crates);
for f in iter.into_iter().filter_entry(|e| !is_hidden(e)) {
let f = f.unwrap();
if f.file_type().is_dir() {
continue;
}
if f.path().extension().map(|it| it != "rs").unwrap_or(false) {
continue;
}
if is_exclude_dir(f.path()) {
continue;
}
if is_exclude_file(&f) {
continue;
}
let mut reader = BufReader::new(fs::File::open(f.path()).unwrap());
let mut line = String::new();
reader.read_line(&mut line).unwrap();
if !line.starts_with("//!") {
panic!(
"\nMissing docs strings\n\
module: {}\n\
Need add doc for module or this string \"//! FIXME: write short doc here\"\n",
f.path().display()
)
}
}
}