70 lines
2.3 KiB
Rust
70 lines
2.3 KiB
Rust
#![cfg_attr(feature = "deny-warnings", deny(warnings))]
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#![warn(rust_2018_idioms, unused_lifetimes)]
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#![allow(clippy::assertions_on_constants)]
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#![feature(path_file_prefix)]
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use std::cmp::Ordering;
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use std::ffi::OsStr;
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use std::fs::{self, DirEntry};
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use std::path::Path;
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#[test]
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fn test_missing_tests() {
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let missing_files = explore_directory(Path::new("./tests"));
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if !missing_files.is_empty() {
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assert!(
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false,
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"Didn't see a test file for the following files:\n\n{}\n",
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missing_files
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.iter()
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.map(|s| format!("\t{s}"))
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.collect::<Vec<_>>()
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.join("\n")
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);
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}
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}
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// Test for missing files.
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fn explore_directory(dir: &Path) -> Vec<String> {
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let mut missing_files: Vec<String> = Vec::new();
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let mut current_file = String::new();
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let mut files: Vec<DirEntry> = fs::read_dir(dir).unwrap().filter_map(Result::ok).collect();
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files.sort_by(|x, y| {
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match x.path().file_prefix().cmp(&y.path().file_prefix()) {
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Ordering::Equal => (),
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ord => return ord,
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}
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// Sort rs files before the others if they share the same prefix. So when we see
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// the file prefix for the first time and it's not a rust file, it means the rust
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// file has to be missing.
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match (
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x.path().extension().and_then(OsStr::to_str),
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y.path().extension().and_then(OsStr::to_str),
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) {
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(Some("rs"), _) => Ordering::Less,
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(_, Some("rs")) => Ordering::Greater,
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_ => Ordering::Equal,
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}
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});
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for entry in &files {
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let path = entry.path();
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if path.is_dir() {
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missing_files.extend(explore_directory(&path));
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} else {
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let file_prefix = path.file_prefix().unwrap().to_str().unwrap().to_string();
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if let Some(ext) = path.extension() {
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match ext.to_str().unwrap() {
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"rs" => current_file = file_prefix.clone(),
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"stderr" | "stdout" => {
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if file_prefix != current_file {
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missing_files.push(path.to_str().unwrap().to_string());
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}
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},
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_ => continue,
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};
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}
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}
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}
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missing_files
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}
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