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55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
#![allow(clippy::assertions_on_constants)]
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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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/*
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Test for missing files.
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Since rs files are alphabetically before stderr/stdout, we can sort by the full name
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and iter in that order. If we've seen the file stem for the first time and it's not
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a rust file, it means the rust file has to be missing.
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*/
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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_key(std::fs::DirEntry::path);
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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_stem = path.file_stem().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_stem.clone(),
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"stderr" | "stdout" => {
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if file_stem != 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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