Get tests working in parallel
Instead of a single temporary directory, we just create one per file and encapsulate it in a structure, so we can get both the file path and a temp dir that's dropped upon the struct leaving scope.
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915a6e8ff4
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@ -1,112 +1,126 @@
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use std::env;
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use std::fs;
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use std::path::PathBuf;
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use std::path::{PathBuf, Path};
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use std::ops::Deref;
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use tempfile::TempDir;
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use id3_image::*;
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macro_rules! in_temp_dir {
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($block:block) => {
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let tmpdir = tempfile::tempdir().unwrap();
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env::set_current_dir(&tmpdir).unwrap();
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struct Fixture {
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path_buf: PathBuf,
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_tempdir: TempDir,
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}
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$block;
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impl AsRef<Path> for Fixture {
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fn as_ref(&self) -> &Path {
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self.path_buf.as_path()
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}
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}
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impl Deref for Fixture {
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type Target = str;
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fn deref(&self) -> &Self::Target {
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self.path_buf.to_str().unwrap()
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}
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}
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macro_rules! fixture {
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($filename:expr) => {
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let root_dir = &env::var("CARGO_MANIFEST_DIR").expect("$CARGO_MANIFEST_DIR");
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let mut source_path = PathBuf::from(root_dir);
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source_path.push("tests/fixtures");
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source_path.push($filename);
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{
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let root_dir = &env::var("CARGO_MANIFEST_DIR").expect("$CARGO_MANIFEST_DIR");
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let mut source_path = PathBuf::from(root_dir);
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source_path.push("tests/fixtures");
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source_path.push($filename);
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fs::copy(source_path, $filename).unwrap();
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let tempdir = tempfile::tempdir().unwrap();
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let mut target_path = PathBuf::from(&tempdir.path());
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target_path.push($filename);
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fs::copy(&source_path, &target_path).unwrap();
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Fixture { _tempdir: tempdir, path_buf: target_path }
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}
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}
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}
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fn read_tag(path: &str) -> id3::Tag {
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id3::Tag::read_from_path(path).unwrap()
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}
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#[test]
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fn test_unsuccessful_image_embedding() {
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in_temp_dir!({
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fixture!("attempt_1_no_image.mp3");
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fixture!("attempt_1.jpg");
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let song = fixture!("attempt_1_no_image.mp3");
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let image = fixture!("attempt_1.jpg");
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// Nonexistent files
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assert!(embed_image("attempt_1_no_image.mp3", "nonexisting.jpg").is_err());
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assert!(embed_image("nonexisting.mp3", "attempt_1.jpg").is_err());
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assert!(embed_image("nonexisting.mp3", "nonexisting.jpg").is_err());
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// Nonexistent files
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assert!(embed_image(&song, "nonexisting.jpg").is_err());
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assert!(embed_image("nonexisting.mp3", &image).is_err());
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assert!(embed_image("nonexisting.mp3", "nonexisting.jpg").is_err());
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// Wrong kinds of files
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assert!(embed_image("attempt_1.jpg", "attempt_1_no_image.mp3").is_err());
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assert!(embed_image("attempt_1_no_image.mp3", "attempt_1_no_image.mp3").is_err());
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assert!(embed_image("attempt_1.jpg", "attempt_1.jpg").is_err());
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});
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// Wrong kinds of files
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assert!(embed_image(&image, &song).is_err());
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assert!(embed_image(&song, &song).is_err());
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assert!(embed_image(&image, &image).is_err());
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}
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#[test]
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fn test_successful_jpeg_image_embedding() {
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in_temp_dir!({
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fixture!("attempt_1_no_image.mp3");
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fixture!("attempt_1.jpg");
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let song = fixture!("attempt_1_no_image.mp3");
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let image = fixture!("attempt_1.jpg");
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let tag = id3::Tag::read_from_path("attempt_1_no_image.mp3").unwrap();
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assert!(tag.pictures().count() == 0);
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let tag = read_tag(&song);
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assert!(tag.pictures().count() == 0);
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embed_image("attempt_1_no_image.mp3", "attempt_1.jpg").unwrap();
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embed_image(&song, &image).unwrap();
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let tag = id3::Tag::read_from_path("attempt_1_no_image.mp3").unwrap();
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assert!(tag.pictures().count() > 0);
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});
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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}
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#[test]
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fn test_successful_png_image_embedding() {
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in_temp_dir!({
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fixture!("attempt_1_no_image.mp3");
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fixture!("attempt_1.png");
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let song = fixture!("attempt_1_no_image.mp3");
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let image = fixture!("attempt_1.png");
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let tag = id3::Tag::read_from_path("attempt_1_no_image.mp3").unwrap();
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assert!(tag.pictures().count() == 0);
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let tag = read_tag(&song);
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assert!(tag.pictures().count() == 0);
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embed_image("attempt_1_no_image.mp3", "attempt_1.png").unwrap();
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embed_image(&song, &image).unwrap();
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let tag = id3::Tag::read_from_path("attempt_1_no_image.mp3").unwrap();
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assert!(tag.pictures().count() > 0);
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});
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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}
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#[test]
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fn test_successful_image_embedding_in_a_file_that_already_has_an_image() {
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in_temp_dir!({
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fixture!("attempt_1.mp3");
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fixture!("attempt_1.jpg");
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let song = fixture!("attempt_1.mp3");
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let image = fixture!("attempt_1.jpg");
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let tag = id3::Tag::read_from_path("attempt_1.mp3").unwrap();
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assert!(tag.pictures().count() > 0);
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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embed_image("attempt_1.mp3", "attempt_1.jpg").unwrap();
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embed_image(&song, &image).unwrap();
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let tag = id3::Tag::read_from_path("attempt_1.mp3").unwrap();
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assert!(tag.pictures().count() > 0);
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});
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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}
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#[test]
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fn test_remove_and_add_image() {
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in_temp_dir!({
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fixture!("attempt_1.mp3");
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fixture!("attempt_1.jpg");
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let song = fixture!("attempt_1.mp3");
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let image = fixture!("attempt_1.jpg");
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let tag = id3::Tag::read_from_path("attempt_1.mp3").unwrap();
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assert!(tag.pictures().count() > 0);
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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remove_images("attempt_1.mp3").unwrap();
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remove_images(&song).unwrap();
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let tag = id3::Tag::read_from_path("attempt_1.mp3").unwrap();
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assert!(tag.pictures().count() == 0);
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let tag = read_tag(&song);
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assert!(tag.pictures().count() == 0);
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embed_image("attempt_1.mp3", "attempt_1.jpg").unwrap();
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embed_image(&song, &image).unwrap();
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let tag = id3::Tag::read_from_path("attempt_1.mp3").unwrap();
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assert!(tag.pictures().count() > 0);
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});
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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}
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