258 lines
6.3 KiB
Rust
258 lines
6.3 KiB
Rust
use std::env;
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use std::fs;
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use std::ops::Deref;
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use std::path::{Path, PathBuf};
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use tempfile::TempDir;
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use id3_image_rs::*;
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struct Fixture {
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path: PathBuf,
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source: PathBuf,
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_tempdir: TempDir,
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}
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impl Fixture {
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fn blank(fixture_filename: &str) -> Self {
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let root_dir = &env::var("CARGO_MANIFEST_DIR").expect("$CARGO_MANIFEST_DIR");
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let mut source = PathBuf::from(root_dir);
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source.push("tests/fixtures");
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source.push(&fixture_filename);
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let tempdir = tempfile::tempdir().unwrap();
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let mut path = PathBuf::from(&tempdir.path());
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path.push(&fixture_filename);
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Fixture {
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_tempdir: tempdir,
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source,
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path,
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}
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}
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fn copy(fixture_filename: &str) -> Self {
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let fixture = Fixture::blank(fixture_filename);
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fs::copy(&fixture.source, &fixture.path).unwrap();
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fixture
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}
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}
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impl Deref for Fixture {
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type Target = Path;
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fn deref(&self) -> &Self::Target {
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self.path.deref()
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}
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}
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fn read_tag(path: &Path) -> 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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let song = Fixture::copy("attempt_1_no_image.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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// Nonexistent files
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assert!(embed_image(&song, &PathBuf::from("nonexistent.jpg")).is_err());
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assert!(embed_image(&PathBuf::from("nonexistent.mp3"), &image).is_err());
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assert!(embed_image(
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&PathBuf::from("nonexistent.mp3"),
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&PathBuf::from("nonexistent.jpg")
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)
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.is_err());
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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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let song = Fixture::copy("attempt_1_no_image.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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embed_image(&song, &image).unwrap();
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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_jpeg_image_embedding_with_a_broken_file() {
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let song = Fixture::copy("attempt_1_broken.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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embed_image(&song, &image).unwrap();
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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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let song = Fixture::copy("attempt_1_no_image.mp3");
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let image = Fixture::copy("attempt_1.png");
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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embed_image(&song, &image).unwrap();
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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_from_memory() {
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let song = Fixture::copy("attempt_1_no_image.mp3");
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let image = Fixture::copy("attempt_1.png");
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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embed_image_from_memory(&song, &image::open(&*image).unwrap()).unwrap();
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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_and_extracting() {
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let song = Fixture::copy("attempt_1_no_image.mp3");
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let image = Fixture::copy("attempt_1.png");
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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extract_first_image_as_img(&song).unwrap_err();
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embed_image(&song, &image).unwrap();
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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extract_first_image_as_img(&song).unwrap();
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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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let song = Fixture::copy("attempt_1.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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embed_image(&song, &image).unwrap();
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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_removing_and_adding_an_image() {
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let song = Fixture::copy("attempt_1.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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remove_images(&song).unwrap();
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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embed_image(&song, &image).unwrap();
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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_removing_and_adding_an_image_to_a_broken_file() {
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let song = Fixture::copy("attempt_1_broken.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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remove_images(&song).unwrap();
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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embed_image(&song, &image).unwrap();
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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_extracting_a_jpg_image() {
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let song = Fixture::copy("attempt_1.mp3");
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let image = Fixture::blank("attempt_1.jpg");
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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assert!(!image.exists());
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extract_first_image(&song, &image).unwrap();
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assert!(image.exists());
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}
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#[test]
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fn test_extracting_a_jpg_image_from_a_broken_file() {
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let song = Fixture::copy("attempt_1_broken.mp3");
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let image = Fixture::blank("attempt_1.jpg");
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extract_first_image(&song, &image).unwrap();
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assert!(image.exists());
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}
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#[test]
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fn test_extracting_a_png_image() {
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let song = Fixture::copy("attempt_1.mp3");
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let image = Fixture::blank("attempt_1.png");
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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assert!(!image.exists());
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extract_first_image(&song, &image).unwrap();
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assert!(image.exists());
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}
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#[test]
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fn test_overwriting_an_existing_image() {
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let song = Fixture::copy("attempt_1.mp3");
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let image = Fixture::copy("attempt_1.jpg");
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let tag = read_tag(&song);
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assert!(tag.pictures().count() > 0);
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assert!(image.exists());
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extract_first_image(&song, &image).unwrap();
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assert!(image.exists());
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}
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#[test]
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fn test_extracting_an_image_with_no_pictures() {
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let song = Fixture::copy("attempt_1_no_image.mp3");
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let image = Fixture::blank("attempt_1.jpg");
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let tag = read_tag(&song);
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assert_eq!(tag.pictures().count(), 0);
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assert!(!image.exists());
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assert!(extract_first_image(&song, &image).is_err());
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assert!(!image.exists());
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}
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