81 lines
2.7 KiB
Rust
81 lines
2.7 KiB
Rust
use std::collections::HashMap;
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use std::sync::Once;
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use std::fs;
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use std::path::Path;
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static INIT: Once = Once::new();
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pub fn initialize(file: &str) {
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INIT.call_once(|| {
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if fs::metadata(file).is_ok() {
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fs::remove_file(file).unwrap();
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}
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});
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}
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pub fn cleanup(file: &str) {
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if fs::metadata(file).is_ok() {
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fs::remove_file(file).unwrap();
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}
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}
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#[test]
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fn compress_80_with_metadata() {
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let output = "tests/samples/output/compressed_80_metadata.jpg";
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initialize(output);
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let mut pars = caesium::initialize_parameters();
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pars.jpeg.quality = 80;
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pars.keep_metadata = true;
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caesium::compress(String::from("tests/samples/uncompressed_드림캐쳐.jpg"), String::from(output), pars).unwrap();
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assert!(std::path::Path::new(output).exists());
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assert!(metadata_is_equal(Path::new("tests/samples/uncompressed_드림캐쳐.jpg"), Path::new(output)));
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cleanup(output)
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}
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#[test]
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fn optimize_with_metadata() {
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let output = "tests/samples/output/optimized_metadata.jpg";
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initialize(output);
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let mut pars = caesium::initialize_parameters();
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pars.optimize = true;
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pars.keep_metadata = true;
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caesium::compress(String::from("tests/samples/uncompressed_드림캐쳐.jpg"), String::from(output), pars).unwrap();
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assert!(std::path::Path::new(output).exists());
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assert!(metadata_is_equal(Path::new("tests/samples/uncompressed_드림캐쳐.jpg"), Path::new(output)));
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cleanup(output)
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}
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#[test]
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fn resize_optimize_with_metadata() {
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let output = "tests/samples/output/resized_optimized_metadata.jpg";
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initialize(output);
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let mut pars = caesium::initialize_parameters();
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pars.optimize = true;
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pars.keep_metadata = true;
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pars.width = 200;
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pars.height = 200;
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caesium::compress(String::from("tests/samples/uncompressed_드림캐쳐.jpg"), String::from(output), pars).unwrap();
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assert!(std::path::Path::new(output).exists());
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assert!(metadata_is_equal(Path::new("tests/samples/uncompressed_드림캐쳐.jpg"), Path::new(output)));
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cleanup(output)
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}
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fn extract_exif(path: &Path) -> HashMap<String, String> {
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let file = std::fs::File::open(path).unwrap();
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let mut bufreader = std::io::BufReader::new(&file);
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let exif_reader = exif::Reader::new();
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let exif = exif_reader.read_from_container(&mut bufreader).unwrap();
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let mut exif_map = HashMap::new();
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for f in exif.fields() {
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exif_map.insert(format!("{}", f.tag), f.display_value().to_string() as String);
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}
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exif_map
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}
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fn metadata_is_equal(input: &Path, output: &Path) -> bool {
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let original_exif_map = extract_exif(input);
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let compressed_exif_map = extract_exif(output);
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original_exif_map.eq(&compressed_exif_map)
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} |