resize_fail.jpg

thumb_test.rs

#[cfg(test)]
mod tests {
    use std::io::Read;

    use libvips::{ops as VipsOps, VipsApp, VipsImage};

    fn init_vips() -> VipsApp {
        let image_processor = VipsApp::new("libvips-test", false).expect("Failed to initialize libvips");
        image_processor.concurrency_set(4);
        image_processor
    }

    fn get_file_as_byte_vec(filename: &String) -> Vec<u8> {
        let mut f = std::fs::File::open(&filename).expect("no file found");
        let metadata = std::fs::metadata(&filename).expect("unable to read metadata");
        let mut buffer = vec![0; metadata.len() as usize];
        f.read(&mut buffer).expect("buffer overflow");
        buffer
    }

    #[test]
    fn thumnail_error() {

        let vips_app = init_vips();
        
        let image_file = get_file_as_byte_vec(&"tests/images/resize_fail.jpg".to_string());
        
        let vips_image = VipsImage::new_from_buffer(&image_file, "[autorotate]").unwrap();
        
        let options = VipsOps::ThumbnailImageOptions {
            height:400,
            ..VipsOps::ThumbnailImageOptions::default()
        };

        let this_fails = match VipsOps::thumbnail_image_with_opts(&vips_image, 300, &options) {
            Ok(image) => Ok(image),
            Err(error)=> {
                dbg!(&error);
                dbg!( vips_app.error_buffer().unwrap());
                Err(error)
            }
        };
    }
}