Added stderr message, added some tests

Cargo.toml

@@ -10,3 +10,6 @@ tokio = { version = "1.40.0", features= ["full"] }
 reqwest = { version = "0.12.7", features = ["stream", "blocking"] }
 url = "2.5.2"
 futures-util = "0.3.30"
+
+[profile.release]
+strip = true  # Automatically strip symbols from the binary.

src/accession.rs

@@ -94,3 +94,40 @@ impl NCBIGenome {
         validate_url(&assembly_sequence)
     }
 }
+
+#[cfg(test)]
+mod test_get_folder_url {
+    use crate::accession::NCBIGenome;
+
+    #[test]
+    fn valid_folder_url() {
+        let assembly_accession = "GCF_000005845.2";
+        let assembly_name = "ASM584v2";
+        let genome = NCBIGenome::from_str(assembly_accession, assembly_name);
+        assert_eq!(
+            genome.get_ftp_folder_url().to_string(),
+            "https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/005/845/GCF_000005845.2_ASM584v2"
+        );
+    }
+
+    #[test]
+    fn valid_report_url() {
+        let assembly_accession = "GCF_000005845.2";
+        let assembly_name = "ASM584v2";
+        let genome = NCBIGenome::from_str(assembly_accession, assembly_name);
+        assert_eq!(
+            genome.get_assembly_report_url().to_string(),
+            "https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/005/845/GCF_000005845.2_ASM584v2/GCF_000005845.2_ASM584v2_assembly_report.txt"
+        );
+    }
+    #[test]
+    fn valid_sequence_url() {
+        let assembly_accession = "GCF_000005845.2";
+        let assembly_name = "ASM584v2";
+        let genome = NCBIGenome::from_str(assembly_accession, assembly_name);
+        assert_eq!(
+            genome.get_assembly_sequence_url().to_string(),
+            "https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/005/845/GCF_000005845.2_ASM584v2/GCF_000005845.2_ASM584v2_genomic.fna.gz"
+        );
+    }
+}

src/main.rs

@@ -22,16 +22,22 @@ struct Args {
     genome: bool,
 }
 
+//-a GCF_000005845.2 -n ASM584v2
+
+//TODO if no assembly name specified download the most recent (needs ftp?)
+
 fn main() {
     let args = Args::parse();
 
     let genome_accession: NCBIGenome = NCBIGenome::from_str(&args.accession, &args.name);
     let sequence_url = genome_accession.get_assembly_sequence_url();
     let report_url = genome_accession.get_assembly_report_url();
     if args.report {
+        eprintln!("Downloading assembly report: {}", report_url);
         download(report_url.to_string()).expect("FAILURE")
     }
     if args.genome {
+        eprintln!("Downloading genome: {}", report_url);
         download(sequence_url.to_string()).expect("FAILURE")
     };
 }