add more test

tests/cli.rs

@@ -3529,6 +3529,32 @@ fn compress_body_from_file() {
         .success();
 }
 
+#[test]
+fn compress_body_from_file_unless_compress_rate_less_1() {
+    let server = server::http(|req| async move {
+        assert_eq!("Hello world\n", req.body_as_string().await);
+        hyper::Response::default()
+    });
+
+    let dir = tempfile::tempdir().unwrap();
+    let filename = dir.path().join("input.txt");
+    OpenOptions::new()
+        .create(true)
+        .truncate(true)
+        .write(true)
+        .open(&filename)
+        .unwrap()
+        .write_all(b"Hello world\n")
+        .unwrap();
+
+    get_command()
+        .arg(server.base_url())
+        .arg("-x")
+        .arg(format!("@{}", filename.to_string_lossy()))
+        .assert()
+        .success();
+}
+
 fn zlib_decode(bytes: Vec<u8>) -> std::io::Result<String> {
     let mut z = flate2::read::ZlibDecoder::new(&bytes[..]);
     let mut s = String::new();