fix inconsistency in csv component: "separator", not "delimiter" #608 (comment)

Author: lovasoa

src/render.rs

@@ -473,11 +473,11 @@ impl CsvBodyRenderer {
         options: &JsonValue,
     ) -> anyhow::Result<CsvBodyRenderer> {
         let mut builder = csv_async::AsyncWriterBuilder::new();
-        if let Some(delimiter) = get_object_str(options, "delimiter") {
-            let &[delimiter_byte] = delimiter.as_bytes() else {
-                bail!("Invalid csv delimiter: {delimiter:?}. It must be a single byte.");
+        if let Some(separator) = get_object_str(options, "separator") {
+            let &[separator_byte] = separator.as_bytes() else {
+                bail!("Invalid csv separator: {separator:?}. It must be a single byte.");
             };
-            builder.delimiter(delimiter_byte);
+            builder.delimiter(separator_byte);
         }
         if let Some(quote) = get_object_str(options, "quote") {
             let &[quote_byte] = quote.as_bytes() else {

tests/csv_data.sql

@@ -1,4 +1,4 @@
-select 'csv' as component;
+select 'csv' as component, ';' as separator;
 select 0 as id, 'Hello World 😊!' as msg
 union all
 select 1 as id, 'Goodbye World 😔!' as msg;

tests/index.rs

@@ -270,7 +270,7 @@ async fn test_csv_body() -> actix_web::Result<()> {
     );
     let body = test::read_body(resp).await;
     let body_str = String::from_utf8(body.to_vec()).unwrap();
-    assert_eq!(body_str, "id,msg\n0,Hello World 😊!\n1,Goodbye World 😔!\n");
+    assert_eq!(body_str, "id;msg\n0;Hello World 😊!\n1;Goodbye World 😔!\n");
     Ok(())
 }