add export test so we dont break cli / kcl.py (#5553)

* add export test so we dont break cli / kcl.py

Signed-off-by: Jess Frazelle <github@jessfraz.com>

Overwrite created date (#5602)

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>

rust/kcl-lib/e2e/executor/main.rs

@@ -1,7 +1,7 @@
 mod cache;
 
 use kcl_lib::{
-    test_server::{execute_and_snapshot, execute_and_snapshot_no_auth},
+    test_server::{execute_and_export_step, execute_and_snapshot, execute_and_snapshot_no_auth},
     ExecError, UnitLength,
 };
 
@@ -2081,3 +2081,17 @@ async fn kcl_test_ensure_nothing_left_in_batch_multi_file() {
     assert!(ctx.engine.batch().read().await.is_empty());
     assert!(ctx.engine.batch_end().read().await.is_empty());
 }
+
+#[tokio::test(flavor = "multi_thread")]
+async fn kcl_test_exporting_step_file() {
+    // This tests export like how we do it in cli and kcl.py.
+    let code = kcl_input!("helix_defaults_negative_extrude");
+
+    let (_, _, files) = execute_and_export_step(code, UnitLength::Mm, None).await.unwrap();
+    for file in files {
+        expectorate::assert_contents(
+            format!("e2e/executor/outputs/helix_defaults_negative_extrude_{}", file.name),
+            std::str::from_utf8(&file.contents).unwrap(),
+        );
+    }
+}