fix(es/transforms/testing): Fix test_fixture (#2400)

swc_ecma_transforms_testing:
 - Make logic depends on `NormalizedOutput::compare_to_file`.

Cargo.lock

@@ -2932,7 +2932,7 @@ dependencies = [
 
 [[package]]
 name = "swc_ecma_transforms_testing"
-version = "0.38.0"
+version = "0.38.1"
 dependencies = [
  "ansi_term 0.12.1",
  "anyhow",

ecmascript/transforms/testing/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_transforms_testing"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.38.0"
+version = "0.38.1"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

ecmascript/transforms/testing/src/lib.rs

@@ -26,7 +26,7 @@ use swc_ecma_transforms_base::{
 use swc_ecma_utils::{quote_ident, quote_str, DropSpan, ExprFactory, HANDLER};
 use swc_ecma_visit::{as_folder, noop_visit_mut_type, Fold, FoldWith, VisitMut, VisitMutWith};
 use tempfile::tempdir_in;
-use testing::{assert_eq, find_executable, DebugUsingDisplay, NormalizedOutput};
+use testing::{assert_eq, find_executable, NormalizedOutput};
 
 pub struct Tester<'a> {
     pub cm: Lrc<SourceMap>,
@@ -698,8 +698,6 @@ fn test_fixture_inner<P>(
         Ok(actual_src)
     });
 
-    let mut results = vec![];
-
     if allow_error {
         NormalizedOutput::from(stderr)
             .compare_to_file(output.with_extension("stderr"))
@@ -719,25 +717,10 @@ fn test_fixture_inner<P>(
                 return;
             }
 
-            if let Ok("1") = env::var("UPDATE").as_deref() {
-                results.push(NormalizedOutput::from(actual_src.clone()).compare_to_file(output));
-            }
-
-            if NormalizedOutput::from(actual_src.clone())
-                == NormalizedOutput::from(expected_src.clone())
-            {
-                return;
-            }
-
-            assert_eq!(
-                DebugUsingDisplay(&actual_src),
-                DebugUsingDisplay(&expected_src)
-            );
+            NormalizedOutput::from(actual_src.clone())
+                .compare_to_file(output)
+                .unwrap();
         }
         _ => {}
     }
-
-    for result in results {
-        result.unwrap();
-    }
 }