go/printer: mention that input file is formatted in TestFiles error m…

…essage Currently when one of the tests in TestFiles fail, then the error looks like this: --- testdata/generics.input +++ testdata/generics.golden which is confusing, with this change it will be: --- format(testdata/generics.input) +++ testdata/generics.golden Change-Id: Id5c080c5237acd82303d2f41cace8a3fe9ea08e0 GitHub-Last-Rev: aedafc0 GitHub-Pull-Request: golang#69292 Reviewed-on: https://go-review.googlesource.com/c/go/+/610559 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Robert Griesemer <gri@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
aytanet · Sep 6, 2024 · 8cb6143 · 8cb6143
1 parent d1ce116
commit 8cb6143
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/go/printer/printer_test.go b/src/go/printer/printer_test.go
@@ -126,7 +126,7 @@ func runcheck(t *testing.T, source, golden string, mode checkMode) {
 	}
 
 	// formatted source and golden must be the same
-	if err := checkEqual(source, golden, res, gld); err != nil {
+	if err := checkEqual(fmt.Sprintf("format(%v)", source), golden, res, gld); err != nil {
 		t.Error(err)
 		return
 	}