From bcfe3726e281a694484450a58df7d45e4a4ebf09 Mon Sep 17 00:00:00 2001
From: Lucas Bajolet <lucas.bajolet@hashicorp.com>
Date: Mon, 6 May 2024 19:38:34 +0000
Subject: [PATCH] backport of commit 4d6d3cc81e27c9253dc60d2c30ffd0a681afcbd6

---
 test/gadgets_test.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/gadgets_test.go b/test/gadgets_test.go
index 9ad4819d8..03ee4c35e 100644
--- a/test/gadgets_test.go
+++ b/test/gadgets_test.go
@@ -132,3 +132,20 @@ func (_ PanicCheck) Check(stdout, stderr string, _ error) error {
 	}
 	return nil
 }
+
+// CustomCheck is meant to be a one-off checker with a user-provided function.
+//
+// Use this if none of the existing checkers match your use case, and it is not
+// reusable/generic enough for use in other tests.
+type CustomCheck struct {
+	name      string
+	checkFunc func(stdout, stderr string, err error) error
+}
+
+func (c CustomCheck) Check(stdout, stderr string, err error) error {
+	return c.checkFunc(stdout, stderr, err)
+}
+
+func (c CustomCheck) Name() string {
+	return fmt.Sprintf("custom check - %s", c.name)
+}