1 files changed, 17 insertions, 0 deletions
diff --git a/go/internal/testhelper/testhelper.go b/go/internal/testhelper/testhelper.go
new file mode 100644
index 0000000..5cdab89
--- /dev/null
+++ b/go/internal/testhelper/testhelper.go
@@ -0,0 +1,17 @@
+package testhelper
+
+import "os"
+
+func TempEnv(env map[string]string) func() {
+	var original = make(map[string]string)
+	for key, value := range env {
+		original[key] = os.Getenv(key)
+		os.Setenv(key, value)
+	}
+
+	return func() {
+		for key, originalValue := range original {
+			os.Setenv(key, originalValue)
+		}
+	}
+}