integration: Add tempdir()HEADmain

This utility function centralizes the creation and error handling for
temporary test directories to run native sim firmware or scripts to
start a real DUT (device under test).

1 files changed, 14 insertions, 0 deletions

diff --git a/integration/utils.go b/integration/utils.go
new file mode 100644
index 0000000..12e1f62
--- /dev/null
+++ b/integration/utils.go
@@ -0,0 +1,14 @@
+package integration
+
+import (
+	"os"
+	"testing"
+)
+
+func tempdir(t *testing.T) string {
+	dir, err := os.MkdirTemp("", "iot-contact-go-integration-test-*")
+	if err != nil {
+		t.Skip("Could not create temporary directory for integration test.")
+	}
+	return dir
+}