added barebones tests for system package

internal/pkg/system/hwinfo_test.go

@@ -4,9 +4,38 @@ import (
 	"testing"
 )
 
+// TestGetInfo ensures that the array can be populated with device info.
 func TestGetInfo(t *testing.T) {
-	info, err := GetInfo()
+	if err := getInfo(); err != nil {
-	if err != nil {
+		t.Fatalf(`getInfo() failed %v`, err)
-		panic(err)
 	}
 }
+
+// TestGetIP tests that the IP is returned without error and not empty.
+func TestGetIP(t *testing.T) {
+	if ip, err := GetIP(); err != nil || ip == "" {
+		t.Fatalf(`GetIP() failed, got %s, err: %v`, ip, err)
+	}
+}
+
+// TestGetID tests that the ID is returned without error and not empty.
+func TestGetID(t *testing.T) {
+	if id, err := GetID(); err != nil || id == 0 {
+		t.Fatalf(`GetID() failed, got %d %v`, id, err)
+	}
+}
+
+// TestGetModel tests that the Model is returned without error and not empty.
+func TestGetModel(t *testing.T) {
+	if model, err := GetModel(); err != nil || model == "" {
+		t.Fatalf(`GetModel() failed, got %s %v`, model, err)
+	}
+}
+
+// TestGetModel tests that the correct error is thrown as the bus does not exist on the test rig.
+func TestGetBus(t *testing.T) {
+	if bus, err := GetBus(); err != ErrBusNotFound {
+		t.Fatalf(`GetBus() should fail, got %d %v`, bus, err)
+	}
+
+}