package health_test import ( "context" "testing" "fiskerinc.com/modules/health" "fiskerinc.com/modules/testhelper" "github.com/pkg/errors" ) func TestTmobileCheck(t *testing.T) { mock := MockTmobile{} fn := func() (health.TmobileConnCheckInterface, error) { return &mock, nil } check := health.NewTmobileCheck(fn) err := check(context.Background()) testhelper.NoError(t, "No error", err) mock.PingError = errors.New("ping error") err = check(context.Background()) testhelper.Error(t, "Ping error", err) } type MockTmobile struct { PingError error } func (m *MockTmobile) Ping(ctx context.Context) error { return m.PingError }