func Test_Invalid_Url(t *testing.T) {
	opts := command.Options{}
	examples := []string{
		"postgre://foobar",
		"foobar",
	}

	for _, val := range examples {
		opts.Url = val
		str, err := BuildString(opts)

		assert.Equal(t, "", str)
		assert.Error(t, err)
		assert.Equal(t, "Invalid URL. Valid format: postgres://user:password@host:port/db?sslmode=mode", err.Error())
	}
}