type DockerBuildInfo struct {
	Hub  string
	Tag  string
	OS   string
	Arch string
}

// NewBuildInfoFromOldString creates a BuildInfo struct based on the output
// of previous Istio components '-- version' output
func NewBuildInfoFromOldString(oldOutput string) (BuildInfo, error) {
	res := BuildInfo{}

	lines := strings.Split(oldOutput, "\n")
	for _, line := range lines {

			BuildInfo{},
		},
		{
			"Invalid input 2",
			"Xuxa:Xuxo",
			false,
			BuildInfo{},
		},
	}

	for _, v := range cases {
		t.Run(v.name, func(t *testing.T) {
			got, err := NewBuildInfoFromOldString(v.in)
			if v.expectFail && err == nil {
				t.Errorf("Expected failure, got success")
			}
			if !v.expectFail && err != nil {
				t.Errorf("Got %v, expected success", err)
			}

			if got != v.want {