Beispiel #1
0
// ObjectGoPrintDiff is like ObjectDiff, but uses go-spew to print the objects,
// which shows absolutely everything by recursing into every single pointer
// (go's %#v formatters OTOH stop at a certain point). This is needed when you
// can't figure out why reflect.DeepEqual is returning false and nothing is
// showing you differences. This will.
func ObjectGoPrintDiff(a, b interface{}) string {
	s := spew.ConfigState{DisableMethods: true}
	return StringDiff(
		s.Sprintf("%#v", a),
		s.Sprintf("%#v", b),
	)
}
Beispiel #2
0
// DeepHashObject writes specified object to hash using the spew library
// which follows pointers and prints actual values of the nested objects
// ensuring the hash does not change when a pointer changes.
func DeepHashObject(hasher hash.Hash, objectToWrite interface{}) {
	hasher.Reset()
	printer := spew.ConfigState{
		Indent:         " ",
		SortKeys:       true,
		DisableMethods: true,
		SpewKeys:       true,
	}
	printer.Fprintf(hasher, "%#v", objectToWrite)
}
Beispiel #3
0
// ObjectGoPrintSideBySide prints a and b as textual dumps side by side,
// enabling easy visual scanning for mismatches.
func ObjectGoPrintSideBySide(a, b interface{}) string {
	s := spew.ConfigState{
		Indent: " ",
		// Extra deep spew.
		DisableMethods: true,
	}
	sA := s.Sdump(a)
	sB := s.Sdump(b)

	linesA := strings.Split(sA, "\n")
	linesB := strings.Split(sB, "\n")
	width := 0
	for _, s := range linesA {
		l := len(s)
		if l > width {
			width = l
		}
	}
	for _, s := range linesB {
		l := len(s)
		if l > width {
			width = l
		}
	}
	buf := &bytes.Buffer{}
	w := tabwriter.NewWriter(buf, width, 0, 1, ' ', 0)
	max := len(linesA)
	if len(linesB) > max {
		max = len(linesB)
	}
	for i := 0; i < max; i++ {
		var a, b string
		if i < len(linesA) {
			a = linesA[i]
		}
		if i < len(linesB) {
			b = linesB[i]
		}
		fmt.Fprintf(w, "%s\t%s\n", a, b)
	}
	w.Flush()
	return buf.String()
}