Bumpup CNI repo version

This commit is contained in:
Tomofumi Hayashi
2019-08-26 16:39:14 +09:00
committed by Tomofumi Hayashi
parent d9d72c7a4f
commit c8a59dbb78
543 changed files with 243277 additions and 9217 deletions

View File

@@ -1,12 +1,17 @@
/*
Gomega's format package pretty-prints objects. It explores input objects recursively and generates formatted, indented output with type information.
*/
// untested sections: 4
package format
import (
"fmt"
"reflect"
"strconv"
"strings"
"time"
)
// Use MaxDepth to set the maximum recursion depth when printing deeply nested objects
@@ -21,6 +26,28 @@ Note that GoString and String don't always have all the information you need to
*/
var UseStringerRepresentation = false
/*
Print the content of context objects. By default it will be suppressed.
Set PrintContextObjects = true to enable printing of the context internals.
*/
var PrintContextObjects = false
// TruncatedDiff choose if we should display a truncated pretty diff or not
var TruncatedDiff = true
// Ctx interface defined here to keep backwards compatibility with go < 1.7
// It matches the context.Context interface
type Ctx interface {
Deadline() (deadline time.Time, ok bool)
Done() <-chan struct{}
Err() error
Value(key interface{}) interface{}
}
var contextType = reflect.TypeOf((*Ctx)(nil)).Elem()
var timeType = reflect.TypeOf(time.Time{})
//The default indentation string emitted by the format package
var Indent = " "
@@ -34,7 +61,7 @@ Generates a formatted matcher success/failure message of the form:
<message>
<pretty printed expected>
If expected is omited, then the message looks like:
If expected is omitted, then the message looks like:
Expected
<pretty printed actual>
@@ -43,11 +70,94 @@ If expected is omited, then the message looks like:
func Message(actual interface{}, message string, expected ...interface{}) string {
if len(expected) == 0 {
return fmt.Sprintf("Expected\n%s\n%s", Object(actual, 1), message)
} else {
return fmt.Sprintf("Expected\n%s\n%s\n%s", Object(actual, 1), message, Object(expected[0], 1))
}
return fmt.Sprintf("Expected\n%s\n%s\n%s", Object(actual, 1), message, Object(expected[0], 1))
}
/*
Generates a nicely formatted matcher success / failure message
Much like Message(...), but it attempts to pretty print diffs in strings
Expected
<string>: "...aaaaabaaaaa..."
to equal |
<string>: "...aaaaazaaaaa..."
*/
func MessageWithDiff(actual, message, expected string) string {
if TruncatedDiff && len(actual) >= truncateThreshold && len(expected) >= truncateThreshold {
diffPoint := findFirstMismatch(actual, expected)
formattedActual := truncateAndFormat(actual, diffPoint)
formattedExpected := truncateAndFormat(expected, diffPoint)
spacesBeforeFormattedMismatch := findFirstMismatch(formattedActual, formattedExpected)
tabLength := 4
spaceFromMessageToActual := tabLength + len("<string>: ") - len(message)
padding := strings.Repeat(" ", spaceFromMessageToActual+spacesBeforeFormattedMismatch) + "|"
return Message(formattedActual, message+padding, formattedExpected)
}
actual = escapedWithGoSyntax(actual)
expected = escapedWithGoSyntax(expected)
return Message(actual, message, expected)
}
func escapedWithGoSyntax(str string) string {
withQuotes := fmt.Sprintf("%q", str)
return withQuotes[1 : len(withQuotes)-1]
}
func truncateAndFormat(str string, index int) string {
leftPadding := `...`
rightPadding := `...`
start := index - charactersAroundMismatchToInclude
if start < 0 {
start = 0
leftPadding = ""
}
// slice index must include the mis-matched character
lengthOfMismatchedCharacter := 1
end := index + charactersAroundMismatchToInclude + lengthOfMismatchedCharacter
if end > len(str) {
end = len(str)
rightPadding = ""
}
return fmt.Sprintf("\"%s\"", leftPadding+str[start:end]+rightPadding)
}
func findFirstMismatch(a, b string) int {
aSlice := strings.Split(a, "")
bSlice := strings.Split(b, "")
for index, str := range aSlice {
if index > len(bSlice)-1 {
return index
}
if str != bSlice[index] {
return index
}
}
if len(b) > len(a) {
return len(a) + 1
}
return 0
}
const (
truncateThreshold = 50
charactersAroundMismatchToInclude = 5
)
/*
Pretty prints the passed in object at the passed in indentation level.
@@ -56,6 +166,8 @@ Object recurses into deeply nested objects emitting pretty-printed representatio
Modify format.MaxDepth to control how deep the recursion is allowed to go
Set format.UseStringerRepresentation to true to return object.GoString() or object.String() when available instead of
recursing into the object.
Set PrintContextObjects to true to print the content of objects implementing context.Context
*/
func Object(object interface{}, indentation uint) string {
indent := strings.Repeat(Indent, int(indentation))
@@ -123,6 +235,12 @@ func formatValue(value reflect.Value, indentation uint) string {
}
}
if !PrintContextObjects {
if value.Type().Implements(contextType) && indentation > 1 {
return "<suppressed context>"
}
}
switch value.Kind() {
case reflect.Bool:
return fmt.Sprintf("%v", value.Bool())
@@ -143,9 +261,6 @@ func formatValue(value reflect.Value, indentation uint) string {
case reflect.Ptr:
return formatValue(value.Elem(), indentation)
case reflect.Slice:
if value.Type().Elem().Kind() == reflect.Uint8 {
return formatString(value.Bytes(), indentation)
}
return formatSlice(value, indentation)
case reflect.String:
return formatString(value.String(), indentation)
@@ -154,15 +269,18 @@ func formatValue(value reflect.Value, indentation uint) string {
case reflect.Map:
return formatMap(value, indentation)
case reflect.Struct:
if value.Type() == timeType && value.CanInterface() {
t, _ := value.Interface().(time.Time)
return t.Format(time.RFC3339Nano)
}
return formatStruct(value, indentation)
case reflect.Interface:
return formatValue(value.Elem(), indentation)
default:
if value.CanInterface() {
return fmt.Sprintf("%#v", value.Interface())
} else {
return fmt.Sprintf("%#v", value)
}
return fmt.Sprintf("%#v", value)
}
}
@@ -182,13 +300,17 @@ func formatString(object interface{}, indentation uint) string {
}
}
return fmt.Sprintf("%s", result)
return result
} else {
return fmt.Sprintf("%q", object)
}
}
func formatSlice(v reflect.Value, indentation uint) string {
if v.Kind() == reflect.Slice && v.Type().Elem().Kind() == reflect.Uint8 && isPrintableString(string(v.Bytes())) {
return formatString(v.Bytes(), indentation)
}
l := v.Len()
result := make([]string, l)
longest := 0
@@ -202,9 +324,8 @@ func formatSlice(v reflect.Value, indentation uint) string {
if longest > longFormThreshold {
indenter := strings.Repeat(Indent, int(indentation))
return fmt.Sprintf("[\n%s%s,\n%s]", indenter+Indent, strings.Join(result, ",\n"+indenter+Indent), indenter)
} else {
return fmt.Sprintf("[%s]", strings.Join(result, ", "))
}
return fmt.Sprintf("[%s]", strings.Join(result, ", "))
}
func formatMap(v reflect.Value, indentation uint) string {
@@ -214,7 +335,7 @@ func formatMap(v reflect.Value, indentation uint) string {
longest := 0
for i, key := range v.MapKeys() {
value := v.MapIndex(key)
result[i] = fmt.Sprintf("%s: %s", formatValue(key, 0), formatValue(value, indentation+1))
result[i] = fmt.Sprintf("%s: %s", formatValue(key, indentation+1), formatValue(value, indentation+1))
if len(result[i]) > longest {
longest = len(result[i])
}
@@ -223,9 +344,8 @@ func formatMap(v reflect.Value, indentation uint) string {
if longest > longFormThreshold {
indenter := strings.Repeat(Indent, int(indentation))
return fmt.Sprintf("{\n%s%s,\n%s}", indenter+Indent, strings.Join(result, ",\n"+indenter+Indent), indenter)
} else {
return fmt.Sprintf("{%s}", strings.Join(result, ", "))
}
return fmt.Sprintf("{%s}", strings.Join(result, ", "))
}
func formatStruct(v reflect.Value, indentation uint) string {
@@ -246,9 +366,8 @@ func formatStruct(v reflect.Value, indentation uint) string {
if longest > longFormThreshold {
indenter := strings.Repeat(Indent, int(indentation))
return fmt.Sprintf("{\n%s%s,\n%s}", indenter+Indent, strings.Join(result, ",\n"+indenter+Indent), indenter)
} else {
return fmt.Sprintf("{%s}", strings.Join(result, ", "))
}
return fmt.Sprintf("{%s}", strings.Join(result, ", "))
}
func isNilValue(a reflect.Value) bool {
@@ -262,15 +381,14 @@ func isNilValue(a reflect.Value) bool {
return false
}
func isNil(a interface{}) bool {
if a == nil {
return true
/*
Returns true when the string is entirely made of printable runes, false otherwise.
*/
func isPrintableString(str string) bool {
for _, runeValue := range str {
if !strconv.IsPrint(runeValue) {
return false
}
}
switch reflect.TypeOf(a).Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
return reflect.ValueOf(a).IsNil()
}
return false
return true
}