[VOL-4291] OfAgent changes for gRPC migration
Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
diff --git a/vendor/github.com/stretchr/testify/assert/assertions.go b/vendor/github.com/stretchr/testify/assert/assertions.go
index 044da8b..bcac440 100644
--- a/vendor/github.com/stretchr/testify/assert/assertions.go
+++ b/vendor/github.com/stretchr/testify/assert/assertions.go
@@ -11,6 +11,7 @@
"reflect"
"regexp"
"runtime"
+ "runtime/debug"
"strings"
"time"
"unicode"
@@ -18,10 +19,10 @@
"github.com/davecgh/go-spew/spew"
"github.com/pmezard/go-difflib/difflib"
- yaml "gopkg.in/yaml.v2"
+ yaml "gopkg.in/yaml.v3"
)
-//go:generate go run ../_codegen/main.go -output-package=assert -template=assertion_format.go.tmpl
+//go:generate sh -c "cd ../_codegen && go build && cd - && ../_codegen/_codegen -output-package=assert -template=assertion_format.go.tmpl"
// TestingT is an interface wrapper around *testing.T
type TestingT interface {
@@ -44,7 +45,7 @@
// for table driven tests.
type ErrorAssertionFunc func(TestingT, error, ...interface{}) bool
-// Comparison a custom function that returns true on success and false on failure
+// Comparison is a custom function that returns true on success and false on failure
type Comparison func() (success bool)
/*
@@ -103,11 +104,11 @@
// failed.
func CallerInfo() []string {
- pc := uintptr(0)
- file := ""
- line := 0
- ok := false
- name := ""
+ var pc uintptr
+ var ok bool
+ var file string
+ var line int
+ var name string
callers := []string{}
for i := 0; ; i++ {
@@ -171,8 +172,8 @@
if len(name) == len(prefix) { // "Test" is ok
return true
}
- rune, _ := utf8.DecodeRuneInString(name[len(prefix):])
- return !unicode.IsLower(rune)
+ r, _ := utf8.DecodeRuneInString(name[len(prefix):])
+ return !unicode.IsLower(r)
}
func messageFromMsgAndArgs(msgAndArgs ...interface{}) string {
@@ -351,6 +352,19 @@
}
+// validateEqualArgs checks whether provided arguments can be safely used in the
+// Equal/NotEqual functions.
+func validateEqualArgs(expected, actual interface{}) error {
+ if expected == nil && actual == nil {
+ return nil
+ }
+
+ if isFunction(expected) || isFunction(actual) {
+ return errors.New("cannot take func type as argument")
+ }
+ return nil
+}
+
// Same asserts that two pointers reference the same object.
//
// assert.Same(t, ptr1, ptr2)
@@ -362,18 +376,7 @@
h.Helper()
}
- expectedPtr, actualPtr := reflect.ValueOf(expected), reflect.ValueOf(actual)
- if expectedPtr.Kind() != reflect.Ptr || actualPtr.Kind() != reflect.Ptr {
- return Fail(t, "Invalid operation: both arguments must be pointers", msgAndArgs...)
- }
-
- expectedType, actualType := reflect.TypeOf(expected), reflect.TypeOf(actual)
- if expectedType != actualType {
- return Fail(t, fmt.Sprintf("Pointer expected to be of type %v, but was %v",
- expectedType, actualType), msgAndArgs...)
- }
-
- if expected != actual {
+ if !samePointers(expected, actual) {
return Fail(t, fmt.Sprintf("Not same: \n"+
"expected: %p %#v\n"+
"actual : %p %#v", expected, expected, actual, actual), msgAndArgs...)
@@ -382,6 +385,42 @@
return true
}
+// NotSame asserts that two pointers do not reference the same object.
+//
+// assert.NotSame(t, ptr1, ptr2)
+//
+// Both arguments must be pointer variables. Pointer variable sameness is
+// determined based on the equality of both type and value.
+func NotSame(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+
+ if samePointers(expected, actual) {
+ return Fail(t, fmt.Sprintf(
+ "Expected and actual point to the same object: %p %#v",
+ expected, expected), msgAndArgs...)
+ }
+ return true
+}
+
+// samePointers compares two generic interface objects and returns whether
+// they point to the same object
+func samePointers(first, second interface{}) bool {
+ firstPtr, secondPtr := reflect.ValueOf(first), reflect.ValueOf(second)
+ if firstPtr.Kind() != reflect.Ptr || secondPtr.Kind() != reflect.Ptr {
+ return false
+ }
+
+ firstType, secondType := reflect.TypeOf(first), reflect.TypeOf(second)
+ if firstType != secondType {
+ return false
+ }
+
+ // compare pointer addresses
+ return first == second
+}
+
// formatUnequalValues takes two values of arbitrary types and returns string
// representations appropriate to be presented to the user.
//
@@ -390,12 +429,27 @@
// to a type conversion in the Go grammar.
func formatUnequalValues(expected, actual interface{}) (e string, a string) {
if reflect.TypeOf(expected) != reflect.TypeOf(actual) {
- return fmt.Sprintf("%T(%#v)", expected, expected),
- fmt.Sprintf("%T(%#v)", actual, actual)
+ return fmt.Sprintf("%T(%s)", expected, truncatingFormat(expected)),
+ fmt.Sprintf("%T(%s)", actual, truncatingFormat(actual))
}
+ switch expected.(type) {
+ case time.Duration:
+ return fmt.Sprintf("%v", expected), fmt.Sprintf("%v", actual)
+ }
+ return truncatingFormat(expected), truncatingFormat(actual)
+}
- return fmt.Sprintf("%#v", expected),
- fmt.Sprintf("%#v", actual)
+// truncatingFormat formats the data and truncates it if it's too long.
+//
+// This helps keep formatted error messages lines from exceeding the
+// bufio.MaxScanTokenSize max line length that the go testing framework imposes.
+func truncatingFormat(data interface{}) string {
+ value := fmt.Sprintf("%#v", data)
+ max := bufio.MaxScanTokenSize - 100 // Give us some space the type info too if needed.
+ if len(value) > max {
+ value = value[0:max] + "<... truncated>"
+ }
+ return value
}
// EqualValues asserts that two objects are equal or convertable to the same types
@@ -442,12 +496,12 @@
//
// assert.NotNil(t, err)
func NotNil(t TestingT, object interface{}, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
if !isNil(object) {
return true
}
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
return Fail(t, "Expected value not to be nil.", msgAndArgs...)
}
@@ -488,12 +542,12 @@
//
// assert.Nil(t, err)
func Nil(t TestingT, object interface{}, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
if isNil(object) {
return true
}
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
return Fail(t, fmt.Sprintf("Expected nil, but got: %#v", object), msgAndArgs...)
}
@@ -530,12 +584,11 @@
//
// assert.Empty(t, obj)
func Empty(t TestingT, object interface{}, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
-
pass := isEmpty(object)
if !pass {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
Fail(t, fmt.Sprintf("Should be empty, but was %v", object), msgAndArgs...)
}
@@ -550,12 +603,11 @@
// assert.Equal(t, "two", obj[1])
// }
func NotEmpty(t TestingT, object interface{}, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
-
pass := !isEmpty(object)
if !pass {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
Fail(t, fmt.Sprintf("Should NOT be empty, but was %v", object), msgAndArgs...)
}
@@ -598,16 +650,10 @@
//
// assert.True(t, myBool)
func True(t TestingT, value bool, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
- if h, ok := t.(interface {
- Helper()
- }); ok {
- h.Helper()
- }
-
- if value != true {
+ if !value {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
return Fail(t, "Should be true", msgAndArgs...)
}
@@ -619,11 +665,10 @@
//
// assert.False(t, myBool)
func False(t TestingT, value bool, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
-
- if value != false {
+ if value {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
return Fail(t, "Should be false", msgAndArgs...)
}
@@ -654,6 +699,21 @@
}
+// NotEqualValues asserts that two objects are not equal even when converted to the same type
+//
+// assert.NotEqualValues(t, obj1, obj2)
+func NotEqualValues(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+
+ if ObjectsAreEqualValues(expected, actual) {
+ return Fail(t, fmt.Sprintf("Should not be: %#v\n", actual), msgAndArgs...)
+ }
+
+ return true
+}
+
// containsElement try loop over the list check if the list includes the element.
// return (false, false) if impossible.
// return (true, false) if element was not found.
@@ -706,10 +766,10 @@
ok, found := includeElement(s, contains)
if !ok {
- return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", s), msgAndArgs...)
+ return Fail(t, fmt.Sprintf("%#v could not be applied builtin len()", s), msgAndArgs...)
}
if !found {
- return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", s, contains), msgAndArgs...)
+ return Fail(t, fmt.Sprintf("%#v does not contain %#v", s, contains), msgAndArgs...)
}
return true
@@ -840,27 +900,39 @@
return true
}
- aKind := reflect.TypeOf(listA).Kind()
- bKind := reflect.TypeOf(listB).Kind()
-
- if aKind != reflect.Array && aKind != reflect.Slice {
- return Fail(t, fmt.Sprintf("%q has an unsupported type %s", listA, aKind), msgAndArgs...)
+ if !isList(t, listA, msgAndArgs...) || !isList(t, listB, msgAndArgs...) {
+ return false
}
- if bKind != reflect.Array && bKind != reflect.Slice {
- return Fail(t, fmt.Sprintf("%q has an unsupported type %s", listB, bKind), msgAndArgs...)
+ extraA, extraB := diffLists(listA, listB)
+
+ if len(extraA) == 0 && len(extraB) == 0 {
+ return true
}
+ return Fail(t, formatListDiff(listA, listB, extraA, extraB), msgAndArgs...)
+}
+
+// isList checks that the provided value is array or slice.
+func isList(t TestingT, list interface{}, msgAndArgs ...interface{}) (ok bool) {
+ kind := reflect.TypeOf(list).Kind()
+ if kind != reflect.Array && kind != reflect.Slice {
+ return Fail(t, fmt.Sprintf("%q has an unsupported type %s, expecting array or slice", list, kind),
+ msgAndArgs...)
+ }
+ return true
+}
+
+// diffLists diffs two arrays/slices and returns slices of elements that are only in A and only in B.
+// If some element is present multiple times, each instance is counted separately (e.g. if something is 2x in A and
+// 5x in B, it will be 0x in extraA and 3x in extraB). The order of items in both lists is ignored.
+func diffLists(listA, listB interface{}) (extraA, extraB []interface{}) {
aValue := reflect.ValueOf(listA)
bValue := reflect.ValueOf(listB)
aLen := aValue.Len()
bLen := bValue.Len()
- if aLen != bLen {
- return Fail(t, fmt.Sprintf("lengths don't match: %d != %d", aLen, bLen), msgAndArgs...)
- }
-
// Mark indexes in bValue that we already used
visited := make([]bool, bLen)
for i := 0; i < aLen; i++ {
@@ -877,11 +949,38 @@
}
}
if !found {
- return Fail(t, fmt.Sprintf("element %s appears more times in %s than in %s", element, aValue, bValue), msgAndArgs...)
+ extraA = append(extraA, element)
}
}
- return true
+ for j := 0; j < bLen; j++ {
+ if visited[j] {
+ continue
+ }
+ extraB = append(extraB, bValue.Index(j).Interface())
+ }
+
+ return
+}
+
+func formatListDiff(listA, listB interface{}, extraA, extraB []interface{}) string {
+ var msg bytes.Buffer
+
+ msg.WriteString("elements differ")
+ if len(extraA) > 0 {
+ msg.WriteString("\n\nextra elements in list A:\n")
+ msg.WriteString(spewConfig.Sdump(extraA))
+ }
+ if len(extraB) > 0 {
+ msg.WriteString("\n\nextra elements in list B:\n")
+ msg.WriteString(spewConfig.Sdump(extraB))
+ }
+ msg.WriteString("\n\nlistA:\n")
+ msg.WriteString(spewConfig.Sdump(listA))
+ msg.WriteString("\n\nlistB:\n")
+ msg.WriteString(spewConfig.Sdump(listB))
+
+ return msg.String()
}
// Condition uses a Comparison to assert a complex condition.
@@ -901,15 +1000,17 @@
type PanicTestFunc func()
// didPanic returns true if the function passed to it panics. Otherwise, it returns false.
-func didPanic(f PanicTestFunc) (bool, interface{}) {
+func didPanic(f PanicTestFunc) (bool, interface{}, string) {
didPanic := false
var message interface{}
+ var stack string
func() {
defer func() {
if message = recover(); message != nil {
didPanic = true
+ stack = string(debug.Stack())
}
}()
@@ -918,7 +1019,7 @@
}()
- return didPanic, message
+ return didPanic, message, stack
}
@@ -930,7 +1031,7 @@
h.Helper()
}
- if funcDidPanic, panicValue := didPanic(f); !funcDidPanic {
+ if funcDidPanic, panicValue, _ := didPanic(f); !funcDidPanic {
return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%#v", f, panicValue), msgAndArgs...)
}
@@ -946,12 +1047,34 @@
h.Helper()
}
- funcDidPanic, panicValue := didPanic(f)
+ funcDidPanic, panicValue, panickedStack := didPanic(f)
if !funcDidPanic {
return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%#v", f, panicValue), msgAndArgs...)
}
if panicValue != expected {
- return Fail(t, fmt.Sprintf("func %#v should panic with value:\t%#v\n\tPanic value:\t%#v", f, expected, panicValue), msgAndArgs...)
+ return Fail(t, fmt.Sprintf("func %#v should panic with value:\t%#v\n\tPanic value:\t%#v\n\tPanic stack:\t%s", f, expected, panicValue, panickedStack), msgAndArgs...)
+ }
+
+ return true
+}
+
+// PanicsWithError asserts that the code inside the specified PanicTestFunc
+// panics, and that the recovered panic value is an error that satisfies the
+// EqualError comparison.
+//
+// assert.PanicsWithError(t, "crazy error", func(){ GoCrazy() })
+func PanicsWithError(t TestingT, errString string, f PanicTestFunc, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+
+ funcDidPanic, panicValue, panickedStack := didPanic(f)
+ if !funcDidPanic {
+ return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%#v", f, panicValue), msgAndArgs...)
+ }
+ panicErr, ok := panicValue.(error)
+ if !ok || panicErr.Error() != errString {
+ return Fail(t, fmt.Sprintf("func %#v should panic with error message:\t%#v\n\tPanic value:\t%#v\n\tPanic stack:\t%s", f, errString, panicValue, panickedStack), msgAndArgs...)
}
return true
@@ -965,8 +1088,8 @@
h.Helper()
}
- if funcDidPanic, panicValue := didPanic(f); funcDidPanic {
- return Fail(t, fmt.Sprintf("func %#v should not panic\n\tPanic value:\t%v", f, panicValue), msgAndArgs...)
+ if funcDidPanic, panicValue, panickedStack := didPanic(f); funcDidPanic {
+ return Fail(t, fmt.Sprintf("func %#v should not panic\n\tPanic value:\t%v\n\tPanic stack:\t%s", f, panicValue, panickedStack), msgAndArgs...)
}
return true
@@ -993,6 +1116,8 @@
xok := true
switch xn := x.(type) {
+ case uint:
+ xf = float64(xn)
case uint8:
xf = float64(xn)
case uint16:
@@ -1014,7 +1139,7 @@
case float32:
xf = float64(xn)
case float64:
- xf = float64(xn)
+ xf = xn
case time.Duration:
xf = float64(xn)
default:
@@ -1026,7 +1151,7 @@
// InDelta asserts that the two numerals are within delta of each other.
//
-// assert.InDelta(t, math.Pi, (22 / 7.0), 0.01)
+// assert.InDelta(t, math.Pi, 22/7.0, 0.01)
func InDelta(t TestingT, expected, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
@@ -1128,6 +1253,9 @@
if !aok {
return 0, fmt.Errorf("expected value %q cannot be converted to float", expected)
}
+ if math.IsNaN(af) {
+ return 0, errors.New("expected value must not be NaN")
+ }
if af == 0 {
return 0, fmt.Errorf("expected value must have a value other than zero to calculate the relative error")
}
@@ -1135,6 +1263,9 @@
if !bok {
return 0, fmt.Errorf("actual value %q cannot be converted to float", actual)
}
+ if math.IsNaN(bf) {
+ return 0, errors.New("actual value must not be NaN")
+ }
return math.Abs(af-bf) / math.Abs(af), nil
}
@@ -1144,6 +1275,9 @@
if h, ok := t.(tHelper); ok {
h.Helper()
}
+ if math.IsNaN(epsilon) {
+ return Fail(t, "epsilon must not be NaN")
+ }
actualEpsilon, err := calcRelativeError(expected, actual)
if err != nil {
return Fail(t, err.Error(), msgAndArgs...)
@@ -1191,10 +1325,10 @@
// assert.Equal(t, expectedObj, actualObj)
// }
func NoError(t TestingT, err error, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
if err != nil {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
return Fail(t, fmt.Sprintf("Received unexpected error:\n%+v", err), msgAndArgs...)
}
@@ -1208,11 +1342,10 @@
// assert.Equal(t, expectedError, err)
// }
func Error(t TestingT, err error, msgAndArgs ...interface{}) bool {
- if h, ok := t.(tHelper); ok {
- h.Helper()
- }
-
if err == nil {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
return Fail(t, "An error is expected but got nil.", msgAndArgs...)
}
@@ -1314,7 +1447,8 @@
return true
}
-// FileExists checks whether a file exists in the given path. It also fails if the path points to a directory or there is an error when trying to check the file.
+// FileExists checks whether a file exists in the given path. It also fails if
+// the path points to a directory or there is an error when trying to check the file.
func FileExists(t TestingT, path string, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
@@ -1332,7 +1466,24 @@
return true
}
-// DirExists checks whether a directory exists in the given path. It also fails if the path is a file rather a directory or there is an error checking whether it exists.
+// NoFileExists checks whether a file does not exist in a given path. It fails
+// if the path points to an existing _file_ only.
+func NoFileExists(t TestingT, path string, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+ info, err := os.Lstat(path)
+ if err != nil {
+ return true
+ }
+ if info.IsDir() {
+ return true
+ }
+ return Fail(t, fmt.Sprintf("file %q exists", path), msgAndArgs...)
+}
+
+// DirExists checks whether a directory exists in the given path. It also fails
+// if the path is a file rather a directory or there is an error checking whether it exists.
func DirExists(t TestingT, path string, msgAndArgs ...interface{}) bool {
if h, ok := t.(tHelper); ok {
h.Helper()
@@ -1350,6 +1501,25 @@
return true
}
+// NoDirExists checks whether a directory does not exist in the given path.
+// It fails if the path points to an existing _directory_ only.
+func NoDirExists(t TestingT, path string, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+ info, err := os.Lstat(path)
+ if err != nil {
+ if os.IsNotExist(err) {
+ return true
+ }
+ return true
+ }
+ if !info.IsDir() {
+ return true
+ }
+ return Fail(t, fmt.Sprintf("directory %q exists", path), msgAndArgs...)
+}
+
// JSONEq asserts that two JSON strings are equivalent.
//
// assert.JSONEq(t, `{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)
@@ -1439,15 +1609,6 @@
return "\n\nDiff:\n" + diff
}
-// validateEqualArgs checks whether provided arguments can be safely used in the
-// Equal/NotEqual functions.
-func validateEqualArgs(expected, actual interface{}) error {
- if isFunction(expected) || isFunction(actual) {
- return errors.New("cannot take func type as argument")
- }
- return nil
-}
-
func isFunction(arg interface{}) bool {
if arg == nil {
return false
@@ -1460,6 +1621,8 @@
DisablePointerAddresses: true,
DisableCapacities: true,
SortKeys: true,
+ DisableMethods: true,
+ MaxDepth: 10,
}
type tHelper interface {
@@ -1475,24 +1638,137 @@
h.Helper()
}
+ ch := make(chan bool, 1)
+
timer := time.NewTimer(waitFor)
- ticker := time.NewTicker(tick)
- checkPassed := make(chan bool)
defer timer.Stop()
+
+ ticker := time.NewTicker(tick)
defer ticker.Stop()
- defer close(checkPassed)
- for {
+
+ for tick := ticker.C; ; {
select {
case <-timer.C:
return Fail(t, "Condition never satisfied", msgAndArgs...)
- case result := <-checkPassed:
- if result {
+ case <-tick:
+ tick = nil
+ go func() { ch <- condition() }()
+ case v := <-ch:
+ if v {
return true
}
- case <-ticker.C:
- go func() {
- checkPassed <- condition()
- }()
+ tick = ticker.C
}
}
}
+
+// Never asserts that the given condition doesn't satisfy in waitFor time,
+// periodically checking the target function each tick.
+//
+// assert.Never(t, func() bool { return false; }, time.Second, 10*time.Millisecond)
+func Never(t TestingT, condition func() bool, waitFor time.Duration, tick time.Duration, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+
+ ch := make(chan bool, 1)
+
+ timer := time.NewTimer(waitFor)
+ defer timer.Stop()
+
+ ticker := time.NewTicker(tick)
+ defer ticker.Stop()
+
+ for tick := ticker.C; ; {
+ select {
+ case <-timer.C:
+ return true
+ case <-tick:
+ tick = nil
+ go func() { ch <- condition() }()
+ case v := <-ch:
+ if v {
+ return Fail(t, "Condition satisfied", msgAndArgs...)
+ }
+ tick = ticker.C
+ }
+ }
+}
+
+// ErrorIs asserts that at least one of the errors in err's chain matches target.
+// This is a wrapper for errors.Is.
+func ErrorIs(t TestingT, err, target error, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+ if errors.Is(err, target) {
+ return true
+ }
+
+ var expectedText string
+ if target != nil {
+ expectedText = target.Error()
+ }
+
+ chain := buildErrorChainString(err)
+
+ return Fail(t, fmt.Sprintf("Target error should be in err chain:\n"+
+ "expected: %q\n"+
+ "in chain: %s", expectedText, chain,
+ ), msgAndArgs...)
+}
+
+// NotErrorIs asserts that at none of the errors in err's chain matches target.
+// This is a wrapper for errors.Is.
+func NotErrorIs(t TestingT, err, target error, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+ if !errors.Is(err, target) {
+ return true
+ }
+
+ var expectedText string
+ if target != nil {
+ expectedText = target.Error()
+ }
+
+ chain := buildErrorChainString(err)
+
+ return Fail(t, fmt.Sprintf("Target error should not be in err chain:\n"+
+ "found: %q\n"+
+ "in chain: %s", expectedText, chain,
+ ), msgAndArgs...)
+}
+
+// ErrorAs asserts that at least one of the errors in err's chain matches target, and if so, sets target to that error value.
+// This is a wrapper for errors.As.
+func ErrorAs(t TestingT, err error, target interface{}, msgAndArgs ...interface{}) bool {
+ if h, ok := t.(tHelper); ok {
+ h.Helper()
+ }
+ if errors.As(err, target) {
+ return true
+ }
+
+ chain := buildErrorChainString(err)
+
+ return Fail(t, fmt.Sprintf("Should be in error chain:\n"+
+ "expected: %q\n"+
+ "in chain: %s", target, chain,
+ ), msgAndArgs...)
+}
+
+func buildErrorChainString(err error) string {
+ if err == nil {
+ return ""
+ }
+
+ e := errors.Unwrap(err)
+ chain := fmt.Sprintf("%q", err.Error())
+ for e != nil {
+ chain += fmt.Sprintf("\n\t%q", e.Error())
+ e = errors.Unwrap(e)
+ }
+ return chain
+}