migrate to go modules

1 files changed, 0 insertions, 1394 deletions

diff --git a/vendor/github.com/stretchr/testify/assert/assertions.go b/vendor/github.com/stretchr/testify/assert/assertions.go
deleted file mode 100644
index 5bdec56c..00000000
--- a/vendor/github.com/stretchr/testify/assert/assertions.go
+++ /dev/null
@@ -1,1394 +0,0 @@
-package assert
-
-import (
-	"bufio"
-	"bytes"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"math"
-	"os"
-	"reflect"
-	"regexp"
-	"runtime"
-	"strings"
-	"time"
-	"unicode"
-	"unicode/utf8"
-
-	"github.com/davecgh/go-spew/spew"
-	"github.com/pmezard/go-difflib/difflib"
-)
-
-//go:generate go run ../_codegen/main.go -output-package=assert -template=assertion_format.go.tmpl
-
-// TestingT is an interface wrapper around *testing.T
-type TestingT interface {
-	Errorf(format string, args ...interface{})
-}
-
-// ComparisonAssertionFunc is a common function prototype when comparing two values.  Can be useful
-// for table driven tests.
-type ComparisonAssertionFunc func(TestingT, interface{}, interface{}, ...interface{}) bool
-
-// ValueAssertionFunc is a common function prototype when validating a single value.  Can be useful
-// for table driven tests.
-type ValueAssertionFunc func(TestingT, interface{}, ...interface{}) bool
-
-// BoolAssertionFunc is a common function prototype when validating a bool value.  Can be useful
-// for table driven tests.
-type BoolAssertionFunc func(TestingT, bool, ...interface{}) bool
-
-// ValuesAssertionFunc is a common function prototype when validating an error value.  Can be useful
-// for table driven tests.
-type ErrorAssertionFunc func(TestingT, error, ...interface{}) bool
-
-// Comparison a custom function that returns true on success and false on failure
-type Comparison func() (success bool)
-
-/*
-	Helper functions
-*/
-
-// ObjectsAreEqual determines if two objects are considered equal.
-//
-// This function does no assertion of any kind.
-func ObjectsAreEqual(expected, actual interface{}) bool {
-	if expected == nil || actual == nil {
-		return expected == actual
-	}
-
-	exp, ok := expected.([]byte)
-	if !ok {
-		return reflect.DeepEqual(expected, actual)
-	}
-
-	act, ok := actual.([]byte)
-	if !ok {
-		return false
-	}
-	if exp == nil || act == nil {
-		return exp == nil && act == nil
-	}
-	return bytes.Equal(exp, act)
-}
-
-// ObjectsAreEqualValues gets whether two objects are equal, or if their
-// values are equal.
-func ObjectsAreEqualValues(expected, actual interface{}) bool {
-	if ObjectsAreEqual(expected, actual) {
-		return true
-	}
-
-	actualType := reflect.TypeOf(actual)
-	if actualType == nil {
-		return false
-	}
-	expectedValue := reflect.ValueOf(expected)
-	if expectedValue.IsValid() && expectedValue.Type().ConvertibleTo(actualType) {
-		// Attempt comparison after type conversion
-		return reflect.DeepEqual(expectedValue.Convert(actualType).Interface(), actual)
-	}
-
-	return false
-}
-
-/* CallerInfo is necessary because the assert functions use the testing object
-internally, causing it to print the file:line of the assert method, rather than where
-the problem actually occurred in calling code.*/
-
-// CallerInfo returns an array of strings containing the file and line number
-// of each stack frame leading from the current test to the assert call that
-// failed.
-func CallerInfo() []string {
-
-	pc := uintptr(0)
-	file := ""
-	line := 0
-	ok := false
-	name := ""
-
-	callers := []string{}
-	for i := 0; ; i++ {
-		pc, file, line, ok = runtime.Caller(i)
-		if !ok {
-			// The breaks below failed to terminate the loop, and we ran off the
-			// end of the call stack.
-			break
-		}
-
-		// This is a huge edge case, but it will panic if this is the case, see #180
-		if file == "<autogenerated>" {
-			break
-		}
-
-		f := runtime.FuncForPC(pc)
-		if f == nil {
-			break
-		}
-		name = f.Name()
-
-		// testing.tRunner is the standard library function that calls
-		// tests. Subtests are called directly by tRunner, without going through
-		// the Test/Benchmark/Example function that contains the t.Run calls, so
-		// with subtests we should break when we hit tRunner, without adding it
-		// to the list of callers.
-		if name == "testing.tRunner" {
-			break
-		}
-
-		parts := strings.Split(file, "/")
-		file = parts[len(parts)-1]
-		if len(parts) > 1 {
-			dir := parts[len(parts)-2]
-			if (dir != "assert" && dir != "mock" && dir != "require") || file == "mock_test.go" {
-				callers = append(callers, fmt.Sprintf("%s:%d", file, line))
-			}
-		}
-
-		// Drop the package
-		segments := strings.Split(name, ".")
-		name = segments[len(segments)-1]
-		if isTest(name, "Test") ||
-			isTest(name, "Benchmark") ||
-			isTest(name, "Example") {
-			break
-		}
-	}
-
-	return callers
-}
-
-// Stolen from the `go test` tool.
-// isTest tells whether name looks like a test (or benchmark, according to prefix).
-// It is a Test (say) if there is a character after Test that is not a lower-case letter.
-// We don't want TesticularCancer.
-func isTest(name, prefix string) bool {
-	if !strings.HasPrefix(name, prefix) {
-		return false
-	}
-	if len(name) == len(prefix) { // "Test" is ok
-		return true
-	}
-	rune, _ := utf8.DecodeRuneInString(name[len(prefix):])
-	return !unicode.IsLower(rune)
-}
-
-func messageFromMsgAndArgs(msgAndArgs ...interface{}) string {
-	if len(msgAndArgs) == 0 || msgAndArgs == nil {
-		return ""
-	}
-	if len(msgAndArgs) == 1 {
-		return msgAndArgs[0].(string)
-	}
-	if len(msgAndArgs) > 1 {
-		return fmt.Sprintf(msgAndArgs[0].(string), msgAndArgs[1:]...)
-	}
-	return ""
-}
-
-// Aligns the provided message so that all lines after the first line start at the same location as the first line.
-// Assumes that the first line starts at the correct location (after carriage return, tab, label, spacer and tab).
-// The longestLabelLen parameter specifies the length of the longest label in the output (required becaues this is the
-// basis on which the alignment occurs).
-func indentMessageLines(message string, longestLabelLen int) string {
-	outBuf := new(bytes.Buffer)
-
-	for i, scanner := 0, bufio.NewScanner(strings.NewReader(message)); scanner.Scan(); i++ {
-		// no need to align first line because it starts at the correct location (after the label)
-		if i != 0 {
-			// append alignLen+1 spaces to align with "{{longestLabel}}:" before adding tab
-			outBuf.WriteString("\n\t" + strings.Repeat(" ", longestLabelLen+1) + "\t")
-		}
-		outBuf.WriteString(scanner.Text())
-	}
-
-	return outBuf.String()
-}
-
-type failNower interface {
-	FailNow()
-}
-
-// FailNow fails test
-func FailNow(t TestingT, failureMessage string, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	Fail(t, failureMessage, msgAndArgs...)
-
-	// We cannot extend TestingT with FailNow() and
-	// maintain backwards compatibility, so we fallback
-	// to panicking when FailNow is not available in
-	// TestingT.
-	// See issue #263
-
-	if t, ok := t.(failNower); ok {
-		t.FailNow()
-	} else {
-		panic("test failed and t is missing `FailNow()`")
-	}
-	return false
-}
-
-// Fail reports a failure through
-func Fail(t TestingT, failureMessage string, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	content := []labeledContent{
-		{"Error Trace", strings.Join(CallerInfo(), "\n\t\t\t")},
-		{"Error", failureMessage},
-	}
-
-	// Add test name if the Go version supports it
-	if n, ok := t.(interface {
-		Name() string
-	}); ok {
-		content = append(content, labeledContent{"Test", n.Name()})
-	}
-
-	message := messageFromMsgAndArgs(msgAndArgs...)
-	if len(message) > 0 {
-		content = append(content, labeledContent{"Messages", message})
-	}
-
-	t.Errorf("\n%s", ""+labeledOutput(content...))
-
-	return false
-}
-
-type labeledContent struct {
-	label   string
-	content string
-}
-
-// labeledOutput returns a string consisting of the provided labeledContent. Each labeled output is appended in the following manner:
-//
-//   \t{{label}}:{{align_spaces}}\t{{content}}\n
-//
-// The initial carriage return is required to undo/erase any padding added by testing.T.Errorf. The "\t{{label}}:" is for the label.
-// If a label is shorter than the longest label provided, padding spaces are added to make all the labels match in length. Once this
-// alignment is achieved, "\t{{content}}\n" is added for the output.
-//
-// If the content of the labeledOutput contains line breaks, the subsequent lines are aligned so that they start at the same location as the first line.
-func labeledOutput(content ...labeledContent) string {
-	longestLabel := 0
-	for _, v := range content {
-		if len(v.label) > longestLabel {
-			longestLabel = len(v.label)
-		}
-	}
-	var output string
-	for _, v := range content {
-		output += "\t" + v.label + ":" + strings.Repeat(" ", longestLabel-len(v.label)) + "\t" + indentMessageLines(v.content, longestLabel) + "\n"
-	}
-	return output
-}
-
-// Implements asserts that an object is implemented by the specified interface.
-//
-//    assert.Implements(t, (*MyInterface)(nil), new(MyObject))
-func Implements(t TestingT, interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	interfaceType := reflect.TypeOf(interfaceObject).Elem()
-
-	if object == nil {
-		return Fail(t, fmt.Sprintf("Cannot check if nil implements %v", interfaceType), msgAndArgs...)
-	}
-	if !reflect.TypeOf(object).Implements(interfaceType) {
-		return Fail(t, fmt.Sprintf("%T must implement %v", object, interfaceType), msgAndArgs...)
-	}
-
-	return true
-}
-
-// IsType asserts that the specified objects are of the same type.
-func IsType(t TestingT, expectedType interface{}, object interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	if !ObjectsAreEqual(reflect.TypeOf(object), reflect.TypeOf(expectedType)) {
-		return Fail(t, fmt.Sprintf("Object expected to be of type %v, but was %v", reflect.TypeOf(expectedType), reflect.TypeOf(object)), msgAndArgs...)
-	}
-
-	return true
-}
-
-// Equal asserts that two objects are equal.
-//
-//    assert.Equal(t, 123, 123)
-//
-// Pointer variable equality is determined based on the equality of the
-// referenced values (as opposed to the memory addresses). Function equality
-// cannot be determined and will always fail.
-func Equal(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if err := validateEqualArgs(expected, actual); err != nil {
-		return Fail(t, fmt.Sprintf("Invalid operation: %#v == %#v (%s)",
-			expected, actual, err), msgAndArgs...)
-	}
-
-	if !ObjectsAreEqual(expected, actual) {
-		diff := diff(expected, actual)
-		expected, actual = formatUnequalValues(expected, actual)
-		return Fail(t, fmt.Sprintf("Not equal: \n"+
-			"expected: %s\n"+
-			"actual  : %s%s", expected, actual, diff), msgAndArgs...)
-	}
-
-	return true
-
-}
-
-// formatUnequalValues takes two values of arbitrary types and returns string
-// representations appropriate to be presented to the user.
-//
-// If the values are not of like type, the returned strings will be prefixed
-// with the type name, and the value will be enclosed in parenthesis similar
-// 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("%#v", expected),
-		fmt.Sprintf("%#v", actual)
-}
-
-// EqualValues asserts that two objects are equal or convertable to the same types
-// and equal.
-//
-//    assert.EqualValues(t, uint32(123), int32(123))
-func EqualValues(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	if !ObjectsAreEqualValues(expected, actual) {
-		diff := diff(expected, actual)
-		expected, actual = formatUnequalValues(expected, actual)
-		return Fail(t, fmt.Sprintf("Not equal: \n"+
-			"expected: %s\n"+
-			"actual  : %s%s", expected, actual, diff), msgAndArgs...)
-	}
-
-	return true
-
-}
-
-// Exactly asserts that two objects are equal in value and type.
-//
-//    assert.Exactly(t, int32(123), int64(123))
-func Exactly(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	aType := reflect.TypeOf(expected)
-	bType := reflect.TypeOf(actual)
-
-	if aType != bType {
-		return Fail(t, fmt.Sprintf("Types expected to match exactly\n\t%v != %v", aType, bType), msgAndArgs...)
-	}
-
-	return Equal(t, expected, actual, msgAndArgs...)
-
-}
-
-// NotNil asserts that the specified object is not nil.
-//
-//    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
-	}
-	return Fail(t, "Expected value not to be nil.", msgAndArgs...)
-}
-
-// isNil checks if a specified object is nil or not, without Failing.
-func isNil(object interface{}) bool {
-	if object == nil {
-		return true
-	}
-
-	value := reflect.ValueOf(object)
-	kind := value.Kind()
-	if kind >= reflect.Chan && kind <= reflect.Slice && value.IsNil() {
-		return true
-	}
-
-	return false
-}
-
-// Nil asserts that the specified object is nil.
-//
-//    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
-	}
-	return Fail(t, fmt.Sprintf("Expected nil, but got: %#v", object), msgAndArgs...)
-}
-
-// isEmpty gets whether the specified object is considered empty or not.
-func isEmpty(object interface{}) bool {
-
-	// get nil case out of the way
-	if object == nil {
-		return true
-	}
-
-	objValue := reflect.ValueOf(object)
-
-	switch objValue.Kind() {
-	// collection types are empty when they have no element
-	case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice:
-		return objValue.Len() == 0
-	// pointers are empty if nil or if the value they point to is empty
-	case reflect.Ptr:
-		if objValue.IsNil() {
-			return true
-		}
-		deref := objValue.Elem().Interface()
-		return isEmpty(deref)
-	// for all other types, compare against the zero value
-	default:
-		zero := reflect.Zero(objValue.Type())
-		return reflect.DeepEqual(object, zero.Interface())
-	}
-}
-
-// Empty asserts that the specified object is empty.  I.e. nil, "", false, 0 or either
-// a slice or a channel with len == 0.
-//
-//  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 {
-		Fail(t, fmt.Sprintf("Should be empty, but was %v", object), msgAndArgs...)
-	}
-
-	return pass
-
-}
-
-// NotEmpty asserts that the specified object is NOT empty.  I.e. not nil, "", false, 0 or either
-// a slice or a channel with len == 0.
-//
-//  if assert.NotEmpty(t, obj) {
-//    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 {
-		Fail(t, fmt.Sprintf("Should NOT be empty, but was %v", object), msgAndArgs...)
-	}
-
-	return pass
-
-}
-
-// getLen try to get length of object.
-// return (false, 0) if impossible.
-func getLen(x interface{}) (ok bool, length int) {
-	v := reflect.ValueOf(x)
-	defer func() {
-		if e := recover(); e != nil {
-			ok = false
-		}
-	}()
-	return true, v.Len()
-}
-
-// Len asserts that the specified object has specific length.
-// Len also fails if the object has a type that len() not accept.
-//
-//    assert.Len(t, mySlice, 3)
-func Len(t TestingT, object interface{}, length int, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	ok, l := getLen(object)
-	if !ok {
-		return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", object), msgAndArgs...)
-	}
-
-	if l != length {
-		return Fail(t, fmt.Sprintf("\"%s\" should have %d item(s), but has %d", object, length, l), msgAndArgs...)
-	}
-	return true
-}
-
-// True asserts that the specified value is true.
-//
-//    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 {
-		return Fail(t, "Should be true", msgAndArgs...)
-	}
-
-	return true
-
-}
-
-// False asserts that the specified value is false.
-//
-//    assert.False(t, myBool)
-func False(t TestingT, value bool, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	if value != false {
-		return Fail(t, "Should be false", msgAndArgs...)
-	}
-
-	return true
-
-}
-
-// NotEqual asserts that the specified values are NOT equal.
-//
-//    assert.NotEqual(t, obj1, obj2)
-//
-// Pointer variable equality is determined based on the equality of the
-// referenced values (as opposed to the memory addresses).
-func NotEqual(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if err := validateEqualArgs(expected, actual); err != nil {
-		return Fail(t, fmt.Sprintf("Invalid operation: %#v != %#v (%s)",
-			expected, actual, err), msgAndArgs...)
-	}
-
-	if ObjectsAreEqual(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.
-// return (true, true) if element was found.
-func includeElement(list interface{}, element interface{}) (ok, found bool) {
-
-	listValue := reflect.ValueOf(list)
-	elementValue := reflect.ValueOf(element)
-	defer func() {
-		if e := recover(); e != nil {
-			ok = false
-			found = false
-		}
-	}()
-
-	if reflect.TypeOf(list).Kind() == reflect.String {
-		return true, strings.Contains(listValue.String(), elementValue.String())
-	}
-
-	if reflect.TypeOf(list).Kind() == reflect.Map {
-		mapKeys := listValue.MapKeys()
-		for i := 0; i < len(mapKeys); i++ {
-			if ObjectsAreEqual(mapKeys[i].Interface(), element) {
-				return true, true
-			}
-		}
-		return true, false
-	}
-
-	for i := 0; i < listValue.Len(); i++ {
-		if ObjectsAreEqual(listValue.Index(i).Interface(), element) {
-			return true, true
-		}
-	}
-	return true, false
-
-}
-
-// Contains asserts that the specified string, list(array, slice...) or map contains the
-// specified substring or element.
-//
-//    assert.Contains(t, "Hello World", "World")
-//    assert.Contains(t, ["Hello", "World"], "World")
-//    assert.Contains(t, {"Hello": "World"}, "Hello")
-func Contains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	ok, found := includeElement(s, contains)
-	if !ok {
-		return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", s), msgAndArgs...)
-	}
-	if !found {
-		return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", s, contains), msgAndArgs...)
-	}
-
-	return true
-
-}
-
-// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the
-// specified substring or element.
-//
-//    assert.NotContains(t, "Hello World", "Earth")
-//    assert.NotContains(t, ["Hello", "World"], "Earth")
-//    assert.NotContains(t, {"Hello": "World"}, "Earth")
-func NotContains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	ok, found := includeElement(s, contains)
-	if !ok {
-		return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", s), msgAndArgs...)
-	}
-	if found {
-		return Fail(t, fmt.Sprintf("\"%s\" should not contain \"%s\"", s, contains), msgAndArgs...)
-	}
-
-	return true
-
-}
-
-// Subset asserts that the specified list(array, slice...) contains all
-// elements given in the specified subset(array, slice...).
-//
-//    assert.Subset(t, [1, 2, 3], [1, 2], "But [1, 2, 3] does contain [1, 2]")
-func Subset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok bool) {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if subset == nil {
-		return true // we consider nil to be equal to the nil set
-	}
-
-	subsetValue := reflect.ValueOf(subset)
-	defer func() {
-		if e := recover(); e != nil {
-			ok = false
-		}
-	}()
-
-	listKind := reflect.TypeOf(list).Kind()
-	subsetKind := reflect.TypeOf(subset).Kind()
-
-	if listKind != reflect.Array && listKind != reflect.Slice {
-		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", list, listKind), msgAndArgs...)
-	}
-
-	if subsetKind != reflect.Array && subsetKind != reflect.Slice {
-		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...)
-	}
-
-	for i := 0; i < subsetValue.Len(); i++ {
-		element := subsetValue.Index(i).Interface()
-		ok, found := includeElement(list, element)
-		if !ok {
-			return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", list), msgAndArgs...)
-		}
-		if !found {
-			return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", list, element), msgAndArgs...)
-		}
-	}
-
-	return true
-}
-
-// NotSubset asserts that the specified list(array, slice...) contains not all
-// elements given in the specified subset(array, slice...).
-//
-//    assert.NotSubset(t, [1, 3, 4], [1, 2], "But [1, 3, 4] does not contain [1, 2]")
-func NotSubset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok bool) {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if subset == nil {
-		return Fail(t, fmt.Sprintf("nil is the empty set which is a subset of every set"), msgAndArgs...)
-	}
-
-	subsetValue := reflect.ValueOf(subset)
-	defer func() {
-		if e := recover(); e != nil {
-			ok = false
-		}
-	}()
-
-	listKind := reflect.TypeOf(list).Kind()
-	subsetKind := reflect.TypeOf(subset).Kind()
-
-	if listKind != reflect.Array && listKind != reflect.Slice {
-		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", list, listKind), msgAndArgs...)
-	}
-
-	if subsetKind != reflect.Array && subsetKind != reflect.Slice {
-		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...)
-	}
-
-	for i := 0; i < subsetValue.Len(); i++ {
-		element := subsetValue.Index(i).Interface()
-		ok, found := includeElement(list, element)
-		if !ok {
-			return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", list), msgAndArgs...)
-		}
-		if !found {
-			return true
-		}
-	}
-
-	return Fail(t, fmt.Sprintf("%q is a subset of %q", subset, list), msgAndArgs...)
-}
-
-// ElementsMatch asserts that the specified listA(array, slice...) is equal to specified
-// listB(array, slice...) ignoring the order of the elements. If there are duplicate elements,
-// the number of appearances of each of them in both lists should match.
-//
-// assert.ElementsMatch(t, [1, 3, 2, 3], [1, 3, 3, 2])
-func ElementsMatch(t TestingT, listA, listB interface{}, msgAndArgs ...interface{}) (ok bool) {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if isEmpty(listA) && isEmpty(listB) {
-		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 bKind != reflect.Array && bKind != reflect.Slice {
-		return Fail(t, fmt.Sprintf("%q has an unsupported type %s", listB, bKind), msgAndArgs...)
-	}
-
-	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++ {
-		element := aValue.Index(i).Interface()
-		found := false
-		for j := 0; j < bLen; j++ {
-			if visited[j] {
-				continue
-			}
-			if ObjectsAreEqual(bValue.Index(j).Interface(), element) {
-				visited[j] = true
-				found = true
-				break
-			}
-		}
-		if !found {
-			return Fail(t, fmt.Sprintf("element %s appears more times in %s than in %s", element, aValue, bValue), msgAndArgs...)
-		}
-	}
-
-	return true
-}
-
-// Condition uses a Comparison to assert a complex condition.
-func Condition(t TestingT, comp Comparison, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	result := comp()
-	if !result {
-		Fail(t, "Condition failed!", msgAndArgs...)
-	}
-	return result
-}
-
-// PanicTestFunc defines a func that should be passed to the assert.Panics and assert.NotPanics
-// methods, and represents a simple func that takes no arguments, and returns nothing.
-type PanicTestFunc func()
-
-// didPanic returns true if the function passed to it panics. Otherwise, it returns false.
-func didPanic(f PanicTestFunc) (bool, interface{}) {
-
-	didPanic := false
-	var message interface{}
-	func() {
-
-		defer func() {
-			if message = recover(); message != nil {
-				didPanic = true
-			}
-		}()
-
-		// call the target function
-		f()
-
-	}()
-
-	return didPanic, message
-
-}
-
-// Panics asserts that the code inside the specified PanicTestFunc panics.
-//
-//   assert.Panics(t, func(){ GoCrazy() })
-func Panics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	if funcDidPanic, panicValue := didPanic(f); !funcDidPanic {
-		return Fail(t, fmt.Sprintf("func %#v should panic\n\tPanic value:\t%#v", f, panicValue), msgAndArgs...)
-	}
-
-	return true
-}
-
-// PanicsWithValue asserts that the code inside the specified PanicTestFunc panics, and that
-// the recovered panic value equals the expected panic value.
-//
-//   assert.PanicsWithValue(t, "crazy error", func(){ GoCrazy() })
-func PanicsWithValue(t TestingT, expected interface{}, f PanicTestFunc, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	funcDidPanic, panicValue := 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 true
-}
-
-// NotPanics asserts that the code inside the specified PanicTestFunc does NOT panic.
-//
-//   assert.NotPanics(t, func(){ RemainCalm() })
-func NotPanics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		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...)
-	}
-
-	return true
-}
-
-// WithinDuration asserts that the two times are within duration delta of each other.
-//
-//   assert.WithinDuration(t, time.Now(), time.Now(), 10*time.Second)
-func WithinDuration(t TestingT, expected, actual time.Time, delta time.Duration, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	dt := expected.Sub(actual)
-	if dt < -delta || dt > delta {
-		return Fail(t, fmt.Sprintf("Max difference between %v and %v allowed is %v, but difference was %v", expected, actual, delta, dt), msgAndArgs...)
-	}
-
-	return true
-}
-
-func toFloat(x interface{}) (float64, bool) {
-	var xf float64
-	xok := true
-
-	switch xn := x.(type) {
-	case uint8:
-		xf = float64(xn)
-	case uint16:
-		xf = float64(xn)
-	case uint32:
-		xf = float64(xn)
-	case uint64:
-		xf = float64(xn)
-	case int:
-		xf = float64(xn)
-	case int8:
-		xf = float64(xn)
-	case int16:
-		xf = float64(xn)
-	case int32:
-		xf = float64(xn)
-	case int64:
-		xf = float64(xn)
-	case float32:
-		xf = float64(xn)
-	case float64:
-		xf = float64(xn)
-	case time.Duration:
-		xf = float64(xn)
-	default:
-		xok = false
-	}
-
-	return xf, xok
-}
-
-// InDelta asserts that the two numerals are within delta of each other.
-//
-// 	 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()
-	}
-
-	af, aok := toFloat(expected)
-	bf, bok := toFloat(actual)
-
-	if !aok || !bok {
-		return Fail(t, fmt.Sprintf("Parameters must be numerical"), msgAndArgs...)
-	}
-
-	if math.IsNaN(af) {
-		return Fail(t, fmt.Sprintf("Expected must not be NaN"), msgAndArgs...)
-	}
-
-	if math.IsNaN(bf) {
-		return Fail(t, fmt.Sprintf("Expected %v with delta %v, but was NaN", expected, delta), msgAndArgs...)
-	}
-
-	dt := af - bf
-	if dt < -delta || dt > delta {
-		return Fail(t, fmt.Sprintf("Max difference between %v and %v allowed is %v, but difference was %v", expected, actual, delta, dt), msgAndArgs...)
-	}
-
-	return true
-}
-
-// InDeltaSlice is the same as InDelta, except it compares two slices.
-func InDeltaSlice(t TestingT, expected, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if expected == nil || actual == nil ||
-		reflect.TypeOf(actual).Kind() != reflect.Slice ||
-		reflect.TypeOf(expected).Kind() != reflect.Slice {
-		return Fail(t, fmt.Sprintf("Parameters must be slice"), msgAndArgs...)
-	}
-
-	actualSlice := reflect.ValueOf(actual)
-	expectedSlice := reflect.ValueOf(expected)
-
-	for i := 0; i < actualSlice.Len(); i++ {
-		result := InDelta(t, actualSlice.Index(i).Interface(), expectedSlice.Index(i).Interface(), delta, msgAndArgs...)
-		if !result {
-			return result
-		}
-	}
-
-	return true
-}
-
-// InDeltaMapValues is the same as InDelta, but it compares all values between two maps. Both maps must have exactly the same keys.
-func InDeltaMapValues(t TestingT, expected, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if expected == nil || actual == nil ||
-		reflect.TypeOf(actual).Kind() != reflect.Map ||
-		reflect.TypeOf(expected).Kind() != reflect.Map {
-		return Fail(t, "Arguments must be maps", msgAndArgs...)
-	}
-
-	expectedMap := reflect.ValueOf(expected)
-	actualMap := reflect.ValueOf(actual)
-
-	if expectedMap.Len() != actualMap.Len() {
-		return Fail(t, "Arguments must have the same number of keys", msgAndArgs...)
-	}
-
-	for _, k := range expectedMap.MapKeys() {
-		ev := expectedMap.MapIndex(k)
-		av := actualMap.MapIndex(k)
-
-		if !ev.IsValid() {
-			return Fail(t, fmt.Sprintf("missing key %q in expected map", k), msgAndArgs...)
-		}
-
-		if !av.IsValid() {
-			return Fail(t, fmt.Sprintf("missing key %q in actual map", k), msgAndArgs...)
-		}
-
-		if !InDelta(
-			t,
-			ev.Interface(),
-			av.Interface(),
-			delta,
-			msgAndArgs...,
-		) {
-			return false
-		}
-	}
-
-	return true
-}
-
-func calcRelativeError(expected, actual interface{}) (float64, error) {
-	af, aok := toFloat(expected)
-	if !aok {
-		return 0, fmt.Errorf("expected value %q cannot be converted to float", expected)
-	}
-	if af == 0 {
-		return 0, fmt.Errorf("expected value must have a value other than zero to calculate the relative error")
-	}
-	bf, bok := toFloat(actual)
-	if !bok {
-		return 0, fmt.Errorf("actual value %q cannot be converted to float", actual)
-	}
-
-	return math.Abs(af-bf) / math.Abs(af), nil
-}
-
-// InEpsilon asserts that expected and actual have a relative error less than epsilon
-func InEpsilon(t TestingT, expected, actual interface{}, epsilon float64, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	actualEpsilon, err := calcRelativeError(expected, actual)
-	if err != nil {
-		return Fail(t, err.Error(), msgAndArgs...)
-	}
-	if actualEpsilon > epsilon {
-		return Fail(t, fmt.Sprintf("Relative error is too high: %#v (expected)\n"+
-			"        < %#v (actual)", epsilon, actualEpsilon), msgAndArgs...)
-	}
-
-	return true
-}
-
-// InEpsilonSlice is the same as InEpsilon, except it compares each value from two slices.
-func InEpsilonSlice(t TestingT, expected, actual interface{}, epsilon float64, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if expected == nil || actual == nil ||
-		reflect.TypeOf(actual).Kind() != reflect.Slice ||
-		reflect.TypeOf(expected).Kind() != reflect.Slice {
-		return Fail(t, fmt.Sprintf("Parameters must be slice"), msgAndArgs...)
-	}
-
-	actualSlice := reflect.ValueOf(actual)
-	expectedSlice := reflect.ValueOf(expected)
-
-	for i := 0; i < actualSlice.Len(); i++ {
-		result := InEpsilon(t, actualSlice.Index(i).Interface(), expectedSlice.Index(i).Interface(), epsilon)
-		if !result {
-			return result
-		}
-	}
-
-	return true
-}
-
-/*
-	Errors
-*/
-
-// NoError asserts that a function returned no error (i.e. `nil`).
-//
-//   actualObj, err := SomeFunction()
-//   if assert.NoError(t, err) {
-//	   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 {
-		return Fail(t, fmt.Sprintf("Received unexpected error:\n%+v", err), msgAndArgs...)
-	}
-
-	return true
-}
-
-// Error asserts that a function returned an error (i.e. not `nil`).
-//
-//   actualObj, err := SomeFunction()
-//   if assert.Error(t, err) {
-//	   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 {
-		return Fail(t, "An error is expected but got nil.", msgAndArgs...)
-	}
-
-	return true
-}
-
-// EqualError asserts that a function returned an error (i.e. not `nil`)
-// and that it is equal to the provided error.
-//
-//   actualObj, err := SomeFunction()
-//   assert.EqualError(t, err,  expectedErrorString)
-func EqualError(t TestingT, theError error, errString string, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if !Error(t, theError, msgAndArgs...) {
-		return false
-	}
-	expected := errString
-	actual := theError.Error()
-	// don't need to use deep equals here, we know they are both strings
-	if expected != actual {
-		return Fail(t, fmt.Sprintf("Error message not equal:\n"+
-			"expected: %q\n"+
-			"actual  : %q", expected, actual), msgAndArgs...)
-	}
-	return true
-}
-
-// matchRegexp return true if a specified regexp matches a string.
-func matchRegexp(rx interface{}, str interface{}) bool {
-
-	var r *regexp.Regexp
-	if rr, ok := rx.(*regexp.Regexp); ok {
-		r = rr
-	} else {
-		r = regexp.MustCompile(fmt.Sprint(rx))
-	}
-
-	return (r.FindStringIndex(fmt.Sprint(str)) != nil)
-
-}
-
-// Regexp asserts that a specified regexp matches a string.
-//
-//  assert.Regexp(t, regexp.MustCompile("start"), "it's starting")
-//  assert.Regexp(t, "start...$", "it's not starting")
-func Regexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-
-	match := matchRegexp(rx, str)
-
-	if !match {
-		Fail(t, fmt.Sprintf("Expect \"%v\" to match \"%v\"", str, rx), msgAndArgs...)
-	}
-
-	return match
-}
-
-// NotRegexp asserts that a specified regexp does not match a string.
-//
-//  assert.NotRegexp(t, regexp.MustCompile("starts"), "it's starting")
-//  assert.NotRegexp(t, "^start", "it's not starting")
-func NotRegexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	match := matchRegexp(rx, str)
-
-	if match {
-		Fail(t, fmt.Sprintf("Expect \"%v\" to NOT match \"%v\"", str, rx), msgAndArgs...)
-	}
-
-	return !match
-
-}
-
-// Zero asserts that i is the zero value for its type.
-func Zero(t TestingT, i interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if i != nil && !reflect.DeepEqual(i, reflect.Zero(reflect.TypeOf(i)).Interface()) {
-		return Fail(t, fmt.Sprintf("Should be zero, but was %v", i), msgAndArgs...)
-	}
-	return true
-}
-
-// NotZero asserts that i is not the zero value for its type.
-func NotZero(t TestingT, i interface{}, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	if i == nil || reflect.DeepEqual(i, reflect.Zero(reflect.TypeOf(i)).Interface()) {
-		return Fail(t, fmt.Sprintf("Should not be zero, but was %v", i), msgAndArgs...)
-	}
-	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.
-func FileExists(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 Fail(t, fmt.Sprintf("unable to find file %q", path), msgAndArgs...)
-		}
-		return Fail(t, fmt.Sprintf("error when running os.Lstat(%q): %s", path, err), msgAndArgs...)
-	}
-	if info.IsDir() {
-		return Fail(t, fmt.Sprintf("%q is a directory", path), msgAndArgs...)
-	}
-	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.
-func DirExists(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 Fail(t, fmt.Sprintf("unable to find file %q", path), msgAndArgs...)
-		}
-		return Fail(t, fmt.Sprintf("error when running os.Lstat(%q): %s", path, err), msgAndArgs...)
-	}
-	if !info.IsDir() {
-		return Fail(t, fmt.Sprintf("%q is a file", path), msgAndArgs...)
-	}
-	return true
-}
-
-// JSONEq asserts that two JSON strings are equivalent.
-//
-//  assert.JSONEq(t, `{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)
-func JSONEq(t TestingT, expected string, actual string, msgAndArgs ...interface{}) bool {
-	if h, ok := t.(tHelper); ok {
-		h.Helper()
-	}
-	var expectedJSONAsInterface, actualJSONAsInterface interface{}
-
-	if err := json.Unmarshal([]byte(expected), &expectedJSONAsInterface); err != nil {
-		return Fail(t, fmt.Sprintf("Expected value ('%s') is not valid json.\nJSON parsing error: '%s'", expected, err.Error()), msgAndArgs...)
-	}
-
-	if err := json.Unmarshal([]byte(actual), &actualJSONAsInterface); err != nil {
-		return Fail(t, fmt.Sprintf("Input ('%s') needs to be valid json.\nJSON parsing error: '%s'", actual, err.Error()), msgAndArgs...)
-	}
-
-	return Equal(t, expectedJSONAsInterface, actualJSONAsInterface, msgAndArgs...)
-}
-
-func typeAndKind(v interface{}) (reflect.Type, reflect.Kind) {
-	t := reflect.TypeOf(v)
-	k := t.Kind()
-
-	if k == reflect.Ptr {
-		t = t.Elem()
-		k = t.Kind()
-	}
-	return t, k
-}
-
-// diff returns a diff of both values as long as both are of the same type and
-// are a struct, map, slice or array. Otherwise it returns an empty string.
-func diff(expected interface{}, actual interface{}) string {
-	if expected == nil || actual == nil {
-		return ""
-	}
-
-	et, ek := typeAndKind(expected)
-	at, _ := typeAndKind(actual)
-
-	if et != at {
-		return ""
-	}
-
-	if ek != reflect.Struct && ek != reflect.Map && ek != reflect.Slice && ek != reflect.Array && ek != reflect.String {
-		return ""
-	}
-
-	var e, a string
-	if ek != reflect.String {
-		e = spewConfig.Sdump(expected)
-		a = spewConfig.Sdump(actual)
-	} else {
-		e = expected.(string)
-		a = actual.(string)
-	}
-
-	diff, _ := difflib.GetUnifiedDiffString(difflib.UnifiedDiff{
-		A:        difflib.SplitLines(e),
-		B:        difflib.SplitLines(a),
-		FromFile: "Expected",
-		FromDate: "",
-		ToFile:   "Actual",
-		ToDate:   "",
-		Context:  1,
-	})
-
-	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
-	}
-	return reflect.TypeOf(arg).Kind() == reflect.Func
-}
-
-var spewConfig = spew.ConfigState{
-	Indent:                  " ",
-	DisablePointerAddresses: true,
-	DisableCapacities:       true,
-	SortKeys:                true,
-}
-
-type tHelper interface {
-	Helper()
-}