Files
multus-cni/vendor/github.com/onsi/gomega/internal/assertion/assertion.go
Tomofumi Hayashi ac21a96804 Revert vendor directory to support old golang (GOPATH mode)
gomodule is still in progress to migrate for now, hence multus
team decide to keep vendor directory to support build without
gomodule.
2019-06-24 16:50:30 +09:00

99 lines
3.1 KiB
Go

package assertion
import (
"fmt"
"reflect"
"github.com/onsi/gomega/types"
)
type Assertion struct {
actualInput interface{}
fail types.GomegaFailHandler
offset int
extra []interface{}
}
func New(actualInput interface{}, fail types.GomegaFailHandler, offset int, extra ...interface{}) *Assertion {
return &Assertion{
actualInput: actualInput,
fail: fail,
offset: offset,
extra: extra,
}
}
func (assertion *Assertion) Should(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool {
return assertion.vetExtras(optionalDescription...) && assertion.match(matcher, true, optionalDescription...)
}
func (assertion *Assertion) ShouldNot(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool {
return assertion.vetExtras(optionalDescription...) && assertion.match(matcher, false, optionalDescription...)
}
func (assertion *Assertion) To(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool {
return assertion.vetExtras(optionalDescription...) && assertion.match(matcher, true, optionalDescription...)
}
func (assertion *Assertion) ToNot(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool {
return assertion.vetExtras(optionalDescription...) && assertion.match(matcher, false, optionalDescription...)
}
func (assertion *Assertion) NotTo(matcher types.GomegaMatcher, optionalDescription ...interface{}) bool {
return assertion.vetExtras(optionalDescription...) && assertion.match(matcher, false, optionalDescription...)
}
func (assertion *Assertion) buildDescription(optionalDescription ...interface{}) string {
switch len(optionalDescription) {
case 0:
return ""
default:
return fmt.Sprintf(optionalDescription[0].(string), optionalDescription[1:]...) + "\n"
}
}
func (assertion *Assertion) match(matcher types.GomegaMatcher, desiredMatch bool, optionalDescription ...interface{}) bool {
matches, err := matcher.Match(assertion.actualInput)
description := assertion.buildDescription(optionalDescription...)
if err != nil {
assertion.fail(description+err.Error(), 2+assertion.offset)
return false
}
if matches != desiredMatch {
var message string
if desiredMatch {
message = matcher.FailureMessage(assertion.actualInput)
} else {
message = matcher.NegatedFailureMessage(assertion.actualInput)
}
assertion.fail(description+message, 2+assertion.offset)
return false
}
return true
}
func (assertion *Assertion) vetExtras(optionalDescription ...interface{}) bool {
success, message := vetExtras(assertion.extra)
if success {
return true
}
description := assertion.buildDescription(optionalDescription...)
assertion.fail(description+message, 2+assertion.offset)
return false
}
func vetExtras(extras []interface{}) (bool, string) {
for i, extra := range extras {
if extra != nil {
zeroValue := reflect.Zero(reflect.TypeOf(extra)).Interface()
if !reflect.DeepEqual(zeroValue, extra) {
message := fmt.Sprintf("Unexpected non-nil/non-zero extra argument at index %d:\n\t<%T>: %#v", i+1, extra, extra)
return false, message
}
}
}
return true, ""
}