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ceph-csi/vendor/github.com/onsi/gomega/matchers/have_value.go
dependabot[bot] ab20ab728f rebase: bump github.com/onsi/gomega from 1.17.0 to 1.18.0
Bumps [github.com/onsi/gomega](https://github.com/onsi/gomega) from 1.17.0 to 1.18.0.
- [Release notes](https://github.com/onsi/gomega/releases)
- [Changelog](https://github.com/onsi/gomega/blob/master/CHANGELOG.md)
- [Commits](https://github.com/onsi/gomega/compare/v1.17.0...v1.18.0)

---
updated-dependencies:
- dependency-name: github.com/onsi/gomega
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2022-01-27 09:39:21 +00:00

55 lines
1.6 KiB
Go

package matchers
import (
"errors"
"reflect"
"github.com/onsi/gomega/format"
"github.com/onsi/gomega/types"
)
const maxIndirections = 31
type HaveValueMatcher struct {
Matcher types.GomegaMatcher // the matcher to apply to the "resolved" actual value.
resolvedActual interface{} // the ("resolved") value.
}
func (m *HaveValueMatcher) Match(actual interface{}) (bool, error) {
val := reflect.ValueOf(actual)
for allowedIndirs := maxIndirections; allowedIndirs > 0; allowedIndirs-- {
// return an error if value isn't valid. Please note that we cannot
// check for nil here, as we might not deal with a pointer or interface
// at this point.
if !val.IsValid() {
return false, errors.New(format.Message(
actual, "not to be <nil>"))
}
switch val.Kind() {
case reflect.Ptr, reflect.Interface:
// resolve pointers and interfaces to their values, then rinse and
// repeat.
if val.IsNil() {
return false, errors.New(format.Message(
actual, "not to be <nil>"))
}
val = val.Elem()
continue
default:
// forward the final value to the specified matcher.
m.resolvedActual = val.Interface()
return m.Matcher.Match(m.resolvedActual)
}
}
// too many indirections: extreme star gazing, indeed...?
return false, errors.New(format.Message(actual, "too many indirections"))
}
func (m *HaveValueMatcher) FailureMessage(_ interface{}) (message string) {
return m.Matcher.FailureMessage(m.resolvedActual)
}
func (m *HaveValueMatcher) NegatedFailureMessage(_ interface{}) (message string) {
return m.Matcher.NegatedFailureMessage(m.resolvedActual)
}