moby--moby/integration-cli/requirement/requirement.go

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package requirement
import (
"fmt"
"reflect"
"runtime"
)
type skipT interface {
Skip(reason string)
}
// Test represent a function that can be used as a requirement validation.
type Test func() bool
// Is checks if the environment satisfies the requirements
// for the test to run or skips the tests.
func Is(s skipT, requirements ...Test) {
for _, r := range requirements {
isValid := r()
if !isValid {
requirementFunc := runtime.FuncForPC(reflect.ValueOf(r).Pointer()).Name()
s.Skip(fmt.Sprintf("unmatched requirement %s", requirementFunc))
}
}
}