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package matchers
import (
"fmt"
"regexp"
"github.com/onsi/gomega/format"
)
type MatchRegexpMatcher struct {
Regexp string
Args []interface{}
}
func (matcher *MatchRegexpMatcher) Match(actual interface{}) (success bool, err error) {
actualString, ok := toString(actual)
if !ok {
return false, fmt.Errorf("RegExp matcher requires a string or stringer.\nGot:%s", format.Object(actual, 1))
}
match, err := regexp.Match(matcher.regexp(), []byte(actualString))
if err != nil {
return false, fmt.Errorf("RegExp match failed to compile with error:\n\t%s", err.Error())
}
return match, nil
}
func (matcher *MatchRegexpMatcher) FailureMessage(actual interface{}) (message string) {
return format.Message(actual, "to match regular expression", matcher.regexp())
}
func (matcher *MatchRegexpMatcher) NegatedFailureMessage(actual interface{}) (message string) {
return format.Message(actual, "not to match regular expression", matcher.regexp())
}
func (matcher *MatchRegexpMatcher) regexp() string {
re := matcher.Regexp
if len(matcher.Args) > 0 {
re = fmt.Sprintf(matcher.Regexp, matcher.Args...)
}
return re
}
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