1// untested sections: 2
 2
 3package matchers
 4
 5import (
 6	"fmt"
 7
 8	"github.com/onsi/gomega/format"
 9)
10
11type HaveOccurredMatcher struct {
12}
13
14func (matcher *HaveOccurredMatcher) Match(actual interface{}) (success bool, err error) {
15	// is purely nil?
16	if actual == nil {
17		return false, nil
18	}
19
20	// must be an 'error' type
21	if !isError(actual) {
22		return false, fmt.Errorf("Expected an error-type.  Got:\n%s", format.Object(actual, 1))
23	}
24
25	// must be non-nil (or a pointer to a non-nil)
26	return !isNil(actual), nil
27}
28
29func (matcher *HaveOccurredMatcher) FailureMessage(actual interface{}) (message string) {
30	return fmt.Sprintf("Expected an error to have occurred.  Got:\n%s", format.Object(actual, 1))
31}
32
33func (matcher *HaveOccurredMatcher) NegatedFailureMessage(actual interface{}) (message string) {
34	return fmt.Sprintf("Unexpected error:\n%s\n%s\n%s", format.Object(actual, 1), format.IndentString(actual.(error).Error(), 1), "occurred")
35}