forked from mystiq/dex
77 lines
2.6 KiB
Go
77 lines
2.6 KiB
Go
|
package matchers
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"github.com/onsi/gomega/format"
|
||
|
|
"gopkg.in/yaml.v2"
|
||
|
|
)
|
||
|
|
|
||
|
|
type MatchYAMLMatcher struct {
|
||
|
|
YAMLToMatch interface{}
|
||
|
|
firstFailurePath []interface{}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (matcher *MatchYAMLMatcher) Match(actual interface{}) (success bool, err error) {
|
||
|
|
actualString, expectedString, err := matcher.toStrings(actual)
|
||
|
|
if err != nil {
|
||
|
|
return false, err
|
||
|
|
}
|
||
|
|
|
||
|
|
var aval interface{}
|
||
|
|
var eval interface{}
|
||
|
|
|
||
|
|
if err := yaml.Unmarshal([]byte(actualString), &aval); err != nil {
|
||
|
|
return false, fmt.Errorf("Actual '%s' should be valid YAML, but it is not.\nUnderlying error:%s", actualString, err)
|
||
|
|
}
|
||
|
|
if err := yaml.Unmarshal([]byte(expectedString), &eval); err != nil {
|
||
|
|
return false, fmt.Errorf("Expected '%s' should be valid YAML, but it is not.\nUnderlying error:%s", expectedString, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
var equal bool
|
||
|
|
equal, matcher.firstFailurePath = deepEqual(aval, eval)
|
||
|
|
return equal, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (matcher *MatchYAMLMatcher) FailureMessage(actual interface{}) (message string) {
|
||
|
|
actualString, expectedString, _ := matcher.toNormalisedStrings(actual)
|
||
|
|
return formattedMessage(format.Message(actualString, "to match YAML of", expectedString), matcher.firstFailurePath)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (matcher *MatchYAMLMatcher) NegatedFailureMessage(actual interface{}) (message string) {
|
||
|
|
actualString, expectedString, _ := matcher.toNormalisedStrings(actual)
|
||
|
|
return formattedMessage(format.Message(actualString, "not to match YAML of", expectedString), matcher.firstFailurePath)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (matcher *MatchYAMLMatcher) toNormalisedStrings(actual interface{}) (actualFormatted, expectedFormatted string, err error) {
|
||
|
|
actualString, expectedString, err := matcher.toStrings(actual)
|
||
|
|
return normalise(actualString), normalise(expectedString), err
|
||
|
|
}
|
||
|
|
|
||
|
|
func normalise(input string) string {
|
||
|
|
var val interface{}
|
||
|
|
err := yaml.Unmarshal([]byte(input), &val)
|
||
|
|
if err != nil {
|
||
|
|
panic(err) // unreachable since Match already calls Unmarshal
|
||
|
|
}
|
||
|
|
output, err := yaml.Marshal(val)
|
||
|
|
if err != nil {
|
||
|
|
panic(err) // untested section, unreachable since we Unmarshal above
|
||
|
|
}
|
||
|
|
return strings.TrimSpace(string(output))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (matcher *MatchYAMLMatcher) toStrings(actual interface{}) (actualFormatted, expectedFormatted string, err error) {
|
||
|
|
actualString, ok := toString(actual)
|
||
|
|
if !ok {
|
||
|
|
return "", "", fmt.Errorf("MatchYAMLMatcher matcher requires a string, stringer, or []byte. Got actual:\n%s", format.Object(actual, 1))
|
||
|
|
}
|
||
|
|
expectedString, ok := toString(matcher.YAMLToMatch)
|
||
|
|
if !ok {
|
||
|
|
return "", "", fmt.Errorf("MatchYAMLMatcher matcher requires a string, stringer, or []byte. Got expected:\n%s", format.Object(matcher.YAMLToMatch, 1))
|
||
|
|
}
|
||
|
|
|
||
|
|
return actualString, expectedString, nil
|
||
|
|
}
|