func oneOfMessage(serviceMap RawServiceMap, schema map[string]interface{}, err, nextErr gojsonschema.ResultError) string {
switch nextErr.Type() {
case "additional_property_not_allowed":
property := nextErr.Details()["property"]
return fmt.Sprintf("contains unsupported option: '%s'", property)
case "invalid_type":
if containsTypeError(nextErr) {
expectedType := addArticle(nextErr.Details()["expected"].(string))
return fmt.Sprintf("contains %s, which is an invalid type, it should be %s", getValue(serviceMap, nextErr.Context().String()), expectedType)
}
validTypes := parseValidTypesFromSchema(schema, err.Context().String())
validTypesMsg := addArticle(strings.Join(validTypes, " or "))
return fmt.Sprintf("contains an invalid type, it should be %s", validTypesMsg)
case "unique":
contextWithDuplicates := getValue(serviceMap, nextErr.Context().String())
return fmt.Sprintf("contains non unique items, please remove duplicates from %s", contextWithDuplicates)
}
return ""
}
func unsupportedConfigMessage(key string, nextErr gojsonschema.ResultError) string {
service := serviceNameFromErrorField(nextErr.Field())
message := fmt.Sprintf("Unsupported config option for %s service: '%s'", service, key)
if val, ok := dockerConfigHints[key]; ok {
message += fmt.Sprintf(" (did you mean '%s'?)", val)
}
return message
}
func invalidTypeMessage(service, key string, err gojsonschema.ResultError) string {
expectedTypesString := err.Details()["expected"].(string)
var expectedTypes []string
if strings.Contains(expectedTypesString, ",") {
expectedTypes = strings.Split(expectedTypesString[1:len(expectedTypesString)-1], ",")
} else {
expectedTypes = []string{expectedTypesString}
}
validTypesMsg := addArticle(strings.Join(expectedTypes, " or "))
return fmt.Sprintf("Service '%s' configuration key '%s' contains an invalid type, it should be %s.", service, key, validTypesMsg)
}
func getMostSpecificError(errors []gojsonschema.ResultError) gojsonschema.ResultError {
var mostSpecificError gojsonschema.ResultError
for _, err := range errors {
if mostSpecificError == nil {
mostSpecificError = err
} else if specificity(err) > specificity(mostSpecificError) {
mostSpecificError = err
} else if specificity(err) == specificity(mostSpecificError) {
// Invalid type errors win in a tie-breaker for most specific field name
if err.Type() == "invalid_type" && mostSpecificError.Type() != "invalid_type" {
mostSpecificError = err
}
}
}
return mostSpecificError
}
func getDescription(err gojsonschema.ResultError) string {
if err.Type() == "invalid_type" {
if expectedType, ok := err.Details()["expected"].(string); ok {
return fmt.Sprintf("must be a %s", humanReadableType(expectedType))
}
}
return err.Description()
}
func specificity(err gojsonschema.ResultError) int {
return len(strings.Split(err.Field(), "."))
}
func containsTypeError(resultError gojsonschema.ResultError) bool {
contextSplit := strings.Split(resultError.Context().String(), ".")
_, err := strconv.Atoi(contextSplit[len(contextSplit)-1])
return err == nil
}