func (lm *logMatcher) NegatedFailureMessage(actual interface{}) (message string) {
return fmt.Sprintf(
"Expected\n\t%s\nnot to contain log sequence \n\t%s",
format.Object(lm.actual, 0),
format.Object(lm.expected, 0),
)
}
func (matcher *HaveOccurredMatcher) Match(actual interface{}) (success bool, message string, err error) {
if actual == nil {
return false, format.Message(actual, "to have occurred"), nil
} else {
if isError(actual) {
return true, fmt.Sprintf("Expected error:\n%s\n%s\n%s", format.Object(actual, 1), format.IndentString(actual.(error).Error(), 1), "not to have occurred"), nil
} else {
return false, "", fmt.Errorf("Expected an error. Got:\n%s", format.Object(actual, 1))
}
}
}
func (matcher *ReceiveMatcher) Match(actual interface{}) (success bool, message string, err error) {
if !isChan(actual) {
return false, "", fmt.Errorf("ReceiveMatcher expects a channel. Got:\n%s", format.Object(actual, 1))
}
channelType := reflect.TypeOf(actual)
channelValue := reflect.ValueOf(actual)
if channelType.ChanDir() == reflect.SendDir {
return false, "", fmt.Errorf("ReceiveMatcher matcher cannot be passed a send-only channel. Got:\n%s", format.Object(actual, 1))
}
if matcher.Arg != nil {
argType := reflect.TypeOf(matcher.Arg)
if argType.Kind() != reflect.Ptr {
return false, "", fmt.Errorf("Cannot assign a value from the channel:\n%s\nTo:\n%s\nYou need to pass a pointer!", format.Object(actual, 1), format.Object(matcher.Arg, 1))
}
assignable := channelType.Elem().AssignableTo(argType.Elem())
if !assignable {
return false, "", fmt.Errorf("Cannot assign a value from the channel:\n%s\nTo:\n%s", format.Object(actual, 1), format.Object(matcher.Arg, 1))
}
}
var closed bool
var didReceive bool
winnerIndex, value, open := reflect.Select([]reflect.SelectCase{
reflect.SelectCase{Dir: reflect.SelectRecv, Chan: channelValue},
reflect.SelectCase{Dir: reflect.SelectDefault},
})
if winnerIndex == 0 {
closed = !open
didReceive = open
} else if winnerIndex == 1 {
closed = false
didReceive = false
}
if closed {
return false, "", fmt.Errorf("ReceiveMatcher was given a closed channel:\n%s", format.Object(actual, 1))
}
if didReceive {
if matcher.Arg != nil {
outValue := reflect.ValueOf(matcher.Arg)
reflect.Indirect(outValue).Set(value)
}
return true, format.Message(actual, "not to receive anything"), nil
} else {
return false, format.Message(actual, "to receive something"), nil
}
}
func (p *panics) FailureMessage(actual interface{}) (message string) {
if p.actPanicValue == nil {
return format.Message(actual, "to panic with:", p.err)
}
return fmt.Sprintf(
"Expected\n%s\nto panic with:\n%s\nbut got:\n%s",
format.Object(actual, 1),
format.Object(p.err, 1),
format.Object(p.actPanicValue, 1),
)
}
func (matcher *HaveLenMatcher) Match(actual interface{}) (success bool, message string, err error) {
length, ok := lengthOf(actual)
if ok {
if length == matcher.Count {
return true, fmt.Sprintf("Expected\n%s\nnot to have length %d", format.Object(actual, 1), matcher.Count), nil
} else {
return false, fmt.Sprintf("Expected\n%s\nto have length %d", format.Object(actual, 1), matcher.Count), nil
}
} else {
return false, "", fmt.Errorf("HaveLen matcher expects a string/array/map/channel/slice. Got:\n%s", format.Object(actual, 1))
}
}
func (p *panicsWithSubstring) FailureMessage(actual interface{}) string {
if p.panics.actPanicValue == nil {
return format.Message(actual, "to panic contains:", p.substr)
}
return fmt.Sprintf(
"Expected\n%s\nto panic contains:\n%s\nbut got:\n%s",
format.Object(actual, 1),
format.Object(p.substr, 1),
format.Object(p.actPanicValue, 1),
)
}
func (m *OneOfMatcher) expectedValues() string {
expectedValues := make([]string, len(m.Elements), len(m.Elements))
for i, matcher := range m.Elements {
expectedValues[i] = format.Object(matcher, 1)
}
return strings.Join(expectedValues, "\nor\n")
}
func (p *panics) Match(actual interface{}) (success bool, err error) {
v := reflect.ValueOf(actual)
if v.Kind() != reflect.Func {
return false, fmt.Errorf("Panics expects a function. Got:\n%s", format.Object(actual, 1))
}
t := v.Type()
if !(t.NumIn() == 0 && t.NumOut() == 0) {
return false, fmt.Errorf("Panics expects a function with no arguments and no return value. Got:\n%s", format.Object(actual, 1))
}
defer func() {
if e := recover(); e != nil {
p.actPanicValue = e
if m, ok := p.err.(types.GomegaMatcher); ok {
success, err = m.Match(e)
} else {
success = reflect.DeepEqual(e, p.err)
}
}
}()
v.Call([]reflect.Value{})
return
}
func (matcher *PanicMatcher) Match(actual interface{}) (success bool, message string, err error) {
if actual == nil {
return false, "", fmt.Errorf("PanicMatcher expects a non-nil actual.")
}
actualType := reflect.TypeOf(actual)
if actualType.Kind() != reflect.Func {
return false, "", fmt.Errorf("PanicMatcher expects a function. Got:\n%s", format.Object(actual, 1))
}
if !(actualType.NumIn() == 0 && actualType.NumOut() == 0) {
return false, "", fmt.Errorf("PanicMatcher expects a function with no arguments and no return value. Got:\n%s", format.Object(actual, 1))
}
success = false
message = format.Message(actual, "to panic")
err = nil
defer func() {
if e := recover(); e != nil {
success = true
message = format.Message(actual, "not to panic")
err = nil
}
}()
reflect.ValueOf(actual).Call([]reflect.Value{})
return
}
func (matcher *HaveKeyWithValueMatcher) Match(actual interface{}) (success bool, err error) {
if !isMap(actual) {
return false, fmt.Errorf("HaveKeyWithValue matcher expects a map. Got:%s", format.Object(actual, 1))
}
keyMatcher, keyIsMatcher := matcher.Key.(omegaMatcher)
if !keyIsMatcher {
keyMatcher = &EqualMatcher{Expected: matcher.Key}
}
valueMatcher, valueIsMatcher := matcher.Value.(omegaMatcher)
if !valueIsMatcher {
valueMatcher = &EqualMatcher{Expected: matcher.Value}
}
keys := reflect.ValueOf(actual).MapKeys()
for i := 0; i < len(keys); i++ {
success, err := keyMatcher.Match(keys[i].Interface())
if err != nil {
return false, fmt.Errorf("HaveKeyWithValue's key matcher failed with:\n%s%s", format.Indent, err.Error())
}
if success {
actualValue := reflect.ValueOf(actual).MapIndex(keys[i])
success, err := valueMatcher.Match(actualValue.Interface())
if err != nil {
return false, fmt.Errorf("HaveKeyWithValue's value matcher failed with:\n%s%s", format.Indent, err.Error())
}
return success, nil
}
}
return false, nil
}
func (matcher HaveSameLenMatcher) NegatedFailureMessage(actual interface{}) (message string) {
itemLength, ok := lengthOf(matcher.Item)
if !ok {
return fmt.Sprintf("HaveSameLen matcher expects a string/array/map/channel/slice. Got:\n%s", format.Object(actual, 1))
}
return fmt.Sprintf("Expected\n%s\nnot to have length %d", format.Object(actual, 1), itemLength)
}
func (matcher *HaveKeyMatcher) Match(actual interface{}) (success bool, message string, err error) {
if !isMap(actual) {
return false, "", fmt.Errorf("HaveKey matcher expects a map. Got:%s", format.Object(actual, 1))
}
keyMatcher, keyIsMatcher := matcher.Key.(omegaMatcher)
matchingString := " matching"
if !keyIsMatcher {
keyMatcher = &EqualMatcher{Expected: matcher.Key}
matchingString = ""
}
keys := reflect.ValueOf(actual).MapKeys()
for i := 0; i < len(keys); i++ {
success, _, err := keyMatcher.Match(keys[i].Interface())
if err != nil {
return false, "", fmt.Errorf("HaveKey's key matcher failed with:\n%s%s", format.Indent, err.Error())
}
if success {
return true, format.Message(actual, "not to have key"+matchingString, matcher.Key), nil
}
}
return false, format.Message(actual, "to have key"+matchingString, matcher.Key), nil
}
func (matcher *MatchErrorMatcher) Match(actual interface{}) (success bool, err error) {
if isNil(actual) {
return false, fmt.Errorf("Expected an error, got nil")
}
if !isError(actual) {
return false, fmt.Errorf("Expected an error. Got:\n%s", format.Object(actual, 1))
}
actualErr := actual.(error)
if isString(matcher.Expected) {
return reflect.DeepEqual(actualErr.Error(), matcher.Expected), nil
}
if isError(matcher.Expected) {
return reflect.DeepEqual(actualErr, matcher.Expected), nil
}
var subMatcher omegaMatcher
var hasSubMatcher bool
if matcher.Expected != nil {
subMatcher, hasSubMatcher = (matcher.Expected).(omegaMatcher)
if hasSubMatcher {
return subMatcher.Match(actualErr.Error())
}
}
return false, fmt.Errorf("MatchError must be passed an error, string, or Matcher that can match on strings. Got:\n%s", format.Object(matcher.Expected, 1))
}
func (matcher *BeFalseMatcher) Match(actual interface{}) (success bool, err error) {
if !isBool(actual) {
return false, fmt.Errorf("Expected a boolean. Got:\n%s", format.Object(actual, 1))
}
return actual == false, nil
}
func (m *HaveCSSMatcher) Match(actual interface{}) (success bool, err error) {
actualSelection, ok := actual.(interface {
CSS(property string) (string, error)
})
if !ok {
return false, fmt.Errorf("HaveCSS matcher requires a *Selection. Got:\n%s", format.Object(actual, 1))
}
m.actualValue, err = actualSelection.CSS(m.ExpectedProperty)
if err != nil {
return false, err
}
expectedColor, err := colorparser.ParseCSSColor(m.ExpectedValue)
if err != nil {
return m.actualValue == m.ExpectedValue, nil
}
actualColor, err := colorparser.ParseCSSColor(m.actualValue)
if err != nil {
return false, errors.New(expectedColorMessage(m.ExpectedValue, expectedColor, m.actualValue))
}
m.isColorComparison = true
m.expectedColor = expectedColor
m.actualColor = actualColor
return reflect.DeepEqual(actualColor, expectedColor), nil
}
func (matcher *MatchErrorMatcher) Match(actual interface{}) (success bool, message string, err error) {
if isNil(actual) {
return false, "", fmt.Errorf("Expected an error, got nil")
}
if !isError(actual) {
return false, "", fmt.Errorf("Expected an error. Got:\n%s", format.Object(actual, 1))
}
actualErr := actual.(error)
if isString(matcher.Expected) {
if reflect.DeepEqual(actualErr.Error(), matcher.Expected) {
return true, format.Message(actual, "not to match error", matcher.Expected), nil
} else {
return false, format.Message(actual, "to match error", matcher.Expected), nil
}
}
if isError(matcher.Expected) {
if reflect.DeepEqual(actualErr, matcher.Expected) {
return true, format.Message(actual, "not to match error", matcher.Expected), nil
} else {
return false, format.Message(actual, "to match error", matcher.Expected), nil
}
}
return false, "", fmt.Errorf("MatchError must be passed an error or string. Got:\n%s", format.Object(matcher.Expected, 1))
}
func (matcher *BeClosedMatcher) Match(actual interface{}) (success bool, err error) {
if !isChan(actual) {
return false, fmt.Errorf("BeClosed matcher expects a channel. Got:\n%s", format.Object(actual, 1))
}
channelType := reflect.TypeOf(actual)
channelValue := reflect.ValueOf(actual)
if channelType.ChanDir() == reflect.SendDir {
return false, fmt.Errorf("BeClosed matcher cannot determine if a send-only channel is closed or open. Got:\n%s", format.Object(actual, 1))
}
winnerIndex, _, open := reflect.Select([]reflect.SelectCase{
{Dir: reflect.SelectRecv, Chan: channelValue},
{Dir: reflect.SelectDefault},
})
var closed bool
if winnerIndex == 0 {
closed = !open
} else if winnerIndex == 1 {
closed = false
}
return closed, nil
}
func (matcher *BeNumericallyMatcher) Match(actual interface{}) (success bool, message string, err error) {
if len(matcher.CompareTo) == 0 || len(matcher.CompareTo) > 2 {
return false, "", fmt.Errorf("BeNumerically requires 1 or 2 CompareTo arguments. Got:\n%s", format.Object(matcher.CompareTo, 1))
}
if !isNumber(actual) {
return false, "", fmt.Errorf("Expected a number. Got:\n%s", format.Object(actual, 1))
}
if !isNumber(matcher.CompareTo[0]) {
return false, "", fmt.Errorf("Expected a number. Got:\n%s", format.Object(matcher.CompareTo[0], 1))
}
if len(matcher.CompareTo) == 2 && !isNumber(matcher.CompareTo[1]) {
return false, "", fmt.Errorf("Expected a number. Got:\n%s", format.Object(matcher.CompareTo[0], 1))
}
switch matcher.Comparator {
case "==", "~", ">", ">=", "<", "<=":
default:
return false, "", fmt.Errorf("Unknown comparator: %s", matcher.Comparator)
}
if isFloat(actual) || isFloat(matcher.CompareTo[0]) {
var secondOperand float64 = 1e-8
if len(matcher.CompareTo) == 2 {
secondOperand = toFloat(matcher.CompareTo[1])
}
success = matcher.matchFloats(toFloat(actual), toFloat(matcher.CompareTo[0]), secondOperand)
} else if isInteger(actual) {
var secondOperand int64 = 0
if len(matcher.CompareTo) == 2 {
secondOperand = toInteger(matcher.CompareTo[1])
}
success = matcher.matchIntegers(toInteger(actual), toInteger(matcher.CompareTo[0]), secondOperand)
} else if isUnsignedInteger(actual) {
var secondOperand uint64 = 0
if len(matcher.CompareTo) == 2 {
secondOperand = toUnsignedInteger(matcher.CompareTo[1])
}
success = matcher.matchUnsignedIntegers(toUnsignedInteger(actual), toUnsignedInteger(matcher.CompareTo[0]), secondOperand)
} else {
return false, "", fmt.Errorf("Failed to compare:\n%s\n%s:\n%s", format.Object(actual, 1), matcher.Comparator, format.Object(matcher.CompareTo[0], 1))
}
if success {
return true, format.Message(actual, fmt.Sprintf("not to be %s", matcher.Comparator), matcher.CompareTo[0]), nil
} else {
return false, format.Message(actual, fmt.Sprintf("to be %s", matcher.Comparator), matcher.CompareTo[0]), nil
}
}
func (matcher *moduloIndexMatcher) Match(actual interface{}) (success bool, err error) {
actualNode, ok := actual.(storeadapter.StoreNode)
if !ok {
return false, fmt.Errorf("Expected a store node. Got:\n%s", format.Object(actual, 1))
}
matcher.expected.Index = actualNode.Index
return reflect.DeepEqual(matcher.expected, actual), nil
}
func (matcher *BeTrueMatcher) Match(actual interface{}) (success bool, message string, err error) {
if !isBool(actual) {
return false, "", fmt.Errorf("Expected a boolean. Got:\n%s", format.Object(actual, 1))
}
if actual == true {
return true, format.Message(actual, "not to be true"), nil
} else {
return false, format.Message(actual, "to be true"), nil
}
}
func (m *registryMessageMatcher) Match(a interface{}) (success bool, err error) {
actual, ok := a.(routing_table.RegistryMessage)
if !ok {
return false, fmt.Errorf("%s is not a routing_table.RegistryMessage", format.Object(actual, 1))
}
sort.Sort(sort.StringSlice(m.expected.URIs))
sort.Sort(sort.StringSlice(actual.URIs))
return reflect.DeepEqual(actual, m.expected), nil
}
func (m *messagesToEmitMatcher) Match(a interface{}) (success bool, err error) {
actual, ok := a.(routing_table.MessagesToEmit)
if !ok {
return false, fmt.Errorf("%s is not a routing_table.MessagesToEmit", format.Object(actual, 1))
}
registrationsMatch := m.matchArrs(actual.RegistrationMessages, m.expected.RegistrationMessages)
unregistrationsMatch := m.matchArrs(actual.UnregistrationMessages, m.expected.UnregistrationMessages)
return registrationsMatch && unregistrationsMatch, nil
}
func (matcher *HaveOccurredMatcher) Match(actual interface{}) (success bool, err error) {
if isNil(actual) {
return false, nil
}
if isError(actual) {
return true, nil
}
return false, fmt.Errorf("Expected an error. Got:\n%s", format.Object(actual, 1))
}
func (matcher *SucceedMatcher) Match(actual interface{}) (success bool, err error) {
if actual == nil {
return true, nil
}
if isError(actual) {
return false, nil
}
return false, fmt.Errorf("Expected an error-type. Got:\n%s", format.Object(actual, 1))
}
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 *SucceedMatcher) Match(actual interface{}) (success bool, err error) {
// is purely nil?
if actual == nil {
return true, nil
}
// must be an 'error' type
if !isError(actual) {
return false, fmt.Errorf("Expected an error-type. Got:\n%s", format.Object(actual, 1))
}
// must be nil (or a pointer to a nil)
return isNil(actual), nil
}
func (m *HaveAttributeMatcher) Match(actual interface{}) (success bool, err error) {
actualSelection, ok := actual.(interface {
Attribute(attribute string) (string, error)
})
if !ok {
return false, fmt.Errorf("HaveAttribute matcher requires a *Selection. Got:\n%s", format.Object(actual, 1))
}
m.actualValue, err = actualSelection.Attribute(m.ExpectedAttribute)
if err != nil {
return false, err
}
return m.actualValue == m.ExpectedValue, nil
}
func (m *MatchTextMatcher) Match(actual interface{}) (success bool, err error) {
actualSelection, ok := actual.(interface {
Text() (string, error)
})
if !ok {
return false, fmt.Errorf("MatchText matcher requires a *Selection. Got:\n%s", format.Object(actual, 1))
}
m.actualText, err = actualSelection.Text()
if err != nil {
return false, err
}
return regexp.MatchString(m.Regexp, m.actualText)
}
func (m *EqualElementMatcher) Match(actual interface{}) (success bool, err error) {
actualSelection, ok := actual.(interface {
EqualsElement(selection interface{}) (bool, error)
})
if !ok {
return false, fmt.Errorf("EqualElement matcher requires a *Selection. Got:\n%s", format.Object(actual, 1))
}
same, err := actualSelection.EqualsElement(m.ExpectedSelection)
if err != nil {
return false, err
}
return same, nil
}
func (s save) Match(actual interface{}) (bool, error) {
argType := reflect.TypeOf(s.p)
if argType.Kind() != reflect.Ptr {
return false, fmt.Errorf("Cannot save a value From:\n%s\nTo:\n%s\nYou need to pass a pointer!", format.Object(actual, 1), format.Object(s.p, 1))
}
actualType := reflect.TypeOf(actual)
assignable := actualType.AssignableTo(argType.Elem())
if !assignable {
return false, fmt.Errorf("Cannot assign a value from:\n%s\nTo:\n%s", format.Object(actual, 1), format.Object(s.p, 1))
}
outValue := reflect.ValueOf(s.p)
reflect.Indirect(outValue).Set(reflect.ValueOf(actual))
return true, nil
}