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package utils
import (
"encoding/json"
"fmt"
"net/url"
"github.com/containers/common/pkg/config"
. "github.com/onsi/gomega" //nolint:golint,stylecheck
"github.com/onsi/gomega/format"
"github.com/onsi/gomega/gexec"
"github.com/onsi/gomega/matchers"
"github.com/onsi/gomega/types"
)
// HaveActiveService verifies the given service is the active service
func HaveActiveService(name interface{}) OmegaMatcher {
return WithTransform(
func(cfg *config.Config) string {
return cfg.Engine.ActiveService
},
Equal(name))
}
type ServiceMatcher struct {
types.GomegaMatcher
Name interface{}
URI interface{}
Identity interface{}
failureMessage string
negatedFailureMessage string
}
func VerifyService(name, uri, identity interface{}) OmegaMatcher {
return &ServiceMatcher{
Name: name,
URI: uri,
Identity: identity,
}
}
func (matcher *ServiceMatcher) Match(actual interface{}) (success bool, err error) {
cfg, ok := actual.(*config.Config)
if !ok {
return false, fmt.Errorf("ServiceMatcher matcher expects a config.Config")
}
if _, err = url.Parse(matcher.URI.(string)); err != nil {
return false, err
}
success, err = HaveKey(matcher.Name).Match(cfg.Engine.ServiceDestinations)
if !success || err != nil {
matcher.failureMessage = HaveKey(matcher.Name).FailureMessage(cfg.Engine.ServiceDestinations)
matcher.negatedFailureMessage = HaveKey(matcher.Name).NegatedFailureMessage(cfg.Engine.ServiceDestinations)
return
}
sd := cfg.Engine.ServiceDestinations[matcher.Name.(string)]
success, err = Equal(matcher.URI).Match(sd.URI)
if !success || err != nil {
matcher.failureMessage = Equal(matcher.URI).FailureMessage(sd.URI)
matcher.negatedFailureMessage = Equal(matcher.URI).NegatedFailureMessage(sd.URI)
return
}
success, err = Equal(matcher.Identity).Match(sd.Identity)
if !success || err != nil {
matcher.failureMessage = Equal(matcher.Identity).FailureMessage(sd.Identity)
matcher.negatedFailureMessage = Equal(matcher.Identity).NegatedFailureMessage(sd.Identity)
return
}
return true, nil
}
func (matcher *ServiceMatcher) FailureMessage(_ interface{}) string {
return matcher.failureMessage
}
func (matcher *ServiceMatcher) NegatedFailureMessage(_ interface{}) string {
return matcher.negatedFailureMessage
}
type URLMatcher struct {
matchers.EqualMatcher
}
// VerifyURL matches when actual is a valid URL and matches expected
func VerifyURL(uri interface{}) OmegaMatcher {
return &URLMatcher{matchers.EqualMatcher{Expected: uri}}
}
func (matcher *URLMatcher) Match(actual interface{}) (bool, error) {
e, ok := matcher.Expected.(string)
if !ok {
return false, fmt.Errorf("VerifyURL requires string inputs %T is not supported", matcher.Expected)
}
eURI, err := url.Parse(e)
if err != nil {
return false, err
}
a, ok := actual.(string)
if !ok {
return false, fmt.Errorf("VerifyURL requires string inputs %T is not supported", actual)
}
aURI, err := url.Parse(a)
if err != nil {
return false, err
}
return (&matchers.EqualMatcher{Expected: eURI}).Match(aURI)
}
type ExitMatcher struct {
types.GomegaMatcher
Expected int
Actual int
}
// ExitWithError matches when assertion is > argument. Default 0
// Modeled after the gomega Exit() matcher and also operates on sessions.
func ExitWithError(optionalExitCode ...int) *ExitMatcher {
exitCode := 0
if len(optionalExitCode) > 0 {
exitCode = optionalExitCode[0]
}
return &ExitMatcher{Expected: exitCode}
}
// Match follows gexec.Matcher interface
func (matcher *ExitMatcher) Match(actual interface{}) (success bool, err error) {
exiter, ok := actual.(gexec.Exiter)
if !ok {
return false, fmt.Errorf("ExitWithError must be passed a gexec.Exiter (Missing method ExitCode() int) Got:\n#{format.Object(actual, 1)}")
}
matcher.Actual = exiter.ExitCode()
if matcher.Actual == -1 {
return false, nil
}
return matcher.Actual > matcher.Expected, nil
}
func (matcher *ExitMatcher) FailureMessage(_ interface{}) (message string) {
if matcher.Actual == -1 {
return "Expected process to exit. It did not."
}
return format.Message(matcher.Actual, "to be greater than exit code: ", matcher.Expected)
}
func (matcher *ExitMatcher) NegatedFailureMessage(_ interface{}) (message string) {
switch {
case matcher.Actual == -1:
return "you really shouldn't be able to see this!"
case matcher.Expected == -1:
return "Expected process not to exit. It did."
}
return format.Message(matcher.Actual, "is less than or equal to exit code: ", matcher.Expected)
}
func (matcher *ExitMatcher) MatchMayChangeInTheFuture(actual interface{}) bool {
session, ok := actual.(*gexec.Session)
if ok {
return session.ExitCode() == -1
}
return true
}
type ValidJSONMatcher struct {
types.GomegaMatcher
}
func BeValidJSON() *ValidJSONMatcher {
return &ValidJSONMatcher{}
}
func (matcher *ValidJSONMatcher) Match(actual interface{}) (success bool, err error) {
s, ok := actual.(string)
if !ok {
return false, fmt.Errorf("ValidJSONMatcher expects a string, not %q", actual)
}
var i interface{}
if err := json.Unmarshal([]byte(s), &i); err != nil {
return false, err
}
return true, nil
}
func (matcher *ValidJSONMatcher) FailureMessage(actual interface{}) (message string) {
return format.Message(actual, "to be valid JSON")
}
func (matcher *ValidJSONMatcher) NegatedFailureMessage(actual interface{}) (message string) {
return format.Message(actual, "to _not_ be valid JSON")
}
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