moby/testutil/registry/registry_mock.go
Sebastiaan van Stijn d79cc1b67d
testing: remove custom testingT interfaces
now that we no longer use gocheck, we should be able
to just use golang's own interface.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-09-23 13:54:51 +02:00

72 lines
1.5 KiB
Go

package registry // import "github.com/docker/docker/testutil/registry"
import (
"net/http"
"net/http/httptest"
"regexp"
"strings"
"sync"
"testing"
"github.com/docker/docker/testutil"
)
type handlerFunc func(w http.ResponseWriter, r *http.Request)
// Mock represent a registry mock
type Mock struct {
server *httptest.Server
hostport string
handlers map[string]handlerFunc
mu sync.Mutex
}
// RegisterHandler register the specified handler for the registry mock
func (tr *Mock) RegisterHandler(path string, h handlerFunc) {
tr.mu.Lock()
defer tr.mu.Unlock()
tr.handlers[path] = h
}
// NewMock creates a registry mock
func NewMock(t testing.TB) (*Mock, error) {
if ht, ok := t.(testutil.HelperT); ok {
ht.Helper()
}
testReg := &Mock{handlers: make(map[string]handlerFunc)}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
url := r.URL.String()
var matched bool
var err error
for re, function := range testReg.handlers {
matched, err = regexp.MatchString(re, url)
if err != nil {
t.Fatal("Error with handler regexp")
}
if matched {
function(w, r)
break
}
}
if !matched {
t.Fatalf("Unable to match %s with regexp", url)
}
}))
testReg.server = ts
testReg.hostport = strings.Replace(ts.URL, "http://", "", 1)
return testReg, nil
}
// URL returns the url of the registry
func (tr *Mock) URL() string {
return tr.hostport
}
// Close closes mock and releases resources
func (tr *Mock) Close() {
tr.server.Close()
}