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moby--moby/registry/endpoint_test.go

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package registry
import (
"net/http"
"net/http/httptest"
"net/url"
"testing"
)
func TestEndpointParse(t *testing.T) {
testData := []struct {
str string
expected string
}{
{IndexServerAddress(), IndexServerAddress()},
{"http://0.0.0.0:5000/v1/", "http://0.0.0.0:5000/v1/"},
{"http://0.0.0.0:5000/v2/", "http://0.0.0.0:5000/v2/"},
{"http://0.0.0.0:5000", "http://0.0.0.0:5000/v0/"},
{"0.0.0.0:5000", "https://0.0.0.0:5000/v0/"},
}
for _, td := range testData {
e, err := newEndpoint(td.str, false, nil)
if err != nil {
t.Errorf("%q: %s", td.str, err)
}
if e == nil {
t.Logf("something's fishy, endpoint for %q is nil", td.str)
continue
}
if e.String() != td.expected {
t.Errorf("expected %q, got %q", td.expected, e.String())
}
}
}
// Ensure that a registry endpoint that responds with a 401 only is determined
// to be a v1 registry unless it includes a valid v2 API header.
func TestValidateEndpointAmbiguousAPIVersion(t *testing.T) {
requireBasicAuthHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("WWW-Authenticate", `Basic realm="localhost"`)
w.WriteHeader(http.StatusUnauthorized)
})
requireBasicAuthHandlerV2 := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// This mock server supports v2.0, v2.1, v42.0, and v100.0
w.Header().Add("Docker-Distribution-API-Version", "registry/100.0 registry/42.0")
w.Header().Add("Docker-Distribution-API-Version", "registry/2.0 registry/2.1")
requireBasicAuthHandler.ServeHTTP(w, r)
})
// Make a test server which should validate as a v1 server.
testServer := httptest.NewServer(requireBasicAuthHandler)
defer testServer.Close()
testServerURL, err := url.Parse(testServer.URL)
if err != nil {
t.Fatal(err)
}
testEndpoint := Endpoint{
URL: testServerURL,
Version: APIVersionUnknown,
client: HTTPClient(NewTransport(ConnectTimeout, false)),
}
if err = validateEndpoint(&testEndpoint); err != nil {
t.Fatal(err)
}
if testEndpoint.Version != APIVersion1 {
t.Fatalf("expected endpoint to validate to %d, got %d", APIVersion1, testEndpoint.Version)
}
// Make a test server which should validate as a v2 server.
testServer = httptest.NewServer(requireBasicAuthHandlerV2)
defer testServer.Close()
testServerURL, err = url.Parse(testServer.URL)
if err != nil {
t.Fatal(err)
}
testEndpoint.URL = testServerURL
testEndpoint.Version = APIVersionUnknown
if err = validateEndpoint(&testEndpoint); err != nil {
t.Fatal(err)
}
if testEndpoint.Version != APIVersion2 {
t.Fatalf("expected endpoint to validate to %d, got %d", APIVersion2, testEndpoint.Version)
}
}