package handlers import ( "encoding/json" "net/http" "net/http/httptest" "net/url" "testing" "github.com/docker/distribution/registry/api/v2" _ "github.com/docker/distribution/registry/auth/silly" "github.com/docker/distribution/configuration" "github.com/docker/distribution/storage" "github.com/docker/distribution/storagedriver/inmemory" "golang.org/x/net/context" ) // TestAppDispatcher builds an application with a test dispatcher and ensures // that requests are properly dispatched and the handlers are constructed. // This only tests the dispatch mechanism. The underlying dispatchers must be // tested individually. func TestAppDispatcher(t *testing.T) { driver := inmemory.New() app := &App{ Config: configuration.Configuration{}, Context: context.Background(), router: v2.Router(), driver: driver, registry: storage.NewRegistryWithDriver(driver), } server := httptest.NewServer(app) router := v2.Router() serverURL, err := url.Parse(server.URL) if err != nil { t.Fatalf("error parsing server url: %v", err) } varCheckingDispatcher := func(expectedVars map[string]string) dispatchFunc { return func(ctx *Context, r *http.Request) http.Handler { // Always checks the same name context if ctx.Repository.Name() != getName(ctx) { t.Fatalf("unexpected name: %q != %q", ctx.Repository.Name(), "foo/bar") } // Check that we have all that is expected for expectedK, expectedV := range expectedVars { if ctx.Value(expectedK) != expectedV { t.Fatalf("unexpected %s in context vars: %q != %q", expectedK, ctx.Value(expectedK), expectedV) } } // Check that we only have variables that are expected for k, v := range ctx.Value("vars").(map[string]string) { _, ok := expectedVars[k] if !ok { // name is checked on context // We have an unexpected key, fail t.Fatalf("unexpected key %q in vars with value %q", k, v) } } return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) }) } } // unflatten a list of variables, suitable for gorilla/mux, to a map[string]string unflatten := func(vars []string) map[string]string { m := make(map[string]string) for i := 0; i < len(vars)-1; i = i + 2 { m[vars[i]] = vars[i+1] } return m } for _, testcase := range []struct { endpoint string vars []string }{ { endpoint: v2.RouteNameManifest, vars: []string{ "name", "foo/bar", "tag", "sometag", }, }, { endpoint: v2.RouteNameTags, vars: []string{ "name", "foo/bar", }, }, { endpoint: v2.RouteNameBlob, vars: []string{ "name", "foo/bar", "digest", "tarsum.v1+bogus:abcdef0123456789", }, }, { endpoint: v2.RouteNameBlobUpload, vars: []string{ "name", "foo/bar", }, }, { endpoint: v2.RouteNameBlobUploadChunk, vars: []string{ "name", "foo/bar", "uuid", "theuuid", }, }, } { app.register(testcase.endpoint, varCheckingDispatcher(unflatten(testcase.vars))) route := router.GetRoute(testcase.endpoint).Host(serverURL.Host) u, err := route.URL(testcase.vars...) if err != nil { t.Fatal(err) } resp, err := http.Get(u.String()) if err != nil { t.Fatal(err) } if resp.StatusCode != http.StatusOK { t.Fatalf("unexpected status code: %v != %v", resp.StatusCode, http.StatusOK) } } } // TestNewApp covers the creation of an application via NewApp with a // configuration. func TestNewApp(t *testing.T) { ctx := context.Background() config := configuration.Configuration{ Storage: configuration.Storage{ "inmemory": nil, }, Auth: configuration.Auth{ // For now, we simply test that new auth results in a viable // application. "silly": { "realm": "realm-test", "service": "service-test", }, }, } // Mostly, with this test, given a sane configuration, we are simply // ensuring that NewApp doesn't panic. We might want to tweak this // behavior. app := NewApp(ctx, config) server := httptest.NewServer(app) builder, err := v2.NewURLBuilderFromString(server.URL) if err != nil { t.Fatalf("error creating urlbuilder: %v", err) } baseURL, err := builder.BuildBaseURL() if err != nil { t.Fatalf("error creating baseURL: %v", err) } // TODO(stevvooe): The rest of this test might belong in the API tests. // Just hit the app and make sure we get a 401 Unauthorized error. req, err := http.Get(baseURL) if err != nil { t.Fatalf("unexpected error during GET: %v", err) } defer req.Body.Close() if req.StatusCode != http.StatusUnauthorized { t.Fatalf("unexpected status code during request: %v", err) } if req.Header.Get("Content-Type") != "application/json; charset=utf-8" { t.Fatalf("unexpected content-type: %v != %v", req.Header.Get("Content-Type"), "application/json; charset=utf-8") } expectedAuthHeader := "Bearer realm=\"realm-test\",service=\"service-test\"" if req.Header.Get("Authorization") != expectedAuthHeader { t.Fatalf("unexpected authorization header: %q != %q", req.Header.Get("Authorization"), expectedAuthHeader) } var errs v2.Errors dec := json.NewDecoder(req.Body) if err := dec.Decode(&errs); err != nil { t.Fatalf("error decoding error response: %v", err) } if errs.Errors[0].Code != v2.ErrorCodeUnauthorized { t.Fatalf("unexpected error code: %v != %v", errs.Errors[0].Code, v2.ErrorCodeUnauthorized) } }