5b13e95511
This simply moves the registry app to be using the urls package and its exported route names. This supports locking down exported route definitions for use in client packages.
126 lines
2.9 KiB
Go
126 lines
2.9 KiB
Go
package registry
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import (
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"github.com/docker/docker-registry/api/urls"
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"github.com/docker/docker-registry/configuration"
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)
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// TestAppDispatcher builds an application with a test dispatcher and ensures
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// that requests are properly dispatched and the handlers are constructed.
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// This only tests the dispatch mechanism. The underlying dispatchers must be
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// tested individually.
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func TestAppDispatcher(t *testing.T) {
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app := &App{
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Config: configuration.Configuration{},
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router: urls.Router(),
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}
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server := httptest.NewServer(app)
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router := urls.Router()
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serverURL, err := url.Parse(server.URL)
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if err != nil {
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t.Fatalf("error parsing server url: %v", err)
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}
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varCheckingDispatcher := func(expectedVars map[string]string) dispatchFunc {
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return func(ctx *Context, r *http.Request) http.Handler {
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// Always checks the same name context
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if ctx.Name != ctx.vars["name"] {
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t.Fatalf("unexpected name: %q != %q", ctx.Name, "foo/bar")
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}
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// Check that we have all that is expected
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for expectedK, expectedV := range expectedVars {
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if ctx.vars[expectedK] != expectedV {
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t.Fatalf("unexpected %s in context vars: %q != %q", expectedK, ctx.vars[expectedK], expectedV)
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}
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}
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// Check that we only have variables that are expected
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for k, v := range ctx.vars {
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_, ok := expectedVars[k]
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if !ok { // name is checked on context
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// We have an unexpected key, fail
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t.Fatalf("unexpected key %q in vars with value %q", k, v)
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}
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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}
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}
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// unflatten a list of variables, suitable for gorilla/mux, to a map[string]string
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unflatten := func(vars []string) map[string]string {
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m := make(map[string]string)
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for i := 0; i < len(vars)-1; i = i + 2 {
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m[vars[i]] = vars[i+1]
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}
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return m
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}
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for _, testcase := range []struct {
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endpoint string
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vars []string
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}{
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{
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endpoint: urls.RouteNameManifest,
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vars: []string{
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"name", "foo/bar",
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"tag", "sometag",
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},
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},
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{
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endpoint: urls.RouteNameTags,
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vars: []string{
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"name", "foo/bar",
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},
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},
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{
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endpoint: urls.RouteNameBlob,
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vars: []string{
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"name", "foo/bar",
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"digest", "tarsum.v1+bogus:abcdef0123456789",
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},
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},
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{
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endpoint: urls.RouteNameBlobUpload,
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vars: []string{
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"name", "foo/bar",
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},
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},
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{
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endpoint: urls.RouteNameBlobUploadChunk,
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vars: []string{
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"name", "foo/bar",
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"uuid", "theuuid",
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},
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},
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} {
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app.register(testcase.endpoint, varCheckingDispatcher(unflatten(testcase.vars)))
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route := router.GetRoute(testcase.endpoint).Host(serverURL.Host)
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u, err := route.URL(testcase.vars...)
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if err != nil {
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t.Fatal(err)
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}
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resp, err := http.Get(u.String())
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if err != nil {
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t.Fatal(err)
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}
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if resp.StatusCode != http.StatusOK {
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t.Fatalf("unexpected status code: %v != %v", resp.StatusCode, http.StatusOK)
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}
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}
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}
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