forked from TrueCloudLab/distribution
122 lines
2.7 KiB
Go
122 lines
2.7 KiB
Go
package registry
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import (
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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"github.com/gorilla/mux"
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)
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type routeInfo struct {
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RequestURI string
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Vars map[string]string
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}
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// TestRouter registers a test handler with all the routes and ensures that
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// each route returns the expected path variables. Not method verification is
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// present. This not meant to be exhaustive but as check to ensure that the
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// expected variables are extracted.
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//
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// This may go away as the application structure comes together.
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func TestRouter(t *testing.T) {
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router := v2APIRouter()
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testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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routeInfo := routeInfo{
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RequestURI: r.RequestURI,
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Vars: mux.Vars(r),
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}
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enc := json.NewEncoder(w)
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if err := enc.Encode(routeInfo); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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})
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// Startup test server
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server := httptest.NewServer(router)
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for _, testcase := range []struct {
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routeName string
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expectedRouteInfo routeInfo
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}{
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{
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routeName: routeNameImageManifest,
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expectedRouteInfo: routeInfo{
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RequestURI: "/v2/foo/bar/image/tag",
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Vars: map[string]string{
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"name": "foo/bar",
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"tag": "tag",
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},
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},
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},
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{
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routeName: routeNameTags,
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expectedRouteInfo: routeInfo{
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RequestURI: "/v2/foo/bar/tags",
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Vars: map[string]string{
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"name": "foo/bar",
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},
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},
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},
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{
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routeName: routeNameLayer,
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expectedRouteInfo: routeInfo{
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RequestURI: "/v2/foo/bar/layer/tarsum",
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Vars: map[string]string{
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"name": "foo/bar",
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"tarsum": "tarsum",
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},
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},
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},
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{
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routeName: routeNameLayerUpload,
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expectedRouteInfo: routeInfo{
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RequestURI: "/v2/foo/bar/layer/tarsum/upload/",
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Vars: map[string]string{
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"name": "foo/bar",
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"tarsum": "tarsum",
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},
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},
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},
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{
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routeName: routeNameLayerUploadResume,
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expectedRouteInfo: routeInfo{
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RequestURI: "/v2/foo/bar/layer/tarsum/upload/uuid",
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Vars: map[string]string{
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"name": "foo/bar",
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"tarsum": "tarsum",
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"uuid": "uuid",
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},
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},
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},
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} {
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// Register the endpoint
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router.GetRoute(testcase.routeName).Handler(testHandler)
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u := server.URL + testcase.expectedRouteInfo.RequestURI
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resp, err := http.Get(u)
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if err != nil {
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t.Fatalf("error issuing get request: %v", err)
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}
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dec := json.NewDecoder(resp.Body)
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var actualRouteInfo routeInfo
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if err := dec.Decode(&actualRouteInfo); err != nil {
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t.Fatalf("error reading json response: %v", err)
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}
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if !reflect.DeepEqual(actualRouteInfo, testcase.expectedRouteInfo) {
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t.Fatalf("actual does not equal expected: %v != %v", actualRouteInfo, testcase.expectedRouteInfo)
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}
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}
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}
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