//go:build sync && scrub && metrics && search && ui_base && lint
// +build sync,scrub,metrics,search,ui_base,lint

package api_test

import (
	"bytes"
	"context"
	"errors"
	"io"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gorilla/mux"
	ispec "github.com/opencontainers/image-spec/specs-go/v1"
	. "github.com/smartystreets/goconvey/convey"
	zerr "zotregistry.io/zot/errors"
	"zotregistry.io/zot/pkg/api"
	"zotregistry.io/zot/pkg/api/config"
	"zotregistry.io/zot/pkg/api/constants"
	"zotregistry.io/zot/pkg/storage"
	"zotregistry.io/zot/pkg/test"
	"zotregistry.io/zot/pkg/test/mocks"
)

var ErrUnexpectedError = errors.New("error: unexpected error")

func TestRoutes(t *testing.T) {
	Convey("Make a new controller", t, func() {
		port := test.GetFreePort()
		baseURL := test.GetBaseURL(port)
		conf := config.New()
		conf.HTTP.Port = port

		ctlr := api.NewController(conf)

		ctlr.Config.Storage.RootDirectory = t.TempDir()
		ctlr.Config.Storage.Commit = true

		err := test.CopyFiles("../../test/data", ctlr.Config.Storage.RootDirectory)
		if err != nil {
			panic(err)
		}

		go startServer(ctlr)
		defer stopServer(ctlr)
		test.WaitTillServerReady(baseURL)

		rthdlr := api.NewRouteHandler(ctlr)

		// NOTE: the url or method itself doesn't matter below since we are calling the handlers directly,
		// so path routing is bypassed

		Convey("Get manifest", func() {
			// overwrite controller storage
			ctlr.StoreController.DefaultStore = &mocks.MockedImageStore{
				GetImageManifestFn: func(repo string, reference string) ([]byte, string, string, error) {
					return []byte{}, "", "", zerr.ErrRepoBadVersion
				},
			}

			request, _ := http.NewRequestWithContext(context.TODO(), "GET", baseURL, nil)
			request = mux.SetURLVars(request, map[string]string{
				"name":      "test",
				"reference": "b8b1231908844a55c251211c7a67ae3c809fb86a081a8eeb4a715e6d7d65625c",
			})
			response := httptest.NewRecorder()

			rthdlr.GetManifest(response, request)

			resp := response.Result()

			defer resp.Body.Close()
			So(resp, ShouldNotBeNil)
			So(resp.StatusCode, ShouldEqual, http.StatusNotFound)
		})

		Convey("UpdateManifest ", func() {
			testUpdateManifest := func(urlVars map[string]string, ism *mocks.MockedImageStore) int {
				ctlr.StoreController.DefaultStore = ism
				str := []byte("test")
				request, _ := http.NewRequestWithContext(context.TODO(), "PUT", baseURL, bytes.NewBuffer(str))
				request = mux.SetURLVars(request, urlVars)
				request.Header.Add("Content-Type", ispec.MediaTypeImageManifest)
				response := httptest.NewRecorder()

				rthdlr.UpdateManifest(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}
			// repo not found
			statusCode := testUpdateManifest(
				map[string]string{
					"name":      "test",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					PutImageManifestFn: func(repo, reference, mediaType string, body []byte) (string, error) {
						return "", zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)
			// ErrManifestNotFound
			statusCode = testUpdateManifest(
				map[string]string{
					"name":      "test",
					"reference": "reference",
				},

				&mocks.MockedImageStore{
					PutImageManifestFn: func(repo, reference, mediaType string, body []byte) (string, error) {
						return "", zerr.ErrManifestNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)
			// ErrBadManifest
			statusCode = testUpdateManifest(
				map[string]string{
					"name":      "test",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					PutImageManifestFn: func(repo, reference, mediaType string, body []byte) (string, error) {
						return "", zerr.ErrBadManifest
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)
			// ErrBlobNotFound
			statusCode = testUpdateManifest(
				map[string]string{
					"name":      "test",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					PutImageManifestFn: func(repo, reference, mediaType string, body []byte) (string, error) {
						return "", zerr.ErrBlobNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// ErrRepoBadVersion
			statusCode = testUpdateManifest(
				map[string]string{
					"name":      "test",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					PutImageManifestFn: func(repo, reference, mediaType string, body []byte) (string, error) {
						return "", zerr.ErrRepoBadVersion
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("DeleteManifest", func() {
			testDeleteManifest := func(headers map[string]string, urlVars map[string]string, ism *mocks.MockedImageStore) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.Background(), "DELETE", baseURL, nil)
				request = mux.SetURLVars(request, urlVars)
				for k, v := range headers {
					request.Header.Add(k, v)
				}
				response := httptest.NewRecorder()

				rthdlr.DeleteManifest(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			// ErrRepoNotFound
			statusCode := testDeleteManifest(
				map[string]string{},
				map[string]string{
					"name":      "ErrManifestNotFound",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					DeleteImageManifestFn: func(repo, reference string) error {
						return zerr.ErrRepoNotFound
					},
				},
			)
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// ErrManifestNotFound
			statusCode = testDeleteManifest(
				map[string]string{},
				map[string]string{
					"name":      "ErrManifestNotFound",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					DeleteImageManifestFn: func(repo, reference string) error {
						return zerr.ErrManifestNotFound
					},
				},
			)
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrUnexpectedError
			statusCode = testDeleteManifest(
				map[string]string{},
				map[string]string{
					"name":      "ErrUnexpectedError",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					DeleteImageManifestFn: func(repo, reference string) error {
						return ErrUnexpectedError
					},
				},
			)
			So(statusCode, ShouldEqual, http.StatusInternalServerError)

			// ErrBadManifest
			statusCode = testDeleteManifest(
				map[string]string{},
				map[string]string{
					"name":      "ErrBadManifest",
					"reference": "reference",
				},
				&mocks.MockedImageStore{
					DeleteImageManifestFn: func(repo, reference string) error {
						return zerr.ErrBadManifest
					},
				},
			)
			So(statusCode, ShouldEqual, http.StatusBadRequest)
		})

		Convey("DeleteBlob", func() {
			testDeleteBlob := func(urlVars map[string]string, ism *mocks.MockedImageStore) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "DELETE", baseURL, nil)
				request = mux.SetURLVars(request, urlVars)
				response := httptest.NewRecorder()

				rthdlr.DeleteBlob(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			// ErrUnexpectedError
			statusCode := testDeleteBlob(
				map[string]string{
					"name":   "ErrUnexpectedError",
					"digest": "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621",
				},
				&mocks.MockedImageStore{
					DeleteBlobFn: func(repo, digest string) error {
						return ErrUnexpectedError
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)

			statusCode = testDeleteBlob(
				map[string]string{
					"name":   "ErrBadBlobDigest",
					"digest": "sha256:7b8437f04f83f084b7ed68ad8c4a4947e12fc4e1b006b38129bac89114ec3621",
				},
				&mocks.MockedImageStore{
					DeleteBlobFn: func(repo, digest string) error {
						return zerr.ErrBadBlobDigest
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// ErrBlobNotFound
			statusCode = testDeleteBlob(
				map[string]string{
					"name":   "ErrBlobNotFound",
					"digest": "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621",
				},
				&mocks.MockedImageStore{
					DeleteBlobFn: func(repo, digest string) error {
						return zerr.ErrBlobNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrRepoNotFound
			statusCode = testDeleteBlob(
				map[string]string{
					"name":   "ErrRepoNotFound",
					"digest": "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621",
				},
				&mocks.MockedImageStore{
					DeleteBlobFn: func(repo, digest string) error {
						return zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)
		})

		// Check Blob
		Convey("CheckBlob", func() {
			testCheckBlob := func(urlVars map[string]string, ism *mocks.MockedImageStore) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "HEAD", baseURL, nil)
				request = mux.SetURLVars(request, urlVars)
				response := httptest.NewRecorder()

				rthdlr.CheckBlob(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			// ErrBadBlobDigest
			statusCode := testCheckBlob(
				map[string]string{
					"name":   "ErrBadBlobDigest",
					"digest": "1234",
				},
				&mocks.MockedImageStore{
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, zerr.ErrBadBlobDigest
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// ErrRepoNotFound
			statusCode = testCheckBlob(
				map[string]string{
					"name":   "ErrRepoNotFound",
					"digest": "1234",
				},
				&mocks.MockedImageStore{
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrBlobNotFound
			statusCode = testCheckBlob(
				map[string]string{
					"name":   "ErrBlobNotFound",
					"digest": "1234",
				},
				&mocks.MockedImageStore{
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, zerr.ErrBlobNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrUnexpectedError
			statusCode = testCheckBlob(
				map[string]string{
					"name":   "ErrUnexpectedError",
					"digest": "1234",
				},
				&mocks.MockedImageStore{
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, ErrUnexpectedError
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)

			// Error Check Blob is not ok
			statusCode = testCheckBlob(
				map[string]string{
					"name":   "Check Blob Not Ok",
					"digest": "1234",
				},
				&mocks.MockedImageStore{
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return false, 0, nil
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)
		})

		Convey("GetBlob", func() {
			testGetBlob := func(urlVars map[string]string, ism *mocks.MockedImageStore) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "GET", baseURL, nil)
				request = mux.SetURLVars(request, urlVars)
				response := httptest.NewRecorder()

				rthdlr.GetBlob(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}
			// ErrRepoNotFound
			statusCode := testGetBlob(
				map[string]string{
					"name":   "ErrRepoNotFound",
					"digest": "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621",
				},
				&mocks.MockedImageStore{
					GetBlobFn: func(repo, digest, mediaType string) (io.ReadCloser, int64, error) {
						return io.NopCloser(bytes.NewBuffer([]byte(""))), 0, zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrRepoNotFound
			statusCode = testGetBlob(
				map[string]string{
					"name":   "ErrRepoNotFound",
					"digest": "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621",
				},
				&mocks.MockedImageStore{
					GetBlobFn: func(repo, digest, mediaType string) (io.ReadCloser, int64, error) {
						return io.NopCloser(bytes.NewBuffer([]byte(""))), 0, zerr.ErrBadBlobDigest
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)
		})

		Convey("CreateBlobUpload", func() {
			testCreateBlobUpload := func(
				query []struct{ k, v string },
				headers map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "POST", baseURL, nil)
				request = mux.SetURLVars(request,
					map[string]string{
						"name":  "test",
						"mount": "1234",
					})

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.CreateBlobUpload(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			// ErrRepoNotFound
			statusCode := testCreateBlobUpload(
				[]struct{ k, v string }{
					{"mount", "1234"},
				},
				map[string]string{},
				&mocks.MockedImageStore{
					NewBlobUploadFn: func(repo string) (string, error) {
						return "", zerr.ErrRepoNotFound
					},
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// a full blob upload if multiple digests are present
			statusCode = testCreateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "1234"},
					{"digest", "5234"},
				},
				map[string]string{},
				&mocks.MockedImageStore{
					NewBlobUploadFn: func(repo string) (string, error) {
						return "", zerr.ErrRepoNotFound
					},
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// a full blob upload if content type is wrong
			statusCode = testCreateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "1234"},
				},
				map[string]string{
					"Content-Type": "badContentType",
				},
				&mocks.MockedImageStore{
					NewBlobUploadFn: func(repo string) (string, error) {
						return "", zerr.ErrRepoNotFound
					},
					CheckBlobFn: func(repo, digest string) (bool, int64, error) {
						return true, 0, zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusUnsupportedMediaType)

			// digest prezent imgStore err
			statusCode = testCreateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "1234"},
				},
				map[string]string{
					"Content-Type":   constants.BinaryMediaType,
					"Content-Length": "100",
				},
				&mocks.MockedImageStore{
					FullBlobUploadFn: func(repo string, body io.Reader, digest string) (string, int64, error) {
						return "session", 0, zerr.ErrBadBlobDigest
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)

			// digest prezent bad length
			statusCode = testCreateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "1234"},
				},
				map[string]string{
					"Content-Type":   constants.BinaryMediaType,
					"Content-Length": "100",
				},
				&mocks.MockedImageStore{
					FullBlobUploadFn: func(repo string, body io.Reader, digest string) (string, int64, error) {
						return "session", 20, nil
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)

			// newBlobUpload not found
			statusCode = testCreateBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Type":   constants.BinaryMediaType,
					"Content-Length": "100",
				},
				&mocks.MockedImageStore{
					NewBlobUploadFn: func(repo string) (string, error) {
						return "", zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// newBlobUpload unexpected error
			statusCode = testCreateBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Type":   constants.BinaryMediaType,
					"Content-Length": "100",
				},
				&mocks.MockedImageStore{
					NewBlobUploadFn: func(repo string) (string, error) {
						return "", ErrUnexpectedError
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("GetBlobUpload", func() {
			testGetBlobUpload := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "GET", baseURL, nil)
				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.GetBlobUpload(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			// ErrBadUploadRange
			statusCode := testGetBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{},
				map[string]string{
					"name":       "test",
					"session_id": "1234",
				},
				&mocks.MockedImageStore{
					GetBlobUploadFn: func(repo, uuid string) (int64, error) {
						return 0, zerr.ErrBadUploadRange
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// ErrBadBlobDigest
			statusCode = testGetBlobUpload(
				[]struct{ k, v string }{
					{"mount", "1234"},
				},
				map[string]string{},
				map[string]string{
					"name":       "test",
					"session_id": "1234",
				},
				&mocks.MockedImageStore{
					GetBlobUploadFn: func(repo, uuid string) (int64, error) {
						return 0, zerr.ErrBadBlobDigest
					},
				})
			So(statusCode, ShouldEqual, http.StatusBadRequest)

			// ErrRepoNotFound
			statusCode = testGetBlobUpload(
				[]struct{ k, v string }{
					{"mount", "1234"},
				},
				map[string]string{},
				map[string]string{
					"name":       "test",
					"session_id": "1234",
				},
				&mocks.MockedImageStore{
					GetBlobUploadFn: func(repo, uuid string) (int64, error) {
						return 0, zerr.ErrRepoNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrUploadNotFound
			statusCode = testGetBlobUpload(
				[]struct{ k, v string }{
					{"mount", "1234"},
				},
				map[string]string{},
				map[string]string{
					"name":       "test",
					"session_id": "1234",
				},
				&mocks.MockedImageStore{
					GetBlobUploadFn: func(repo, uuid string) (int64, error) {
						return 0, zerr.ErrUploadNotFound
					},
				})
			So(statusCode, ShouldEqual, http.StatusNotFound)

			// ErrUploadNotFound
			statusCode = testGetBlobUpload(
				[]struct{ k, v string }{
					{"mount", "1234"},
				},
				map[string]string{},
				map[string]string{
					"name":       "test",
					"session_id": "1234",
				},
				&mocks.MockedImageStore{
					GetBlobUploadFn: func(repo, uuid string) (int64, error) {
						return 0, ErrUnexpectedError
					},
				})
			So(statusCode, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("PatchBlobUpload", func() {
			testPatchBlobUpload := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "PATCH", baseURL, nil)

				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.PatchBlobUpload(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			status := testPatchBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Length": "abc",
					"Content-Range":  "abc",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{},
			)
			So(status, ShouldEqual, http.StatusBadRequest)

			status = testPatchBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-50",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{},
			)
			So(status, ShouldEqual, http.StatusRequestedRangeNotSatisfiable)

			status = testPatchBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 100, zerr.ErrRepoNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testPatchBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 100, zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testPatchBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 100, ErrUnexpectedError
					},
				},
			)
			So(status, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("UpdateBlobUpload", func() {
			testUpdateBlobUpload := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "PATCH", baseURL, nil)

				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.UpdateBlobUpload(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			status := testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "",
					"Content-Range":  "",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{},
			)
			So(status, ShouldEqual, http.StatusBadRequest)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "badRange",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{},
			)
			So(status, ShouldEqual, http.StatusRequestedRangeNotSatisfiable)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 0, zerr.ErrBadUploadRange
					},
				},
			)
			So(status, ShouldEqual, http.StatusBadRequest)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 0, zerr.ErrRepoNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 0, zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "100",
					"Content-Range":  "1-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					PutBlobChunkFn: func(repo, uuid string, from, to int64, body io.Reader) (int64, error) {
						return 0, ErrUnexpectedError
					},
				},
			)
			So(status, ShouldEqual, http.StatusInternalServerError)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrBadBlobDigest
					},
				},
			)
			So(status, ShouldEqual, http.StatusBadRequest)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrBadUploadRange
					},
				},
			)
			So(status, ShouldEqual, http.StatusBadRequest)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrRepoNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return ErrUnexpectedError
					},
				},
			)
			So(status, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("DeleteBlobUpload", func() {
			testDeleteBlobUpload := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "PATCH", baseURL, nil)

				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.DeleteBlobUpload(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			status := testDeleteBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					DeleteBlobUploadFn: func(repo, uuid string) error {
						return zerr.ErrRepoNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testDeleteBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					DeleteBlobUploadFn: func(repo, uuid string) error {
						return zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusNotFound)

			status = testDeleteBlobUpload(
				[]struct{ k, v string }{},
				map[string]string{},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					DeleteBlobUploadFn: func(repo, uuid string) error {
						return ErrUnexpectedError
					},
				},
			)
			So(status, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("ListRepositories", func() {
			testListRepositoriesWithSubstores := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				ctlr.StoreController.SubStore = map[string]storage.ImageStore{
					"test": &mocks.MockedImageStore{
						GetRepositoriesFn: func() ([]string, error) {
							return []string{}, ErrUnexpectedError
						},
					},
				}
				request, _ := http.NewRequestWithContext(context.TODO(), "GET", baseURL, nil)

				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.ListRepositories(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			testListRepositories := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				ctlr.StoreController.SubStore = map[string]storage.ImageStore{}
				request, _ := http.NewRequestWithContext(context.TODO(), "PATCH", baseURL, nil)

				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.ListRepositories(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}
			// with substores
			status := testListRepositoriesWithSubstores(
				[]struct{ k, v string }{},
				map[string]string{},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					GetRepositoriesFn: func() ([]string, error) {
						return []string{}, ErrUnexpectedError
					},
				},
			)
			So(status, ShouldEqual, http.StatusInternalServerError)

			status = testListRepositories(
				[]struct{ k, v string }{},
				map[string]string{},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					GetRepositoriesFn: func() ([]string, error) {
						return []string{}, ErrUnexpectedError
					},
				},
			)
			So(status, ShouldEqual, http.StatusInternalServerError)
		})

		Convey("ListRepositories with Authz", func() {
			ctlr.StoreController.DefaultStore = &mocks.MockedImageStore{
				GetRepositoriesFn: func() ([]string, error) {
					return []string{"repo"}, nil
				},
			}
			ctlr.StoreController.SubStore = map[string]storage.ImageStore{
				"test1": &mocks.MockedImageStore{
					GetRepositoriesFn: func() ([]string, error) {
						return []string{"repo1"}, nil
					},
				},
				"test2": &mocks.MockedImageStore{
					GetRepositoriesFn: func() ([]string, error) {
						return []string{"repo2"}, nil
					},
				},
			}

			// make the user an admin
			// acCtx := api.NewAccessControlContext(map[string]bool{}, true)
			// ctx := context.WithValue(context.Background(), "ctx", acCtx)
			ctx := context.Background()
			request, _ := http.NewRequestWithContext(ctx, "GET", baseURL, nil)
			request = mux.SetURLVars(request, map[string]string{
				"name":       "repo",
				"session_id": "test",
			})
			response := httptest.NewRecorder()

			rthdlr.ListRepositories(response, request)

			resp := response.Result()
			defer resp.Body.Close()

			So(resp.StatusCode, ShouldEqual, http.StatusOK)
		})

		Convey("Helper functions", func() {
			testUpdateBlobUpload := func(
				query []struct{ k, v string },
				headers map[string]string,
				vars map[string]string,
				ism *mocks.MockedImageStore,
			) int {
				ctlr.StoreController.DefaultStore = ism
				request, _ := http.NewRequestWithContext(context.TODO(), "PATCH", baseURL, nil)

				request = mux.SetURLVars(request, vars)

				q := request.URL.Query()
				for _, qe := range query {
					q.Add(qe.k, qe.v)
				}
				request.URL.RawQuery = q.Encode()

				for k, v := range headers {
					request.Header.Add(k, v)
				}

				response := httptest.NewRecorder()

				rthdlr.UpdateBlobUpload(response, request)

				resp := response.Result()
				defer resp.Body.Close()

				return resp.StatusCode
			}

			status := testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "a-100",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusRequestedRangeNotSatisfiable)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "20-a",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusRequestedRangeNotSatisfiable)

			status = testUpdateBlobUpload(
				[]struct{ k, v string }{
					{"digest", "sha256:7a0437f04f83f084b7ed68ad9c4a4947e12fc4e1b006b38129bac89114ec3621"},
				},
				map[string]string{
					"Content-Length": "0",
					"Content-Range":  "20-1",
				},
				map[string]string{
					"name":       "repo",
					"session_id": "test",
				},
				&mocks.MockedImageStore{
					FinishBlobUploadFn: func(repo, uuid string, body io.Reader, digest string) error {
						return zerr.ErrUploadNotFound
					},
				},
			)
			So(status, ShouldEqual, http.StatusRequestedRangeNotSatisfiable)
		})
	})
}