[#166] Fix getting s3 object with the FrostFS OID name

Prioritize getting s3 object with the key, which equals to valid FrostFS OID, rather than getting non-existent object with OID via native protocol for GET and HEAD requests

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

internal/handler/handler_test.go

@@ -14,8 +14,8 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/cache"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/data"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/handler/middleware"
+	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/layer"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/resolver"
-	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tree"
 	"git.frostfs.info/TrueCloudLab/frostfs-http-gw/utils"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
@@ -32,14 +32,29 @@ import (
 	"go.uber.org/zap"
 )
 
-type treeClientMock struct {
+type treeServiceMock struct {
+	system map[string]map[string]*data.BaseNodeVersion
 }
 
-func (t *treeClientMock) GetNodes(context.Context, *tree.GetNodesParams) ([]tree.NodeResponse, error) {
-	return nil, nil
+func newTreeService() *treeServiceMock {
+	return &treeServiceMock{
+		system: make(map[string]map[string]*data.BaseNodeVersion),
+	}
 }
 
-func (t *treeClientMock) GetSubTree(context.Context, *data.BucketInfo, string, []uint64, uint32, bool) ([]tree.NodeResponse, error) {
+func (t *treeServiceMock) CheckSettingsNodeExists(context.Context, *data.BucketInfo) error {
+	_, ok := t.system["bucket-settings"]
+	if !ok {
+		return layer.ErrNodeNotFound
+	}
+	return nil
+}
+
+func (t *treeServiceMock) GetSubTreeByPrefix(context.Context, *data.BucketInfo, string, bool) ([]data.NodeInfo, string, error) {
+	return nil, "", nil
+}
+
+func (t *treeServiceMock) GetLatestVersion(context.Context, *cid.ID, string) (*data.NodeVersion, error) {
 	return nil, nil
 }
 
@@ -89,7 +104,7 @@ type handlerContext struct {
 
 	h       *Handler
 	frostfs *TestFrostFS
-	tree    *treeClientMock
+	tree    *treeServiceMock
 	cfg     *configMock
 }
 
@@ -130,14 +145,14 @@ func prepareHandlerContext() (*handlerContext, error) {
 		}),
 	}
 
-	treeMock := &treeClientMock{}
+	treeMock := newTreeService()
 	cfgMock := &configMock{}
 
-	workerPool, err := ants.NewPool(1000)
+	workerPool, err := ants.NewPool(1)
 	if err != nil {
 		return nil, err
 	}
-	handler := New(params, cfgMock, tree.NewTree(treeMock), workerPool)
+	handler := New(params, cfgMock, treeMock, workerPool)
 
 	return &handlerContext{
 		key:     key,