[#143] Fix NoSuchKey error on get/head

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

api/handler/handlers_test.go

@@ -14,6 +14,7 @@ import (
 	"time"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/cache"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/resolver"
@@ -83,6 +84,14 @@ func (p *xmlDecoderProviderMock) NewCompleteMultipartDecoder(r io.Reader) *xml.D
 }
 
 func prepareHandlerContext(t *testing.T) *handlerContext {
+	return prepareHandlerContextBase(t, false)
+}
+
+func prepareHandlerContextWithMinCache(t *testing.T) *handlerContext {
+	return prepareHandlerContextBase(t, true)
+}
+
+func prepareHandlerContextBase(t *testing.T, minCache bool) *handlerContext {
 	key, err := keys.NewPrivateKey()
 	require.NoError(t, err)
 
@@ -99,8 +108,13 @@ func prepareHandlerContext(t *testing.T) *handlerContext {
 
 	treeMock := NewTreeServiceMock(t)
 
+	cacheCfg := layer.DefaultCachesConfigs(l)
+	if minCache {
+		cacheCfg = getMinCacheConfig(l)
+	}
+
 	layerCfg := &layer.Config{
-		Caches:      layer.DefaultCachesConfigs(zap.NewExample()),
+		Caches:      cacheCfg,
 		AnonKey:     layer.AnonymousKey{Key: key},
 		Resolver:    testResolver,
 		TreeService: treeMock,
@@ -129,6 +143,23 @@ func prepareHandlerContext(t *testing.T) *handlerContext {
 	}
 }
 
+func getMinCacheConfig(logger *zap.Logger) *layer.CachesConfig {
+	minCacheCfg := &cache.Config{
+		Size:     1,
+		Lifetime: 1,
+		Logger:   logger,
+	}
+	return &layer.CachesConfig{
+		Logger:        logger,
+		Objects:       minCacheCfg,
+		ObjectsList:   minCacheCfg,
+		Names:         minCacheCfg,
+		Buckets:       minCacheCfg,
+		System:        minCacheCfg,
+		AccessControl: minCacheCfg,
+	}
+}
+
 func NewTreeServiceMock(t *testing.T) *tree.Tree {
 	memCli, err := tree.NewTreeServiceClientMemory()
 	require.NoError(t, err)