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minio/cmd/lockinfo-handlers_test.go

112 lines
3.0 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"context"
"fmt"
"os"
"testing"
"time"
)
// TestListLocksInfo - Test for listLocksInfo.
func TestListLocksInfo(t *testing.T) {
// reset global variables to start afresh.
resetTestGlobals()
// Initialize minio server config.
rootPath, err := newTestConfig(globalMinioDefaultRegion)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootPath)
// Initializing new XL objectLayer.
objAPI, _, xlErr := initTestXLObjLayer()
if xlErr != nil {
t.Fatalf("failed to init object layer")
}
// Make objLayer available to all internal services via globalObjectAPI.
globalObjLayerMutex.Lock()
globalObjectAPI = objAPI
globalObjLayerMutex.Unlock()
// Set globalIsXL to indicate that the setup uses an erasure code backend.
// initialize NSLock.
isDistXL := false
initNSLock(isDistXL)
var nsMutex *nsLockMap
nsMutex = objAPI.(*xlSets).sets[0].nsMutex
// Acquire a few locks to populate lock instrumentation.
// Take 10 read locks on bucket1/prefix1/obj1
for i := 0; i < 10; i++ {
readLk := nsMutex.NewNSLock("bucket1", "prefix1/obj1")
if readLk.GetRLock(newDynamicTimeout(60*time.Second, time.Second)) != nil {
t.Errorf("Failed to get read lock on iteration %d", i)
}
}
// Take write locks on bucket1/prefix/obj{11..19}
for i := 0; i < 10; i++ {
wrLk := nsMutex.NewNSLock("bucket1", fmt.Sprintf("prefix1/obj%d", 10+i))
if wrLk.GetLock(newDynamicTimeout(60*time.Second, time.Second)) != nil {
t.Errorf("Failed to get write lock on iteration %d", i)
}
}
testCases := []struct {
bucket string
prefix string
duration time.Duration
numLocks int
}{
// Test 1 - Matches all the locks acquired above.
{
bucket: "bucket1",
prefix: "prefix1",
duration: time.Duration(0 * time.Second),
numLocks: 20,
},
// Test 2 - Bucket doesn't match.
{
bucket: "bucket",
prefix: "prefix1",
duration: time.Duration(0 * time.Second),
numLocks: 0,
},
// Test 3 - Prefix doesn't match.
{
bucket: "bucket1",
prefix: "prefix11",
duration: time.Duration(0 * time.Second),
numLocks: 0,
},
}
for i, test := range testCases {
actual, err := objAPI.ListLocks(context.Background(), test.bucket, test.prefix, test.duration)
if err != nil {
t.Errorf("Test %d - Expected success, got %s", i+1, err)
}
if len(actual) != test.numLocks {
t.Errorf("Test %d - Expected %d locks but observed %d locks",
i+1, test.numLocks, len(actual))
}
}
}