clair/database/mysql/lock_test.go

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// Copyright 2015 clair authors
//
// 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 mysql
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestLock(t *testing.T) {
datastore, err := OpenForTest("InsertNamespace", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
var l bool
var et time.Time
// Create a first lock.
l, _ = datastore.Lock("test1", "owner1", time.Minute, false)
assert.True(t, l)
// Try to lock the same lock with another owner.
l, _ = datastore.Lock("test1", "owner2", time.Minute, true)
assert.False(t, l)
l, _ = datastore.Lock("test1", "owner2", time.Minute, false)
assert.False(t, l)
// Renew the lock.
l, _ = datastore.Lock("test1", "owner1", 2*time.Minute, true)
assert.True(t, l)
// Unlock and then relock by someone else.
datastore.Unlock("test1", "owner1")
l, et = datastore.Lock("test1", "owner2", time.Minute, false)
assert.True(t, l)
// LockInfo
o, et2, err := datastore.FindLock("test1")
assert.Nil(t, err)
assert.Equal(t, "owner2", o)
assert.Equal(t, et.Second(), et2.Second())
// Create a second lock which is actually already expired ...
l, _ = datastore.Lock("test2", "owner1", -time.Minute, false)
assert.True(t, l)
// Take over the lock
l, _ = datastore.Lock("test2", "owner2", time.Minute, false)
assert.True(t, l)
}