101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
// Copyright 2019 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 lock
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/coreos/clair/database/pgsql/testutil"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestAcquireLockReturnsExistingLockDuration(t *testing.T) {
|
|
tx, cleanup := testutil.CreateTestTxWithFixtures(t, "Lock")
|
|
defer cleanup()
|
|
|
|
acquired, originalExpiration, err := AcquireLock(tx, "test1", "owner1", time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, acquired)
|
|
|
|
acquired2, expiration, err := AcquireLock(tx, "test1", "owner2", time.Hour)
|
|
require.Nil(t, err)
|
|
require.False(t, acquired2)
|
|
require.Equal(t, expiration, originalExpiration)
|
|
}
|
|
|
|
func TestLock(t *testing.T) {
|
|
db, cleanup := testutil.CreateTestDBWithFixture(t, "Lock")
|
|
defer cleanup()
|
|
|
|
tx, err := db.Begin()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
// Create a first lock.
|
|
l, _, err := AcquireLock(tx, "test1", "owner1", time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, true)
|
|
|
|
// lock again by itself, the previous lock is not expired yet.
|
|
l, _, err = AcquireLock(tx, "test1", "owner1", time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, false)
|
|
|
|
// Try to renew the same lock with another owner.
|
|
l, _, err = ExtendLock(tx, "test1", "owner2", time.Minute)
|
|
require.Nil(t, err)
|
|
require.False(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, false)
|
|
|
|
l, _, err = AcquireLock(tx, "test1", "owner2", time.Minute)
|
|
require.Nil(t, err)
|
|
require.False(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, false)
|
|
|
|
// Renew the lock.
|
|
l, _, err = ExtendLock(tx, "test1", "owner1", 2*time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, true)
|
|
|
|
// Unlock and then relock by someone else.
|
|
err = ReleaseLock(tx, "test1", "owner1")
|
|
require.Nil(t, err)
|
|
tx = testutil.RestartTransaction(db, tx, true)
|
|
|
|
l, _, err = AcquireLock(tx, "test1", "owner2", time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, true)
|
|
|
|
// Create a second lock which is actually already expired ...
|
|
l, _, err = AcquireLock(tx, "test2", "owner1", -time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, true)
|
|
|
|
// Take over the lock
|
|
l, _, err = AcquireLock(tx, "test2", "owner2", time.Minute)
|
|
require.Nil(t, err)
|
|
require.True(t, l)
|
|
tx = testutil.RestartTransaction(db, tx, true)
|
|
|
|
require.Nil(t, tx.Rollback())
|
|
}
|