b0142e1982
pruneLocks could create deadlocked transactions on PostgreSQL if multiple locks expired and pruneLocks is called by multiple instances. Also adds some logging.
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
// Copyright 2015 clair authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package database
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestLock(t *testing.T) {
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Open("memstore", "")
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defer Close()
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var l bool
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var et time.Time
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// Create a first lock
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l, _ = Lock("test1", time.Minute, "owner1")
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assert.True(t, l)
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// Try to lock the same lock with another owner
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l, _ = Lock("test1", time.Minute, "owner2")
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assert.False(t, l)
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// Renew the lock
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l, _ = Lock("test1", 2*time.Minute, "owner1")
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assert.True(t, l)
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// Unlock and then relock by someone else
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Unlock("test1", "owner1")
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l, et = Lock("test1", time.Minute, "owner2")
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assert.True(t, l)
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// LockInfo
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o, et2, err := LockInfo("test1")
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assert.Nil(t, err)
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assert.Equal(t, "owner2", o)
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assert.Equal(t, et.Second(), et2.Second())
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// Create a second lock which is actually already expired ...
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l, _ = Lock("test2", -time.Minute, "owner1")
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assert.True(t, l)
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// Take over the lock
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l, _ = Lock("test2", time.Minute, "owner2")
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assert.True(t, l)
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}
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