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// Copyright (c) 2014, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package leveldb
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/syndtr/goleveldb/leveldb/opt"
"github.com/syndtr/goleveldb/leveldb/testutil"
)
var _ = testutil.Defer(func() {
Describe("Leveldb external", func() {
o := &opt.Options{
DisableBlockCache: true,
BlockRestartInterval: 5,
BlockSize: 80,
Compression: opt.NoCompression,
OpenFilesCacheCapacity: -1,
Strict: opt.StrictAll,
WriteBuffer: 1000,
CompactionTableSize: 2000,
}
Describe("write test", func() {
It("should do write correctly", func(done Done) {
db := newTestingDB(o, nil, nil)
t := testutil.DBTesting{
DB: db,
Deleted: testutil.KeyValue_Generate(nil, 500, 1, 1, 50, 5, 5).Clone(),
}
testutil.DoDBTesting(&t)
db.TestClose()
done <- true
}, 80.0)
})
Describe("read test", func() {
testutil.AllKeyValueTesting(nil, nil, func(kv testutil.KeyValue) testutil.DB {
// Building the DB.
db := newTestingDB(o, nil, nil)
kv.IterateShuffled(nil, func(i int, key, value []byte) {
err := db.TestPut(key, value)
Expect(err).NotTo(HaveOccurred())
})
return db
}, func(db testutil.DB) {
db.(*testingDB).TestClose()
})
})
Describe("transaction test", func() {
It("should do transaction correctly", func(done Done) {
db := newTestingDB(o, nil, nil)
By("creating first transaction")
var err error
tr := &testingTransaction{}
tr.Transaction, err = db.OpenTransaction()
Expect(err).NotTo(HaveOccurred())
t0 := &testutil.DBTesting{
DB: tr,
Deleted: testutil.KeyValue_Generate(nil, 200, 1, 1, 50, 5, 5).Clone(),
}
testutil.DoDBTesting(t0)
testutil.TestGet(tr, t0.Present)
testutil.TestHas(tr, t0.Present)
By("committing first transaction")
err = tr.Commit()
Expect(err).NotTo(HaveOccurred())
testutil.TestIter(db, nil, t0.Present)
testutil.TestGet(db, t0.Present)
testutil.TestHas(db, t0.Present)
By("manipulating DB without transaction")
t0.DB = db
testutil.DoDBTesting(t0)
By("creating second transaction")
tr.Transaction, err = db.OpenTransaction()
Expect(err).NotTo(HaveOccurred())
t1 := &testutil.DBTesting{
DB: tr,
Deleted: t0.Deleted.Clone(),
Present: t0.Present.Clone(),
}
testutil.DoDBTesting(t1)
testutil.TestIter(db, nil, t0.Present)
By("discarding second transaction")
tr.Discard()
testutil.TestIter(db, nil, t0.Present)
By("creating third transaction")
tr.Transaction, err = db.OpenTransaction()
Expect(err).NotTo(HaveOccurred())
t0.DB = tr
testutil.DoDBTesting(t0)
By("committing third transaction")
err = tr.Commit()
Expect(err).NotTo(HaveOccurred())
testutil.TestIter(db, nil, t0.Present)
db.TestClose()
done <- true
}, 240.0)
})
})
})
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