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194 lines
4.7 KiB
194 lines
4.7 KiB
package db
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestDBIteratorSingleKey(t *testing.T) {
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for backend := range backends {
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t.Run(fmt.Sprintf("Backend %s", backend), func(t *testing.T) {
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db := newTempDB(t, backend)
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db.SetSync(bz("1"), bz("value_1"))
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itr := db.Iterator(nil, nil)
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checkValid(t, itr, true)
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checkNext(t, itr, false)
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checkValid(t, itr, false)
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checkNextPanics(t, itr)
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// Once invalid...
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checkInvalid(t, itr)
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})
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}
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}
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func TestDBIteratorTwoKeys(t *testing.T) {
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for backend := range backends {
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t.Run(fmt.Sprintf("Backend %s", backend), func(t *testing.T) {
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db := newTempDB(t, backend)
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db.SetSync(bz("1"), bz("value_1"))
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db.SetSync(bz("2"), bz("value_1"))
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{ // Fail by calling Next too much
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itr := db.Iterator(nil, nil)
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checkValid(t, itr, true)
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checkNext(t, itr, true)
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checkValid(t, itr, true)
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checkNext(t, itr, false)
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checkValid(t, itr, false)
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checkNextPanics(t, itr)
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// Once invalid...
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checkInvalid(t, itr)
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}
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})
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}
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}
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func TestDBIteratorMany(t *testing.T) {
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for backend := range backends {
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t.Run(fmt.Sprintf("Backend %s", backend), func(t *testing.T) {
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db := newTempDB(t, backend)
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keys := make([][]byte, 100)
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for i := 0; i < 100; i++ {
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keys[i] = []byte{byte(i)}
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}
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value := []byte{5}
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for _, k := range keys {
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db.Set(k, value)
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}
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itr := db.Iterator(nil, nil)
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defer itr.Close()
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for ; itr.Valid(); itr.Next() {
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assert.Equal(t, db.Get(itr.Key()), itr.Value())
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}
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})
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}
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}
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func TestDBIteratorEmpty(t *testing.T) {
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for backend := range backends {
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t.Run(fmt.Sprintf("Backend %s", backend), func(t *testing.T) {
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db := newTempDB(t, backend)
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itr := db.Iterator(nil, nil)
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checkInvalid(t, itr)
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})
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}
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}
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func TestDBIteratorEmptyBeginAfter(t *testing.T) {
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for backend := range backends {
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t.Run(fmt.Sprintf("Backend %s", backend), func(t *testing.T) {
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db := newTempDB(t, backend)
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itr := db.Iterator(bz("1"), nil)
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checkInvalid(t, itr)
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})
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}
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}
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func TestDBIteratorNonemptyBeginAfter(t *testing.T) {
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for backend := range backends {
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t.Run(fmt.Sprintf("Backend %s", backend), func(t *testing.T) {
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db := newTempDB(t, backend)
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db.SetSync(bz("1"), bz("value_1"))
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itr := db.Iterator(bz("2"), nil)
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checkInvalid(t, itr)
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})
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}
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}
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func TestDBBatchWrite1(t *testing.T) {
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mdb := newMockDB()
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ddb := NewDebugDB(t.Name(), mdb)
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batch := ddb.NewBatch()
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batch.Set(bz("1"), bz("1"))
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batch.Set(bz("2"), bz("2"))
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batch.Delete(bz("3"))
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batch.Set(bz("4"), bz("4"))
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batch.Write()
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assert.Equal(t, 0, mdb.calls["Set"])
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assert.Equal(t, 0, mdb.calls["SetSync"])
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assert.Equal(t, 3, mdb.calls["SetNoLock"])
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assert.Equal(t, 0, mdb.calls["SetNoLockSync"])
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assert.Equal(t, 0, mdb.calls["Delete"])
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assert.Equal(t, 0, mdb.calls["DeleteSync"])
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assert.Equal(t, 1, mdb.calls["DeleteNoLock"])
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assert.Equal(t, 0, mdb.calls["DeleteNoLockSync"])
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}
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func TestDBBatchWrite2(t *testing.T) {
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mdb := newMockDB()
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ddb := NewDebugDB(t.Name(), mdb)
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batch := ddb.NewBatch()
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batch.Set(bz("1"), bz("1"))
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batch.Set(bz("2"), bz("2"))
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batch.Set(bz("4"), bz("4"))
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batch.Delete(bz("3"))
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batch.Write()
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assert.Equal(t, 0, mdb.calls["Set"])
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assert.Equal(t, 0, mdb.calls["SetSync"])
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assert.Equal(t, 3, mdb.calls["SetNoLock"])
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assert.Equal(t, 0, mdb.calls["SetNoLockSync"])
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assert.Equal(t, 0, mdb.calls["Delete"])
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assert.Equal(t, 0, mdb.calls["DeleteSync"])
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assert.Equal(t, 1, mdb.calls["DeleteNoLock"])
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assert.Equal(t, 0, mdb.calls["DeleteNoLockSync"])
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}
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func TestDBBatchWriteSync1(t *testing.T) {
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mdb := newMockDB()
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ddb := NewDebugDB(t.Name(), mdb)
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batch := ddb.NewBatch()
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batch.Set(bz("1"), bz("1"))
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batch.Set(bz("2"), bz("2"))
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batch.Delete(bz("3"))
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batch.Set(bz("4"), bz("4"))
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batch.WriteSync()
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assert.Equal(t, 0, mdb.calls["Set"])
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assert.Equal(t, 0, mdb.calls["SetSync"])
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assert.Equal(t, 2, mdb.calls["SetNoLock"])
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assert.Equal(t, 1, mdb.calls["SetNoLockSync"])
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assert.Equal(t, 0, mdb.calls["Delete"])
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assert.Equal(t, 0, mdb.calls["DeleteSync"])
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assert.Equal(t, 1, mdb.calls["DeleteNoLock"])
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assert.Equal(t, 0, mdb.calls["DeleteNoLockSync"])
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}
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func TestDBBatchWriteSync2(t *testing.T) {
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mdb := newMockDB()
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ddb := NewDebugDB(t.Name(), mdb)
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batch := ddb.NewBatch()
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batch.Set(bz("1"), bz("1"))
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batch.Set(bz("2"), bz("2"))
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batch.Set(bz("4"), bz("4"))
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batch.Delete(bz("3"))
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batch.WriteSync()
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assert.Equal(t, 0, mdb.calls["Set"])
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assert.Equal(t, 0, mdb.calls["SetSync"])
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assert.Equal(t, 3, mdb.calls["SetNoLock"])
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assert.Equal(t, 0, mdb.calls["SetNoLockSync"])
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assert.Equal(t, 0, mdb.calls["Delete"])
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assert.Equal(t, 0, mdb.calls["DeleteSync"])
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assert.Equal(t, 0, mdb.calls["DeleteNoLock"])
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assert.Equal(t, 1, mdb.calls["DeleteNoLockSync"])
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}
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