/
test_util.go
136 lines (113 loc) · 2.17 KB
/
test_util.go
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package dstest
import (
"bytes"
"encoding/base32"
"errors"
"math/rand"
"testing"
dstore "github.com/ipfs/go-datastore"
)
var (
TestError = errors.New("test error")
)
func RunBatchTest(t *testing.T, ds dstore.Batching) {
batch, err := ds.Batch()
if err != nil {
t.Fatal(err)
}
var blocks [][]byte
var keys []dstore.Key
for i := 0; i < 20; i++ {
blk := make([]byte, 256*1024)
rand.Read(blk)
blocks = append(blocks, blk)
key := dstore.NewKey(base32.StdEncoding.EncodeToString(blk[:8]))
keys = append(keys, key)
err := batch.Put(key, blk)
if err != nil {
t.Fatal(err)
}
}
// Ensure they are not in the datastore before comitting
for _, k := range keys {
_, err := ds.Get(k)
if err == nil {
t.Fatal("should not have found this block")
}
}
// commit, write them to the datastore
err = batch.Commit()
if err != nil {
t.Fatal(err)
}
for i, k := range keys {
blk, err := ds.Get(k)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(blk, blocks[i]) {
t.Fatal("blocks not correct!")
}
}
}
func RunBatchDeleteTest(t *testing.T, ds dstore.Batching) {
var keys []dstore.Key
for i := 0; i < 20; i++ {
blk := make([]byte, 16)
rand.Read(blk)
key := dstore.NewKey(base32.StdEncoding.EncodeToString(blk[:8]))
keys = append(keys, key)
err := ds.Put(key, blk)
if err != nil {
t.Fatal(err)
}
}
batch, err := ds.Batch()
if err != nil {
t.Fatal(err)
}
for _, k := range keys {
err := batch.Delete(k)
if err != nil {
t.Fatal(err)
}
}
err = batch.Commit()
if err != nil {
t.Fatal(err)
}
for _, k := range keys {
_, err := ds.Get(k)
if err == nil {
t.Fatal("shouldnt have found block")
}
}
}
type testDatastore struct {
testErrors bool
*dstore.MapDatastore
}
func NewTestDatastore(testErrors bool) *testDatastore {
return &testDatastore{
testErrors: testErrors,
MapDatastore: dstore.NewMapDatastore(),
}
}
func (d *testDatastore) Check() error {
if d.testErrors {
return TestError
}
return nil
}
func (d *testDatastore) Scrub() error {
if d.testErrors {
return TestError
}
return nil
}
func (d *testDatastore) CollectGarbage() error {
if d.testErrors {
return TestError
}
return nil
}