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package bolt
import (
"bytes"
"flag"
"fmt"
"math/rand"
"os"
"reflect"
"testing"
"testing/quick"
"time"
)
// testing/quick defaults to 100 iterations and a random seed.
// You can override these settings from the command line:
//
// -quickchecks The number of iterations to perform.
// -quick.seed The seed to use for randomizing.
// -quick.maxitems The maximum number of items to insert into a DB.
// -quick.maxksize The maximum size of a key.
// -quick.maxvsize The maximum size of a value.
//
var qseed, qmaxitems, qmaxksize, qmaxvsize int
func init() {
flag.IntVar(&qseed, "quick.seed", int(time.Now().UnixNano())%100000, "")
flag.IntVar(&qmaxitems, "quick.maxitems", 1000, "")
flag.IntVar(&qmaxksize, "quick.maxksize", 1024, "")
flag.IntVar(&qmaxvsize, "quick.maxvsize", 1024, "")
flag.Parse()
warn("seed:", qseed)
}
// Ensure that a bucket can write random keys and values across multiple txns.
func TestQuickPut(t *testing.T) {
index := 0
f := func(items testdata) bool {
withOpenDB(func(db *DB, path string) {
m := make(map[string][]byte)
db.CreateBucket("widgets")
for _, item := range items {
if err := db.Put("widgets", item.Key, item.Value); err != nil {
panic("put error: " + err.Error())
}
m[string(item.Key)] = item.Value
// Verify all key/values so far.
i := 0
for k, v := range m {
value, err := db.Get("widgets", []byte(k))
if err != nil {
panic("get error: " + err.Error())
}
if !bytes.Equal(value, v) {
db.CopyFile("/tmp/bolt.random.db")
t.Fatalf("value mismatch [run %d] (%d of %d):\nkey: %x\ngot: %x\nexp: %x", index, i, len(m), []byte(k), v, value)
}
i++
}
}
fmt.Fprint(os.Stderr, ".")
})
index++
return true
}
if err := quick.Check(f, &quick.Config{Rand: rand.New(rand.NewSource(int64(qseed)))}); err != nil {
t.Error(err)
}
fmt.Fprint(os.Stderr, "\n")
}
type testdata []testdataitem
func (t testdata) Generate(rand *rand.Rand, size int) reflect.Value {
n := rand.Intn(qmaxitems-1) + 1
items := make(testdata, n)
for i := 0; i < n; i++ {
item := &items[i]
item.Key = randByteSlice(rand, 1, qmaxksize)
item.Value = randByteSlice(rand, 0, qmaxvsize)
}
return reflect.ValueOf(items)
}
type testdataitem struct {
Key []byte
Value []byte
}
func randByteSlice(rand *rand.Rand, minSize, maxSize int) []byte {
n := rand.Intn(maxSize-minSize) + minSize
b := make([]byte, n)
for i := 0; i < n; i++ {
b[i] = byte(rand.Intn(255))
}
return b
}
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