mirror of https://github.com/etcd-io/bbolt.git
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
package bolt
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import (
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"flag"
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"math/rand"
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"reflect"
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"testing/quick"
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"time"
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)
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// testing/quick defaults to 100 iterations and a random seed.
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// You can override these settings from the command line:
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//
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// -quickchecks The number of iterations to perform.
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// -quick.seed The seed to use for randomizing.
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// -quick.maxitems The maximum number of items to insert into a DB.
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// -quick.maxksize The maximum size of a key.
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// -quick.maxvsize The maximum size of a value.
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//
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var seed, testMaxItemCount, testMaxKeySize, testMaxValueSize int
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func init() {
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flag.IntVar(&seed, "quick.seed", int(time.Now().UnixNano())%100000, "")
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flag.IntVar(&testMaxItemCount, "quick.maxitems", 1024, "")
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flag.IntVar(&testMaxKeySize, "quick.maxksize", 1024, "")
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flag.IntVar(&testMaxValueSize, "quick.maxvsize", 1024, "")
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warn("seed:", seed)
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}
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// qc creates a testing/quick configuration.
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func qc() *quick.Config {
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return &quick.Config{Rand: rand.New(rand.NewSource(int64(seed)))}
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}
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type testKeyValuePairs []testKeyValuePair
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func (t testKeyValuePairs) Generate(rand *rand.Rand, size int) reflect.Value {
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n := rand.Intn(testMaxItemCount-1) + 1
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items := make(testKeyValuePairs, n)
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for i := 0; i < n; i++ {
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items[i].Generate(rand, size)
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}
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return reflect.ValueOf(items)
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}
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type testKeyValuePair struct {
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Key []byte
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Value []byte
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}
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func (t testKeyValuePair) Generate(rand *rand.Rand, size int) reflect.Value {
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t.Key = randByteSlice(rand, 1, testMaxKeySize)
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t.Value = randByteSlice(rand, 0, testMaxValueSize)
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return reflect.ValueOf(t)
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}
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func randByteSlice(rand *rand.Rand, minSize, maxSize int) []byte {
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n := rand.Intn(maxSize - minSize) + minSize
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b := make([]byte, n)
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for i := 0; i < n; i++ {
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b[i] = byte(rand.Intn(255))
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}
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return b
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}
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