mirror of https://github.com/etcd-io/bbolt.git
113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package c
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import (
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"fmt"
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"io/ioutil"
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"os"
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"sort"
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"testing"
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"testing/quick"
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"github.com/boltdb/bolt"
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"github.com/stretchr/testify/assert"
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)
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// Test when cursor hits the end
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// Implement seek; binary search within the page (branch page and element page)
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// Ensure that a cursor can iterate over all elements in a bucket.
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func TestIterate(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode.")
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}
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f := func(items testdata) bool {
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withOpenDB(func(db *bolt.DB, path string) {
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// Bulk insert all values.
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tx, _ := db.Begin(true)
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tx.CreateBucket("widgets")
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b := tx.Bucket("widgets")
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for _, item := range items {
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assert.NoError(t, b.Put(item.Key, item.Value))
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}
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assert.NoError(t, tx.Commit())
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// Sort test data.
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sort.Sort(items)
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// Iterate over all items and check consistency.
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var index = 0
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tx, _ = db.Begin(false)
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c := NewCursor(tx.Bucket("widgets"))
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for key, value := first(c); key != nil && index < len(items); key, value = next(c) {
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assert.Equal(t, key, items[index].Key)
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assert.Equal(t, value, items[index].Value)
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index++
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}
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assert.Equal(t, len(items), index)
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assert.Equal(t, len(items), index)
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tx.Rollback()
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})
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return true
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}
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if err := quick.Check(f, qconfig()); err != nil {
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t.Error(err)
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}
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fmt.Fprint(os.Stderr, "\n")
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}
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// withTempPath executes a function with a database reference.
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func withTempPath(fn func(string)) {
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f, _ := ioutil.TempFile("", "bolt-")
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path := f.Name()
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f.Close()
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os.Remove(path)
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defer os.RemoveAll(path)
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fn(path)
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}
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// withOpenDB executes a function with an already opened database.
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func withOpenDB(fn func(*bolt.DB, string)) {
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withTempPath(func(path string) {
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db, err := bolt.Open(path, 0666)
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if err != nil {
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panic("cannot open db: " + err.Error())
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}
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defer db.Close()
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fn(db, path)
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// Log statistics.
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// if *statsFlag {
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// logStats(db)
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// }
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// Check database consistency after every test.
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mustCheck(db)
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})
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}
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// mustCheck runs a consistency check on the database and panics if any errors are found.
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func mustCheck(db *bolt.DB) {
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if err := db.Check(); err != nil {
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// Copy db off first.
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db.CopyFile("/tmp/check.db", 0600)
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if errors, ok := err.(bolt.ErrorList); ok {
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for _, err := range errors {
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warn(err)
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}
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}
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warn(err)
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panic("check failure: see /tmp/check.db")
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}
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}
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func warn(v ...interface{}) {
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fmt.Fprintln(os.Stderr, v...)
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}
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func warnf(msg string, v ...interface{}) {
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fmt.Fprintf(os.Stderr, msg+"\n", v...)
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}
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