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package main_test
import (
"os"
"strconv"
"testing"
"github.com/boltdb/bolt"
. "github.com/boltdb/bolt/cmd/bolt"
"github.com/stretchr/testify/assert"
)
func TestStats(t *testing.T) {
if os.Getpagesize() != 4096 {
t.Skip()
}
SetTestMode(true)
open(func(db *bolt.DB, path string) {
db.Update(func(tx *bolt.Tx) error {
b, err := tx.CreateBucket([]byte("foo"))
if err != nil {
return err
}
for i := 0; i < 10; i++ {
b.Put([]byte(strconv.Itoa(i)), []byte(strconv.Itoa(i)))
}
b, err = tx.CreateBucket([]byte("bar"))
if err != nil {
return err
}
for i := 0; i < 100; i++ {
b.Put([]byte(strconv.Itoa(i)), []byte(strconv.Itoa(i)))
}
b, err = tx.CreateBucket([]byte("baz"))
if err != nil {
return err
}
b.Put([]byte("key"), []byte("value"))
return nil
})
db.Close()
output := run("stats", path, "b")
assert.Equal(t, "Aggregate statistics for 2 buckets\n\n"+
"Page count statistics\n"+
"\tNumber of logical branch pages: 0\n"+
"\tNumber of physical branch overflow pages: 0\n"+
"\tNumber of logical leaf pages: 1\n"+
"\tNumber of physical leaf overflow pages: 0\n"+
"Tree statistics\n"+
"\tNumber of keys/value pairs: 101\n"+
"\tNumber of levels in B+tree: 1\n"+
"Page size utilization\n"+
"\tBytes allocated for physical branch pages: 0\n"+
"\tBytes actually used for branch data: 0 (0%)\n"+
"\tBytes allocated for physical leaf pages: 4096\n"+
"\tBytes actually used for leaf data: 1996 (48%)\n"+
"Bucket statistics\n"+
"\tTotal number of buckets: 2\n"+
"\tTotal number on inlined buckets: 1 (50%)\n"+
"\tBytes used for inlined buckets: 40 (2%)", output)
})
}
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