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package integration_tests
import (
"io/ioutil"
"os"
"fmt"
"io"
"testing"
)
func BenchmarkStreamWrite(t *testing.B) {
buf := make([]byte, 1024*1024)
t.SetBytes(int64(len(buf)))
file, err := os.Create(plainDir + "BenchmarkWrite")
if err != nil {
t.FailNow()
}
t.ResetTimer()
var i int
for i = 0; i < t.N; i++ {
written, err := file.Write(buf)
if err != nil {
fmt.Printf("err=\"%s\", written=%d\n", err.Error(), written)
t.FailNow()
}
}
file.Close()
}
func BenchmarkStreamRead(t *testing.B) {
buf := make([]byte, 1024*1024)
t.SetBytes(int64(len(buf)))
fn := plainDir + "BenchmarkWrite"
fi, _ := os.Stat(fn)
mb := int(fi.Size() / 1024 / 1024)
if t.N > mb {
// Grow file so we can satisfy the test
//fmt.Printf("Growing file to %d MB... ", t.N)
f2, err := os.OpenFile(fn, os.O_WRONLY|os.O_APPEND, 0666)
if err != nil {
fmt.Println(err)
t.FailNow()
}
for h := 0; h < t.N-mb; h++ {
_, err = f2.Write(buf)
if err != nil {
fmt.Println(err)
t.FailNow()
}
}
f2.Close()
//fmt.Printf("done\n")
}
file, err := os.Open(plainDir + "BenchmarkWrite")
if err != nil {
t.FailNow()
}
t.ResetTimer()
var i int
for i = 0; i < t.N; i++ {
_, err := file.Read(buf)
if err == io.EOF {
fmt.Printf("Test file too small\n")
t.SkipNow()
} else if err != nil {
fmt.Println(err)
t.FailNow()
}
}
file.Close()
}
func BenchmarkCreate10B(t *testing.B) {
dir := plainDir + "BenchmarkCreate10B"
err := os.RemoveAll(dir)
if err != nil {
t.Fatal(err)
}
err = os.Mkdir(dir, 0777)
if err != nil {
t.Fatal(err)
}
buf := []byte("1234567890")
t.SetBytes(int64(len(buf)))
t.ResetTimer()
var i int
for i = 0; i < t.N; i++ {
file := fmt.Sprintf("%s/%d", dir, i)
err = ioutil.WriteFile(file, buf, 0666)
if err != nil {
t.Fatal(err)
}
}
}
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