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// Copyright (c) 2013, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package storage
import (
"bytes"
"fmt"
"testing"
)
func TestMemStorage(t *testing.T) {
m := NewMemStorage()
l, err := m.Lock()
if err != nil {
t.Fatal("storage lock failed(1): ", err)
}
_, err = m.Lock()
if err == nil {
t.Fatal("expect error for second storage lock attempt")
} else {
t.Logf("storage lock got error: %s (expected)", err)
}
l.Unlock()
_, err = m.Lock()
if err != nil {
t.Fatal("storage lock failed(2): ", err)
}
w, err := m.Create(FileDesc{TypeTable, 1})
if err != nil {
t.Fatal("Storage.Create: ", err)
}
w.Write([]byte("abc"))
w.Close()
if fds, _ := m.List(TypeAll); len(fds) != 1 {
t.Fatal("invalid GetFiles len")
}
buf := new(bytes.Buffer)
r, err := m.Open(FileDesc{TypeTable, 1})
if err != nil {
t.Fatal("Open: got error: ", err)
}
buf.ReadFrom(r)
r.Close()
if got := buf.String(); got != "abc" {
t.Fatalf("Read: invalid value, want=abc got=%s", got)
}
if _, err := m.Open(FileDesc{TypeTable, 1}); err != nil {
t.Fatal("Open: got error: ", err)
}
if _, err := m.Open(FileDesc{TypeTable, 1}); err == nil {
t.Fatal("expecting error")
}
m.Remove(FileDesc{TypeTable, 1})
if fds, _ := m.List(TypeAll); len(fds) != 0 {
t.Fatal("invalid GetFiles len", len(fds))
}
if _, err := m.Open(FileDesc{TypeTable, 1}); err == nil {
t.Fatal("expecting error")
}
}
func TestMemStorageRename(t *testing.T) {
fd1 := FileDesc{Type: TypeTable, Num: 1}
fd2 := FileDesc{Type: TypeTable, Num: 2}
m := NewMemStorage()
w, err := m.Create(fd1)
if err != nil {
t.Fatalf("Storage.Create: %v", err)
}
fmt.Fprintf(w, "abc")
w.Close()
rd, err := m.Open(fd1)
if err != nil {
t.Fatalf("Storage.Open(%v): %v", fd1, err)
}
rd.Close()
fds, err := m.List(TypeAll)
if err != nil {
t.Fatalf("Storage.List: %v", err)
}
for _, fd := range fds {
if !FileDescOk(fd) {
t.Errorf("Storage.List -> FileDescOk(%q)", fd)
}
}
err = m.Rename(fd1, fd2)
if err != nil {
t.Fatalf("Storage.Rename: %v", err)
}
rd, err = m.Open(fd2)
if err != nil {
t.Fatalf("Storage.Open(%v): %v", fd2, err)
}
rd.Close()
fds, err = m.List(TypeAll)
if err != nil {
t.Fatalf("Storage.List: %v", err)
}
for _, fd := range fds {
if !FileDescOk(fd) {
t.Errorf("Storage.List -> FileDescOk(%q)", fd)
}
}
}
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