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[bytom/vapor.git] / vendor / github.com / syndtr / goleveldb / leveldb / storage / file_storage_test.go

diff --git a/vendor/github.com/syndtr/goleveldb/leveldb/storage/file_storage_test.go b/vendor/github.com/syndtr/goleveldb/leveldb/storage/file_storage_test.go
new file mode 100644 (file)
index 0000000..28a59ec
--- /dev/null
+++ b/vendor/github.com/syndtr/goleveldb/leveldb/storage/file_storage_test.go
@@ -0,0 +1,176 @@
+// Copyright (c) 2012, 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 (
+       "fmt"
+       "os"
+       "path/filepath"
+       "testing"
+)
+
+var cases = []struct {
+       oldName []string
+       name    string
+       ftype   FileType
+       num     int64
+}{
+       {nil, "000100.log", TypeJournal, 100},
+       {nil, "000000.log", TypeJournal, 0},
+       {[]string{"000000.sst"}, "000000.ldb", TypeTable, 0},
+       {nil, "MANIFEST-000002", TypeManifest, 2},
+       {nil, "MANIFEST-000007", TypeManifest, 7},
+       {nil, "9223372036854775807.log", TypeJournal, 9223372036854775807},
+       {nil, "000100.tmp", TypeTemp, 100},
+}
+
+var invalidCases = []string{
+       "",
+       "foo",
+       "foo-dx-100.log",
+       ".log",
+       "",
+       "manifest",
+       "CURREN",
+       "CURRENTX",
+       "MANIFES",
+       "MANIFEST",
+       "MANIFEST-",
+       "XMANIFEST-3",
+       "MANIFEST-3x",
+       "LOC",
+       "LOCKx",
+       "LO",
+       "LOGx",
+       "18446744073709551616.log",
+       "184467440737095516150.log",
+       "100",
+       "100.",
+       "100.lop",
+}
+
+func TestFileStorage_CreateFileName(t *testing.T) {
+       for _, c := range cases {
+               if name := fsGenName(FileDesc{c.ftype, c.num}); name != c.name {
+                       t.Errorf("invalid filename got '%s', want '%s'", name, c.name)
+               }
+       }
+}
+
+func TestFileStorage_ParseFileName(t *testing.T) {
+       for _, c := range cases {
+               for _, name := range append([]string{c.name}, c.oldName...) {
+                       fd, ok := fsParseName(name)
+                       if !ok {
+                               t.Errorf("cannot parse filename '%s'", name)
+                               continue
+                       }
+                       if fd.Type != c.ftype {
+                               t.Errorf("filename '%s' invalid type got '%d', want '%d'", name, fd.Type, c.ftype)
+                       }
+                       if fd.Num != c.num {
+                               t.Errorf("filename '%s' invalid number got '%d', want '%d'", name, fd.Num, c.num)
+                       }
+               }
+       }
+}
+
+func TestFileStorage_InvalidFileName(t *testing.T) {
+       for _, name := range invalidCases {
+               if fsParseNamePtr(name, nil) {
+                       t.Errorf("filename '%s' should be invalid", name)
+               }
+       }
+}
+
+func TestFileStorage_Locking(t *testing.T) {
+       path := filepath.Join(os.TempDir(), fmt.Sprintf("goleveldb-testrwlock-%d", os.Getuid()))
+       if err := os.RemoveAll(path); err != nil && !os.IsNotExist(err) {
+               t.Fatal("RemoveAll: got error: ", err)
+       }
+       defer os.RemoveAll(path)
+
+       p1, err := OpenFile(path, false)
+       if err != nil {
+               t.Fatal("OpenFile(1): got error: ", err)
+       }
+
+       p2, err := OpenFile(path, false)
+       if err != nil {
+               t.Logf("OpenFile(2): got error: %s (expected)", err)
+       } else {
+               p2.Close()
+               p1.Close()
+               t.Fatal("OpenFile(2): expect error")
+       }
+
+       p1.Close()
+
+       p3, err := OpenFile(path, false)
+       if err != nil {
+               t.Fatal("OpenFile(3): got error: ", err)
+       }
+       defer p3.Close()
+
+       l, err := p3.Lock()
+       if err != nil {
+               t.Fatal("storage lock failed(1): ", err)
+       }
+       _, err = p3.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 = p3.Lock()
+       if err != nil {
+               t.Fatal("storage lock failed(2): ", err)
+       }
+}
+
+func TestFileStorage_ReadOnlyLocking(t *testing.T) {
+       path := filepath.Join(os.TempDir(), fmt.Sprintf("goleveldb-testrolock-%d", os.Getuid()))
+       if err := os.RemoveAll(path); err != nil && !os.IsNotExist(err) {
+               t.Fatal("RemoveAll: got error: ", err)
+       }
+       defer os.RemoveAll(path)
+
+       p1, err := OpenFile(path, false)
+       if err != nil {
+               t.Fatal("OpenFile(1): got error: ", err)
+       }
+
+       _, err = OpenFile(path, true)
+       if err != nil {
+               t.Logf("OpenFile(2): got error: %s (expected)", err)
+       } else {
+               t.Fatal("OpenFile(2): expect error")
+       }
+
+       p1.Close()
+
+       p3, err := OpenFile(path, true)
+       if err != nil {
+               t.Fatal("OpenFile(3): got error: ", err)
+       }
+
+       p4, err := OpenFile(path, true)
+       if err != nil {
+               t.Fatal("OpenFile(4): got error: ", err)
+       }
+
+       _, err = OpenFile(path, false)
+       if err != nil {
+               t.Logf("OpenFile(5): got error: %s (expected)", err)
+       } else {
+               t.Fatal("OpenFile(2): expect error")
+       }
+
+       p3.Close()
+       p4.Close()
+}