file store adds memdb implementation

weed/filer2/memdb/memdb_store_test.go

@@ -0,0 +1,96 @@
+package memdb
+
+import (
+	"testing"
+	"github.com/chrislusf/seaweedfs/weed/filer2"
+)
+
+func TestCreateAndFind(t *testing.T) {
+	filer := filer2.NewFiler("")
+	filer.SetStore(NewMemDbStore())
+	filer.DisableDirectoryCache()
+
+	fullpath := filer2.FullPath("/home/chris/this/is/one/file1.jpg")
+
+	entry1 := &filer2.Entry{
+		FullPath: fullpath,
+		Attr: filer2.Attr{
+			Mode: 0440,
+			Uid:  1234,
+			Gid:  5678,
+		},
+	}
+
+	if err := filer.CreateEntry(entry1); err != nil {
+		t.Errorf("create entry %v: %v", entry1.FullPath, err)
+		return
+	}
+
+	found, entry, err := filer.FindEntry(fullpath)
+
+	if err != nil {
+		t.Errorf("find entry: %v", err)
+		return
+	}
+
+	if !found {
+		t.Errorf("Failed to find newly created file")
+		return
+	}
+
+	if entry.FullPath != entry1.FullPath {
+		t.Errorf("find wrong entry: %v", entry.FullPath)
+		return
+	}
+
+}
+
+func TestCreateFileAndList(t *testing.T) {
+	filer := filer2.NewFiler("")
+	filer.SetStore(NewMemDbStore())
+	filer.DisableDirectoryCache()
+
+	entry1 := &filer2.Entry{
+		FullPath: filer2.FullPath("/home/chris/this/is/one/file1.jpg"),
+		Attr: filer2.Attr{
+			Mode: 0440,
+			Uid:  1234,
+			Gid:  5678,
+		},
+	}
+
+	entry2 := &filer2.Entry{
+		FullPath: filer2.FullPath("/home/chris/this/is/one/file2.jpg"),
+		Attr: filer2.Attr{
+			Mode: 0440,
+			Uid:  1234,
+			Gid:  5678,
+		},
+	}
+
+	filer.CreateEntry(entry1)
+	filer.CreateEntry(entry2)
+
+	entries, err := filer.ListDirectoryEntries(filer2.FullPath("/home/chris/this/is/one/"))
+
+	if err != nil {
+		t.Errorf("list entries: %v", err)
+		return
+	}
+
+	if len(entries) != 2 {
+		t.Errorf("list entries count: %v", len(entries))
+		return
+	}
+
+	if entries[0].FullPath != entry1.FullPath {
+		t.Errorf("find wrong entry 1: %v", entries[0].FullPath)
+		return
+	}
+
+	if entries[1].FullPath != entry2.FullPath {
+		t.Errorf("find wrong entry 2: %v", entries[1].FullPath)
+		return
+	}
+
+}