memcache a go

db_test.go

@@ -42,6 +42,18 @@ func TestImplementations(t *testing.T) {
 	cases = append(cases, &mock{m: make(map[string][]byte)})
 	cases = append(cases, NewMap())
 
+	if cacheMem, err := NewCache(); err != nil {
+		t.Errorf("cannot make cache/mem: %v", err)
+	} else {
+		cases = append(cases, cacheMem)
+	}
+
+	if cacheFile, err := NewCache(path.Join(dir, "cache")); err != nil {
+		t.Errorf("cannot make cache/file: %v", err)
+	} else {
+		cases = append(cases, cacheFile)
+	}
+
 	if bolt, err := NewBolt(path.Join(dir, "bolt")); err != nil {
 		t.Errorf("cannot make bolt: %v", err)
 	} else {
@@ -92,6 +104,12 @@ func TestImplementations(t *testing.T) {
 		t.Errorf("cannot make mongo: %v", err)
 	}
 
+	if memcache, err := NewMemcache("localhost:11211"); err != nil {
+		t.Errorf("cannot make memcache: %v", err)
+	} else {
+		cases = append(cases, memcache)
+	}
+
 	validKey := "key"
 	validValue := []byte("value")