file: support collections with "." in the name

Author: 256dpi

file.go

@@ -70,7 +70,7 @@ func (f *File) BuildCatalog() (*Catalog, error) {
 	// process namespaces
 	for name, ns := range f.Namespaces {
 		// split name
-		segments := strings.Split(name, ".")
+		segments := strings.SplitN(name, ".", 2)
 		if len(segments) != 2 {
 			return nil, fmt.Errorf("invalid namespace name %q", name)
 		}

file_test.go

@@ -0,0 +1,24 @@
+package lungo
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/256dpi/lungo/mongokit"
+)
+
+func TestFile(t *testing.T) {
+	catalog := NewCatalog()
+	assert.NotNil(t, catalog)
+
+	catalog.Namespaces[Oplog] = mongokit.NewCollection(false)
+	catalog.Namespaces[Handle{"test", "foo.bar"}] = mongokit.NewCollection(false)
+
+	file := BuildFile(catalog)
+	assert.NotNil(t, file)
+
+	catalog2, err := file.BuildCatalog()
+	assert.Nil(t, err)
+	assert.NotNil(t, catalog2)
+}