mango: add type specifications and unit tests for text cursor

Author: pgj

src/mango/src/mango.hrl

@@ -10,6 +10,8 @@
 % License for the specific language governing permissions and limitations under
 % the License.
 
+-include_lib("mem3/include/mem3.hrl").
+
 -record(idx, {
     dbname,
     ddoc,
@@ -35,10 +37,13 @@
 				| {'op_regex', binary()}.
 
 -type database() :: binary().
+-type partition() :: binary().
+-type design_doc_id() :: binary().
 -type field() :: binary().
 -type fields() :: all_fields | [field()].
 -type selector() :: any().
 -type ejson() :: {[{atom(), any()}]}.
+-type text_query() :: binary().
 
 -type cursor_options() :: [{term(), term()}].
 -type comparator() :: '$lt' | '$lte' | '$eq' | '$gte' | '$gt'.
@@ -83,3 +88,11 @@
    }.
 
 -type cursor_kind() :: explain | find.
+
+-type text_sort_query() :: binary() | relevance.
+-type text_bookmark() :: nil | [{#shard{}, any()}].
+-type text_hit() :: any().
+
+-type explain_text_property() :: {query, text_query()}
+			       | {partition, partition()}
+			       | {sort, text_sort_query()}.