add :readonly_nomutex opt to open_opt type.

Author: ColaCheng

lib/exqlite/sqlite3.ex

@@ -19,7 +19,7 @@ defmodule Exqlite.Sqlite3 do
   @type statement() :: reference()
   @type reason() :: atom() | String.t()
   @type row() :: list()
-  @type open_opt :: {:mode, :readwrite | :readonly}
+  @type open_opt :: {:mode, :readwrite | :readonly | :readonly_nomutex}
 
   @doc """
   Opens a new sqlite database at the Path provided.

test/exqlite/sqlite3_test.exs

@@ -53,7 +53,7 @@ defmodule Exqlite.Sqlite3Test do
                Sqlite3.execute(ro_conn, insert_value_query)
     end
 
-    test "opens a database in sqlite_open_nomutex mode" do
+    test "opens a database in readonly_nomutex mode" do
       # Create database with readwrite connection
       {:ok, path} = Temp.path()
       {:ok, rw_conn} = Sqlite3.open(path)
@@ -64,7 +64,7 @@ defmodule Exqlite.Sqlite3Test do
       insert_value_query = "insert into test (stuff) values ('This is a test')"
       :ok = Sqlite3.execute(rw_conn, insert_value_query)
 
-      # Read from database with a readonly connection
+      # Read from database with a readonly_nomutex connection
       {:ok, ro_conn} = Sqlite3.open(path, mode: :readonly_nomutex)
 
       select_query = "select id, stuff from test order by id asc"
@@ -73,7 +73,7 @@ defmodule Exqlite.Sqlite3Test do
 
       assert [1, "This is a test"] == columns
 
-      # Readonly nomutex  connection cannot insert
+      # Readonly nomutex connection cannot insert
       assert {:error, "attempt to write a readonly database"} ==
                Sqlite3.execute(ro_conn, insert_value_query)
     end