DummyDataApi: Add test class.

* test/dapi/DummyDataApi.js: Add class.

test/dapi/DummyDataApi.js

@@ -0,0 +1,67 @@
+/**
+ * Applies arbitrary function to response data
+ *
+ *  Copyright (C) 2017 R-T Specialty, LLC.
+ *
+ *  This file is part of the Liza Data Collection Framework
+ *
+ *  Liza is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+const { Class }   = require( 'easejs' );
+const { DataApi } = require( '../../' ).dapi;
+
+
+/**
+ * Dummy DataApi implementation for testing
+ *
+ * This should not be used in production.
+ */
+module.exports = Class( 'DummyDataApi' )
+    .implement( DataApi )
+    .extend(
+{
+    /**
+     * #request callback
+     *
+     * @type {Function} #request method callback
+     */
+    'private _reqCallback': () => {},
+
+
+    /**
+     * Initialize with `#request` method callback
+     *
+     * @param {Function} req_callback #request method callback
+     */
+    constructor( req_callback )
+    {
+        this._reqCallback = req_callback;
+    },
+
+
+    /**
+     * Dummy method that invokes the callback provided via constructor
+     *
+     * @param {?Object<string,string>|string} data request params or post data
+     * @param {function(?Error,*):string} callback continuation upon reply
+     *
+     * @return {DataApi} self
+     */
+    'virtual public request'( data, callback )
+    {
+        this._reqCallback( data, callback );
+        return this;
+    },
+} );