/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
*/


// Use this helper module to stub out properties within Jasmine tests.
// Original values will be restored after each test.

var curStubs = null;

function removeAllStubs() {
    for (var i = curStubs.length - 1, stub; stub = curStubs[i]; --i) {
        stub.obj[stub.key] = stub.value;
    }
    curStubs = null;
}

exports.stub = function(obj, key, value) {
    if (!curStubs) {
        curStubs = [];
        jasmine.getEnv().currentSpec.after(removeAllStubs);
    }

    curStubs.push({
        obj: obj,
        key: key,
        value: obj[key]
    });
    obj[key] = value;
};