2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 Nokia. All rights reserved.
6 * =============================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.appc.flow.controller.node;
22 import java.util.function.Function;
25 * Wrapper which allows to mock static calls of System.getenv()
27 * @see System#getenv()
31 private Function<String, String> envSupplier;
34 envSupplier = System::getenv;
37 String getenv(String variable) {
38 return envSupplier.apply(variable);