test/com/facebook/buck/util/FakePropertyFinder.java

/*
 * Copyright 2013-present Facebook, Inc.
 *
 * Licensed 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.
 */
package com.facebook.buck.util;

import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;

import java.nio.file.Path;

public class FakePropertyFinder implements PropertyFinder {
  private final ImmutableMap<String, Optional<Path>> propertyMap;

  public FakePropertyFinder(ImmutableMap<String, Optional<Path>> propertyMap) {
    this.propertyMap = Preconditions.checkNotNull(propertyMap);
  }

  @Override
  public Optional<Path> findDirectoryByPropertiesThenEnvironmentVariable(
      String propertyName, String... environmentVariables) {
    return propertyMap.get(propertyName);
  }
}