com.android.tools.analytics.EnvironmentFakes Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of shared Show documentation
Helper Library for tracking usage analytics.
The newest version!
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
 *
 * 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.android.tools.analytics;

import java.util.Map;

/**
 * Used in tests to fake out the Environment code used in production to allow injecting custom
 * environment variable values.
 */
class EnvironmentFakes {
    /**
     * Helper to fake the ANDROID_SDK_HOME environment variable to be set to {@code path}.
     */
    public static void setCustomAndroidSdkHomeEnvironment(String path) {
        setSingleProperty("ANDROID_SDK_HOME", path);
    }

    public static void setMap(Map map) {
        Environment.setInstance(
                new Environment() {
                    @Override
                    public String getVariable(String name) {
                        return map.get(name);
                    }
                });
    }

    public static void setSingleProperty(String key, String value) {
        Environment.setInstance(
                new Environment() {
                    @Override
                    public String getVariable(String name) {
                        if (key.equals(name)) {
                            return value;
                        }
                        return null;
                    }
                });
    }

    /** Helper to fake the ANDROID_SDK_HOME environment variable to be unset. */
    public static void setNoEnvironmentVariable() {
        Environment.setInstance(
                new Environment() {
                    @Override
                    String getVariable(String name) {
                        return null;
                    }
                });
    }

    /**
     * Helper to undo faking the environment variable reading.
     */
    public static void setSystemEnvironment() {
        Environment.setInstance(Environment.SYSTEM);
    }
}