packages/SettingsLib/tests/robotests/src/com/android/settingslib/SettingsLibRobolectricTestRunner.java

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.android.settingslib;

import android.annotation.NonNull;

import org.junit.runners.model.InitializationError;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
import org.robolectric.manifest.AndroidManifest;
import org.robolectric.res.Fs;
import org.robolectric.res.ResourcePath;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;

public class SettingsLibRobolectricTestRunner extends RobolectricTestRunner {

    public SettingsLibRobolectricTestRunner(Class<?> testClass) throws InitializationError {
        super(testClass);
    }

    /**
     * We are going to create our own custom manifest so we can add multiple resource paths to it.
     */
    @Override
    protected AndroidManifest getAppManifest(Config config) {
        try {
            // Using the manifest file's relative path, we can figure out the application directory.
            final URL appRoot =
                new URL("file:frameworks/base/packages/SettingsLib/tests/robotests");
            final URL manifestPath = new URL(appRoot, "AndroidManifest.xml");
            final URL resDir = new URL(appRoot, "res");
            final URL assetsDir = new URL(appRoot, "assets");

            return new AndroidManifest(Fs.fromURL(manifestPath), Fs.fromURL(resDir),
                Fs.fromURL(assetsDir), "com.android.settingslib") {
                @Override
                public List<ResourcePath> getIncludedResourcePaths() {
                    final List<ResourcePath> paths = super.getIncludedResourcePaths();
                    paths.add(resourcePath("file:frameworks/base/packages/SettingsLib/res"));
                    paths.add(resourcePath("file:frameworks/base/core/res/res"));
                    paths.add(resourcePath("file:out/soong/.intermediates/prebuilts/sdk/current/androidx/androidx.appcompat_appcompat-nodeps/android_common/aar/res/"));
                    return paths;
                }
            };
        } catch (MalformedURLException e) {
            throw new RuntimeException("SettingsLibRobolectricTestRunner failure", e);
        }
    }

    private static ResourcePath resourcePath(@NonNull String spec) {
        try {
            return new ResourcePath(null, Fs.fromURL(new URL(spec)), null);
        } catch (MalformedURLException e) {
            throw new RuntimeException("SettingsLibRobolectricTestRunner failure", e);
        }
    }
}