| /* |
| * Copyright 2020 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.server.blob; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static junit.framework.Assert.fail; |
| |
| import android.content.Context; |
| import android.os.Environment; |
| import android.platform.test.annotations.Presubmit; |
| import android.provider.DeviceConfig; |
| import android.util.DataUnit; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.server.testables.TestableDeviceConfig; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| @Presubmit |
| public class BlobStoreConfigTest { |
| private static final long TIMEOUT_UPDATE_PROPERTIES_MS = 1_000; |
| |
| @Rule |
| public TestableDeviceConfig.TestableDeviceConfigRule |
| mDeviceConfigRule = new TestableDeviceConfig.TestableDeviceConfigRule(); |
| |
| private Context mContext; |
| |
| @Before |
| public void setUp() { |
| mContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); |
| BlobStoreConfig.initialize(mContext); |
| } |
| |
| @Test |
| public void testGetAppDataBytesLimit() throws Exception { |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_BLOBSTORE, |
| BlobStoreConfig.DeviceConfigProperties.KEY_TOTAL_BYTES_PER_APP_LIMIT_FLOOR, |
| String.valueOf(DataUnit.MEBIBYTES.toBytes(1000)), |
| false /* makeDefault */); |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_BLOBSTORE, |
| BlobStoreConfig.DeviceConfigProperties.KEY_TOTAL_BYTES_PER_APP_LIMIT_FRACTION, |
| String.valueOf(0.002f), |
| false /* makeDefault */); |
| waitForListenerToHandle(); |
| assertThat(BlobStoreConfig.getAppDataBytesLimit()).isEqualTo( |
| DataUnit.MEBIBYTES.toBytes(1000)); |
| |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_BLOBSTORE, |
| BlobStoreConfig.DeviceConfigProperties.KEY_TOTAL_BYTES_PER_APP_LIMIT_FLOOR, |
| String.valueOf(DataUnit.MEBIBYTES.toBytes(100)), |
| false /* makeDefault */); |
| DeviceConfig.setProperty(DeviceConfig.NAMESPACE_BLOBSTORE, |
| BlobStoreConfig.DeviceConfigProperties.KEY_TOTAL_BYTES_PER_APP_LIMIT_FRACTION, |
| String.valueOf(0.1f), |
| false /* makeDefault */); |
| waitForListenerToHandle(); |
| final long expectedLimit = (long) (Environment.getDataDirectory().getTotalSpace() * 0.1f); |
| assertThat(BlobStoreConfig.getAppDataBytesLimit()).isEqualTo(expectedLimit); |
| } |
| |
| private void waitForListenerToHandle() throws Exception { |
| final CountDownLatch latch = new CountDownLatch(1); |
| mContext.getMainExecutor().execute(latch::countDown); |
| if (!latch.await(TIMEOUT_UPDATE_PROPERTIES_MS, TimeUnit.MILLISECONDS)) { |
| fail("Timed out waiting for properties to get updated"); |
| } |
| } |
| } |