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/*
* Copyright (C) 2018 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.backup;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import android.content.ContentResolver;
import android.content.Context;
import android.os.Handler;
import android.os.Process;
import android.platform.test.annotations.Presubmit;
import android.provider.Settings;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
/** Tests for {@link BackupAgentTimeoutParameters}. */
@RunWith(RobolectricTestRunner.class)
@Presubmit
public class BackupAgentTimeoutParametersTest {
private ContentResolver mContentResolver;
private BackupAgentTimeoutParameters mParameters;
/** Initialize timeout parameters and start observing changes. */
@Before
public void setUp() {
Context context = RuntimeEnvironment.application.getApplicationContext();
mContentResolver = context.getContentResolver();
mParameters = new BackupAgentTimeoutParameters(new Handler(), mContentResolver);
}
/** Stop observing changes to the setting. */
@After
public void tearDown() {
mParameters.stop();
}
/** Tests that timeout parameters are initialized with default values on creation. */
// TODO: Break down tests
@Test
public void testGetParameters_afterConstructorWithStart_returnsDefaultValues() {
mParameters.start();
long kvBackupAgentTimeoutMillis = mParameters.getKvBackupAgentTimeoutMillis();
long fullBackupAgentTimeoutMillis = mParameters.getFullBackupAgentTimeoutMillis();
long sharedBackupAgentTimeoutMillis = mParameters.getSharedBackupAgentTimeoutMillis();
long restoreSessionTimeoutMillis = mParameters.getRestoreSessionTimeoutMillis();
long restoreAgentFinishedTimeoutMillis = mParameters.getRestoreAgentFinishedTimeoutMillis();
assertEquals(
BackupAgentTimeoutParameters.DEFAULT_KV_BACKUP_AGENT_TIMEOUT_MILLIS,
kvBackupAgentTimeoutMillis);
assertEquals(
BackupAgentTimeoutParameters.DEFAULT_FULL_BACKUP_AGENT_TIMEOUT_MILLIS,
fullBackupAgentTimeoutMillis);
assertEquals(
BackupAgentTimeoutParameters.DEFAULT_SHARED_BACKUP_AGENT_TIMEOUT_MILLIS,
sharedBackupAgentTimeoutMillis);
assertEquals(
BackupAgentTimeoutParameters.DEFAULT_RESTORE_SESSION_TIMEOUT_MILLIS,
restoreSessionTimeoutMillis);
assertEquals(
BackupAgentTimeoutParameters.DEFAULT_RESTORE_AGENT_FINISHED_TIMEOUT_MILLIS,
restoreAgentFinishedTimeoutMillis);
}
@Test
public void
testGetRestoreAgentTimeout_afterConstructorWithStartForSystemAgent_returnsDefaultValue() {
mParameters.start();
// Numbers before FIRST_APPLICATION_UID are reserved as UIDs for system components.
long restoreTimeout =
mParameters.getRestoreAgentTimeoutMillis(Process.FIRST_APPLICATION_UID - 1);
assertThat(restoreTimeout)
.isEqualTo(
BackupAgentTimeoutParameters.DEFAULT_RESTORE_SYSTEM_AGENT_TIMEOUT_MILLIS);
}
@Test
public void
testGetRestoreAgentTimeout_afterConstructorWithStartForAppAgent_returnsDefaultValue() {
mParameters.start();
// Numbers starting from FIRST_APPLICATION_UID are reserved for app UIDs.
long restoreTimeout =
mParameters.getRestoreAgentTimeoutMillis(Process.FIRST_APPLICATION_UID);
assertThat(restoreTimeout)
.isEqualTo(BackupAgentTimeoutParameters.DEFAULT_RESTORE_AGENT_TIMEOUT_MILLIS);
}
@Test
public void testGetQuotaExceededTimeoutMillis_returnsDefaultValue() {
mParameters.start();
long timeout = mParameters.getQuotaExceededTimeoutMillis();
assertThat(timeout)
.isEqualTo(BackupAgentTimeoutParameters.DEFAULT_QUOTA_EXCEEDED_TIMEOUT_MILLIS);
}
@Test
public void testGetQuotaExceededTimeoutMillis_whenSettingSet_returnsSetValue() {
putStringAndNotify(
BackupAgentTimeoutParameters.SETTING_QUOTA_EXCEEDED_TIMEOUT_MILLIS + "=" + 1279);
mParameters.start();
long timeout = mParameters.getQuotaExceededTimeoutMillis();
assertThat(timeout).isEqualTo(1279);
}
/**
* Tests that timeout parameters are updated when we call start, even when a setting change
* occurs while we are not observing.
*/
@Test
public void testGetParameters_withSettingChangeBeforeStart_updatesValues() {
long testTimeout = BackupAgentTimeoutParameters.DEFAULT_KV_BACKUP_AGENT_TIMEOUT_MILLIS * 2;
final String setting =
BackupAgentTimeoutParameters.SETTING_KV_BACKUP_AGENT_TIMEOUT_MILLIS
+ "="
+ testTimeout;
putStringAndNotify(setting);
mParameters.start();
long kvBackupAgentTimeoutMillis = mParameters.getKvBackupAgentTimeoutMillis();
assertEquals(testTimeout, kvBackupAgentTimeoutMillis);
}
/**
* Tests that timeout parameters are updated when a setting change occurs while we are observing
* changes.
*/
@Test
public void testGetParameters_withSettingChangeAfterStart_updatesValues() {
mParameters.start();
long testTimeout = BackupAgentTimeoutParameters.DEFAULT_KV_BACKUP_AGENT_TIMEOUT_MILLIS * 2;
final String setting =
BackupAgentTimeoutParameters.SETTING_KV_BACKUP_AGENT_TIMEOUT_MILLIS
+ "="
+ testTimeout;
putStringAndNotify(setting);
long kvBackupAgentTimeoutMillis = mParameters.getKvBackupAgentTimeoutMillis();
assertEquals(testTimeout, kvBackupAgentTimeoutMillis);
}
/**
* Robolectric does not notify observers of changes to settings so we have to trigger it here.
* Currently, the mock of {@link Settings.Secure#putString(ContentResolver, String, String)}
* only stores the value. TODO: Implement properly in ShadowSettings.
*/
private void putStringAndNotify(String value) {
Settings.Global.putString(mContentResolver, BackupAgentTimeoutParameters.SETTING, value);
// We pass null as the observer since notifyChange iterates over all available observers and
// we don't have access to the local observer.
mContentResolver.notifyChange(
Settings.Global.getUriFor(BackupAgentTimeoutParameters.SETTING), /*observer*/ null);
}
}
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