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/*
* Copyright 2019 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.wifi;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import android.content.Context;
import android.net.IpMemoryStore;
import androidx.test.filters.SmallTest;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
//import java.util.HashMap;
//import java.util.Map;
/**
* Unit tests for {@link com.android.server.wifi.MemoryStoreImpl}.
*/
@SmallTest
public class MemoryStoreImplTest extends WifiBaseTest {
@Mock Context mContext;
@Mock WifiScoreCard mWifiScoreCard;
@Mock WifiHealthMonitor mWifiHealthMonitor;
@Mock WifiScoreCard.BlobListener mBlobListener;
@Mock WifiInjector mWifiInjector;
@Mock IpMemoryStore mIpMemoryStore;
private MemoryStoreImpl mMemoryStoreImpl;
private static final String DATA_NAME = "test";
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mMemoryStoreImpl = new MemoryStoreImpl(mContext, mWifiInjector, mWifiScoreCard,
mWifiHealthMonitor);
}
/**
* Attempt to start before ip memory service is ready should not call install.
*/
@Test
public void attemptToStartBeforeIpMemoryServiceIsReadyShouldNotCallInstall() throws Exception {
mMemoryStoreImpl.start();
verify(mWifiScoreCard, never()).installMemoryStore(any());
}
/**
* Test start installs itself.
*/
@Test
public void testStartInstallsItself() throws Exception {
when(mWifiInjector.getIpMemoryStore()).thenReturn(mIpMemoryStore);
mMemoryStoreImpl.start();
verify(mWifiScoreCard).installMemoryStore(eq(mMemoryStoreImpl));
}
/**
* Test that stop does pending writes.
*
* Also check that stop is harmless if done before start or if done twice.
*/
@Test
public void testThatStopDoesPendingWrites() throws Exception {
when(mWifiInjector.getIpMemoryStore()).thenReturn(mIpMemoryStore);
// stop without start is a NOP
mMemoryStoreImpl.stop();
verifyNoMoreInteractions(mWifiScoreCard);
// start / stop calls for pending writes
mMemoryStoreImpl.start();
mMemoryStoreImpl.stop();
verify(mWifiScoreCard).installMemoryStore(eq(mMemoryStoreImpl));
verify(mWifiScoreCard).doWrites();
verifyNoMoreInteractions(mWifiScoreCard);
// stopping again should do nothing more
mMemoryStoreImpl.stop();
verifyNoMoreInteractions(mWifiScoreCard);
}
/**
* WifiScoreCard read should call ip memory store retrieveBlob.
*/
@Test
public void wifiScoreCardReadShouldCallIpMemoryStoreRetrieveBlob() throws Exception {
final byte[] myBlob = new byte[]{0x0, 0x3};
final String myL2Key = "L2Key:" + myBlob;
final android.net.ipmemorystore.Status statusSuccess =
new android.net.ipmemorystore.Status(android.net.ipmemorystore.Status.SUCCESS);
when(mWifiInjector.getIpMemoryStore()).thenReturn(mIpMemoryStore);
mMemoryStoreImpl.start();
mMemoryStoreImpl.read(myL2Key, DATA_NAME, mBlobListener);
verify(mIpMemoryStore).retrieveBlob(
eq(myL2Key), // String l2Key
eq(MemoryStoreImpl.WIFI_FRAMEWORK_IP_MEMORY_STORE_CLIENT_ID), // String clientId
eq(DATA_NAME),
mOnBlobRetrievedListenerCaptor.capture());
verifyNoMoreInteractions(mIpMemoryStore, mBlobListener);
// Now simulate the completion of the read request
final android.net.ipmemorystore.Blob wrappedBlob = new android.net.ipmemorystore.Blob();
wrappedBlob.data = myBlob;
mOnBlobRetrievedListenerCaptor.getValue()
.onBlobRetrieved(
statusSuccess,
myL2Key,
DATA_NAME,
wrappedBlob);
verify(mBlobListener).onBlobRetrieved(mBytesCaptor.capture());
assertArrayEquals(myBlob, mBytesCaptor.getValue());
}
final ArgumentCaptor<android.net.ipmemorystore.OnBlobRetrievedListener>
mOnBlobRetrievedListenerCaptor =
ArgumentCaptor.forClass(android.net.ipmemorystore.OnBlobRetrievedListener.class);
final ArgumentCaptor<byte[]>
mBytesCaptor =
ArgumentCaptor.forClass(byte[].class);
/**
* WifiScoreCard write should call ip memory store storeBlob.
*/
@Test
public void wifiScoreCardWriteShouldCallIpMemoryStoreStoreBlob() throws Exception {
final byte[] myBlob = new byte[]{0x0, 0x3, 0x1};
final String myL2Key = "L2Key:" + myBlob;
when(mWifiInjector.getIpMemoryStore()).thenReturn(mIpMemoryStore);
mMemoryStoreImpl.start();
mMemoryStoreImpl.write(myL2Key, DATA_NAME, myBlob);
verify(mIpMemoryStore).storeBlob(
eq(myL2Key),
eq(MemoryStoreImpl.WIFI_FRAMEWORK_IP_MEMORY_STORE_CLIENT_ID),
eq(DATA_NAME),
mIpMemoryStoreBlobCaptor.capture(),
eq(null));
android.net.ipmemorystore.Blob blob = mIpMemoryStoreBlobCaptor.getValue();
assertArrayEquals(myBlob, blob.data);
verifyNoMoreInteractions(mIpMemoryStore);
}
final ArgumentCaptor<android.net.ipmemorystore.Blob> mIpMemoryStoreBlobCaptor =
ArgumentCaptor.forClass(android.net.ipmemorystore.Blob.class);
/**
* An exception should disable further operations.
*/
@Test
public void exceptionDisablesFurtherOperations() throws Exception {
final byte[] myBlob = new byte[]{0x0, 0x3, 0x1};
final String myL2Key = "L2Key:" + myBlob;
when(mWifiInjector.getIpMemoryStore()).thenReturn(mIpMemoryStore);
doThrow(new RuntimeException("Just a test"))
.when(mIpMemoryStore).storeBlob(any(), any(), any(), any(), any());
mMemoryStoreImpl.start();
mMemoryStoreImpl.write(myL2Key, DATA_NAME, myBlob);
// After the failed write, the read should do nothing.
mMemoryStoreImpl.read(myL2Key, DATA_NAME, mBlobListener);
verify(mIpMemoryStore, never())
.retrieveBlob(any(), any(), any(), any());
}
}
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