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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.wifi.hotspot2;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import android.util.Xml;
import androidx.test.filters.SmallTest;
import com.android.internal.util.FastXmlSerializer;
import com.android.server.wifi.WifiBaseTest;
import com.android.server.wifi.WifiConfigStore;
import com.android.server.wifi.util.WifiConfigStoreEncryptionUtil;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlSerializer;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.nio.charset.StandardCharsets;
/**
* Unit tests for {@link com.android.server.wifi.hotspot2.PasspointConfigSharedStoreData}.
*/
@SmallTest
public class PasspointConfigSharedStoreDataTest extends WifiBaseTest {
@Mock PasspointConfigSharedStoreData.DataSource mDataSource;
PasspointConfigSharedStoreData mConfigStoreData;
/** Sets up test. */
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mConfigStoreData = new PasspointConfigSharedStoreData(mDataSource);
}
/**
* Helper function for serializing store data to a XML block.
*
* @return byte[]
* @throws Exception
*/
private byte[] serializeData() throws Exception {
final XmlSerializer out = new FastXmlSerializer();
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
out.setOutput(outputStream, StandardCharsets.UTF_8.name());
mConfigStoreData.serializeData(out, mock(WifiConfigStoreEncryptionUtil.class));
out.flush();
return outputStream.toByteArray();
}
/**
* Helper function for deserializing store data from a XML block.
*
* @param data The XML block data bytes
* @throws Exception
*/
private void deserializeData(byte[] data) throws Exception {
final XmlPullParser in = Xml.newPullParser();
final ByteArrayInputStream inputStream = new ByteArrayInputStream(data);
in.setInput(inputStream, StandardCharsets.UTF_8.name());
mConfigStoreData.deserializeData(in, in.getDepth(),
WifiConfigStore.ENCRYPT_CREDENTIALS_CONFIG_STORE_DATA_VERSION,
mock(WifiConfigStoreEncryptionUtil.class));
}
/**
* Verify that the serialization and deserialization of share store data works as expected.
* The data used for serialization matches the result of the deserialization.
*
* @throws Exception
*/
@Test
public void serializeAndDeserializeShareStoreData() throws Exception {
// Setup expected data.
long providerIndex = 412;
// Serialize data for share store.
when(mDataSource.getProviderIndex()).thenReturn(providerIndex);
byte[] data = serializeData();
// Deserialize data for share store and verify the content.
deserializeData(data);
verify(mDataSource).setProviderIndex(providerIndex);
}
/**
* Verify that deserialization of an empty share store data doesn't cause any exception
* and the corresponding data source should not be updated.
*
* @throws Exception
*/
@Test
public void deserializeEmptyShareStoreData() throws Exception {
deserializeData(new byte[0]);
verify(mDataSource, never()).setProviderIndex(anyLong());
}
/**
* Verify that PasspointConfigUserStoreData is written to
* {@link WifiConfigStore#STORE_FILE_NAME_SHARED_GENERAL}.
*
* @throws Exception
*/
@Test
public void getUserStoreFileId() throws Exception {
assertEquals(WifiConfigStore.STORE_FILE_SHARED_GENERAL,
mConfigStoreData.getStoreFileId());
}
}
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