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/*
* Copyright (C) 2024 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.internal.net;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import android.content.Context;
import androidx.test.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import androidx.test.filters.SmallTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.File;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class ConnectivityBlobStoreTest {
private static final String DATABASE_FILENAME = "ConnectivityBlobStore.db";
private static final String TEST_NAME = "TEST_NAME";
private static final byte[] TEST_BLOB = new byte[] {(byte) 10, (byte) 90, (byte) 45, (byte) 12};
private Context mContext;
private File mFile;
private ConnectivityBlobStore createConnectivityBlobStore() {
return new ConnectivityBlobStore(mFile);
}
@Before
public void setUp() throws Exception {
mContext = InstrumentationRegistry.getContext();
mFile = mContext.getDatabasePath(DATABASE_FILENAME);
}
@After
public void tearDown() throws Exception {
mContext.deleteDatabase(DATABASE_FILENAME);
}
@Test
public void testFileCreateDelete() {
assertFalse(mFile.exists());
createConnectivityBlobStore();
assertTrue(mFile.exists());
assertTrue(mContext.deleteDatabase(DATABASE_FILENAME));
assertFalse(mFile.exists());
}
@Test
public void testPutAndGet() throws Exception {
final ConnectivityBlobStore connectivityBlobStore = createConnectivityBlobStore();
assertNull(connectivityBlobStore.get(TEST_NAME));
assertTrue(connectivityBlobStore.put(TEST_NAME, TEST_BLOB));
assertArrayEquals(TEST_BLOB, connectivityBlobStore.get(TEST_NAME));
// Test replacement
final byte[] newBlob = new byte[] {(byte) 15, (byte) 20};
assertTrue(connectivityBlobStore.put(TEST_NAME, newBlob));
assertArrayEquals(newBlob, connectivityBlobStore.get(TEST_NAME));
}
@Test
public void testRemove() throws Exception {
final ConnectivityBlobStore connectivityBlobStore = createConnectivityBlobStore();
assertNull(connectivityBlobStore.get(TEST_NAME));
assertFalse(connectivityBlobStore.remove(TEST_NAME));
assertTrue(connectivityBlobStore.put(TEST_NAME, TEST_BLOB));
assertArrayEquals(TEST_BLOB, connectivityBlobStore.get(TEST_NAME));
assertTrue(connectivityBlobStore.remove(TEST_NAME));
assertNull(connectivityBlobStore.get(TEST_NAME));
// Removing again returns false
assertFalse(connectivityBlobStore.remove(TEST_NAME));
}
@Test
public void testMultipleNames() throws Exception {
final String name1 = TEST_NAME + "1";
final String name2 = TEST_NAME + "2";
final ConnectivityBlobStore connectivityBlobStore = createConnectivityBlobStore();
assertNull(connectivityBlobStore.get(name1));
assertNull(connectivityBlobStore.get(name2));
assertFalse(connectivityBlobStore.remove(name1));
assertFalse(connectivityBlobStore.remove(name2));
assertTrue(connectivityBlobStore.put(name1, TEST_BLOB));
assertTrue(connectivityBlobStore.put(name2, TEST_BLOB));
assertArrayEquals(TEST_BLOB, connectivityBlobStore.get(name1));
assertArrayEquals(TEST_BLOB, connectivityBlobStore.get(name2));
// Replace the blob for name1 only.
final byte[] newBlob = new byte[] {(byte) 16, (byte) 21};
assertTrue(connectivityBlobStore.put(name1, newBlob));
assertArrayEquals(newBlob, connectivityBlobStore.get(name1));
assertTrue(connectivityBlobStore.remove(name1));
assertNull(connectivityBlobStore.get(name1));
assertArrayEquals(TEST_BLOB, connectivityBlobStore.get(name2));
assertFalse(connectivityBlobStore.remove(name1));
assertTrue(connectivityBlobStore.remove(name2));
assertNull(connectivityBlobStore.get(name2));
assertFalse(connectivityBlobStore.remove(name2));
}
@Test
public void testList() throws Exception {
final String[] unsortedNames = new String[] {
TEST_NAME + "1",
TEST_NAME + "2",
TEST_NAME + "0",
"NON_MATCHING_PREFIX",
"MATCHING_SUFFIX_" + TEST_NAME
};
// Expected to match and discard the prefix and be in increasing sorted order.
final String[] expected = new String[] {
"0",
"1",
"2"
};
final ConnectivityBlobStore connectivityBlobStore = createConnectivityBlobStore();
for (int i = 0; i < unsortedNames.length; i++) {
assertTrue(connectivityBlobStore.put(unsortedNames[i], TEST_BLOB));
}
final String[] actual = connectivityBlobStore.list(TEST_NAME /* prefix */);
assertArrayEquals(expected, actual);
}
}
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