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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.scanner.cache;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.sonar.core.util.Protobuf;
import org.sonar.scanner.protocol.internal.ScannerInternal.SensorCacheEntry;
import org.sonar.scanner.protocol.output.FileStructure;
import org.sonar.scanner.scan.branch.BranchConfiguration;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class WriteCacheImplTest {
private final ReadCacheImpl readCache = mock(ReadCacheImpl.class);
private final BranchConfiguration branchConfiguration = mock(BranchConfiguration.class);
private FileStructure fileStructure;
private WriteCacheImpl writeCache;
@Rule
public TemporaryFolder temp = new TemporaryFolder();
@Before
public void setUp() throws IOException {
fileStructure = new FileStructure(temp.newFolder());
writeCache = new WriteCacheImpl(readCache, fileStructure);
}
@Test
public void write_bytes_adds_entries() {
byte[] b1 = new byte[] {1, 2, 3};
byte[] b2 = new byte[] {3, 4};
writeCache.write("key", b1);
writeCache.write("key2", b2);
assertThatCacheContains(Map.of("key", b1, "key2", b2));
}
@Test
public void dont_write_if_its_pull_request() {
byte[] b1 = new byte[] {1, 2, 3};
when(branchConfiguration.isPullRequest()).thenReturn(true);
writeCache.write("key1", b1);
writeCache.write("key2", new ByteArrayInputStream(b1));
assertThatCacheContains(Map.of());
}
@Test
public void write_inputStream_adds_entries() {
byte[] b1 = new byte[] {1, 2, 3};
byte[] b2 = new byte[] {3, 4};
writeCache.write("key", new ByteArrayInputStream(b1));
writeCache.write("key2", new ByteArrayInputStream(b2));
assertThatCacheContains(Map.of("key", b1, "key2", b2));
}
@Test
public void write_throws_IAE_if_writing_same_key_twice() {
byte[] b1 = new byte[] {1};
byte[] b2 = new byte[] {2};
writeCache.write("key", b1);
assertThatThrownBy(() -> writeCache.write("key", b2))
.isInstanceOf(IllegalArgumentException.class)
.hasMessage("Cache already contains key 'key'");
}
@Test
public void copyFromPrevious_throws_IAE_if_read_cache_doesnt_contain_key() {
assertThatThrownBy(() -> writeCache.copyFromPrevious("key"))
.isInstanceOf(IllegalArgumentException.class)
.hasMessage("Previous cache doesn't contain key 'key'");
}
@Test
public void copyFromPrevious_reads_from_readCache() throws IOException {
byte[] b = new byte[] {1};
InputStream value = new ByteArrayInputStream(b);
when(readCache.contains("key")).thenReturn(true);
when(readCache.read("key")).thenReturn(value);
writeCache.copyFromPrevious("key");
assertThatCacheContains(Map.of("key", b));
}
private void assertThatCacheContains(Map<String, byte[]> expectedData) {
writeCache.close();
File cacheFile = fileStructure.analysisCache();
Iterable<SensorCacheEntry> it = () -> Protobuf.readGzipStream(cacheFile, SensorCacheEntry.parser());
Map<String, byte[]> data = StreamSupport.stream(it.spliterator(), false)
.collect(Collectors.toMap(SensorCacheEntry::getKey, e -> e.getData().toByteArray()));
assertThat(data).containsAllEntriesOf(expectedData);
}
}
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