|
| 1 | +package org.opensearch.indices.replication; |
| 2 | + |
| 3 | +import org.junit.After; |
| 4 | +import org.junit.Before; |
| 5 | +import org.junit.BeforeClass; |
| 6 | +import org.junit.Test; |
| 7 | +import org.junit.runner.OrderWith; |
| 8 | +import org.opensearch.index.store.RemoteSegmentStoreDirectory.UploadedSegmentMetadata; |
| 9 | + |
| 10 | +import java.util.Map; |
| 11 | +import java.util.concurrent.CountDownLatch; |
| 12 | +import java.util.concurrent.ExecutorService; |
| 13 | +import java.util.concurrent.Executors; |
| 14 | +import java.util.concurrent.TimeUnit; |
| 15 | + |
| 16 | +import static org.junit.Assert.*; |
| 17 | +import static org.mockito.Mockito.*; |
| 18 | + |
| 19 | +public class ActiveMergesSegmentRegistryTests { |
| 20 | + |
| 21 | + private ActiveMergesSegmentRegistry registry; |
| 22 | + private UploadedSegmentMetadata mockMetadata; |
| 23 | + |
| 24 | + @Before |
| 25 | + public void setUp() { |
| 26 | + registry = ActiveMergesSegmentRegistry.getInstance(); |
| 27 | + // Clear registry state before each test |
| 28 | + clearRegistry(); |
| 29 | + |
| 30 | + mockMetadata = mock(UploadedSegmentMetadata.class); |
| 31 | + when(mockMetadata.getUploadedFilename()).thenReturn("remote_segment_1.si"); |
| 32 | + } |
| 33 | + |
| 34 | + private void clearRegistry() { |
| 35 | + // Clear all registered segments |
| 36 | + Map<String, UploadedSegmentMetadata> metadataMap = registry.segmentMetadataMap(); |
| 37 | + metadataMap.keySet().forEach(registry::unregister); |
| 38 | + registry.filenameRegistry.clear(); |
| 39 | + } |
| 40 | + |
| 41 | + @Test |
| 42 | + public void testSingletonInstance() { |
| 43 | + ActiveMergesSegmentRegistry instance1 = ActiveMergesSegmentRegistry.getInstance(); |
| 44 | + ActiveMergesSegmentRegistry instance2 = ActiveMergesSegmentRegistry.getInstance(); |
| 45 | + assertSame(instance1, instance2); |
| 46 | + } |
| 47 | + |
| 48 | + @Test |
| 49 | + public void testRegisterSegment() { |
| 50 | + String filename = "segment_1.si"; |
| 51 | + registry.register(filename); |
| 52 | + assertTrue(registry.contains(filename)); |
| 53 | + } |
| 54 | + |
| 55 | + @Test(expected = IllegalArgumentException.class) |
| 56 | + public void testRegisterDuplicateSegment() { |
| 57 | + String filename = "segment_1.si"; |
| 58 | + registry.register(filename); |
| 59 | + registry.register(filename); // Should throw exception |
| 60 | + } |
| 61 | + |
| 62 | + @Test |
| 63 | + public void testUpdateMetadata() { |
| 64 | + String filename = "segment_1.si"; |
| 65 | + registry.register(filename); |
| 66 | + registry.updateMetadata(filename, mockMetadata); |
| 67 | + |
| 68 | + assertEquals(mockMetadata, registry.getMetadata(filename)); |
| 69 | + assertTrue(registry.contains("remote_segment_1.si")); |
| 70 | + } |
| 71 | + |
| 72 | + @Test(expected = IllegalArgumentException.class) |
| 73 | + public void testUpdateMetadataUnregisteredSegment() { |
| 74 | + registry.updateMetadata("unregistered_segment.si", mockMetadata); |
| 75 | + } |
| 76 | + |
| 77 | + @Test |
| 78 | + public void testUnregisterSegment() { |
| 79 | + String filename = "segment_1.si"; |
| 80 | + registry.register(filename); |
| 81 | + registry.updateMetadata(filename, mockMetadata); |
| 82 | + |
| 83 | + registry.unregister(filename); |
| 84 | + |
| 85 | + assertFalse(registry.contains(filename)); |
| 86 | + assertFalse(registry.contains("remote_segment_1.si")); |
| 87 | + assertNull(registry.getMetadata(filename)); |
| 88 | + } |
| 89 | + |
| 90 | + @Test |
| 91 | + public void testUnregisterNonExistentSegment() { |
| 92 | + // Should not throw exception |
| 93 | + registry.unregister("non_existent.si"); |
| 94 | + } |
| 95 | + |
| 96 | + @Test |
| 97 | + public void testGetExistingRemoteSegmentFilename() { |
| 98 | + String filename = "segment_1.si"; |
| 99 | + registry.register(filename); |
| 100 | + registry.updateMetadata(filename, mockMetadata); |
| 101 | + |
| 102 | + assertEquals("remote_segment_1.si", registry.getExistingRemoteSegmentFilename(filename)); |
| 103 | + } |
| 104 | + |
| 105 | + @Test(expected = IllegalArgumentException.class) |
| 106 | + public void testGetExistingRemoteSegmentFilenameNoMetadata() { |
| 107 | + String filename = "segment_1.si"; |
| 108 | + registry.register(filename); |
| 109 | + registry.getExistingRemoteSegmentFilename(filename); // Metadata not available |
| 110 | + } |
| 111 | + |
| 112 | + @Test |
| 113 | + public void testCanDelete() { |
| 114 | + String filename = "segment_1.si"; |
| 115 | + assertTrue(registry.canDelete(filename)); // Not registered |
| 116 | + |
| 117 | + registry.register(filename); |
| 118 | + assertFalse(registry.canDelete(filename)); // Registered |
| 119 | + |
| 120 | + registry.unregister(filename); |
| 121 | + assertTrue(registry.canDelete(filename)); // Unregistered |
| 122 | + } |
| 123 | + |
| 124 | + @Test |
| 125 | + public void testConcurrentAccess() throws InterruptedException { |
| 126 | + int threadCount = 10; |
| 127 | + int operationsPerThread = 100; |
| 128 | + ExecutorService executor = Executors.newFixedThreadPool(threadCount); |
| 129 | + CountDownLatch latch = new CountDownLatch(threadCount); |
| 130 | + |
| 131 | + for (int i = 0; i < threadCount; i++) { |
| 132 | + final int threadId = i; |
| 133 | + executor.submit(() -> { |
| 134 | + try { |
| 135 | + for (int j = 0; j < operationsPerThread; j++) { |
| 136 | + String filename = "segment_" + threadId + "_" + j + ".si"; |
| 137 | + String remoteFilename = "remote_" + filename; |
| 138 | + UploadedSegmentMetadata metadata = mock(UploadedSegmentMetadata.class); |
| 139 | + when(metadata.getUploadedFilename()).thenReturn(remoteFilename); |
| 140 | + registry.register(filename); |
| 141 | + assertTrue(registry.contains(filename)); |
| 142 | + registry.updateMetadata(filename, metadata); |
| 143 | + assertEquals(registry.getExistingRemoteSegmentFilename(filename), remoteFilename); |
| 144 | + registry.unregister(filename); |
| 145 | + assertFalse(registry.contains(filename)); |
| 146 | + } |
| 147 | + } finally { |
| 148 | + latch.countDown(); |
| 149 | + } |
| 150 | + }); |
| 151 | + } |
| 152 | + |
| 153 | + assertTrue(latch.await(30, TimeUnit.SECONDS)); |
| 154 | + executor.shutdown(); |
| 155 | + } |
| 156 | + |
| 157 | + @Test |
| 158 | + public void testMultipleSegmentsLifecycle() { |
| 159 | + String[] filenames = {"seg1.si", "seg2.si", "seg3.si"}; |
| 160 | + UploadedSegmentMetadata[] metadatas = new UploadedSegmentMetadata[3]; |
| 161 | + |
| 162 | + // Setup mocks |
| 163 | + for (int i = 0; i < 3; i++) { |
| 164 | + metadatas[i] = mock(UploadedSegmentMetadata.class); |
| 165 | + when(metadatas[i].getUploadedFilename()).thenReturn("remote_" + filenames[i]); |
| 166 | + } |
| 167 | + |
| 168 | + // Register all |
| 169 | + for (String filename : filenames) { |
| 170 | + registry.register(filename); |
| 171 | + assertTrue(registry.contains(filename)); |
| 172 | + } |
| 173 | + |
| 174 | + // Update metadata |
| 175 | + for (int i = 0; i < 3; i++) { |
| 176 | + registry.updateMetadata(filenames[i], metadatas[i]); |
| 177 | + assertEquals(metadatas[i], registry.getMetadata(filenames[i])); |
| 178 | + } |
| 179 | + |
| 180 | + // Verify all are tracked |
| 181 | + assertEquals(3, registry.segmentMetadataMap().size()); |
| 182 | + |
| 183 | + // Unregister one |
| 184 | + registry.unregister(filenames[1]); |
| 185 | + assertFalse(registry.contains(filenames[1])); |
| 186 | + assertEquals(2, registry.segmentMetadataMap().size()); |
| 187 | + |
| 188 | + // Others still exist |
| 189 | + assertTrue(registry.contains(filenames[0])); |
| 190 | + assertTrue(registry.contains(filenames[2])); |
| 191 | + } |
| 192 | +} |
0 commit comments