| /* |
| * Copyright 2013-present Facebook, Inc. |
| * |
| * 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.facebook.buck.util; |
| |
| import static com.facebook.buck.testutil.WatchEvents.createOverflowEvent; |
| import static com.facebook.buck.testutil.WatchEvents.createPathEvent; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.facebook.buck.io.ProjectFilesystem; |
| import com.facebook.buck.testutil.FakeProjectFilesystem; |
| import com.facebook.buck.testutil.integration.DebuggableTemporaryFolder; |
| import com.google.common.base.Charsets; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.hash.HashCode; |
| import com.google.common.io.Files; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.nio.file.StandardWatchEventKinds; |
| |
| public class DefaultFileHashCacheTest { |
| |
| @Rule |
| public DebuggableTemporaryFolder tmp = new DebuggableTemporaryFolder(); |
| |
| @Test |
| public void whenPathIsPutCacheContainsPath() { |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache(new FakeProjectFilesystem()); |
| Path path = new File("SomeClass.java").toPath(); |
| cache.loadingCache.put(path, HashCode.fromInt(42)); |
| assertTrue("Cache should contain path", cache.contains(path)); |
| } |
| |
| @Test |
| public void whenPathIsPutPathGetReturnsHash() { |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache(new FakeProjectFilesystem()); |
| Path path = new File("SomeClass.java").toPath(); |
| HashCode hash = HashCode.fromInt(42); |
| cache.loadingCache.put(path, hash); |
| assertEquals("Cache should contain hash", hash, cache.get(path)); |
| } |
| |
| @Test |
| public void whenNotifiedOfOverflowEventCacheIsCleared() throws IOException { |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache(new FakeProjectFilesystem()); |
| Path path = new File("SomeClass.java").toPath(); |
| HashCode hash = HashCode.fromInt(42); |
| cache.loadingCache.put(path, hash); |
| cache.onFileSystemChange(createOverflowEvent()); |
| assertFalse("Cache should not contain path", cache.contains(path)); |
| } |
| |
| @Test |
| public void whenNotifiedOfCreateEventCacheEntryIsRemoved() throws IOException { |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache(new FakeProjectFilesystem()); |
| Path path = Paths.get("SomeClass.java"); |
| HashCode hash = HashCode.fromInt(42); |
| cache.loadingCache.put(path, hash); |
| cache.onFileSystemChange(createPathEvent(path, StandardWatchEventKinds.ENTRY_CREATE)); |
| assertFalse("Cache should not contain path", cache.contains(path)); |
| } |
| |
| @Test |
| public void whenNotifiedOfChangeEventCacheEntryIsRemoved() throws IOException { |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache(new FakeProjectFilesystem()); |
| Path path = Paths.get("SomeClass.java"); |
| HashCode hash = HashCode.fromInt(42); |
| cache.loadingCache.put(path, hash); |
| cache.onFileSystemChange(createPathEvent(path, StandardWatchEventKinds.ENTRY_MODIFY)); |
| assertFalse("Cache should not contain path", cache.contains(path)); |
| } |
| |
| @Test |
| public void whenNotifiedOfDeleteEventCacheEntryIsRemoved() throws IOException { |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache(new FakeProjectFilesystem()); |
| Path path = Paths.get("SomeClass.java"); |
| HashCode hash = HashCode.fromInt(42); |
| cache.loadingCache.put(path, hash); |
| cache.onFileSystemChange(createPathEvent(path, StandardWatchEventKinds.ENTRY_DELETE)); |
| assertFalse("Cache should not contain path", cache.contains(path)); |
| } |
| |
| @Test |
| public void whenPathIsIgnoredThenCacheDoesNotContainPath() throws IOException { |
| String ignoredFolder = "buck-out"; |
| String ignoredFile = ignoredFolder + "/SomeClass.java"; |
| DefaultFileHashCache cache = |
| new DefaultFileHashCache( |
| new ProjectFilesystem( |
| tmp.getRoot().toPath(), |
| ImmutableSet.of(tmp.newFolder(ignoredFolder).toPath()))); |
| File inputFile = tmp.newFile(ignoredFile); |
| Files.write("class SomeClass {}".getBytes(Charsets.US_ASCII), inputFile); |
| cache.get(Paths.get(ignoredFile)); |
| assertFalse("Cache should not contain path.", cache.contains(inputFile.toPath())); |
| } |
| } |