-
Notifications
You must be signed in to change notification settings - Fork 2.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge remote-tracking branch 'upstream/3.2' into 3.3
- Loading branch information
Showing
6 changed files
with
182 additions
and
57 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
92 changes: 92 additions & 0 deletions
92
community/io/src/test/java/org/neo4j/test/rule/PageCacheAndDependenciesRule.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| * Copyright (c) 2002-2017 "Neo Technology," | ||
| * Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Neo4j is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU 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 General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.test.rule; | ||
|
|
||
| import org.junit.rules.RuleChain; | ||
| import org.junit.rules.TestRule; | ||
| import org.junit.runner.Description; | ||
| import org.junit.runners.model.Statement; | ||
|
|
||
| import java.util.function.Supplier; | ||
|
|
||
| import org.neo4j.io.fs.FileSystemAbstraction; | ||
| import org.neo4j.io.pagecache.PageCache; | ||
| import org.neo4j.test.rule.fs.EphemeralFileSystemRule; | ||
| import org.neo4j.test.rule.fs.FileSystemRule; | ||
|
|
||
| /** | ||
| * Very often when you want a {@link PageCacheRule} you also want {@link TestDirectory} and some {@link FileSystemRule}. | ||
| * This is tedious to write and apply in the correct order in every test doing this. This rule collects | ||
| * this threesome into one rule for convenience. | ||
| */ | ||
| public class PageCacheAndDependenciesRule implements TestRule | ||
| { | ||
| private final RuleChain chain; | ||
| private final FileSystemRule<? extends FileSystemAbstraction> fs; | ||
| private final TestDirectory directory; | ||
| private final PageCacheRule pageCacheRule = new PageCacheRule(); | ||
|
|
||
| public PageCacheAndDependenciesRule() | ||
| { | ||
| this( () -> new EphemeralFileSystemRule() ); | ||
| } | ||
|
|
||
| /** | ||
| * @param fsSupplier as {@link Supplier} to make it clear that it is this class that owns the created | ||
| * {@link FileSystemRule} instance. | ||
| */ | ||
| public PageCacheAndDependenciesRule( Supplier<FileSystemRule<? extends FileSystemAbstraction>> fsSupplier ) | ||
| { | ||
| this.fs = fsSupplier.get(); | ||
| this.directory = TestDirectory.testDirectory( fs ); | ||
| this.chain = RuleChain.outerRule( fs ).around( directory ).around( pageCacheRule ); | ||
| } | ||
|
|
||
| @Override | ||
| public Statement apply( Statement base, Description description ) | ||
| { | ||
| return chain.apply( base, description ); | ||
| } | ||
|
|
||
| public FileSystemRule<? extends FileSystemAbstraction> fileSystemRule() | ||
| { | ||
| return fs; | ||
| } | ||
|
|
||
| public FileSystemAbstraction fileSystem() | ||
| { | ||
| return fs.get(); | ||
| } | ||
|
|
||
| public TestDirectory directory() | ||
| { | ||
| return directory; | ||
| } | ||
|
|
||
| public PageCacheRule pageCacheRule() | ||
| { | ||
| return pageCacheRule; | ||
| } | ||
|
|
||
| public PageCache pageCache() | ||
| { | ||
| return pageCacheRule.getPageCache( fs ); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.