/*
* Copyright 2013 Google 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.google.common.jimfs;
import static com.google.common.jimfs.PathSubject.paths;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assert_;
import org.junit.After;
import org.junit.Before;
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
/**
* @author Colin Decker
*/
public abstract class AbstractJimfsIntegrationTest {
protected FileSystem fs;
@Before
public void setUp() throws IOException {
fs = createFileSystem();
}
@After
public void tearDown() throws IOException {
fs.close();
}
/**
* Creates the file system to use in the tests.
*/
protected abstract FileSystem createFileSystem();
// helpers
protected Path path(String first, String... more) {
return fs.getPath(first, more);
}
protected Object getFileKey(String path, LinkOption... options) throws IOException {
return Files.getAttribute(path(path), "fileKey", options);
}
protected PathSubject assertThatPath(String path, LinkOption... options) {
return assertThatPath(path(path), options);
}
protected static PathSubject assertThatPath(Path path, LinkOption... options) {
PathSubject subject = assert_().about(paths()).that(path);
if (options.length != 0) {
subject = subject.noFollowLinks();
}
return subject;
}
/**
* Tester for testing changes in file times.
*/
protected static final class FileTimeTester {
private final Path path;
private FileTime accessTime;
private FileTime modifiedTime;
FileTimeTester(Path path) throws IOException {
this.path = path;
BasicFileAttributes attrs = attrs();
accessTime = attrs.lastAccessTime();
modifiedTime = attrs.lastModifiedTime();
}
private BasicFileAttributes attrs() throws IOException {
return Files.readAttributes(path, BasicFileAttributes.class);
}
public void assertAccessTimeChanged() throws IOException {
FileTime t = attrs().lastAccessTime();
assertThat(t).isNotEqualTo(accessTime);
accessTime = t;
}
public void assertAccessTimeDidNotChange() throws IOException {
FileTime t = attrs().lastAccessTime();
assertThat(t).isEqualTo(accessTime);
}
public void assertModifiedTimeChanged() throws IOException {
FileTime t = attrs().lastModifiedTime();
assertThat(t).isNotEqualTo(modifiedTime);
modifiedTime = t;
}
public void assertModifiedTimeDidNotChange() throws IOException {
FileTime t = attrs().lastModifiedTime();
assertThat(t).isEqualTo(modifiedTime);
}
}
}