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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.file;
import com.yahoo.vespa.test.file.TestFileSystem;
import org.junit.jupiter.api.Test;
import java.nio.file.FileSystem;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author hakonhall
*/
public class FileSnapshotTest {
private final FileSystem fileSystem = TestFileSystem.create();
private final UnixPath path = new UnixPath(fileSystem.getPath("/var/lib/file.txt"));
private FileSnapshot fileSnapshot = FileSnapshot.forPath(path.toPath());
@Test
void fileDoesNotExist() {
assertFalse(fileSnapshot.exists());
assertFalse(fileSnapshot.attributes().isPresent());
assertFalse(fileSnapshot.content().isPresent());
assertEquals(path.toPath(), fileSnapshot.path());
}
@Test
void directory() {
path.createParents().createDirectory();
fileSnapshot = fileSnapshot.snapshot();
assertTrue(fileSnapshot.exists());
assertTrue(fileSnapshot.attributes().isPresent());
assertTrue(fileSnapshot.attributes().get().isDirectory());
}
@Test
void regularFile() {
path.createParents().writeUtf8File("file content");
fileSnapshot = fileSnapshot.snapshot();
assertTrue(fileSnapshot.exists());
assertTrue(fileSnapshot.attributes().isPresent());
assertTrue(fileSnapshot.attributes().get().isRegularFile());
assertTrue(fileSnapshot.utf8Content().isPresent());
assertEquals("file content", fileSnapshot.utf8Content().get());
FileSnapshot newFileSnapshot = fileSnapshot.snapshot();
assertSame(fileSnapshot, newFileSnapshot);
}
@Test
void fileRemoval() {
path.createParents().writeUtf8File("file content");
fileSnapshot = fileSnapshot.snapshot();
assertTrue(fileSnapshot.exists());
path.deleteIfExists();
fileSnapshot = fileSnapshot.snapshot();
assertFalse(fileSnapshot.exists());
}
}
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