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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.hosted.node.admin.component.TestTaskContext;
import com.yahoo.vespa.test.file.TestFileSystem;
import org.junit.Test;
import java.nio.file.FileSystem;
import java.nio.file.Files;
import java.nio.file.Path;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class FileSyncTest {
private final TestTaskContext taskContext = new TestTaskContext();
private final FileSystem fileSystem = TestFileSystem.create();
private final Path path = fileSystem.getPath("/dir/file.txt");
private final UnixPath unixPath = new UnixPath(path);
private final FileSync fileSync = new FileSync(path);
private String content = "content";
private int ownerId = 123; // default is 1
private int groupId = 456; // default is 2
private String permissions = "rw-r-xr--";
@Test
public void trivial() {
assertConvergence("Creating file /dir/file.txt",
"Changing user ID of /dir/file.txt from 1 to 123",
"Changing group ID of /dir/file.txt from 2 to 456",
"Changing permissions of /dir/file.txt from rw-r--r-- to rw-r-xr--");
content = "new-content";
assertConvergence("Patching file /dir/file.txt");
ownerId = 124;
assertConvergence("Changing user ID of /dir/file.txt from 123 to 124");
groupId = 457;
assertConvergence("Changing group ID of /dir/file.txt from 456 to 457");
permissions = "rwxr--rwx";
assertConvergence("Changing permissions of /dir/file.txt from rw-r-xr-- to " +
permissions);
}
private void assertConvergence(String... systemModificationMessages) {
PartialFileData fileData = PartialFileData.builder()
.withContent(content)
.withOwnerId(ownerId)
.withGroupId(groupId)
.withPermissions(permissions)
.create();
taskContext.clearSystemModificationLog();
assertTrue(fileSync.convergeTo(taskContext, fileData));
assertTrue(Files.isRegularFile(path));
fileData.getContent().ifPresent(content -> assertArrayEquals(content, unixPath.readBytes()));
fileData.getOwnerId().ifPresent(owner -> assertEquals((int) owner, unixPath.getOwnerId()));
fileData.getGroupId().ifPresent(group -> assertEquals((int) group, unixPath.getGroupId()));
fileData.getPermissions().ifPresent(permissions -> assertEquals(permissions, unixPath.getPermissions()));
List<String> actualMods = taskContext.getSystemModificationLog();
List<String> expectedMods = List.of(systemModificationMessages);
assertEquals(expectedMods, actualMods);
UnixPath unixPath = new UnixPath(path);
Instant lastModifiedTime = unixPath.getLastModifiedTime();
taskContext.clearSystemModificationLog();
assertFalse(fileSync.convergeTo(taskContext, fileData));
assertEquals(lastModifiedTime, unixPath.getLastModifiedTime());
actualMods = taskContext.getSystemModificationLog();
assertEquals(new ArrayList<>(), actualMods);
}
}
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