/
JWTestFilesystems.java
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/
JWTestFilesystems.java
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/*
* Copyright © 2020 Mark Raynsford <code@io7m.com> http://io7m.com
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package com.io7m.jwheatsheaf.tests;
import com.github.marschall.memoryfilesystem.MemoryFileSystemBuilder;
import com.github.marschall.memoryfilesystem.MemoryFileSystemProperties;
import com.github.marschall.memoryfilesystem.StringTransformer;
import com.github.marschall.memoryfilesystem.StringTransformers;
import org.mockito.Mockito;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
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.DosFileAttributeView;
import java.nio.file.attribute.FileTime;
import java.nio.file.spi.FileSystemProvider;
import java.util.List;
import java.util.Map;
import java.util.Objects;
public final class JWTestFilesystems
{
private final Map<String, FileSystem> filesystems;
private JWTestFilesystems(
final Map<String, FileSystem> inFilesystems)
{
this.filesystems =
Objects.requireNonNull(inFilesystems, "filesystems");
}
public static JWTestFilesystems create()
throws IOException
{
final var filesystems =
Map.ofEntries(
Map.entry("ExampleDOS", createDosFilesystem()),
Map.entry("Default", FileSystems.getDefault()),
Map.entry("Broken", createBrokenFilesystem()),
Map.entry("BrokenFiles", createBrokenFilesFilesystem())
);
return new JWTestFilesystems(filesystems);
}
private static FileSystem createBrokenFilesystem()
throws IOException
{
final var provider =
Mockito.mock(FileSystemProvider.class);
final var filesystem =
Mockito.mock(FileSystem.class);
final var path =
Mockito.mock(Path.class);
final var attributes =
Mockito.mock(BasicFileAttributes.class);
Mockito.when(attributes.lastModifiedTime())
.thenReturn(FileTime.fromMillis(0L));
Mockito.when(filesystem.provider())
.thenReturn(provider);
Mockito.when(path.getFileSystem())
.thenReturn(filesystem);
Mockito.when(filesystem.getPath(Mockito.anyString()))
.thenReturn(path);
Mockito.when(provider.readAttributes(
path,
BasicFileAttributes.class,
LinkOption.NOFOLLOW_LINKS))
.thenReturn(attributes);
Mockito.when(provider.readAttributes(path, BasicFileAttributes.class))
.thenReturn(attributes);
Mockito.when(provider.newDirectoryStream(Mockito.any(), Mockito.any()))
.thenThrow(new IOException());
return filesystem;
}
private static FileSystem createBrokenFilesFilesystem()
throws IOException
{
final var provider =
Mockito.mock(FileSystemProvider.class);
final var filesystem =
Mockito.mock(FileSystem.class);
final var path =
Mockito.mock(Path.class);
final var attributes =
Mockito.mock(BasicFileAttributes.class);
final var directoryStream =
Mockito.mock(DirectoryStream.class);
Mockito.when(directoryStream.iterator())
.thenReturn(List.of(path).iterator());
Mockito.when(attributes.lastModifiedTime())
.thenReturn(FileTime.fromMillis(0L));
Mockito.when(filesystem.provider())
.thenReturn(provider);
Mockito.when(path.getFileSystem())
.thenReturn(filesystem);
Mockito.when(filesystem.getPath(Mockito.anyString()))
.thenReturn(path);
Mockito.when(provider.readAttributes(
path,
BasicFileAttributes.class,
LinkOption.NOFOLLOW_LINKS))
.thenReturn(attributes);
Mockito.when(provider.readAttributes(path, BasicFileAttributes.class))
.thenReturn(attributes);
Mockito.when(provider.newDirectoryStream(Mockito.any(), Mockito.any()))
.thenReturn(directoryStream);
return filesystem;
}
private static FileSystem createDosFilesystem()
throws IOException
{
final FileSystem filesystem =
MemoryFileSystemBuilder.newEmpty()
.addRoot("Z:\\")
.setSeparator("\\")
.addUser("GROUCH")
.addGroup("SYSTEM")
.addFileAttributeView(DosFileAttributeView.class)
.setCurrentWorkingDirectory("Z:\\USERS\\GROUCH")
.setStoreTransformer(StringTransformers.IDENTIY)
.setCaseSensitive(false)
.setFileTimeResolution(MemoryFileSystemProperties.WINDOWS_RESOLUTION)
.addForbiddenCharacter('\\')
.addForbiddenCharacter('/')
.addForbiddenCharacter(':')
.addForbiddenCharacter('*')
.addForbiddenCharacter('?')
.addForbiddenCharacter('"')
.addForbiddenCharacter('<')
.addForbiddenCharacter('>')
.addForbiddenCharacter('|')
.addRoot("Y:\\")
.addRoot("X:\\")
.setCaseSensitive(false)
.setStoreTransformer(new StringTransformer()
{
@Override
public String transform(final String s)
{
return s.toUpperCase();
}
@Override
public int getRegexFlags()
{
return 0;
}
})
.build();
Files.createDirectories(filesystem.getPath("Z:\\HOME"));
Files.writeString(filesystem.getPath("Z:\\HOME", "FILE.TXT"), "FILE!");
Files.createDirectories(filesystem.getPath("DOC"));
Files.writeString(filesystem.getPath("README.TXT"), "HELLO!");
Files.writeString(filesystem.getPath("DATA.XML"), "Some data.");
Files.writeString(filesystem.getPath("PHOTO.JPG"), "☺");
return filesystem;
}
public Map<String, FileSystem> filesystems()
{
return this.filesystems;
}
}