Examples with FileSystem java.nio.file.FileSystem used on opensource projects

Example 6 with FileSystem

use of java.nio.file.FileSystem in project buck by facebook.

the class StackedDownloaderTest method createDownloadersForEachEntryInTheMavenRepositoriesSection.

@Test
public void createDownloadersForEachEntryInTheMavenRepositoriesSection() throws IOException {
    boolean isWindows = Platform.detect() == Platform.WINDOWS;
    Configuration configuration = isWindows ? Configuration.windows() : Configuration.unix();
    FileSystem vfs = Jimfs.newFileSystem(configuration);
    Path m2Root = vfs.getPath(jimfAbsolutePath("/home/user/.m2/repository"));
    Files.createDirectories(m2Root);
    // Set up a config so we expect to see both a local and a remote maven repo.
    Path projectRoot = vfs.getPath(jimfAbsolutePath("/opt/local/src"));
    Files.createDirectories(projectRoot);
    BuckConfig config = FakeBuckConfig.builder().setFilesystem(new ProjectFilesystem(projectRoot)).setSections("[maven_repositories]", "local = " + m2Root.toString(), "central = https://repo1.maven.org/maven2").build();
    Downloader downloader = StackedDownloader.createFromConfig(config, Optional.empty());
    List<Downloader> downloaders = unpackDownloaders(downloader);
    boolean seenRemote = false;
    boolean seenLocal = false;
    for (Downloader seen : downloaders) {
        if (seen instanceof RemoteMavenDownloader) {
            seenRemote = true;
        } else if (seen instanceof OnDiskMavenDownloader) {
            seenLocal = true;
        }
    }
    assertTrue(seenLocal);
    assertTrue(seenRemote);
}

Example 7 with FileSystem

use of java.nio.file.FileSystem in project buck by facebook.

the class AsynchronousDirectoryContentsCleanerTest method contentsOfTrashDirectoryCleanedAsynchronously.

@Test
public void contentsOfTrashDirectoryCleanedAsynchronously() throws Exception {
    FileSystem vfs = Jimfs.newFileSystem(Configuration.unix());
    Path dirToDelete = vfs.getPath("/tmp/fake-tmp-dir");
    Path fooDir = dirToDelete.resolve("foo");
    Path fooBarDir = fooDir.resolve("bar");
    Files.createDirectories(fooBarDir.resolve("baz"));
    Path fooBarBlechTxtFile = fooBarDir.resolve("blech.txt");
    Files.write(fooBarBlechTxtFile, "hello world\n".getBytes(UTF_8));
    AsynchronousDirectoryContentsCleaner cleaner = new AsynchronousDirectoryContentsCleaner(MoreExecutors.directExecutor());
    assertThat(Files.exists(dirToDelete), is(true));
    assertThat(Files.exists(fooBarDir), is(true));
    assertThat(Files.exists(fooBarBlechTxtFile), is(true));
    // This executes synchronously, since we passed in a direct executor above.
    cleaner.startCleaningDirectory(dirToDelete);
    assertThat(Files.exists(dirToDelete), is(true));
    assertThat(Files.exists(fooBarDir), is(false));
    assertThat(Files.exists(fooBarBlechTxtFile), is(false));
}

Example 8 with FileSystem

use of java.nio.file.FileSystem in project buck by facebook.

the class MoreFilesTest method deleteRecursivelyContentsOnlyLeavesParentDirectory.

@Test
public void deleteRecursivelyContentsOnlyLeavesParentDirectory() throws IOException {
    FileSystem vfs = Jimfs.newFileSystem(Configuration.unix());
    Path fakeTmpDir = vfs.getPath("/tmp/fake-tmp-dir");
    Path dirToDelete = fakeTmpDir.resolve("delete-me");
    Path childDir = dirToDelete.resolve("child-dir");
    Files.createDirectories(childDir);
    MoreFiles.deleteRecursivelyWithOptions(dirToDelete, EnumSet.of(MoreFiles.DeleteRecursivelyOptions.DELETE_CONTENTS_ONLY));
    assertThat(Files.exists(dirToDelete), is(true));
    assertThat(Files.exists(childDir), is(false));
}

Example 9 with FileSystem

use of java.nio.file.FileSystem in project buck by facebook.

the class MoreFilesTest method concatenatingTwoNonEmptyFilesReturnsTrueAndWritesConcatenatedFile.

@Test
public void concatenatingTwoNonEmptyFilesReturnsTrueAndWritesConcatenatedFile() throws Exception {
    FileSystem vfs = Jimfs.newFileSystem(Configuration.unix());
    Path fooPath = vfs.getPath("foo.txt");
    Files.write(fooPath, "hello world\n".getBytes(UTF_8));
    Path barPath = vfs.getPath("bar.txt");
    Files.write(barPath, "goodbye world\n".getBytes(UTF_8));
    Path outputPath = vfs.getPath("logs.txt");
    boolean concatenated = MoreFiles.concatenateFiles(outputPath, ImmutableList.of(fooPath, barPath));
    assertThat(concatenated, is(true));
    assertThat(Files.readAllLines(outputPath, UTF_8), Matchers.equalTo(ImmutableList.of("hello world", "goodbye world")));
}

Example 10 with FileSystem

use of java.nio.file.FileSystem in project buck by facebook.

the class ProjectFilesystemTest method getPathReturnsPathWithCorrectFilesystem.

@Test
public void getPathReturnsPathWithCorrectFilesystem() throws IOException {
    FileSystem vfs = Jimfs.newFileSystem(Configuration.unix());
    Path root = vfs.getPath("/root");
    Files.createDirectories(root);
    assertEquals(vfs, new ProjectFilesystem(root).getPath("bar").getFileSystem());
    assertEquals(vfs.getPath("bar"), new ProjectFilesystem(root).getPath("bar"));
}