Example usage for org.apache.lucene.mockfile FilterPath FilterPath

Introduction

In this page you can find the example usage for org.apache.lucene.mockfile FilterPath FilterPath.

Prototype

public FilterPath(Path delegate, FileSystem fileSystem) 

Source Link

Document

Construct a FilterPath with parent fileSystem , based on the specified base path.

Usage

From source file:org.elasticsearch.core.internal.io.IOUtilsTests.java

License:Apache License

public void runTestRm(final boolean exception) throws IOException {
    final int numberOfLocations = randomIntBetween(0, 7);
    final Path[] locations = new Path[numberOfLocations];
    final List<Path> locationsThrowingException = new ArrayList<>(numberOfLocations);
    for (int i = 0; i < numberOfLocations; i++) {
        if (exception && randomBoolean()) {
            final Path location = createTempDir();
            final FileSystem fs = new AccessDeniedWhileDeletingFileSystem(location.getFileSystem())
                    .getFileSystem(URI.create("file:///"));
            final Path wrapped = new FilterPath(location, fs);
            locations[i] = wrapped.resolve(randomAlphaOfLength(8));
            Files.createDirectory(locations[i]);
            locationsThrowingException.add(locations[i]);
        } else {//from  w  w  w.  j a va 2s. co m
            // we create a tree of files that IOUtils#rm should delete
            locations[i] = createTempDir();
            Path location = locations[i];
            while (true) {
                location = Files.createDirectory(location.resolve(randomAlphaOfLength(8)));
                if (rarely() == false) {
                    Files.createTempFile(location, randomAlphaOfLength(8), null);
                    break;
                }
            }
        }
    }

    if (locationsThrowingException.isEmpty()) {
        IOUtils.rm(locations);
    } else {
        final IOException e = expectThrows(IOException.class, () -> IOUtils.rm(locations));
        assertThat(e, hasToString(
                containsString("could not remove the following files (in the order of attempts):")));
        for (final Path locationThrowingException : locationsThrowingException) {
            assertThat(e, hasToString(containsString(
                    "access denied while trying to delete file [" + locationThrowingException + "]")));
        }
    }

    for (int i = 0; i < numberOfLocations; i++) {
        if (locationsThrowingException.contains(locations[i]) == false) {
            assertFalse(locations[i].toString(), Files.exists(locations[i]));
        }
    }
}

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