Examples with FileInStream alluxio.client.file.FileInStream used on opensource projects

Example 96 with FileInStream

use of alluxio.client.file.FileInStream in project alluxio by Alluxio.

the class UnderFileSystemBlockInStreamIntegrationTest method seek.

/**
   * Tests {@link UnderFileSystemBlockInStream#seek(long)}.
   */
@Test
public void seek() throws Exception {
    String uniqPath = PathUtils.uniqPath();
    for (int k = MIN_LEN + DELTA; k <= MAX_LEN; k += DELTA) {
        AlluxioURI uri = new AlluxioURI(uniqPath + "/file_" + k);
        FileSystemTestUtils.createByteFile(mFileSystem, uri, mWriteUnderStore, k);
        FileInStream is = mFileSystem.openFile(uri, mReadCache);
        Assert.assertEquals(0, is.read());
        is.seek(k / 3);
        Assert.assertEquals(k / 3, is.read());
        is.seek(k / 2);
        Assert.assertEquals(k / 2, is.read());
        is.seek(k / 4);
        Assert.assertEquals(k / 4, is.read());
        is.close();
    }
}

Example 97 with FileInStream

use of alluxio.client.file.FileInStream in project alluxio by Alluxio.

the class RemoteBlockInStreamIntegrationTest method seekExceptionTest1.

/**
   * Tests {@link RemoteBlockInStream#seek(long)}. Validate the expected exception for seeking a
   * negative position.
   */
@Test
public void seekExceptionTest1() throws Exception {
    mThrown.expect(IllegalArgumentException.class);
    mThrown.expectMessage(String.format(PreconditionMessage.ERR_SEEK_NEGATIVE.toString(), -1));
    String uniqPath = PathUtils.uniqPath();
    for (int k = MIN_LEN; k <= MAX_LEN; k += DELTA) {
        AlluxioURI uri = new AlluxioURI(uniqPath + "/file_" + k);
        FileSystemTestUtils.createByteFile(mFileSystem, uri, mWriteUnderStore, k);
        try (FileInStream is = mFileSystem.openFile(uri, mReadNoCache)) {
            is.seek(-1);
        }
    }
}

Example 98 with FileInStream

use of alluxio.client.file.FileInStream in project alluxio by Alluxio.

the class FileInStreamIntegrationTest method readEndOfFile.

/**
   * Tests {@link FileInStream#read(byte[], int, int)} for end of file.
   */
@Test
public void readEndOfFile() throws Exception {
    for (int k = MIN_LEN; k <= MAX_LEN; k += DELTA) {
        for (CreateFileOptions op : getOptionSet()) {
            String filename = sTestPath + "/file_" + k + "_" + op.hashCode();
            AlluxioURI uri = new AlluxioURI(filename);
            try (FileInStream is = sFileSystem.openFile(uri, FileSystemTestUtils.toOpenFileOptions(op))) {
                byte[] ret = new byte[k / 2];
                int readBytes = is.read(ret, 0, k / 2);
                while (readBytes != -1) {
                    readBytes = is.read(ret);
                    Assert.assertTrue(0 != readBytes);
                }
                Assert.assertEquals(-1, readBytes);
            }
        }
    }
}

Example 99 with FileInStream

use of alluxio.client.file.FileInStream in project alluxio by Alluxio.

the class FileInStreamIntegrationTest method readTest3.

/**
   * Tests {@link FileInStream#read(byte[], int, int)}.
   */
@Test
public void readTest3() throws Exception {
    for (int k = MIN_LEN; k <= MAX_LEN; k += DELTA) {
        for (CreateFileOptions op : getOptionSet()) {
            String filename = sTestPath + "/file_" + k + "_" + op.hashCode();
            AlluxioURI uri = new AlluxioURI(filename);
            FileInStream is = sFileSystem.openFile(uri, FileSystemTestUtils.toOpenFileOptions(op));
            byte[] ret = new byte[k / 2];
            Assert.assertEquals(k / 2, is.read(ret, 0, k / 2));
            Assert.assertTrue(BufferUtils.equalIncreasingByteArray(k / 2, ret));
            is.close();
            is = sFileSystem.openFile(uri, FileSystemTestUtils.toOpenFileOptions(op));
            ret = new byte[k];
            Assert.assertEquals(k, is.read(ret, 0, k));
            Assert.assertTrue(BufferUtils.equalIncreasingByteArray(k, ret));
            is.close();
        }
    }
}

Example 100 with FileInStream

use of alluxio.client.file.FileInStream in project alluxio by Alluxio.

the class FileInStreamIntegrationTest method readTest1.

/**
   * Tests {@link FileInStream#read()} across block boundary.
   */
@Test
public void readTest1() throws Exception {
    for (int k = MIN_LEN; k <= MAX_LEN; k += DELTA) {
        for (CreateFileOptions op : getOptionSet()) {
            String filename = sTestPath + "/file_" + k + "_" + op.hashCode();
            AlluxioURI uri = new AlluxioURI(filename);
            FileInStream is = sFileSystem.openFile(uri, FileSystemTestUtils.toOpenFileOptions(op));
            byte[] ret = new byte[k];
            int value = is.read();
            int cnt = 0;
            while (value != -1) {
                Assert.assertTrue(value >= 0);
                Assert.assertTrue(value < 256);
                ret[cnt++] = (byte) value;
                value = is.read();
            }
            Assert.assertEquals(cnt, k);
            Assert.assertTrue(BufferUtils.equalIncreasingByteArray(k, ret));
            is.close();
            is = sFileSystem.openFile(uri, FileSystemTestUtils.toOpenFileOptions(op));
            ret = new byte[k];
            value = is.read();
            cnt = 0;
            while (value != -1) {
                Assert.assertTrue(value >= 0);
                Assert.assertTrue(value < 256);
                ret[cnt++] = (byte) value;
                value = is.read();
            }
            Assert.assertEquals(cnt, k);
            Assert.assertTrue(BufferUtils.equalIncreasingByteArray(k, ret));
            is.close();
        }
    }
}