Examples with RAMInputStream org.apache.lucene.store.RAMInputStream used on opensource projects

Example 11 with RAMInputStream

use of org.apache.lucene.store.RAMInputStream in project lucene-solr by apache.

the class TestCodecUtil method testTruncatedFileThrowsCorruptIndexException.

public void testTruncatedFileThrowsCorruptIndexException() throws IOException {
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, false);
    output.close();
    IndexInput input = new RAMInputStream("file", file);
    CorruptIndexException e = expectThrows(CorruptIndexException.class, () -> CodecUtil.checksumEntireFile(input));
    assertEquals("misplaced codec footer (file truncated?): length=0 but footerLength==16 (resource=RAMInputStream(name=file))", e.getMessage());
    e = expectThrows(CorruptIndexException.class, () -> CodecUtil.retrieveChecksum(input));
    assertEquals("misplaced codec footer (file truncated?): length=0 but footerLength==16 (resource=RAMInputStream(name=file))", e.getMessage());
}

Example 12 with RAMInputStream

use of org.apache.lucene.store.RAMInputStream in project lucene-solr by apache.

the class TestCodecUtil method testCheckFooterInvalid.

public void testCheckFooterInvalid() throws Exception {
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, true);
    CodecUtil.writeHeader(output, "FooBar", 5);
    output.writeString("this is the data");
    output.writeInt(CodecUtil.FOOTER_MAGIC);
    output.writeInt(0);
    // write a bogus checksum
    output.writeLong(1234567);
    output.close();
    ChecksumIndexInput input = new BufferedChecksumIndexInput(new RAMInputStream("file", file));
    CodecUtil.checkHeader(input, "FooBar", 5, 5);
    assertEquals("this is the data", input.readString());
    Exception mine = new RuntimeException("fake exception");
    RuntimeException expected = expectThrows(RuntimeException.class, () -> {
        CodecUtil.checkFooter(input, mine);
    });
    assertEquals("fake exception", expected.getMessage());
    Throwable[] suppressed = expected.getSuppressed();
    assertEquals(1, suppressed.length);
    assertTrue(suppressed[0].getMessage().contains("checksum failed"));
    input.close();
}

Example 13 with RAMInputStream

use of org.apache.lucene.store.RAMInputStream in project lucene-solr by apache.

the class TestCodecUtil method testCheckFooterValidAtFooter.

public void testCheckFooterValidAtFooter() throws Exception {
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, true);
    CodecUtil.writeHeader(output, "FooBar", 5);
    output.writeString("this is the data");
    CodecUtil.writeFooter(output);
    output.close();
    ChecksumIndexInput input = new BufferedChecksumIndexInput(new RAMInputStream("file", file));
    CodecUtil.checkHeader(input, "FooBar", 5, 5);
    assertEquals("this is the data", input.readString());
    Exception mine = new RuntimeException("fake exception");
    RuntimeException expected = expectThrows(RuntimeException.class, () -> {
        CodecUtil.checkFooter(input, mine);
    });
    assertEquals("fake exception", expected.getMessage());
    Throwable[] suppressed = expected.getSuppressed();
    assertEquals(1, suppressed.length);
    assertTrue(suppressed[0].getMessage().contains("checksum passed"));
    input.close();
}

Example 14 with RAMInputStream

use of org.apache.lucene.store.RAMInputStream in project lucene-solr by apache.

the class TestCodecUtil method testChecksumEntireFile.

public void testChecksumEntireFile() throws Exception {
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, true);
    CodecUtil.writeHeader(output, "FooBar", 5);
    output.writeString("this is the data");
    CodecUtil.writeFooter(output);
    output.close();
    IndexInput input = new RAMInputStream("file", file);
    CodecUtil.checksumEntireFile(input);
    input.close();
}

Example 15 with RAMInputStream

use of org.apache.lucene.store.RAMInputStream in project lucene-solr by apache.

the class TestCodecUtil method testReadHeaderWrongMagic.

public void testReadHeaderWrongMagic() throws Exception {
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, true);
    output.writeInt(1234);
    output.close();
    IndexInput input = new RAMInputStream("file", file);
    expectThrows(CorruptIndexException.class, () -> {
        CodecUtil.checkHeader(input, "bogus", 1, 1);
    });
}