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

Example 56 with IndexOutput

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

the class TestCodecUtil method testWriteVeryLongSuffix.

public void testWriteVeryLongSuffix() throws Exception {
    StringBuilder justLongEnough = new StringBuilder();
    for (int i = 0; i < 255; i++) {
        justLongEnough.append('a');
    }
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, true);
    byte[] id = StringHelper.randomId();
    CodecUtil.writeIndexHeader(output, "foobar", 5, id, justLongEnough.toString());
    output.close();
    IndexInput input = new RAMInputStream("file", file);
    CodecUtil.checkIndexHeader(input, "foobar", 5, 5, id, justLongEnough.toString());
    assertEquals(input.getFilePointer(), input.length());
    assertEquals(input.getFilePointer(), CodecUtil.indexHeaderLength("foobar", justLongEnough.toString()));
    input.close();
}

Example 57 with IndexOutput

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

the class TestCodecUtil method testReadBogusCRC.

public void testReadBogusCRC() throws Exception {
    RAMFile file = new RAMFile();
    IndexOutput output = new RAMOutputStream(file, false);
    // bad
    output.writeLong(-1L);
    // bad
    output.writeLong(1L << 32);
    // bad
    output.writeLong(-(1L << 32));
    // ok
    output.writeLong((1L << 32) - 1);
    output.close();
    IndexInput input = new RAMInputStream("file", file);
    // read 3 bogus values
    for (int i = 0; i < 3; i++) {
        expectThrows(CorruptIndexException.class, () -> {
            CodecUtil.readCRC(input);
        });
    }
    // good value
    CodecUtil.readCRC(input);
}

Example 58 with IndexOutput

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

the class TestCodecUtil method testCheckFooterValidPastFooter.

public void testCheckFooterValidPastFooter() 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());
    // bogusly read a byte too far (can happen)
    input.readByte();
    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 status indeterminate"));
    input.close();
}

Example 59 with IndexOutput

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

the class TestIndexWriter method testOtherFiles.

//LUCENE-1468 -- make sure opening an IndexWriter with
// create=true does not remove non-index files
public void testOtherFiles() throws Throwable {
    Directory dir = newDirectory();
    IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(new MockAnalyzer(random())));
    iw.addDocument(new Document());
    iw.close();
    try {
        // Create my own random file:
        IndexOutput out = dir.createOutput("myrandomfile", newIOContext(random()));
        out.writeByte((byte) 42);
        out.close();
        new IndexWriter(dir, newIndexWriterConfig(new MockAnalyzer(random()))).close();
        assertTrue(slowFileExists(dir, "myrandomfile"));
    } finally {
        dir.close();
    }
}

Example 60 with IndexOutput

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

the class TestIndexWriter method testLeftoverTempFiles.

public void testLeftoverTempFiles() throws Exception {
    Directory dir = newDirectory();
    IndexWriterConfig iwc = new IndexWriterConfig(new MockAnalyzer(random()));
    IndexWriter w = new IndexWriter(dir, iwc);
    w.close();
    IndexOutput out = dir.createTempOutput("_0", "bkd", IOContext.DEFAULT);
    String tempName = out.getName();
    out.close();
    iwc = new IndexWriterConfig(new MockAnalyzer(random()));
    w = new IndexWriter(dir, iwc);
    // Make sure IW deleted the unref'd file:
    try {
        dir.openInput(tempName, IOContext.DEFAULT);
        fail("did not hit exception");
    } catch (FileNotFoundException | NoSuchFileException e) {
    // expected
    }
    w.close();
    dir.close();
}