Examples with Failure org.apache.lucene.store.MockDirectoryWrapper.Failure used on opensource projects

Example 1 with Failure

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

the class TestIndexWriterOnVMError method testUnknownError.

public void testUnknownError() throws Exception {
    final Random r = new Random(random().nextLong());
    doTest(new Failure() {

        @Override
        public void eval(MockDirectoryWrapper dir) throws IOException {
            if (r.nextInt(3000) == 0) {
                StackTraceElement[] stack = Thread.currentThread().getStackTrace();
                boolean ok = false;
                for (int i = 0; i < stack.length; i++) {
                    if (stack[i].getClassName().equals(IndexWriter.class.getName())) {
                        ok = true;
                    }
                }
                if (ok) {
                    throw new UnknownError("Fake UnknownError");
                }
            }
        }
    });
}

Example 2 with Failure

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

the class BaseSegmentInfoFormatTestCase method testExceptionOnOpenInput.

/** 
   * Test segment infos read that hits exception immediately on open.
   * make sure we get our exception back, no file handle leaks, etc. 
   */
public void testExceptionOnOpenInput() throws Exception {
    Failure fail = new Failure() {

        @Override
        public void eval(MockDirectoryWrapper dir) throws IOException {
            for (StackTraceElement e : Thread.currentThread().getStackTrace()) {
                if (doFail && "openInput".equals(e.getMethodName())) {
                    throw new FakeIOException();
                }
            }
        }
    };
    MockDirectoryWrapper dir = newMockDirectory();
    dir.failOn(fail);
    Codec codec = getCodec();
    byte[] id = StringHelper.randomId();
    SegmentInfo info = new SegmentInfo(dir, getVersions()[0], getVersions()[0], "_123", 1, false, codec, Collections.<String, String>emptyMap(), id, new HashMap<>(), null);
    info.setFiles(Collections.<String>emptySet());
    codec.segmentInfoFormat().write(dir, info, IOContext.DEFAULT);
    fail.setDoFail();
    expectThrows(FakeIOException.class, () -> {
        codec.segmentInfoFormat().read(dir, "_123", id, IOContext.DEFAULT);
    });
    fail.clearDoFail();
    dir.close();
}

Example 3 with Failure

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

the class BaseSegmentInfoFormatTestCase method testExceptionOnCloseInput.

/** 
   * Test segment infos read that hits exception on close
   * make sure we get our exception back, no file handle leaks, etc. 
   */
public void testExceptionOnCloseInput() throws Exception {
    Failure fail = new Failure() {

        @Override
        public void eval(MockDirectoryWrapper dir) throws IOException {
            for (StackTraceElement e : Thread.currentThread().getStackTrace()) {
                if (doFail && "close".equals(e.getMethodName())) {
                    throw new FakeIOException();
                }
            }
        }
    };
    MockDirectoryWrapper dir = newMockDirectory();
    dir.failOn(fail);
    Codec codec = getCodec();
    byte[] id = StringHelper.randomId();
    SegmentInfo info = new SegmentInfo(dir, getVersions()[0], getVersions()[0], "_123", 1, false, codec, Collections.<String, String>emptyMap(), id, new HashMap<>(), null);
    info.setFiles(Collections.<String>emptySet());
    codec.segmentInfoFormat().write(dir, info, IOContext.DEFAULT);
    fail.setDoFail();
    expectThrows(FakeIOException.class, () -> {
        codec.segmentInfoFormat().read(dir, "_123", id, IOContext.DEFAULT);
    });
    fail.clearDoFail();
    dir.close();
}

Example 4 with Failure

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

the class BaseFieldInfoFormatTestCase method testExceptionOnCloseInput.

/** 
   * Test field infos read that hits exception on close.
   * make sure we get our exception back, no file handle leaks, etc. 
   */
public void testExceptionOnCloseInput() throws Exception {
    Failure fail = new Failure() {

        @Override
        public void eval(MockDirectoryWrapper dir) throws IOException {
            for (StackTraceElement e : Thread.currentThread().getStackTrace()) {
                if (doFail && "close".equals(e.getMethodName())) {
                    throw new FakeIOException();
                }
            }
        }
    };
    MockDirectoryWrapper dir = newMockDirectory();
    dir.failOn(fail);
    Codec codec = getCodec();
    SegmentInfo segmentInfo = newSegmentInfo(dir, "_123");
    FieldInfos.Builder builder = new FieldInfos.Builder();
    FieldInfo fi = builder.getOrAdd("field");
    fi.setIndexOptions(TextField.TYPE_STORED.indexOptions());
    addAttributes(fi);
    FieldInfos infos = builder.finish();
    codec.fieldInfosFormat().write(dir, segmentInfo, "", infos, IOContext.DEFAULT);
    fail.setDoFail();
    expectThrows(FakeIOException.class, () -> {
        codec.fieldInfosFormat().read(dir, segmentInfo, "", IOContext.DEFAULT);
    });
    fail.clearDoFail();
    dir.close();
}

Example 5 with Failure

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

the class BaseFieldInfoFormatTestCase method testExceptionOnCloseOutput.

/** 
   * Test field infos write that hits exception on close.
   * make sure we get our exception back, no file handle leaks, etc. 
   */
public void testExceptionOnCloseOutput() throws Exception {
    Failure fail = new Failure() {

        @Override
        public void eval(MockDirectoryWrapper dir) throws IOException {
            for (StackTraceElement e : Thread.currentThread().getStackTrace()) {
                if (doFail && "close".equals(e.getMethodName())) {
                    throw new FakeIOException();
                }
            }
        }
    };
    MockDirectoryWrapper dir = newMockDirectory();
    dir.failOn(fail);
    Codec codec = getCodec();
    SegmentInfo segmentInfo = newSegmentInfo(dir, "_123");
    FieldInfos.Builder builder = new FieldInfos.Builder();
    FieldInfo fi = builder.getOrAdd("field");
    fi.setIndexOptions(TextField.TYPE_STORED.indexOptions());
    addAttributes(fi);
    FieldInfos infos = builder.finish();
    fail.setDoFail();
    expectThrows(FakeIOException.class, () -> {
        codec.fieldInfosFormat().write(dir, segmentInfo, "", infos, IOContext.DEFAULT);
    });
    fail.clearDoFail();
    dir.close();
}