Examples with ByteArrayOutputStream org.apache.nifi.stream.io.ByteArrayOutputStream used on opensource projects

Example 16 with ByteArrayOutputStream

use of org.apache.nifi.stream.io.ByteArrayOutputStream in project nifi by apache.

the class TestExtractAvroMetadata method testExtractionWithMD5.

@Test
public void testExtractionWithMD5() throws IOException {
    final TestRunner runner = TestRunners.newTestRunner(new ExtractAvroMetadata());
    runner.setProperty(ExtractAvroMetadata.FINGERPRINT_ALGORITHM, ExtractAvroMetadata.MD5);
    final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
    final ByteArrayOutputStream out = getOutputStreamWithOneUser(schema);
    runner.enqueue(out.toByteArray());
    runner.run();
    runner.assertAllFlowFilesTransferred(ExtractAvroMetadata.REL_SUCCESS, 1);
    final MockFlowFile flowFile = runner.getFlowFilesForRelationship(ExtractAvroMetadata.REL_SUCCESS).get(0);
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_FINGERPRINT_ATTR, "3c6a7bee8994be20314dd28c6a3af4f2");
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_TYPE_ATTR, Schema.Type.RECORD.getName());
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_NAME_ATTR, "User");
    flowFile.assertAttributeNotExists(AVRO_SCHEMA_ATTR);
}

Example 17 with ByteArrayOutputStream

use of org.apache.nifi.stream.io.ByteArrayOutputStream in project nifi by apache.

the class TestExtractAvroMetadata method testExtractionWithBadInput.

@Test
public void testExtractionWithBadInput() throws IOException {
    final TestRunner runner = TestRunners.newTestRunner(new ExtractAvroMetadata());
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    out.write("not avro".getBytes("UTF-8"));
    out.flush();
    runner.enqueue(out.toByteArray());
    runner.run();
    runner.assertAllFlowFilesTransferred(ExtractAvroMetadata.REL_FAILURE, 1);
}

Example 18 with ByteArrayOutputStream

use of org.apache.nifi.stream.io.ByteArrayOutputStream in project nifi by apache.

the class TestExtractAvroMetadata method testExtractionWithNonRecordSchema.

@Test
public void testExtractionWithNonRecordSchema() throws IOException {
    final TestRunner runner = TestRunners.newTestRunner(new ExtractAvroMetadata());
    runner.setProperty(ExtractAvroMetadata.COUNT_ITEMS, "true");
    final Schema schema = new Schema.Parser().parse(new File("src/test/resources/array.avsc"));
    final GenericData.Array<String> data = new GenericData.Array<>(schema, Arrays.asList("one", "two", "three"));
    final DatumWriter<GenericData.Array<String>> datumWriter = new GenericDatumWriter<>(schema);
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    final DataFileWriter<GenericData.Array<String>> dataFileWriter = new DataFileWriter<>(datumWriter);
    dataFileWriter.create(schema, out);
    dataFileWriter.append(data);
    dataFileWriter.append(data);
    dataFileWriter.close();
    runner.enqueue(out.toByteArray());
    runner.run();
    runner.assertAllFlowFilesTransferred(ExtractAvroMetadata.REL_SUCCESS, 1);
    final MockFlowFile flowFile = runner.getFlowFilesForRelationship(ExtractAvroMetadata.REL_SUCCESS).get(0);
    flowFile.assertAttributeExists(ExtractAvroMetadata.SCHEMA_FINGERPRINT_ATTR);
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_TYPE_ATTR, Schema.Type.ARRAY.getName());
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_NAME_ATTR, "array");
    // number of arrays, not elements
    flowFile.assertAttributeEquals(ExtractAvroMetadata.ITEM_COUNT_ATTR, "2");
}

Example 19 with ByteArrayOutputStream

use of org.apache.nifi.stream.io.ByteArrayOutputStream in project nifi by apache.

the class TestExtractAvroMetadata method testDefaultExtraction.

@Test
public void testDefaultExtraction() throws IOException {
    final TestRunner runner = TestRunners.newTestRunner(new ExtractAvroMetadata());
    final Schema schema = new Schema.Parser().parse(new File("src/test/resources/user.avsc"));
    final ByteArrayOutputStream out = getOutputStreamWithOneUser(schema);
    runner.enqueue(out.toByteArray());
    runner.run();
    runner.assertAllFlowFilesTransferred(ExtractAvroMetadata.REL_SUCCESS, 1);
    final MockFlowFile flowFile = runner.getFlowFilesForRelationship(ExtractAvroMetadata.REL_SUCCESS).get(0);
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_FINGERPRINT_ATTR, "b2d1d8d3de2833ce");
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_TYPE_ATTR, Schema.Type.RECORD.getName());
    flowFile.assertAttributeEquals(ExtractAvroMetadata.SCHEMA_NAME_ATTR, "User");
    flowFile.assertAttributeNotExists(AVRO_SCHEMA_ATTR);
    flowFile.assertAttributeNotExists(ExtractAvroMetadata.ITEM_COUNT_ATTR);
}

Example 20 with ByteArrayOutputStream

use of org.apache.nifi.stream.io.ByteArrayOutputStream in project nifi by apache.

the class TestSplitAvro method testRecordSplitWithNoIncomingRecords.

@Test
public void testRecordSplitWithNoIncomingRecords() throws IOException {
    final TestRunner runner = TestRunners.newTestRunner(new SplitAvro());
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    createUsers(0, out);
    runner.enqueue(out.toByteArray());
    runner.run();
    runner.assertTransferCount(SplitAvro.REL_SPLIT, 0);
    runner.assertTransferCount(SplitAvro.REL_ORIGINAL, 1);
    runner.assertTransferCount(SplitAvro.REL_FAILURE, 0);
}