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NIFI-3565 - Fixed BigDecimal instantiation and unit tests for specific locales 

Signed-off-by: Matt Burgess <mattyb149@apache.org>

This closes #1571
This commit is contained in:
Pierre Villard 2017-03-07 22:28:13 +01:00 committed by Matt Burgess
parent 37a1e6d07f
commit 0b73715562
2 changed files with 55 additions and 28 deletions
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7
nifi-nar-bundles/nifi-registry-bundle/nifi-registry-processors/src/main/java/org/apache/nifi/schemaregistry/processors/CSVUtils.java
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@ -25,6 +25,7 @@ import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
@ -157,7 +158,9 @@ class CSVUtils {
NumberFormat numberFormat = DecimalFormat.getInstance();
numberFormat.setGroupingUsed(false);
normalizeNumberFormat(numberFormat, scale, precision);
final String rawValue = new String(((ByteBuffer)fieldValue).array());
String rawValue = new String(((ByteBuffer)fieldValue).array());
// raw value needs to be parsed to ensure that BigDecimal will not throw an exception for specific locale
rawValue = numberFormat.parse(rawValue).toString();
out.write(numberFormat.format(new BigDecimal(rawValue)).getBytes(StandardCharsets.UTF_8));
} else {
out.write(fieldValue.toString().getBytes(StandardCharsets.UTF_8));
@ -167,7 +170,7 @@ class CSVUtils {
delimiterToUse = String.valueOf(delimiter);
}
}
} catch (IOException e) {
} catch (IOException | ParseException e) {
throw new IllegalStateException("Failed to parse AVRO Record", e);
}
}

76
nifi-nar-bundles/nifi-registry-bundle/nifi-registry-processors/src/test/java/org/apache/nifi/schemaregistry/processors/TransformersTest.java
View File

@ -22,9 +22,12 @@ import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericRecord;
@ -122,46 +125,21 @@ public class TransformersTest {
"input_csv/union_null_middle_field_with_default.txt,input_avro/union_and_matching_defaults.txt,expected_ouput_csv/union_null_middle_field_with_default.txt",
"input_csv/primitive_types.txt,input_avro/primitive_types_no_defaults.txt,expected_ouput_csv/primitive_types.txt",
"input_csv/primitive_types_with_matching_default.txt,input_avro/primitive_types_with_matching_default.txt,expected_ouput_csv/primitive_types_with_matching_default.txt",
"input_csv/decimal_logicalType.txt,input_avro/decimal_logicalType_valid_scale_with_no_default.txt,expected_ouput_csv/decimal_logicalType.txt",
"input_csv/decimal_logicalType.txt,input_avro/decimal_logicalType_invalid_scale_with_default.txt,expected_ouput_csv/decimal_logicalType_invalid_scale.txt",
"input_csv/decimal_logicalType_missing_value.txt,input_avro/decimal_logicalType_valid_scale_with_default.txt,expected_ouput_csv/decimal_logicalType_valid_scale_with_default.txt",
"input_csv/decimal_logicalType_missing_value.txt,input_avro/decimal_logicalType_invalid_scale_with_default.txt,expected_ouput_csv/decimal_logicalType_with_default.txt"})
public void testCSVRoundtrip(final String inputCSVFileName, final String inputAvroSchema, final String expectedOuput) throws Exception {
final String data = getResourceAsString(inputCSVFileName);
final String schemaText = getResourceAsString(inputAvroSchema);
final String result = getResourceAsString(expectedOuput);
Schema schema = new Schema.Parser().parse(schemaText);
// CSV -> AVRO -> CSV
ByteArrayInputStream in = new ByteArrayInputStream(data.getBytes());
GenericRecord record = CSVUtils.read(in, '|', schema, '\"');
ByteArrayOutputStream out = new ByteArrayOutputStream();
AvroUtils.write(record, out);
byte[] avro = out.toByteArray();
in = new ByteArrayInputStream(avro);
record = AvroUtils.read(in, schema);
out = new ByteArrayOutputStream();
CSVUtils.write(record, '|', out);
byte[] csv = out.toByteArray();
assertEquals(result, new String(csv, StandardCharsets.UTF_8));
csvRoundTrip(data, schemaText, result);
}
@Test
@Parameters({"input_csv/union_with_missing_value.txt,input_avro/union_and_mismatch_defaults.txt",
"input_csv/primitive_types_with_matching_default.txt,input_avro/primitive_types_with_mismatch_default.txt"})
public void testCSVMismatchDefaults(final String inputCSVFileName, final String inputAvroSchema) {
try {
final String data = getResourceAsString(inputCSVFileName);
final String schemaText = getResourceAsString(inputAvroSchema);
Schema schema = new Schema.Parser().parse(schemaText);
ByteArrayInputStream in = new ByteArrayInputStream(data.getBytes());
@ -171,7 +149,53 @@ public class TransformersTest {
}catch(IllegalArgumentException iae){
assertTrue(true);
}
}
@Test
public void testCSVRoundTrip() throws IOException {
NumberFormat numberFormat = DecimalFormat.getInstance();
numberFormat.setGroupingUsed(false);
((DecimalFormat) numberFormat).setParseBigDecimal(true);
//"input_csv/decimal_logicalType.txt,input_avro/decimal_logicalType_invalid_scale_with_default.txt,expected_ouput_csv/decimal_logicalType_invalid_scale.txt",
String decimalLogicalType = "\"fake_transactionid\"|" + numberFormat.format(new BigDecimal(11234567.89));
String data = getResourceAsString("input_csv/decimal_logicalType.txt");
String schemaText = getResourceAsString("input_avro/decimal_logicalType_invalid_scale_with_default.txt");
csvRoundTrip(data, schemaText, decimalLogicalType);
// needs to be set now because scale < precision
numberFormat.setMaximumIntegerDigits(10);
numberFormat.setMaximumFractionDigits(3);
numberFormat.setMinimumFractionDigits(3);
//"input_csv/decimal_logicalType.txt,input_avro/decimal_logicalType_valid_scale_with_no_default.txt,expected_ouput_csv/decimal_logicalType.txt",
decimalLogicalType = "\"fake_transactionid\"|" + numberFormat.format(new BigDecimal(11234567.890));
data = getResourceAsString("input_csv/decimal_logicalType.txt");
schemaText = getResourceAsString("input_avro/decimal_logicalType_valid_scale_with_no_default.txt");
//"input_csv/decimal_logicalType_missing_value.txt,input_avro/decimal_logicalType_valid_scale_with_default.txt,expected_ouput_csv/decimal_logicalType_valid_scale_with_default.txt",
decimalLogicalType = "\"fake_transactionid\"|" + numberFormat.format(new BigDecimal(0.000));
data = getResourceAsString("input_csv/decimal_logicalType_missing_value.txt");
schemaText = getResourceAsString("input_avro/decimal_logicalType_valid_scale_with_default.txt");
csvRoundTrip(data, schemaText, decimalLogicalType);
}
private void csvRoundTrip(final String data, final String schemaText, final String result) {
Schema schema = new Schema.Parser().parse(schemaText);
// CSV -> AVRO -> CSV
ByteArrayInputStream in = new ByteArrayInputStream(data.getBytes());
GenericRecord record = CSVUtils.read(in, '|', schema, '\"');
ByteArrayOutputStream out = new ByteArrayOutputStream();
AvroUtils.write(record, out);
byte[] avro = out.toByteArray();
in = new ByteArrayInputStream(avro);
record = AvroUtils.read(in, schema);
out = new ByteArrayOutputStream();
CSVUtils.write(record, '|', out);
byte[] csv = out.toByteArray();
assertEquals(result, new String(csv, StandardCharsets.UTF_8));
}
/**