use of org.apache.flink.core.fs.FileInputSplit in project flink by apache.
the class RowCsvInputFormatTest method testTailingEmptyFields.
@Test
public void testTailingEmptyFields() throws Exception {
String fileContent = "abc|-def|-ghijk\n" + "abc|-def|-\n" + "abc|-|-\n" + "|-|-|-\n" + "|-|-\n" + "abc|-def\n";
FileInputSplit split = createTempFile(fileContent);
TypeInformation[] fieldTypes = new TypeInformation[] { BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.STRING_TYPE_INFO };
RowCsvInputFormat format = new RowCsvInputFormat(PATH, fieldTypes, "\n", "|");
format.setFieldDelimiter("|-");
format.configure(new Configuration());
format.open(split);
Row result = new Row(3);
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("abc", result.getField(0));
assertEquals("def", result.getField(1));
assertEquals("ghijk", result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("abc", result.getField(0));
assertEquals("def", result.getField(1));
assertEquals("", result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("abc", result.getField(0));
assertEquals("", result.getField(1));
assertEquals("", result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("", result.getField(0));
assertEquals("", result.getField(1));
assertEquals("", result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("", result.getField(0));
assertEquals("", result.getField(1));
assertEquals("", result.getField(2));
try {
format.nextRecord(result);
fail("Parse Exception was not thrown! (Row too short)");
} catch (ParseException e) {
}
}
use of org.apache.flink.core.fs.FileInputSplit in project flink by apache.
the class RowCsvInputFormatTest method testIntegerFields.
@Test
public void testIntegerFields() throws Exception {
String fileContent = "111|222|333|444|555\n666|777|888|999|000|\n";
FileInputSplit split = createTempFile(fileContent);
TypeInformation[] fieldTypes = new TypeInformation[] { BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO };
RowCsvInputFormat format = new RowCsvInputFormat(PATH, fieldTypes, "\n", "|");
format.setFieldDelimiter("|");
format.configure(new Configuration());
format.open(split);
Row result = new Row(5);
result = format.nextRecord(result);
assertNotNull(result);
assertEquals(111, result.getField(0));
assertEquals(222, result.getField(1));
assertEquals(333, result.getField(2));
assertEquals(444, result.getField(3));
assertEquals(555, result.getField(4));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals(666, result.getField(0));
assertEquals(777, result.getField(1));
assertEquals(888, result.getField(2));
assertEquals(999, result.getField(3));
assertEquals(0, result.getField(4));
result = format.nextRecord(result);
assertNull(result);
assertTrue(format.reachedEnd());
}
use of org.apache.flink.core.fs.FileInputSplit in project flink by apache.
the class RowCsvInputFormatTest method readStringFieldsWithTrailingDelimiters.
@Test
public void readStringFieldsWithTrailingDelimiters() throws Exception {
String fileContent = "abc|-def|-ghijk\nabc|-|-hhg\n|-|-|-\n";
FileInputSplit split = createTempFile(fileContent);
TypeInformation[] fieldTypes = new TypeInformation[] { BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.STRING_TYPE_INFO };
RowCsvInputFormat format = new RowCsvInputFormat(PATH, fieldTypes, "\n", "|");
format.setFieldDelimiter("|-");
format.configure(new Configuration());
format.open(split);
Row result = new Row(3);
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("abc", result.getField(0));
assertEquals("def", result.getField(1));
assertEquals("ghijk", result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("abc", result.getField(0));
assertEquals("", result.getField(1));
assertEquals("hhg", result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals("", result.getField(0));
assertEquals("", result.getField(1));
assertEquals("", result.getField(2));
result = format.nextRecord(result);
assertNull(result);
assertTrue(format.reachedEnd());
}
use of org.apache.flink.core.fs.FileInputSplit in project flink by apache.
the class RowCsvInputFormatTest method testReadSparseWithPositionSetter.
@Test
public void testReadSparseWithPositionSetter() throws Exception {
String fileContent = "111|222|333|444|555|666|777|888|999|000|\n" + "000|999|888|777|666|555|444|333|222|111|";
FileInputSplit split = createTempFile(fileContent);
TypeInformation[] fieldTypes = new TypeInformation[] { BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO };
RowCsvInputFormat format = new RowCsvInputFormat(PATH, fieldTypes, new int[] { 0, 3, 7 });
format.setFieldDelimiter("|");
format.configure(new Configuration());
format.open(split);
Row result = new Row(3);
result = format.nextRecord(result);
assertNotNull(result);
assertEquals(111, result.getField(0));
assertEquals(444, result.getField(1));
assertEquals(888, result.getField(2));
result = format.nextRecord(result);
assertNotNull(result);
assertEquals(0, result.getField(0));
assertEquals(777, result.getField(1));
assertEquals(333, result.getField(2));
result = format.nextRecord(result);
assertNull(result);
assertTrue(format.reachedEnd());
}
use of org.apache.flink.core.fs.FileInputSplit in project flink by apache.
the class RowCsvInputFormatTest method testEmptyFields.
@Test
public void testEmptyFields() throws Exception {
String fileContent = ",,,,,,,,\n" + ",,,,,,,\n" + ",,,,,,,,\n" + ",,,,,,,\n" + ",,,,,,,,\n" + ",,,,,,,,\n" + ",,,,,,,\n" + ",,,,,,,,\n";
FileInputSplit split = createTempFile(fileContent);
TypeInformation[] fieldTypes = new TypeInformation[] { BasicTypeInfo.BOOLEAN_TYPE_INFO, BasicTypeInfo.BYTE_TYPE_INFO, BasicTypeInfo.DOUBLE_TYPE_INFO, BasicTypeInfo.FLOAT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.LONG_TYPE_INFO, BasicTypeInfo.SHORT_TYPE_INFO, BasicTypeInfo.STRING_TYPE_INFO };
RowCsvInputFormat format = new RowCsvInputFormat(PATH, fieldTypes, true);
format.setFieldDelimiter(",");
format.configure(new Configuration());
format.open(split);
Row result = new Row(8);
int linesCnt = fileContent.split("\n").length;
for (int i = 0; i < linesCnt; i++) {
result = format.nextRecord(result);
assertNull(result.getField(i));
}
// ensure no more rows
assertNull(format.nextRecord(result));
assertTrue(format.reachedEnd());
}
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