org.apache.flink.connector.testutils.source.reader

Class SourceReaderTestBase<SplitT extends org.apache.flink.api.connector.source.SourceSplit>

java.lang.Object

org.apache.flink.util.TestLogger

org.apache.flink.connector.testutils.source.reader.SourceReaderTestBase<SplitT>

Type Parameters:

SplitT - the type of the splits.

public abstract class SourceReaderTestBase<SplitT extends org.apache.flink.api.connector.source.SourceSplit>
extends org.apache.flink.util.TestLogger

An abstract test class for all the unit tests of SourceReader to inherit.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SourceReaderTestBase.ValidatingSourceOutput A source output that validates the output.

Field Summary

Fields

Modifier and Type	Field and Description
org.junit.rules.ExpectedException	expectedException
protected static int	NUM_RECORDS_PER_SPLIT
protected static int	NUM_SPLITS
protected static int	TOTAL_NUM_RECORDS

Fields inherited from class org.apache.flink.util.TestLogger

log, watchman

Constructor Summary

Constructors

Constructor and Description
SourceReaderTestBase()

Method Summary

Modifier and Type	Method and Description
protected abstract org.apache.flink.api.connector.source.SourceReader<Integer,SplitT>	createReader()
void	ensureNoDangling()
protected abstract long	getNextRecordIndex(SplitT split)
protected abstract SplitT	getSplit(int splitId, int numRecords, org.apache.flink.api.connector.source.Boundedness boundedness)
protected abstract List<SplitT>	getSplits(int numSplits, int numRecordsPerSplit, org.apache.flink.api.connector.source.Boundedness boundedness)
void	testAddSplitToExistingFetcher()
void	testAvailableOnEmptyQueue()
void	testPollingFromEmptyQueue()
void	testRead() Simply test the reader reads all the splits fine.
void	testSnapshot()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NUM_SPLITS

protected static final int NUM_SPLITS

See Also:

Constant Field Values

NUM_RECORDS_PER_SPLIT

protected static final int NUM_RECORDS_PER_SPLIT

See Also:

Constant Field Values

TOTAL_NUM_RECORDS

protected static final int TOTAL_NUM_RECORDS

See Also:

Constant Field Values

expectedException

public org.junit.rules.ExpectedException expectedException

Constructor Detail

SourceReaderTestBase

public SourceReaderTestBase()

Method Detail

ensureNoDangling

public void ensureNoDangling()

testRead

public void testRead()
              throws Exception

Simply test the reader reads all the splits fine.

Throws:

Exception

testAddSplitToExistingFetcher

public void testAddSplitToExistingFetcher()
                                   throws Exception

Throws:

Exception

testPollingFromEmptyQueue

public void testPollingFromEmptyQueue()
                               throws Exception

Throws:

Exception

testAvailableOnEmptyQueue

public void testAvailableOnEmptyQueue()
                               throws Exception

Throws:

Exception

testSnapshot

public void testSnapshot()
                  throws Exception

Throws:

Exception

createReader

protected abstract org.apache.flink.api.connector.source.SourceReader<Integer,SplitT> createReader()

getSplits

protected abstract List<SplitT> getSplits(int numSplits,
                                          int numRecordsPerSplit,
                                          org.apache.flink.api.connector.source.Boundedness boundedness)

getSplit

protected abstract SplitT getSplit(int splitId,
                                   int numRecords,
                                   org.apache.flink.api.connector.source.Boundedness boundedness)

getNextRecordIndex

protected abstract long getNextRecordIndex(SplitT split)