Java Code Examples for org.apache.flink.api.common.io.FileInputFormat.FileBaseStatistics#getLastModificationTime()

The following examples show how to use org.apache.flink.api.common.io.FileInputFormat.FileBaseStatistics#getLastModificationTime() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@Test
public void testGetStatisticsSingleFileWithCachedVersion() throws IOException {
	final String myString = "my mocked line 1\nmy mocked line 2\n";
	final Path tempFile = createTempFilePath(myString);
	final long size = myString.length();
	final long fakeSize = 10065;

	DelimitedInputFormat<String> format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());

	FileBaseStatistics stats = format.getStatistics(null);
	assertNotNull(stats);
	assertEquals("The file size from the statistics is wrong.", size, stats.getTotalInputSize());
	
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics newStats = format.getStatistics(stats);
	assertEquals("Statistics object was changed.", newStats, stats);
	
	// insert fake stats with the correct modification time. the call should return the fake stats
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics latest = format.getStatistics(fakeStats);
	assertEquals("The file size from the statistics is wrong.", fakeSize, latest.getTotalInputSize());
	
	// insert fake stats with the expired modification time. the call should return new accurate stats
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(stats.getLastModificationTime() - 1, fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
	assertEquals("The file size from the statistics is wrong.", size, reGathered.getTotalInputSize());
}
 
Example 2
Source Project: flink   File: DelimitedInputFormatTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testGetStatisticsSingleFileWithCachedVersion() throws IOException {
	final String myString = "my mocked line 1\nmy mocked line 2\n";
	final Path tempFile = createTempFilePath(myString);
	final long size = myString.length();
	final long fakeSize = 10065;

	DelimitedInputFormat<String> format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());

	FileBaseStatistics stats = format.getStatistics(null);
	assertNotNull(stats);
	assertEquals("The file size from the statistics is wrong.", size, stats.getTotalInputSize());
	
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics newStats = format.getStatistics(stats);
	assertEquals("Statistics object was changed.", newStats, stats);
	
	// insert fake stats with the correct modification time. the call should return the fake stats
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics latest = format.getStatistics(fakeStats);
	assertEquals("The file size from the statistics is wrong.", fakeSize, latest.getTotalInputSize());
	
	// insert fake stats with the expired modification time. the call should return new accurate stats
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(stats.getLastModificationTime() - 1, fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
	assertEquals("The file size from the statistics is wrong.", size, reGathered.getTotalInputSize());
}
 
Example 3
Source Project: flink   File: DelimitedInputFormatTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testGetStatisticsSingleFileWithCachedVersion() throws IOException {
	final String myString = "my mocked line 1\nmy mocked line 2\n";
	final Path tempFile = createTempFilePath(myString);
	final long size = myString.length();
	final long fakeSize = 10065;

	DelimitedInputFormat<String> format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());

	FileBaseStatistics stats = format.getStatistics(null);
	assertNotNull(stats);
	assertEquals("The file size from the statistics is wrong.", size, stats.getTotalInputSize());
	
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics newStats = format.getStatistics(stats);
	assertEquals("Statistics object was changed.", newStats, stats);
	
	// insert fake stats with the correct modification time. the call should return the fake stats
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics latest = format.getStatistics(fakeStats);
	assertEquals("The file size from the statistics is wrong.", fakeSize, latest.getTotalInputSize());
	
	// insert fake stats with the expired modification time. the call should return new accurate stats
	format = new MyTextInputFormat();
	format.setFilePath(tempFile);
	format.configure(new Configuration());
	
	FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(stats.getLastModificationTime() - 1, fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
	assertEquals("The file size from the statistics is wrong.", size, reGathered.getTotalInputSize());
}
 
Example 4
@Test
public void testGetStatisticsOneFileWithCachedVersion() {
	try {
		final long SIZE = 50873;
		final long FAKE_SIZE = 10065;
		
		String tempFile = TestFileUtils.createTempFile(SIZE);
		
		DummyFileInputFormat format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		
		FileBaseStatistics stats = format.getStatistics(null);
		Assert.assertEquals("The file size from the statistics is wrong.", SIZE, stats.getTotalInputSize());
		
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics newStats = format.getStatistics(stats);
		Assert.assertTrue("Statistics object was changed", newStats == stats);

		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics latest = format.getStatistics(fakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", FAKE_SIZE, latest.getTotalInputSize());
		
		// insert fake stats with the expired modification time. the call should return new accurate stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(stats.getLastModificationTime() - 1, FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", SIZE, reGathered.getTotalInputSize());
		
	} catch (Exception ex) {
		ex.printStackTrace();
		Assert.fail(ex.getMessage());
	}
}
 
Example 5
@Test
public void testGetStatisticsMultipleFilesWithCachedVersion() {
	try {
		FileSystem fs = FileSystem.getLocalFileSystem();

		final long SIZE1 = 2077;
		final long SIZE2 = 31909;
		final long SIZE3 = 10;
		final long TOTAL = SIZE1 + SIZE2 + SIZE3;
		final long FAKE_SIZE = 10065;
		
		File tempDirFile = temporaryFolder.newFolder();
		String tempDir = tempDirFile.getAbsolutePath();
		String f1 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE1);
		long modTime1 = fs.getFileStatus(new Path(f1)).getModificationTime();
		String f2 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE2);
		long modTime2 = fs.getFileStatus(new Path(f2)).getModificationTime();
		String f3 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE3);
		long modTime3 = fs.getFileStatus(new Path(f3)).getModificationTime();
		
		DummyFileInputFormat format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics stats = format.getStatistics(null);
		Assert.assertEquals("The file size from the statistics is wrong.", TOTAL, stats.getTotalInputSize());
		
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics newStats = format.getStatistics(stats);
		Assert.assertTrue("Statistics object was changed", newStats == stats);

		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics latest = format.getStatistics(fakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", FAKE_SIZE, latest.getTotalInputSize());
		
		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(Math.min(Math.min(modTime1, modTime2), modTime3) - 1, FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", TOTAL, reGathered.getTotalInputSize());
		
	} catch (Exception ex) {
		ex.printStackTrace();
		Assert.fail(ex.getMessage());
	}
}
 
Example 6
@Test
public void testGetStatisticsMultipleOneFileWithCachedVersion() throws IOException {
	FileSystem fs = FileSystem.getLocalFileSystem();

	final long size1 = 50873;
	final long fakeSize = 10065;
	String tempFile1 = TestFileUtils.createTempFile(size1);
	final long lastModTime1 = fs.getFileStatus(new Path(tempFile1)).getModificationTime();

	final long size2 = 52573;
	String tempFile2 = TestFileUtils.createTempFile(size2);
	final long lastModTime2 = fs.getFileStatus(new Path(tempFile2)).getModificationTime();

	final long sizeTotal = size1 + size2;
	
	MultiDummyFileInputFormat format = new MultiDummyFileInputFormat();
	format.setFilePaths(tempFile1, tempFile2);
	format.configure(new Configuration());
	
	FileBaseStatistics stats = format.getStatistics(null);
	Assert.assertEquals("The file size from the statistics is wrong.", sizeTotal, stats.getTotalInputSize());
	
	format = new MultiDummyFileInputFormat();
	format.setFilePath(tempFile1);
	format.configure(new Configuration());
	
	FileBaseStatistics newStats = format.getStatistics(stats);
	Assert.assertTrue("Statistics object was changed", newStats == stats);

	// insert fake stats with the correct modification time. the call should return the fake stats
	format = new MultiDummyFileInputFormat();
	format.setFilePath(tempFile1);
	format.configure(new Configuration());
	
	FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics latest = format.getStatistics(fakeStats);
	Assert.assertEquals("The file size from the statistics is wrong.", fakeSize, latest.getTotalInputSize());
	
	// insert fake stats with the expired modification time. the call should return new accurate stats
	format = new MultiDummyFileInputFormat();
	format.setFilePaths(tempFile1, tempFile2);
	format.configure(new Configuration());
	
	FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(Math.min(lastModTime1, lastModTime2) - 1, fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
	Assert.assertEquals("The file size from the statistics is wrong.", sizeTotal, reGathered.getTotalInputSize());
}
 
Example 7
Source Project: flink   File: FileInputFormatTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testGetStatisticsOneFileWithCachedVersion() {
	try {
		final long SIZE = 50873;
		final long FAKE_SIZE = 10065;
		
		String tempFile = TestFileUtils.createTempFile(SIZE);
		
		DummyFileInputFormat format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		
		FileBaseStatistics stats = format.getStatistics(null);
		Assert.assertEquals("The file size from the statistics is wrong.", SIZE, stats.getTotalInputSize());
		
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics newStats = format.getStatistics(stats);
		Assert.assertTrue("Statistics object was changed", newStats == stats);

		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics latest = format.getStatistics(fakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", FAKE_SIZE, latest.getTotalInputSize());
		
		// insert fake stats with the expired modification time. the call should return new accurate stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(stats.getLastModificationTime() - 1, FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", SIZE, reGathered.getTotalInputSize());
		
	} catch (Exception ex) {
		ex.printStackTrace();
		Assert.fail(ex.getMessage());
	}
}
 
Example 8
Source Project: flink   File: FileInputFormatTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testGetStatisticsMultipleFilesWithCachedVersion() {
	try {
		FileSystem fs = FileSystem.getLocalFileSystem();

		final long SIZE1 = 2077;
		final long SIZE2 = 31909;
		final long SIZE3 = 10;
		final long TOTAL = SIZE1 + SIZE2 + SIZE3;
		final long FAKE_SIZE = 10065;
		
		File tempDirFile = temporaryFolder.newFolder();
		String tempDir = tempDirFile.getAbsolutePath();
		String f1 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE1);
		long modTime1 = fs.getFileStatus(new Path(f1)).getModificationTime();
		String f2 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE2);
		long modTime2 = fs.getFileStatus(new Path(f2)).getModificationTime();
		String f3 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE3);
		long modTime3 = fs.getFileStatus(new Path(f3)).getModificationTime();
		
		DummyFileInputFormat format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics stats = format.getStatistics(null);
		Assert.assertEquals("The file size from the statistics is wrong.", TOTAL, stats.getTotalInputSize());
		
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics newStats = format.getStatistics(stats);
		Assert.assertTrue("Statistics object was changed", newStats == stats);

		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics latest = format.getStatistics(fakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", FAKE_SIZE, latest.getTotalInputSize());
		
		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(Math.min(Math.min(modTime1, modTime2), modTime3) - 1, FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", TOTAL, reGathered.getTotalInputSize());
		
	} catch (Exception ex) {
		ex.printStackTrace();
		Assert.fail(ex.getMessage());
	}
}
 
Example 9
Source Project: flink   File: FileInputFormatTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testGetStatisticsMultipleOneFileWithCachedVersion() throws IOException {
	FileSystem fs = FileSystem.getLocalFileSystem();

	final long size1 = 50873;
	final long fakeSize = 10065;
	String tempFile1 = TestFileUtils.createTempFile(size1);
	final long lastModTime1 = fs.getFileStatus(new Path(tempFile1)).getModificationTime();

	final long size2 = 52573;
	String tempFile2 = TestFileUtils.createTempFile(size2);
	final long lastModTime2 = fs.getFileStatus(new Path(tempFile2)).getModificationTime();

	final long sizeTotal = size1 + size2;
	
	MultiDummyFileInputFormat format = new MultiDummyFileInputFormat();
	format.setFilePaths(tempFile1, tempFile2);
	format.configure(new Configuration());
	
	FileBaseStatistics stats = format.getStatistics(null);
	Assert.assertEquals("The file size from the statistics is wrong.", sizeTotal, stats.getTotalInputSize());
	
	format = new MultiDummyFileInputFormat();
	format.setFilePath(tempFile1);
	format.configure(new Configuration());
	
	FileBaseStatistics newStats = format.getStatistics(stats);
	Assert.assertTrue("Statistics object was changed", newStats == stats);

	// insert fake stats with the correct modification time. the call should return the fake stats
	format = new MultiDummyFileInputFormat();
	format.setFilePath(tempFile1);
	format.configure(new Configuration());
	
	FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics latest = format.getStatistics(fakeStats);
	Assert.assertEquals("The file size from the statistics is wrong.", fakeSize, latest.getTotalInputSize());
	
	// insert fake stats with the expired modification time. the call should return new accurate stats
	format = new MultiDummyFileInputFormat();
	format.setFilePaths(tempFile1, tempFile2);
	format.configure(new Configuration());
	
	FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(Math.min(lastModTime1, lastModTime2) - 1, fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
	Assert.assertEquals("The file size from the statistics is wrong.", sizeTotal, reGathered.getTotalInputSize());
}
 
Example 10
Source Project: flink   File: FileInputFormatTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testGetStatisticsOneFileWithCachedVersion() {
	try {
		final long SIZE = 50873;
		final long FAKE_SIZE = 10065;
		
		String tempFile = TestFileUtils.createTempFile(SIZE);
		
		DummyFileInputFormat format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		
		FileBaseStatistics stats = format.getStatistics(null);
		Assert.assertEquals("The file size from the statistics is wrong.", SIZE, stats.getTotalInputSize());
		
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics newStats = format.getStatistics(stats);
		Assert.assertTrue("Statistics object was changed", newStats == stats);

		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics latest = format.getStatistics(fakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", FAKE_SIZE, latest.getTotalInputSize());
		
		// insert fake stats with the expired modification time. the call should return new accurate stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempFile);
		format.configure(new Configuration());
		
		FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(stats.getLastModificationTime() - 1, FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", SIZE, reGathered.getTotalInputSize());
		
	} catch (Exception ex) {
		ex.printStackTrace();
		Assert.fail(ex.getMessage());
	}
}
 
Example 11
Source Project: flink   File: FileInputFormatTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testGetStatisticsMultipleFilesWithCachedVersion() {
	try {
		FileSystem fs = FileSystem.getLocalFileSystem();

		final long SIZE1 = 2077;
		final long SIZE2 = 31909;
		final long SIZE3 = 10;
		final long TOTAL = SIZE1 + SIZE2 + SIZE3;
		final long FAKE_SIZE = 10065;
		
		File tempDirFile = temporaryFolder.newFolder();
		String tempDir = tempDirFile.getAbsolutePath();
		String f1 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE1);
		long modTime1 = fs.getFileStatus(new Path(f1)).getModificationTime();
		String f2 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE2);
		long modTime2 = fs.getFileStatus(new Path(f2)).getModificationTime();
		String f3 = TestFileUtils.createTempFileInDirectory(tempDir, SIZE3);
		long modTime3 = fs.getFileStatus(new Path(f3)).getModificationTime();
		
		DummyFileInputFormat format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics stats = format.getStatistics(null);
		Assert.assertEquals("The file size from the statistics is wrong.", TOTAL, stats.getTotalInputSize());
		
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics newStats = format.getStatistics(stats);
		Assert.assertTrue("Statistics object was changed", newStats == stats);

		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics latest = format.getStatistics(fakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", FAKE_SIZE, latest.getTotalInputSize());
		
		// insert fake stats with the correct modification time. the call should return the fake stats
		format = new DummyFileInputFormat();
		format.setFilePath(tempDir);
		format.configure(new Configuration());
		
		FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(Math.min(Math.min(modTime1, modTime2), modTime3) - 1, FAKE_SIZE, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
		BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
		Assert.assertEquals("The file size from the statistics is wrong.", TOTAL, reGathered.getTotalInputSize());
		
	} catch (Exception ex) {
		ex.printStackTrace();
		Assert.fail(ex.getMessage());
	}
}
 
Example 12
Source Project: flink   File: FileInputFormatTest.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testGetStatisticsMultipleOneFileWithCachedVersion() throws IOException {
	FileSystem fs = FileSystem.getLocalFileSystem();

	final long size1 = 50873;
	final long fakeSize = 10065;
	String tempFile1 = TestFileUtils.createTempFile(size1);
	final long lastModTime1 = fs.getFileStatus(new Path(tempFile1)).getModificationTime();

	final long size2 = 52573;
	String tempFile2 = TestFileUtils.createTempFile(size2);
	final long lastModTime2 = fs.getFileStatus(new Path(tempFile2)).getModificationTime();

	final long sizeTotal = size1 + size2;
	
	MultiDummyFileInputFormat format = new MultiDummyFileInputFormat();
	format.setFilePaths(tempFile1, tempFile2);
	format.configure(new Configuration());
	
	FileBaseStatistics stats = format.getStatistics(null);
	Assert.assertEquals("The file size from the statistics is wrong.", sizeTotal, stats.getTotalInputSize());
	
	format = new MultiDummyFileInputFormat();
	format.setFilePath(tempFile1);
	format.configure(new Configuration());
	
	FileBaseStatistics newStats = format.getStatistics(stats);
	Assert.assertTrue("Statistics object was changed", newStats == stats);

	// insert fake stats with the correct modification time. the call should return the fake stats
	format = new MultiDummyFileInputFormat();
	format.setFilePath(tempFile1);
	format.configure(new Configuration());
	
	FileBaseStatistics fakeStats = new FileBaseStatistics(stats.getLastModificationTime(), fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics latest = format.getStatistics(fakeStats);
	Assert.assertEquals("The file size from the statistics is wrong.", fakeSize, latest.getTotalInputSize());
	
	// insert fake stats with the expired modification time. the call should return new accurate stats
	format = new MultiDummyFileInputFormat();
	format.setFilePaths(tempFile1, tempFile2);
	format.configure(new Configuration());
	
	FileBaseStatistics outDatedFakeStats = new FileBaseStatistics(Math.min(lastModTime1, lastModTime2) - 1, fakeSize, BaseStatistics.AVG_RECORD_BYTES_UNKNOWN);
	BaseStatistics reGathered = format.getStatistics(outDatedFakeStats);
	Assert.assertEquals("The file size from the statistics is wrong.", sizeTotal, reGathered.getTotalInputSize());
}