Java Code Examples for org.apache.flink.util.StringUtils#getRandomString()

The following examples show how to use org.apache.flink.util.StringUtils#getRandomString() . 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

Source File: StringValueSerializationTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testLongValues() {
	try {
		String[] testStrings = new String[] {
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2)
		};
		
		testSerialization(testStrings);
	}
	catch (Exception e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
		fail("Exception in test: " + e.getMessage());
	}
}

Example 2

Source File: StringValueSerializationTest.java From flink with Apache License 2.0

6 votes

@Test
public void testLongValues() {
	try {
		String[] testStrings = new String[] {
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2)
		};
		
		testSerialization(testStrings);
	}
	catch (Exception e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
		fail("Exception in test: " + e.getMessage());
	}
}

Example 3

Source File: AbstractGenericArraySerializerTest.java From flink with Apache License 2.0

6 votes

@Test
public void testString() {
	String[] arr1 = new String[] {"abc", "",
			StringUtils.getRandomString(new Random(289347567856686223L), 10, 100),
			StringUtils.getRandomString(new Random(289347567856686223L), 15, 50),
			StringUtils.getRandomString(new Random(289347567856686223L), 30, 170),
			StringUtils.getRandomString(new Random(289347567856686223L), 14, 15),
			""};
	
	String[] arr2 = new String[] {"foo", "",
			StringUtils.getRandomString(new Random(289347567856686223L), 10, 100),
			StringUtils.getRandomString(new Random(289347567856686223L), 1000, 5000),
			StringUtils.getRandomString(new Random(289347567856686223L), 30000, 35000),
			StringUtils.getRandomString(new Random(289347567856686223L), 100*1024, 105*1024),
			"bar"};
	
	// run tests with the string serializer as the component serializer
	runTests(String.class, new StringSerializer(), arr1, arr2);
	
	// run the tests with the generic serializer as the component serializer
	runTests(arr1, arr2);
}

Example 4

Source File: StringSerializationTest.java From flink with Apache License 2.0

6 votes

@Test
public void testMixedValues() {
	try {
		String[] testStrings = new String[] {
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			"",
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			null,
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			null,
			"",
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			"",
			null
		};
		
		testSerialization(testStrings);
	}
	catch (Exception e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
		fail("Exception in test: " + e.getMessage());
	}
}

Example 5

Source File: StringValueSerializationTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testBinaryCopyOfLongStrings() {
	try {
		String[] testStrings = new String[] {
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			"",
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			"",
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			""
		};
		
		testCopy(testStrings);
	}
	catch (Exception e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
		fail("Exception in test: " + e.getMessage());
	}
}

Example 6

Source File: StringSerializationTest.java From flink with Apache License 2.0

6 votes

@Test
public void testBinaryCopyOfLongStrings() {
	try {
		String[] testStrings = new String[] {
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			"",
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			null,
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			null,
			"",
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2),
			"",
			null
		};
		
		testCopy(testStrings);
	}
	catch (Exception e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
		fail("Exception in test: " + e.getMessage());
	}
}

Example 7

Source File: AbstractGenericArraySerializerTest.java From flink with Apache License 2.0

6 votes

@Test
public void testSimpleTypesObjects() {
	SimpleTypes a = new SimpleTypes();
	SimpleTypes b = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes c = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes d = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes e = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes f = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes g = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	
	runTests(new SimpleTypes[] {a, b, c}, new SimpleTypes[] {d, e, f, g});
}

Example 8

Source File: AbstractGenericArraySerializerTest.java From flink with Apache License 2.0

6 votes

@Test
public void testSimpleTypesObjects() {
	SimpleTypes a = new SimpleTypes();
	SimpleTypes b = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes c = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes d = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes e = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes f = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	SimpleTypes g = new SimpleTypes(rnd.nextInt(), rnd.nextLong(), (byte) rnd.nextInt(),
			StringUtils.getRandomString(rnd, 10, 100), (short) rnd.nextInt(), rnd.nextDouble());
	
	runTests(new SimpleTypes[] {a, b, c}, new SimpleTypes[] {d, e, f, g});
}

Example 9

Source File: TupleSerializerTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testTuple2StringDouble() {
	Random rnd = new Random(807346528946L);
	
	@SuppressWarnings("unchecked")
	Tuple2<String, Double>[] testTuples = new Tuple2[] {
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>("", rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble())
		};
	
	runTests(-1, testTuples);
}

Example 10

Source File: TupleSerializerTest.java From flink with Apache License 2.0

6 votes

@Test
public void testTuple2StringDouble() {
	Random rnd = new Random(807346528946L);
	
	@SuppressWarnings("unchecked")
	Tuple2<String, Double>[] testTuples = new Tuple2[] {
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>("", rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble()),
			new Tuple2<String, Double>(StringUtils.getRandomString(rnd, 10, 100), rnd.nextDouble())
		};
	
	runTests(-1, testTuples);
}

Example 11

Source File: AbstractGenericArraySerializerTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testString() {
	String[] arr1 = new String[] {"abc", "",
			StringUtils.getRandomString(new Random(289347567856686223L), 10, 100),
			StringUtils.getRandomString(new Random(289347567856686223L), 15, 50),
			StringUtils.getRandomString(new Random(289347567856686223L), 30, 170),
			StringUtils.getRandomString(new Random(289347567856686223L), 14, 15),
			""};
	
	String[] arr2 = new String[] {"foo", "",
			StringUtils.getRandomString(new Random(289347567856686223L), 10, 100),
			StringUtils.getRandomString(new Random(289347567856686223L), 1000, 5000),
			StringUtils.getRandomString(new Random(289347567856686223L), 30000, 35000),
			StringUtils.getRandomString(new Random(289347567856686223L), 100*1024, 105*1024),
			"bar"};
	
	// run tests with the string serializer as the component serializer
	runTests(String.class, new StringSerializer(), arr1, arr2);
	
	// run the tests with the generic serializer as the component serializer
	runTests(arr1, arr2);
}

Example 12

Source File: StringSerializationTest.java From flink with Apache License 2.0

5 votes

@Test
public void testStringBinaryCompatibility() {
	try {
		String[] testStrings = new String[] {
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2, (char) 1, (char) 127),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2, (char) 128, (char) 16383),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2, (char) 16384, (char) 65535),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2, (char) 1, (char) 16383),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2, (char) 1, (char) 65535),
			StringUtils.getRandomString(rnd, 10000, 1024 * 1024 * 2, (char) 128, (char) 65535)
		};

		for (String testString: testStrings) {
			// new and old impl should produce the same binary result
			byte[] oldBytes = serializeBytes(testString, StringSerializationTest::oldWriteString);
			byte[] newBytes = serializeBytes(testString, StringSerializationTest::newWriteString);
			assertArrayEquals(oldBytes, newBytes);
			// old impl should read bytes from new one
			String oldString = deserializeBytes(newBytes, StringSerializationTest::oldReadString);
			assertEquals(oldString, testString);
			// new impl should read bytes from old one
			String newString = deserializeBytes(oldBytes, StringSerializationTest::newReadString);
			assertEquals(newString, testString);
			// it should roundtrip over new impl
			String roundtrip = deserializeBytes(newBytes, StringSerializationTest::newReadString);
			assertEquals(roundtrip, testString);
		}
	}
	catch (Exception e) {
		System.err.println(e.getMessage());
		e.printStackTrace();
		fail("Exception in test: " + e.getMessage());
	}
}

Example 13

Source File: TupleSerializerTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testTuple2StringStringArray() {
	Random rnd = new Random(289347567856686223L);
	
	String[] arr1 = new String[] {"abc", "",
			StringUtils.getRandomString(rnd, 10, 100),
			StringUtils.getRandomString(rnd, 15, 50),
			StringUtils.getRandomString(rnd, 30, 170),
			StringUtils.getRandomString(rnd, 14, 15),
			""};
	
	String[] arr2 = new String[] {"foo", "",
			StringUtils.getRandomString(rnd, 10, 100),
			StringUtils.getRandomString(rnd, 1000, 5000),
			StringUtils.getRandomString(rnd, 30000, 35000),
			StringUtils.getRandomString(rnd, 100*1024, 105*1024),
			"bar"};
	
	@SuppressWarnings("unchecked")
	Tuple2<String, String[]>[] testTuples = new Tuple2[] {
		new Tuple2<String, String[]>(StringUtils.getRandomString(rnd, 30, 170), arr1),
		new Tuple2<String, String[]>(StringUtils.getRandomString(rnd, 30, 170), arr2),
		new Tuple2<String, String[]>(StringUtils.getRandomString(rnd, 30, 170), arr1),
		new Tuple2<String, String[]>(StringUtils.getRandomString(rnd, 30, 170), arr2),
		new Tuple2<String, String[]>(StringUtils.getRandomString(rnd, 30, 170), arr2)
	};
	
	runTests(-1, testTuples);
}

Example 14

Source File: HadoopS3RecoverableWriterITCase.java From flink with Apache License 2.0

5 votes

@Before
public void prepare() throws Exception {
	basePathForTest = new Path(
			basePath,
			StringUtils.getRandomString(RND, 16, 16, 'a', 'z'));

	cleanupLocalDir();
}

Example 15

Source File: AbstractRecoverableWriterTest.java From flink with Apache License 2.0

4 votes

private static String randomName() {
	return StringUtils.getRandomString(RND, 16, 16, 'a', 'z');
}

Example 16

Source File: AbstractTtlStateVerifier.java From flink with Apache License 2.0

4 votes

@Nonnull
static String randomString() {
	return StringUtils.getRandomString(RANDOM, 2, 20);
}

Example 17

Source File: FileSystemBehaviorTestSuite.java From flink with Apache License 2.0

4 votes

private static String randomName() {
	return StringUtils.getRandomString(RND, 16, 16, 'a', 'z');
}

Example 18

Source File: FileSystemBehaviorTestSuite.java From flink with Apache License 2.0

4 votes

private static String randomName() {
	return StringUtils.getRandomString(RND, 16, 16, 'a', 'z');
}

Example 19

Source File: FileSystemBehaviorTestSuite.java From Flink-CEPplus with Apache License 2.0

4 votes

private static String randomName() {
	return StringUtils.getRandomString(RND, 16, 16, 'a', 'z');
}

Example 20

Source File: AbstractTtlStateVerifier.java From Flink-CEPplus with Apache License 2.0

4 votes

@Nonnull
static String randomString() {
	return StringUtils.getRandomString(RANDOM, 2, 20);
}