org.testng.Assert.assertNull()方法的使用及代码示例

x33g5p2x  于2022-01-15 转载在 其他  
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本文整理了Java中org.testng.Assert.assertNull()方法的一些代码示例，展示了Assert.assertNull()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Assert.assertNull()方法的具体详情如下：
包路径：org.testng.Assert
类名称：Assert
方法名：assertNull

Assert.assertNull介绍

[英]Asserts that an object is null. If it is not, an AssertionError, with the given message, is thrown.
[中]断言对象为空。如果不是，则抛出带有给定消息的AssertionError。

代码示例

代码示例来源：origin: spring-projects/spring-framework

@Test
@Transactional(propagation = Propagation.NOT_SUPPORTED)
void verifyAnnotationAutowiredFields() {
  assertInTransaction(false);
  assertNull(nonrequiredLong, "The nonrequiredLong field should NOT have been autowired.");
  assertNotNull(pet, "The pet field should have been autowired.");
  assertEquals(pet.getName(), "Fido", "pet's name.");
}

代码示例来源：origin: prestodb/presto

private static void assertColumnList(List<com.amazonaws.services.glue.model.Column> actual, List<Column> expected)
{
  if (expected == null) {
    assertNull(actual);
  }
  assertEquals(actual.size(), expected.size());
  for (int i = 0; i < expected.size(); i++) {
    assertColumn(actual.get(i), expected.get(i));
  }
}

代码示例来源：origin: prestodb/presto

@Test
public void testBuildExpressionNullOrEmptyValues()
{
  assertNull(buildGlueExpression(PARTITION_KEYS, ImmutableList.of()));
  assertNull(buildGlueExpression(PARTITION_KEYS, null));
}

代码示例来源：origin: prestodb/presto

@Test
public void testExecuteUpdateWithInsert()
    throws Exception
{
  try (Connection connection = createConnection("blackhole", "blackhole")) {
    try (Statement statement = connection.createStatement()) {
      assertEquals(statement.executeUpdate("INSERT INTO test_table VALUES (1), (2)"), 2);
      assertNull(statement.getResultSet());
      assertEquals(statement.getUpdateCount(), 2);
      assertEquals(statement.getLargeUpdateCount(), 2);
    }
  }
}

代码示例来源：origin: prestodb/presto

@Test
public void testCreateGroupedStateEmpty()
{
  GeometryState state = factory.createGroupedState();
  assertNull(state.getGeometry());
  assertTrue(state.getEstimatedSize() > 0, String.format("Estimated memory size was %d", state.getEstimatedSize()));
}

代码示例来源：origin: swagger-api/swagger-core

@Test(description = "it should override the property name")
public void overridePropertyName() {
  final Map<String, Schema> schemas = readAll(ModelWithAltPropertyName.class);
  final Map<String, Schema> properties = schemas.get("sample_model").getProperties();
  assertNull(properties.get("id"));
  assertNotNull(properties.get("the_id"));
}

代码示例来源：origin: swagger-api/swagger-core

private void checkType(Schema property, Class<?> cls, String type, String format) {
  assertTrue(cls.isInstance(property));
  assertEquals(property.getType(), type);
  if (format == null) {
    assertNull(property.getFormat());
  } else {
    assertEquals(property.getFormat(), format);
  }
}

代码示例来源：origin: prestodb/presto

@Test
public void testAddColumn()
  MaterializedResult materializedRows = computeActual("SELECT x, a FROM test_add_column ORDER BY x");
  assertEquals(materializedRows.getMaterializedRows().get(0).getField(0), 123);
  assertNull(materializedRows.getMaterializedRows().get(0).getField(1));
  assertEquals(materializedRows.getMaterializedRows().get(1).getField(0), 234);
  assertEquals(materializedRows.getMaterializedRows().get(1).getField(1), 111L);
  materializedRows = computeActual("SELECT x, a, b FROM test_add_column ORDER BY x");
  assertEquals(materializedRows.getMaterializedRows().get(0).getField(0), 123);
  assertNull(materializedRows.getMaterializedRows().get(0).getField(1));
  assertNull(materializedRows.getMaterializedRows().get(0).getField(2));
  assertEquals(materializedRows.getMaterializedRows().get(1).getField(0), 234);
  assertEquals(materializedRows.getMaterializedRows().get(1).getField(1), 111L);
  assertNull(materializedRows.getMaterializedRows().get(1).getField(2));
  assertEquals(materializedRows.getMaterializedRows().get(2).getField(0), 345);
  assertEquals(materializedRows.getMaterializedRows().get(2).getField(1), 222L);
  assertUpdate("DROP TABLE test_add_column_a");
  assertUpdate("DROP TABLE test_add_column_ab");
  assertFalse(getQueryRunner().tableExists(getSession(), "test_add_column"));
  assertFalse(getQueryRunner().tableExists(getSession(), "test_add_column_a"));
  assertFalse(getQueryRunner().tableExists(getSession(), "test_add_column_ab"));

代码示例来源：origin: prestodb/presto

private static void assertMinMax(StringStatistics actualStringStatistics, Slice expectedMin, Slice expectedMax)
{
  if (expectedMax == null && expectedMin == null) {
    assertNull(actualStringStatistics);
    return;
  }
  assertNotNull(actualStringStatistics);
  assertEquals(actualStringStatistics.getMin(), expectedMin);
  assertEquals(actualStringStatistics.getMax(), expectedMax);
}

代码示例来源：origin: prestodb/presto

private void assertSetNull(int sqlType, int expectedSqlType)
    throws SQLException
{
  try (Connection connection = createConnection();
      PreparedStatement statement = connection.prepareStatement("SELECT ?")) {
    statement.setNull(1, sqlType);
    try (ResultSet rs = statement.executeQuery()) {
      assertTrue(rs.next());
      assertNull(rs.getObject(1));
      assertTrue(rs.wasNull());
      assertFalse(rs.next());
      assertEquals(rs.getMetaData().getColumnType(1), expectedSqlType);
    }
  }
}

代码示例来源：origin: prestodb/presto

@Test
public void testExecuteUpdateWithCreateTable()
    throws Exception
{
  try (Connection connection = createConnection("blackhole", "blackhole")) {
    try (Statement statement = connection.createStatement()) {
      assertEquals(statement.executeUpdate("CREATE TABLE test_execute_create (x bigint)"), 0);
      assertNull(statement.getResultSet());
      assertEquals(statement.getUpdateCount(), 0);
      assertEquals(statement.getLargeUpdateCount(), 0);
    }
  }
}

代码示例来源：origin: swagger-api/swagger-core

@Test(description = "it should generate a JSON with read-only from pojo, #1161")
public void readOnlyJsonGeneration() throws IOException {
  Map<String, Schema> models = ModelConverters.getInstance().read(ReadOnlyModel.class);
  Schema model = models.get("ReadOnlyModel");
  Schema id = (Schema) model.getProperties().get("id");
  assertTrue(id.getReadOnly());
  Schema readWriteId = (Schema) model.getProperties().get("readWriteId");
  assertNull(readWriteId.getReadOnly());
}

代码示例来源：origin: swagger-api/swagger-core

@Test
public void getAnnotationTest() throws NoSuchMethodException {
  final Method method = Child.class.getMethod("annotationHolder");
  Assert.assertNotNull(ReflectionUtils.getAnnotation(method, Schema.class));
  Assert.assertNull(ReflectionUtils.getAnnotation(method, ApiResponse.class));
}

代码示例来源：origin: prestodb/presto

private static void assertSourceFinished(LocalExchangeSource source)
{
  assertTrue(source.isFinished());
  LocalExchangeBufferInfo bufferInfo = source.getBufferInfo();
  assertEquals(bufferInfo.getBufferedPages(), 0);
  assertEquals(bufferInfo.getBufferedBytes(), 0);
  assertTrue(source.waitForReading().isDone());
  assertNull(source.removePage());
  assertTrue(source.waitForReading().isDone());
  assertTrue(source.isFinished());
}

代码示例来源：origin: prestodb/presto

private static void assertColumnList(List<Column> actual, List<com.amazonaws.services.glue.model.Column> expected)
{
  if (expected == null) {
    assertNull(actual);
  }
  assertEquals(actual.size(), expected.size());
  for (int i = 0; i < expected.size(); i++) {
    assertColumn(actual.get(i), expected.get(i));
  }
}

代码示例来源：origin: prestodb/presto

@Test
public void testUriWithSslEnabled()
    throws SQLException
{
  PrestoDriverUri parameters = createDriverUri("presto://localhost:8080/blackhole?SSL=true");
  assertUriPortScheme(parameters, 8080, "https");
  Properties properties = parameters.getProperties();
  assertNull(properties.getProperty(SSL_TRUST_STORE_PATH.getKey()));
  assertNull(properties.getProperty(SSL_TRUST_STORE_PASSWORD.getKey()));
}

代码示例来源：origin: linkedin/parseq

@Test
public void testTaskCancellationAfterCompleted() throws InterruptedException {
 final AtomicReference<Throwable> cancelActionValue = new AtomicReference<>();
 Task<?> completed = Task.value(10);
 completed.addListener(p -> {
  if (p.isFailed() && Exceptions.isCancellation(p.getError())) {
   cancelActionValue.set(p.getError().getCause());
  }
 } );
 runAndWait("TestTaskCancellation.testTaskCancellationAfterCompleted", completed);
 Exception cancelReason = new Exception();
 assertFalse(completed.cancel(cancelReason));
 assertNull(cancelActionValue.get());
}

代码示例来源：origin: swagger-api/swagger-core

@Test
public void findMethodTest() throws NoSuchMethodException {
  final Method methodToFind1 = Child.class.getMethod("parametrizedMethod1", Integer.class);
  final Method method1 = ReflectionUtils.findMethod(methodToFind1, Parent.class);
  Assert.assertNotNull(method1);
  Assert.assertEquals(method1.getParameterTypes()[0], Number.class);
  final Method methodToFind2 = Child.class.getMethod("parametrizedMethod4", Long.class);
  final Method method2 = ReflectionUtils.findMethod(methodToFind2, Parent.class);
  Assert.assertNull(method2);
}

代码示例来源：origin: swagger-api/swagger-core

@Test(description = "it should deserialize a BooleanSchema")
public void deserializeBooleanSchema() throws IOException {
  final String json = "{\"type\":\"boolean\",\"default\":false}";
  final Schema p = m.readValue(json, Schema.class);
  assertEquals(p.getType(), "boolean");
  assertNull(p.getFormat());
  assertEquals(p.getClass(), BooleanSchema.class);
  assertEquals(((BooleanSchema) p).getDefault(), Boolean.FALSE);
  assertEquals(m.writeValueAsString(p), json);
}

代码示例来源：origin: AsyncHttpClient/async-http-client

@Test
public void testRequestTimeout() throws IOException {
 try (AsyncHttpClient client = asyncHttpClient()) {
  Future<Response> responseFuture = client.prepareGet(getTargetUrl()).setRequestTimeout(100).execute();
  Response response = responseFuture.get(2000, TimeUnit.MILLISECONDS);
  assertNull(response);
 } catch (InterruptedException e) {
  fail("Interrupted.", e);
 } catch (ExecutionException e) {
  assertTrue(e.getCause() instanceof TimeoutException);
  checkTimeoutMessage(e.getCause().getMessage(), true);
 } catch (TimeoutException e) {
  fail("Timeout.", e);
 }
}

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