| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.test; |
| |
| import org.junit.Test; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.function.Supplier; |
| import org.slf4j.event.Level; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class TestGenericTestUtils extends GenericTestUtils { |
| |
| @Test |
| public void testAssertExceptionContainsNullEx() throws Throwable { |
| try { |
| assertExceptionContains("", null); |
| } catch (AssertionError e) { |
| if (!e.toString().contains(E_NULL_THROWABLE)) { |
| throw e; |
| } |
| } |
| } |
| |
| @Test |
| public void testAssertExceptionContainsNullString() throws Throwable { |
| try { |
| assertExceptionContains("", new BrokenException()); |
| } catch (AssertionError e) { |
| if (!e.toString().contains(E_NULL_THROWABLE_STRING)) { |
| throw e; |
| } |
| } |
| } |
| |
| @Test |
| public void testAssertExceptionContainsWrongText() throws Throwable { |
| try { |
| assertExceptionContains("Expected", new Exception("(actual)")); |
| } catch (AssertionError e) { |
| String s = e.toString(); |
| if (!s.contains(E_UNEXPECTED_EXCEPTION) |
| || !s.contains("(actual)") ) { |
| throw e; |
| } |
| if (e.getCause() == null) { |
| throw new AssertionError("No nested cause in assertion", e); |
| } |
| } |
| } |
| |
| @Test |
| public void testAssertExceptionContainsWorking() throws Throwable { |
| assertExceptionContains("Expected", new Exception("Expected")); |
| } |
| |
| private static class BrokenException extends Exception { |
| public BrokenException() { |
| } |
| |
| @Override |
| public String toString() { |
| return null; |
| } |
| } |
| |
| @Test(timeout = 10000) |
| public void testLogCapturer() { |
| final Logger log = LoggerFactory.getLogger(TestGenericTestUtils.class); |
| LogCapturer logCapturer = LogCapturer.captureLogs(log); |
| final String infoMessage = "info message"; |
| // test get output message |
| log.info(infoMessage); |
| assertTrue(logCapturer.getOutput().endsWith( |
| String.format(infoMessage + "%n"))); |
| // test clear output |
| logCapturer.clearOutput(); |
| assertTrue(logCapturer.getOutput().isEmpty()); |
| // test stop capturing |
| logCapturer.stopCapturing(); |
| log.info(infoMessage); |
| assertTrue(logCapturer.getOutput().isEmpty()); |
| } |
| |
| @Test(timeout = 10000) |
| public void testLogCapturerSlf4jLogger() { |
| final Logger logger = LoggerFactory.getLogger(TestGenericTestUtils.class); |
| LogCapturer logCapturer = LogCapturer.captureLogs(logger); |
| final String infoMessage = "info message"; |
| // test get output message |
| logger.info(infoMessage); |
| assertTrue(logCapturer.getOutput().endsWith( |
| String.format(infoMessage + "%n"))); |
| // test clear output |
| logCapturer.clearOutput(); |
| assertTrue(logCapturer.getOutput().isEmpty()); |
| // test stop capturing |
| logCapturer.stopCapturing(); |
| logger.info(infoMessage); |
| assertTrue(logCapturer.getOutput().isEmpty()); |
| } |
| |
| @Test |
| public void testWaitingForConditionWithInvalidParams() throws Throwable { |
| // test waitFor method with null supplier interface |
| try { |
| waitFor(null, 0, 0); |
| } catch (NullPointerException e) { |
| assertExceptionContains(GenericTestUtils.ERROR_MISSING_ARGUMENT, e); |
| } |
| |
| Supplier<Boolean> simpleSupplier = new Supplier<Boolean>() { |
| |
| @Override |
| public Boolean get() { |
| return true; |
| } |
| }; |
| |
| // test waitFor method with waitForMillis greater than checkEveryMillis |
| waitFor(simpleSupplier, 5, 10); |
| try { |
| // test waitFor method with waitForMillis smaller than checkEveryMillis |
| waitFor(simpleSupplier, 10, 5); |
| fail( |
| "Excepted a failure when the param value of" |
| + " waitForMillis is smaller than checkEveryMillis."); |
| } catch (IllegalArgumentException e) { |
| assertExceptionContains(GenericTestUtils.ERROR_INVALID_ARGUMENT, e); |
| } |
| } |
| |
| @Test |
| public void testToLevel() throws Throwable { |
| assertEquals(Level.INFO, toLevel("INFO")); |
| assertEquals(Level.DEBUG, toLevel("NonExistLevel")); |
| assertEquals(Level.INFO, toLevel("INFO", Level.TRACE)); |
| assertEquals(Level.TRACE, toLevel("NonExistLevel", Level.TRACE)); |
| } |
| } |