| /** |
| * 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.oozie.util; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Test cases for the {@link StringUtils} class. |
| */ |
| public class TestStringUtils { |
| |
| @Rule |
| public ExpectedException expectedException = ExpectedException.none(); |
| |
| public static final String ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE = "Invalid checkStaticExistence return value"; |
| |
| /** |
| * Tests if a new line character is replaced by an empty string. |
| */ |
| @Test |
| public void testTrimNewLineReplacement() { |
| assertEquals("A string", StringUtils.trim("A \n string")); |
| } |
| |
| /** |
| * Tests if a tab character is replaced by an empty string. |
| */ |
| @Test |
| public void testTrimTabReplacement() { |
| assertEquals("A string", StringUtils.trim("A \t string")); |
| } |
| |
| /** |
| * Tests if surrounding whitespaces are trimmed. |
| */ |
| @Test |
| public void testTrimWhitespaceReplacement() { |
| assertEquals("A string", StringUtils.trim(" A string ")); |
| } |
| |
| /** |
| * Tests if a valid string, meaning one without leading and trailing whitespaces, no new line characters and no tab character, |
| * is returned umodified. |
| */ |
| @Test |
| public void testTrimUnmodifiedString() { |
| assertEquals("A string", StringUtils.trim("A string")); |
| } |
| |
| @Test |
| public void testCheckStaticExistenceWithValidExpressions() throws ELEvaluationException { |
| assertFalse(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("ab", ",")); |
| assertTrue(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${a:a()}${a:a()}!", "!")); |
| assertTrue(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${a:a()},${a:a()}", ",")); |
| assertFalse(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${a:d('foo', 'bar')}", ",")); |
| assertTrue(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${a:a(), a:a()}", ",")); |
| assertTrue(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("a,b", ",")); |
| assertTrue(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("'a,b'", ",")); |
| assertFalse(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${func(a,b)}", ",")); |
| assertFalse(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${func('a','b')}", ",")); |
| assertTrue(ASSERT_MESSAGE_CHECK_STATIC_EXISTENCE, StringUtils.checkStaticExistence("${func('abc')},${func('def')}", ",")); |
| } |
| |
| @Test |
| public void testUnclosedCurlyBracket() throws ELEvaluationException { |
| expectedException.expect(ELEvaluationException.class); |
| StringUtils.checkStaticExistence("${", ","); |
| } |
| |
| @Test |
| public void testClosingTooManyCurlyBracket() throws ELEvaluationException { |
| expectedException.expect(ELEvaluationException.class); |
| StringUtils.checkStaticExistence("${a:a()}}", ","); |
| } |
| |
| @Test |
| public void testUnclosedFunctionCall() throws ELEvaluationException { |
| expectedException.expect(ELEvaluationException.class); |
| StringUtils.checkStaticExistence("${a:a(}", ","); |
| } |
| |
| @Test |
| public void testTooManyParanthesisClosing() throws ELEvaluationException { |
| expectedException.expect(ELEvaluationException.class); |
| StringUtils.checkStaticExistence("${a:a())}", ","); |
| } |
| |
| @Test |
| public void testSequenceBeforeInvalidPart() throws ELEvaluationException { |
| expectedException.expect(ELEvaluationException.class); |
| StringUtils.checkStaticExistence("${a:a(),b:b(),c:c(}", ","); |
| } |
| } |