bpmn/MSOCoreBPMN/src/test/java/org/onap/so/bpmn/core/internal/VariableNameExtractorTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.core.internal;
  22 import static org.hamcrest.CoreMatchers.containsString;
  23 import static org.junit.Assert.*;
  24 import static org.mockito.Matchers.contains;
  25
  26 import java.util.Optional;
  27 import org.junit.Test;
  28
  29 public class VariableNameExtractorTest {
  30
  31     @Test
  32     public void shouldExtractVariableName() throws Exception {
  33         // given
  34         String name = "A_different_NAME123";
  35         String variable = "${A_different_NAME123}";
  36         VariableNameExtractor extractor = new VariableNameExtractor(variable);
  37         // when
  38         Optional<String> extracted = extractor.extract();
  39         // then
  40         assertTrue(extracted.isPresent());
  41         assertThat(extracted.get(), containsString(name));
  42     }
  43
  44     @Test
  45     public void shouldExtractVariableNameFromWhitespaces() throws Exception {
  46         // given
  47         String name = "name";
  48         String variable = " \n\t$ \n\t{ \n\tname \n\t} \n\t";
  49         VariableNameExtractor extractor = new VariableNameExtractor(variable);
  50         // when
  51         Optional<String> extracted = extractor.extract();
  52         // then
  53         assertTrue(extracted.isPresent());
  54         assertThat(extracted.get(), containsString(name));
  55     }
  56
  57     @Test
  58     public void shouldReturnEmptyIfThereIsMoreThanVariable() throws Exception {
  59         // given
  60         String variable = "a ${test}";
  61         VariableNameExtractor extractor = new VariableNameExtractor(variable);
  62         // when
  63         Optional<String> extracted = extractor.extract();
  64         // then
  65         assertFalse(extracted.isPresent());
  66     }
  67
  68     @Test
  69     public void shouldReturnEmptyIfVariableNameIsIncorrect() throws Exception {
  70         // given
  71         String variable = "${name with space}";
  72         VariableNameExtractor extractor = new VariableNameExtractor(variable);
  73         // when
  74         Optional<String> extracted = extractor.extract();
  75         // then
  76         assertFalse(extracted.isPresent());
  77     }
  78
  79     @Test
  80     public void shouldReturnEmptyIfTwoVariablesPresent() throws Exception {
  81         // given
  82         String variable = "${var1} ${var2}";
  83         VariableNameExtractor extractor = new VariableNameExtractor(variable);
  84         // when
  85         Optional<String> extracted = extractor.extract();
  86         // then
  87         assertFalse(extracted.isPresent());
  88     }
  89 }