src/test/java/org/onap/dcaegen2/services/pmmapper/utils/EnvironmentConfigTest.java

   1 /*-\r
   2  * ============LICENSE_START=======================================================\r
   3  *  Copyright (C) 2019 Nordix Foundation.\r
   4  * ================================================================================\r
   5  * Licensed under the Apache License, Version 2.0 (the "License");\r
   6  * you may not use this file except in compliance with the License.\r
   7  * You may obtain a copy of the License at\r
   8  *\r
   9  *      http://www.apache.org/licenses/LICENSE-2.0\r
  10  *\r
  11  * Unless required by applicable law or agreed to in writing, software\r
  12  * distributed under the License is distributed on an "AS IS" BASIS,\r
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  14  * See the License for the specific language governing permissions and\r
  15  * limitations under the License.\r
  16  *\r
  17  * SPDX-License-Identifier: Apache-2.0\r
  18  * ============LICENSE_END=========================================================\r
  19  */\r
  20 \r
  21 package org.onap.dcaegen2.services.pmmapper.utils;\r
  22 import static org.junit.jupiter.api.Assertions.assertThrows;\r
  23 import static org.junit.Assert.assertEquals;\r
  24 import org.junit.Before;\r
  25 import org.junit.Test;\r
  26 import org.junit.runner.RunWith;\r
  27 import org.onap.dcaegen2.services.pmmapper.exceptions.EnvironmentConfigException;\r
  28 import org.powermock.api.mockito.PowerMockito;\r
  29 import org.powermock.core.classloader.annotations.PrepareForTest;\r
  30 import org.powermock.modules.junit4.PowerMockRunner;\r
  31 \r
  32 @RunWith(PowerMockRunner.class)\r
  33 @PrepareForTest(EnvironmentConfig.class)\r
  34 public class EnvironmentConfigTest {\r
  35     private EnvironmentConfig objUnderTest;\r
  36 \r
  37     @Before\r
  38     public void before() throws Exception {\r
  39         PowerMockito.mockStatic(System.class);\r
  40         objUnderTest = new EnvironmentConfig();\r
  41     }\r
  42 \r
  43     @Test\r
  44     public void environmentConfig_is_present_success() throws EnvironmentConfigException {\r
  45         String CBS_HOST = "cbs_host";\r
  46         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_CBS_HOST_KEY)).thenReturn(CBS_HOST);\r
  47         assertEquals(CBS_HOST, objUnderTest.getCBSHostName());\r
  48     }\r
  49 \r
  50     @Test\r
  51     public void environmentConfig_host_not_present() throws EnvironmentConfigException {\r
  52         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_CBS_HOST_KEY)).thenReturn(null);\r
  53         assertThrows(EnvironmentConfigException.class, objUnderTest::getCBSHostName);\r
  54     }\r
  55 \r
  56     @Test\r
  57     public void environmentConfig_hostname_present() throws EnvironmentConfigException {\r
  58         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_SERVICE_NAME_KEY)).thenCallRealMethod();\r
  59         assertThrows(EnvironmentConfigException.class, objUnderTest::getCBSHostName);\r
  60     }\r
  61 \r
  62     @Test\r
  63     public void environmentConfig_default_port_is_used() throws EnvironmentConfigException {\r
  64         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_CBS_PORT_KEY)).thenReturn(null);\r
  65         assertEquals(Integer.valueOf(EnvironmentConfig.DEFAULT_CBS_PORT), objUnderTest.getCBSPort());\r
  66     }\r
  67 \r
  68     @Test\r
  69     public void environmentConfig_port_invalid() throws EnvironmentConfigException {\r
  70         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_CBS_PORT_KEY)).thenReturn("Invalid_port number");\r
  71         assertThrows(EnvironmentConfigException.class, objUnderTest::getCBSHostName);\r
  72     }\r
  73 \r
  74     @Test\r
  75     public void environmentConfig_service_name_missing() {\r
  76         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_SERVICE_NAME_KEY)).thenReturn(null);\r
  77         assertThrows(EnvironmentConfigException.class, objUnderTest::getServiceName);\r
  78     }\r
  79     @Test\r
  80     public void environmentConfig_service_name_success() throws EnvironmentConfigException {\r
  81         String serviceName = "we the best service";\r
  82         PowerMockito.when(System.getenv(EnvironmentConfig.ENV_SERVICE_NAME_KEY)).thenReturn(serviceName);\r
  83         assertEquals(serviceName, objUnderTest.getServiceName());\r
  84     }\r
  85 }\r