gerrit.onap Code Review - policy/gui.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License.
  15  *
  16  *  SPDX-License-Identifier: Apache-2.0
  17  *  ============LICENSE_END=========================================================
  18  */
  19
  20 package org.onap.policy.gui.editors.apex.rest.handling.converter.tosca;
  21
  22 import static org.assertj.core.api.Assertions.assertThat;
  23 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  24 import static org.junit.Assert.assertEquals;
  25 import static org.junit.Assert.assertTrue;
  26 import static org.mockito.ArgumentMatchers.any;
  27 import static org.mockito.ArgumentMatchers.eq;
  28 import static org.mockito.Mockito.doThrow;
  29 import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.ENGINE_SERVICE_PARAMETERS;
  30 import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.POLICIES;
  31 import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.POLICY_TYPE_IMPL;
  32 import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.PROPERTIES;
  33 import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.TOPOLOGY_TEMPLATE;
  34 import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.TOSCA_DEFINITIONS_VERSION;
  35
  36 import com.google.gson.JsonObject;
  37 import java.io.IOException;
  38 import java.nio.file.Files;
  39 import java.nio.file.Path;
  40 import java.nio.file.Paths;
  41 import java.util.List;
  42 import java.util.Map;
  43 import java.util.Optional;
  44 import org.junit.Before;
  45 import org.junit.Test;
  46 import org.mockito.InjectMocks;
  47 import org.mockito.MockitoAnnotations;
  48 import org.mockito.Spy;
  49 import org.onap.policy.common.utils.coder.CoderException;
  50 import org.onap.policy.common.utils.coder.StandardCoder;
  51 import org.onap.policy.common.utils.coder.StandardYamlCoder;
  52 import org.onap.policy.common.utils.coder.YamlJsonTranslator;
  53 import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.exception.PolicyToscaConverterException;
  54
  55 public class PolicyToscaConverterTest {
  56
  57     @Spy
  58     private final StandardCoder standardCoder = new StandardCoder();
  59     @Spy
  60     private final YamlJsonTranslator yamlJsonTranslator = new YamlJsonTranslator();
  61     @InjectMocks
  62     private PolicyToscaConverter policyToscaConverter;
  63
  64     @Before
  65     public void setUp() {
  66         MockitoAnnotations.initMocks(this);
  67     }
  68
  69     @Test
  70     public void testConvertSuccess() throws IOException, PolicyToscaConverterException, CoderException {
  71         final String apexConfig = readResourceFileToString(Paths.get("converter", "ApexConfig.json"));
  72         final String apexPolicy = readResourceFileToString(Paths.get("converter", "APEXgRPCPolicy.json"));
  73         final String toscaTemplate = readResourceFileToString(Paths.get("converter", "ToscaTemplate.json"));
  74         final Optional<String> convert = policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate);
  75         assertTrue(convert.isPresent());
  76         final String convertedYaml = convert.get();
  77         final StandardYamlCoder standardYamlCoder = new StandardYamlCoder();
  78         @SuppressWarnings("unchecked") final Map<String, Object> yamlAsMap =
  79             standardYamlCoder.decode(convertedYaml, Map.class);
  80         assertThat(yamlAsMap).containsKeys(TOSCA_DEFINITIONS_VERSION.getKey(), TOPOLOGY_TEMPLATE.getKey());
  81         @SuppressWarnings("unchecked") final Map<String, Object> topology_template =
  82             (Map<String, Object>) yamlAsMap.get(TOPOLOGY_TEMPLATE.getKey());
  83         assertThat(topology_template).containsKey(POLICIES.getKey());
  84         @SuppressWarnings("unchecked") final List<Object> policies =
  85             (List<Object>) topology_template.get(POLICIES.getKey());
  86         assertEquals(1, policies.size());
  87         @SuppressWarnings("unchecked") final Map<String, Object> firstPolicyMap = (Map<String, Object>) policies.get(0);
  88         assertEquals(1, firstPolicyMap.keySet().size());
  89         @SuppressWarnings("unchecked") final Map<String, Object> firstPolicy =
  90             (Map<String, Object>) firstPolicyMap.get(firstPolicyMap.keySet().iterator().next());
  91         assertThat(firstPolicy).containsKey(PROPERTIES.getKey());
  92         @SuppressWarnings("unchecked") final Map<String, Object> propertiesMap =
  93             (Map<String, Object>) firstPolicy.get(PROPERTIES.getKey());
  94         assertThat(propertiesMap).containsKey(ENGINE_SERVICE_PARAMETERS.getKey());
  95         @SuppressWarnings("unchecked") final Map<String, Object> engineServiceParametersProperty =
  96             (Map<String, Object>) propertiesMap.get(ENGINE_SERVICE_PARAMETERS.getKey());
  97         assertThat(engineServiceParametersProperty).containsKey(POLICY_TYPE_IMPL.getKey());
  98     }
  99
 100     @Test
 101     public void testConvertInvalidJsonDecode() throws CoderException {
 102         final String invalidJson = "this is an invalid JSON";
 103         doThrow(CoderException.class).when(standardCoder).decode(eq(invalidJson), eq(JsonObject.class));
 104
 105         final String expectedMsg = String.format("Could not convert JSON string to JSON:\n%s", invalidJson);
 106         assertThatThrownBy(() -> policyToscaConverter.convert(invalidJson, invalidJson, invalidJson))
 107             .isInstanceOf(PolicyToscaConverterException.class)
 108             .hasMessage(expectedMsg);
 109     }
 110
 111     @Test
 112     public void testConvertInvalidJsonEncodeToString() throws IOException {
 113         final String apexConfig = readResourceFileToString(Paths.get("converter", "ApexConfig.json"));
 114         final String apexPolicy = readResourceFileToString(Paths.get("converter", "APEXgRPCPolicy.json"));
 115         final String toscaTemplate = readResourceFileToString(Paths.get("converter", "ToscaTemplate.json"));
 116
 117         doThrow(RuntimeException.class).when(yamlJsonTranslator).toYaml(any(JsonObject.class));
 118
 119         assertThatThrownBy(() -> policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate))
 120             .isInstanceOf(PolicyToscaConverterException.class)
 121             .hasMessageContaining("Could not convert JSON Object to YAML:");
 122     }
 123
 124     @Test
 125     public void testCouldNotReadFirstPolicy() throws IOException {
 126         final String apexConfig = readResourceFileToString(Paths.get("converter", "ApexConfig.json"));
 127         final String apexPolicy = readResourceFileToString(Paths.get("converter", "APEXgRPCPolicy.json"));
 128         final String toscaTemplate1 =
 129             readResourceFileToString(Paths.get("processor", "ToscaTemplate-missing-policies.json"));
 130         final String expectedError =
 131             String.format("Could not read the first policy in the '%s' entry under '%s'",
 132                 POLICIES.getKey(), TOPOLOGY_TEMPLATE.getKey());
 133
 134         assertThatThrownBy(() -> policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate1))
 135             .isInstanceOf(PolicyToscaConverterException.class)
 136             .hasMessage(expectedError);
 137         final String toscaTemplate2 =
 138             readResourceFileToString(Paths.get("processor", "ToscaTemplate-missing-policy.json"));
 139
 140         assertThatThrownBy(() -> policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate2))
 141             .isInstanceOf(PolicyToscaConverterException.class)
 142             .hasMessage(expectedError);
 143     }
 144
 145     @Test
 146     public void testCouldNotReadPolicyProperties() throws IOException {
 147         final String apexConfig = readResourceFileToString(Paths.get("converter", "ApexConfig.json"));
 148         final String apexPolicy = readResourceFileToString(Paths.get("converter", "APEXgRPCPolicy.json"));
 149         final String toscaTemplate =
 150             readResourceFileToString(Paths.get("processor", "ToscaTemplate-missing-properties.json"));
 151         assertThatThrownBy(() -> policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate))
 152             .isInstanceOf(PolicyToscaConverterException.class)
 153             .hasMessage(String.format("Could not read the policy '%s' entry", PROPERTIES.getKey()));
 154     }
 155
 156     @Test
 157     public void testCouldNotReadEngineServiceParameters() throws IOException {
 158         final String apexConfig =
 159             readResourceFileToString(Paths.get("converter", "ApexConfig-engineServiceParameters-notAnObject.json"));
 160         final String apexPolicy = readResourceFileToString(Paths.get("converter", "APEXgRPCPolicy.json"));
 161         final String toscaTemplate =
 162             readResourceFileToString(Paths.get("converter", "ToscaTemplate.json"));
 163         assertThatThrownBy(() -> policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate))
 164             .isInstanceOf(PolicyToscaConverterException.class)
 165             .hasMessage(
 166                 String.format("Could not read the '%s' in the Apex Config", ENGINE_SERVICE_PARAMETERS.getKey()));
 167     }
 168
 169     @Test
 170     public void testCouldNotReadTopologyTemplate() throws IOException {
 171         final String apexConfig = readResourceFileToString(Paths.get("converter", "ApexConfig.json"));
 172         final String apexPolicy = readResourceFileToString(Paths.get("converter", "APEXgRPCPolicy.json"));
 173         final String toscaTemplate =
 174             readResourceFileToString(Paths.get("processor", "ToscaTemplate-missing-topology-template.json"));
 175         assertThatThrownBy(() -> policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate))
 176             .isInstanceOf(PolicyToscaConverterException.class)
 177             .hasMessage(
 178                 String.format("Could not read the '%s' entry in the Tosca Template", TOPOLOGY_TEMPLATE.getKey()));
 179     }
 180
 181     private String readResourceFileToString(final Path filePathFromResources) throws IOException {
 182         final Path resourceDirectory = Paths.get("src", "test", "resources");
 183         final Path converter = Paths.get(resourceDirectory.toString(), filePathFromResources.toString());
 184         return Files.readString(converter);
 185     }
 186
 187 }