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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.anEmptyMap;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsNull.notNullValue;
import static org.hamcrest.core.IsNull.nullValue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import fj.data.Either;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.openecomp.sdc.be.config.Configuration;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.exception.NsdException;
import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.model.Nsd;
import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.model.VnfDescriptor;
import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.tosca.yaml.ToscaTemplateYamlGenerator;
import org.openecomp.sdc.be.tosca.ToscaExportHandler;
import org.openecomp.sdc.be.tosca.model.SubstitutionMapping;
import org.openecomp.sdc.be.tosca.model.ToscaNodeTemplate;
import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
import org.openecomp.sdc.be.tosca.model.ToscaProperty;
import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraint;
import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintValidValues;
import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
import org.openecomp.sdc.be.tosca.model.ToscaTemplateCapability;
import org.openecomp.sdc.be.tosca.model.ToscaTopolgyTemplate;
import org.openecomp.sdc.common.api.ConfigurationSource;
import org.springframework.beans.factory.ObjectProvider;
import org.yaml.snakeyaml.Yaml;
class NsDescriptorGeneratorImplTest {
private static final String VNFD_AMF_NODE_NAME = "vnfd_amf";
private static final String VIRTUAL_LINK_REQUIREMENT_NAME = "virtual_link";
private final ObjectProvider<ToscaTemplateYamlGenerator> toscaTemplateYamlGeneratorProvider = new ObjectProvider<>() {
@Override
public ToscaTemplateYamlGenerator getObject(Object... args) {
return new ToscaTemplateYamlGenerator((ToscaTemplate) args[0]);
}
@Override
public ToscaTemplateYamlGenerator getIfAvailable() {
return null;
}
@Override
public ToscaTemplateYamlGenerator getIfUnique() {
return null;
}
@Override
public ToscaTemplateYamlGenerator getObject() {
return null;
}
};
@Mock
private ToscaExportHandler toscaExportHandler;
private NsDescriptorGeneratorImpl nsDescriptorGenerator;
@BeforeEach
void setUp() {
setUpConfigurationMock();
MockitoAnnotations.initMocks(this);
nsDescriptorGenerator = new NsDescriptorGeneratorImpl(toscaExportHandler, toscaTemplateYamlGeneratorProvider);
}
private void setUpConfigurationMock() {
final List<Map<String, Map<String, String>>> defaultImports = new ArrayList<>();
final Map<String, Map<String, String>> importMap = new HashMap<>();
final Map<String, String> nodeImportEntry = new HashMap<>();
nodeImportEntry.put("file", "nodes.yml");
importMap.put("nodes", nodeImportEntry);
defaultImports.add(importMap);
final ConfigurationSource configurationSource = mock(ConfigurationSource.class);
final Configuration configuration = new Configuration();
configuration.setDefaultImports(defaultImports);
configuration.setHeatEnvArtifactHeader("");
configuration.setHeatEnvArtifactFooter("");
when(configurationSource.getAndWatchConfiguration(any(), any())).thenReturn(configuration);
new ConfigurationManager(configurationSource);
}
@Test
void testGenerate() throws IOException, NsdException {
//given
final Component component = mock(Component.class);
when(component.getComponentType()).thenReturn(ComponentTypeEnum.SERVICE);
final ToscaTemplate componentToscaTemplate = new ToscaTemplate("");
final ToscaTopolgyTemplate componentToscaTopologyTemplate = new ToscaTopolgyTemplate();
componentToscaTemplate.setTopology_template(componentToscaTopologyTemplate);
final HashMap<String, ToscaNodeTemplate> nodeTemplateMap = new HashMap<>();
final ToscaNodeTemplate vnfAmfNodeTemplate = new ToscaNodeTemplate();
vnfAmfNodeTemplate.setType("com.ericsson.resource.abstract.Ericsson.AMF");
//a property to be excluded
vnfAmfNodeTemplate.setProperties(ImmutableMap.of("nf_naming_code", new ToscaProperty()));
//a property that wont be excluded
vnfAmfNodeTemplate.setProperties(ImmutableMap.of("will_not_be_excluded", new ToscaProperty()));
nodeTemplateMap.put(VNFD_AMF_NODE_NAME, vnfAmfNodeTemplate);
final Map<String, ToscaTemplateCapability> vnfAmfCapabilities = new HashMap<>();
vnfAmfCapabilities.put("myCapability", new ToscaTemplateCapability());
vnfAmfNodeTemplate.setCapabilities(vnfAmfCapabilities);
componentToscaTopologyTemplate.setNode_templates(nodeTemplateMap);
final SubstitutionMapping substitutionMapping = mock(SubstitutionMapping.class);
Map<String, String[]> requirements = new HashMap<>();
String[] requirementAssignment = {"VNF1", VIRTUAL_LINK_REQUIREMENT_NAME};
requirements.put(VIRTUAL_LINK_REQUIREMENT_NAME, requirementAssignment);
when(substitutionMapping.getRequirements()).thenReturn(requirements);
Map<String, String[]> capabilities = new HashMap<>();
String[] capabilitiesAssignment = {"VNF1", "capability1"};
capabilities.put("capability", capabilitiesAssignment);
when(substitutionMapping.getCapabilities()).thenReturn(capabilities);
componentToscaTopologyTemplate.setSubstitution_mappings(substitutionMapping);
final ToscaTemplate componentInterfaceToscaTemplate = new ToscaTemplate("");
final String designerPropertyValue = "designerValue";
final String versionPropertyValue = "versionValue";
final String namePropertyValue = "nameValue";
final String invariantIdPropertyValue = "invariantIdValue";
final ToscaNodeType interfaceToscaNodeType = createDefaultInterfaceToscaNodeType(designerPropertyValue, versionPropertyValue,
namePropertyValue, invariantIdPropertyValue);
final String nsNodeTypeName = "nsNodeTypeName";
componentInterfaceToscaTemplate.setNode_types(ImmutableMap.of(nsNodeTypeName, interfaceToscaNodeType));
when(toscaExportHandler.convertToToscaTemplate(component)).thenReturn(Either.left(componentToscaTemplate));
when(toscaExportHandler.convertInterfaceNodeType(any(), any(), any(), any(), anyBoolean()))
.thenReturn(Either.left(componentInterfaceToscaTemplate));
final List<VnfDescriptor> vnfDescriptorList = new ArrayList<>();
VnfDescriptor vnfDescriptor1 = new VnfDescriptor();
vnfDescriptor1.setName(VNFD_AMF_NODE_NAME);
vnfDescriptor1.setVnfdFileName("vnfd_amf.yaml");
vnfDescriptor1.setNodeType("com.ericsson.resource.abstract.Ericsson.AMF");
vnfDescriptorList.add(vnfDescriptor1);
//when
final Nsd nsd = nsDescriptorGenerator.generate(component, vnfDescriptorList).orElse(null);
//then
assertNotEmpty(nsd);
assertThat("Nsd designer should be as expected", nsd.getDesigner(), is(designerPropertyValue));
assertThat("Nsd version should be as expected", nsd.getVersion(), is(versionPropertyValue));
assertThat("Nsd name should be as expected", nsd.getName(), is(namePropertyValue));
assertThat("Nsd invariantId should be as expected", nsd.getInvariantId(), is(invariantIdPropertyValue));
final Map<String, Object> toscaTemplateYaml = readYamlAsMap(nsd.getContents());
@SuppressWarnings("unchecked") final Map<String, Object> topologyTemplate = (Map<String, Object>) toscaTemplateYaml.get("topology_template");
assertThat("topology_template should not be empty", topologyTemplate, is(not(anEmptyMap())));
@SuppressWarnings("unchecked") final Map<String, Object> substitutionMappings = (Map<String, Object>) topologyTemplate
.get("substitution_mappings");
assertThat("substitution_mappings should not be empty", substitutionMappings, is(not(anEmptyMap())));
assertThat("substitution_mappings->node_type should not be null", substitutionMappings.get("node_type"), is(notNullValue()));
assertThat("substitution_mappings->node_type should be as expected", substitutionMappings.get("node_type"), is(nsNodeTypeName));
final Map<String, List<String>> subMappingRequirements = (Map<String, List<String>>) substitutionMappings.get("requirements");
assertThat(subMappingRequirements.get(VIRTUAL_LINK_REQUIREMENT_NAME).get(0), is("VNF1"));
assertThat(subMappingRequirements.get(VIRTUAL_LINK_REQUIREMENT_NAME).get(1), is(VIRTUAL_LINK_REQUIREMENT_NAME));
final Map<String, List<String>> subMappingCapabilities = (Map<String, List<String>>) substitutionMappings.get("capabilities");
assertThat(subMappingCapabilities.get("capability").get(0), is("VNF1"));
assertThat(subMappingCapabilities.get("capability").get(1), is("capability1"));
@SuppressWarnings("unchecked") final Map<String, Object> nodeTemplates = (Map<String, Object>) topologyTemplate.get("node_templates");
@SuppressWarnings("unchecked") final Map<String, Object> nodeTemplate = (Map<String, Object>) nodeTemplates.get(VNFD_AMF_NODE_NAME);
assertThat("capabilities should be null", nodeTemplate.get("capabilities"), is(nullValue()));
}
private ToscaNodeType createDefaultInterfaceToscaNodeType(final String designerPropertyValue, final String versionPropertyValue,
final String namePropertyValue, final String invariantIdPropertyValue) {
final ToscaNodeType interfaceToscaNodeType = new ToscaNodeType();
interfaceToscaNodeType.setProperties(ImmutableMap
.of("designer", createToscaProperty(designerPropertyValue), "version", createToscaProperty(versionPropertyValue), "name",
createToscaProperty(namePropertyValue), "invariant_id", createToscaProperty(invariantIdPropertyValue)));
return interfaceToscaNodeType;
}
private void assertNotEmpty(Nsd nsd) {
assertThat("Nsd should not be null", nsd, is(notNullValue()));
assertThat("Nsd content should not be empty", nsd.getContents(), is(notNullValue()));
assertThat("Nsd content should not be empty", nsd.getContents().length, is(greaterThan(0)));
}
private ToscaProperty createToscaProperty(final String value) {
final ToscaProperty toscaProperty = new ToscaProperty();
final ToscaPropertyConstraint toscaPropertyConstraint = new ToscaPropertyConstraintValidValues(ImmutableList.of(value));
toscaProperty.setConstraints(ImmutableList.of(toscaPropertyConstraint));
return toscaProperty;
}
@SuppressWarnings("unchecked")
private Map<String, Object> readYamlAsMap(final byte[] yamlContents) throws IOException {
final Yaml yaml = new Yaml();
try (final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(yamlContents)) {
return (Map<String, Object>) yaml.load(byteArrayInputStream);
}
}
}
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