push addional code

Change-Id: Ia427bb3460cda3a896f8faced2de69eaf3807b74
Signed-off-by: Michael Lando <ml636r@att.com>

1 files changed, 472 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImplTest.java b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImplTest.java
new file mode 100644
index 0000000000..47f0bd9aef
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImplTest.java
@@ -0,0 +1,472 @@
+package org.openecomp.sdc.tosca.services.impl;
+
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.tosca.TestUtil;
+import org.openecomp.sdc.tosca.datatypes.ToscaNodeType;
+import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
+import org.openecomp.sdc.tosca.services.ToscaAnalyzerService;
+import org.openecomp.sdc.tosca.services.ToscaConstants;
+import org.openecomp.sdc.tosca.services.yamlutil.ToscaExtensionYamlUtil;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.openecomp.sdc.tosca.datatypes.model.Import;
+import org.openecomp.sdc.tosca.datatypes.model.NodeTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.NodeType;
+import org.openecomp.sdc.tosca.datatypes.model.RequirementAssignment;
+import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.sdc.tosca.datatypes.model.SubstitutionMapping;
+import org.openecomp.sdc.tosca.datatypes.model.TopologyTemplate;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ToscaAnalyzerServiceImplTest {
+    /*
+    Dictionary:
+    SrvTmp: ServiceTemplate
+    NdTmp: NodeTemplate
+    NdTy: NodeType
+    */
+
+  private static ToscaAnalyzerService toscaAnalyzerService;
+  private static ToscaServiceModel toscaServiceModel;
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  @Mock
+  NodeTemplate nodeTemplateMock;
+  @Mock
+  ToscaServiceModel toscaServiceModelMock;
+
+  @BeforeClass
+  public static void onlyOnceSetUp() throws IOException {
+    toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
+    toscaServiceModel = TestUtil.loadToscaServiceModel("/mock/analyzerService/toscasubstitution/",
+        "/mock/globalServiceTemplates/", null);
+  }
+
+  @Before
+  public void init() throws IOException {
+    MockitoAnnotations.initMocks(this);
+  }
+
+  @Test
+  public void testGetRequirements() throws Exception {
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    ServiceTemplate serviceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    NodeTemplate port_0 =
+        serviceTemplateFromYaml.getTopology_template().getNode_templates().get("cmaui_port_0");
+    List<RequirementAssignment> reqList =
+        toscaAnalyzerService.getRequirements(port_0, ToscaConstants.BINDING_REQUIREMENT_ID);
+    assertEquals(1, reqList.size());
+
+    reqList.clear();
+    NodeTemplate port_1 =
+        serviceTemplateFromYaml.getTopology_template().getNode_templates().get("cmaui1_port_1");
+    reqList = toscaAnalyzerService.getRequirements(port_1, ToscaConstants.LINK_REQUIREMENT_ID);
+    assertEquals(2, reqList.size());
+
+    reqList.clear();
+    reqList = toscaAnalyzerService.getRequirements(port_0, ToscaConstants.LINK_REQUIREMENT_ID);
+    assertEquals(0, reqList.size());
+  }
+
+  @Test
+  public void testGetNodeTemplateById() throws Exception {
+    ServiceTemplate emptyServiceTemplate = new ServiceTemplate();
+    Optional<NodeTemplate> nodeTemplate =
+        toscaAnalyzerService.getNodeTemplateById(emptyServiceTemplate, "test_net222");
+    assertEquals(false, nodeTemplate.isPresent());
+
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    nodeTemplate = toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_net");
+    assertEquals(true, nodeTemplate.isPresent());
+
+    nodeTemplate = toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_net222");
+    assertEquals(false, nodeTemplate.isPresent());
+  }
+
+  @Test
+  public void testGetSubstituteServiceTemplateName() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Substitute Node Template invalid2, mandatory map property service_template_filter with mandatory key substitute_service_template must be defined.");
+
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    Optional<NodeTemplate> notSubstitutableNodeTemplate =
+        toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_net");
+    Optional<String> substituteServiceTemplateName = toscaAnalyzerService
+        .getSubstituteServiceTemplateName("test_net", notSubstitutableNodeTemplate.get());
+    assertEquals(false, substituteServiceTemplateName.isPresent());
+
+    Optional<NodeTemplate> substitutableNodeTemplate =
+        toscaAnalyzerService.getNodeTemplateById(mainServiceTemplate, "test_nested");
+    substituteServiceTemplateName = toscaAnalyzerService
+        .getSubstituteServiceTemplateName("test_nested", substitutableNodeTemplate.get());
+    assertEquals(true, substituteServiceTemplateName.isPresent());
+    assertEquals("nestedServiceTemplate.yaml", substituteServiceTemplateName.get());
+
+    NodeTemplate invalidSubstitutableNodeTemplate1 = new NodeTemplate();
+    substituteServiceTemplateName = toscaAnalyzerService
+        .getSubstituteServiceTemplateName("invalid1", invalidSubstitutableNodeTemplate1);
+    assertEquals(false, substituteServiceTemplateName.isPresent());
+
+
+    NodeTemplate invalidSubstitutableNodeTemplate2 = substitutableNodeTemplate.get();
+    Object serviceTemplateFilter = invalidSubstitutableNodeTemplate2.getProperties()
+        .get(ToscaConstants.SERVICE_TEMPLATE_FILTER_PROPERTY_NAME);
+    ((Map) serviceTemplateFilter).clear();
+    toscaAnalyzerService
+        .getSubstituteServiceTemplateName("invalid2", invalidSubstitutableNodeTemplate2);
+
+
+  }
+
+
+  @Test
+  public void testGetSubstitutableNodeTemplates() throws Exception {
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/ServiceTemplateSubstituteTest.yaml");
+    ServiceTemplate serviceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    Map<String, NodeTemplate> substitutableNodeTemplates =
+        toscaAnalyzerService.getSubstitutableNodeTemplates(serviceTemplateFromYaml);
+    assertEquals(2, substitutableNodeTemplates.size());
+    assertNotNull(substitutableNodeTemplates.get("test_nested1"));
+    assertNotNull(substitutableNodeTemplates.get("test_nested2"));
+
+    ServiceTemplate emptyServiceTemplate = new ServiceTemplate();
+    emptyServiceTemplate.setTopology_template(new TopologyTemplate());
+    substitutableNodeTemplates =
+        toscaAnalyzerService.getSubstitutableNodeTemplates(emptyServiceTemplate);
+    assertEquals(0, substitutableNodeTemplates.size());
+
+    yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    serviceTemplateFromYaml = toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+    substitutableNodeTemplates =
+        toscaAnalyzerService.getSubstitutableNodeTemplates(serviceTemplateFromYaml);
+    assertEquals(0, substitutableNodeTemplates.size());
+  }
+
+  @Test
+  public void testGetSubstitutionMappedNodeTemplateByExposedReq() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Tosca model data, missing 'Node Template' entry for 'Node Template' id cmaui_port_9");
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    ServiceTemplate nestedServiceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    Optional<Map.Entry<String, NodeTemplate>> mappedNodeTemplate = toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("NestedServiceTemplateSubstituteTest.yaml",
+            nestedServiceTemplateFromYaml, "local_storage_server_cmaui");
+    assertEquals("server_cmaui", mappedNodeTemplate.get().getKey());
+    assertNotNull(mappedNodeTemplate.get().getValue());
+
+    mappedNodeTemplate = toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("NestedServiceTemplateSubstituteTest.yaml",
+            nestedServiceTemplateFromYaml, "link_cmaui_port_invalid");
+    assertEquals("server_cmaui", mappedNodeTemplate.get().getKey());
+    assertNotNull(mappedNodeTemplate.get().getValue());
+
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    mappedNodeTemplate = toscaAnalyzerService.getSubstitutionMappedNodeTemplateByExposedReq(
+        toscaServiceModel.getEntryDefinitionServiceTemplate(), mainServiceTemplate,
+        "local_storage_server_cmaui");
+    assertEquals(false, mappedNodeTemplate.isPresent());
+  }
+
+  @Test
+  public void invalidSubstitutableMapping() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Substitution Service Template invalidMappingServiceTemplate.yaml, missing mandatory file 'Node type' in substitution mapping.");
+    ServiceTemplate invalidMappingServiceTemplate = new ServiceTemplate();
+    invalidMappingServiceTemplate.setTopology_template(new TopologyTemplate());
+    invalidMappingServiceTemplate.getTopology_template()
+        .setSubstitution_mappings(new SubstitutionMapping());
+    toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("invalidMappingServiceTemplate.yaml",
+            invalidMappingServiceTemplate, "local_storage_server_cmaui");
+  }
+
+  @Test
+  public void substitutableMappingWithNoReqMap() throws Exception {
+    ServiceTemplate mainServiceTemplate = toscaServiceModel.getServiceTemplates()
+        .get(toscaServiceModel.getEntryDefinitionServiceTemplate());
+    ServiceTemplate emptyReqMapping = new ServiceTemplate();
+    emptyReqMapping.setTopology_template(new TopologyTemplate());
+    emptyReqMapping.getTopology_template().setSubstitution_mappings(new SubstitutionMapping());
+    emptyReqMapping.getTopology_template().getSubstitution_mappings().setNode_type("temp");
+    Optional<Map.Entry<String, NodeTemplate>> mappedNodeTemplate = toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq(
+            toscaServiceModel.getEntryDefinitionServiceTemplate(), mainServiceTemplate,
+            "local_storage_server_cmaui");
+    assertEquals(false, mappedNodeTemplate.isPresent());
+  }
+
+  @Test
+  public void testGetSubstitutionMappedNodeTemplateByExposedReqInvalid() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Invalid Tosca model data, missing 'Node Template' entry for 'Node Template' id cmaui_port_9");
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/NestedServiceTemplateReqTest.yaml");
+    ServiceTemplate nestedServiceTemplateFromYaml =
+        toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+    toscaAnalyzerService
+        .getSubstitutionMappedNodeTemplateByExposedReq("NestedServiceTemplateSubstituteTest.yaml",
+            nestedServiceTemplateFromYaml, "link_cmaui_port_invalid");
+  }
+
+  @Test
+  public void testIsDesiredRequirementAssignmentMatch() throws Exception {
+
+    RequirementAssignment requirementAssignment = new RequirementAssignment();
+    String capability = "Test.Capability";
+    String node = "Test.node";
+    String relationship = "Test.relationship";
+    requirementAssignment.setCapability(capability);
+    requirementAssignment.setNode(node);
+    requirementAssignment.setRelationship(relationship);
+
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, node, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, node, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, null, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, node, null));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, null, relationship));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, null, null));
+    assertEquals(true, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, node, null));
+
+  }
+
+  @Test
+  public void testIsDesiredRequirementAssignmentNoMatch() throws Exception {
+
+    RequirementAssignment requirementAssignment = new RequirementAssignment();
+    String capability = "Test.Capability";
+    String node = "Test.node";
+    String relationship = "Test.relationship";
+    requirementAssignment.setCapability(capability);
+    requirementAssignment.setNode(node);
+    requirementAssignment.setRelationship(relationship);
+
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", node, relationship));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", "no", relationship));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", "no", "no"));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, "no", relationship));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, node, "no"));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, capability, "no", "no"));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, "no", null, null));
+    assertEquals(false, toscaAnalyzerService
+        .isDesiredRequirementAssignment(requirementAssignment, null, null, null));
+
+
+  }
+
+  @Test
+  public void shouldReturnFalseIfNdTmpIsNull() {
+    assertFalse(toscaAnalyzerService
+        .isTypeOf(null, ToscaNodeType.NETWORK.getDisplayName(), new ServiceTemplate(),
+            toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsOfRequestedType() {
+    NodeTemplate nodeTemplate = new NodeTemplate();
+    ToscaNodeType nodeTypeToSearch = ToscaNodeType.BLOCK_STORAGE;
+    nodeTemplate.setType(nodeTypeToSearch.getDisplayName());
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplate, nodeTypeToSearch.getDisplayName(), new ServiceTemplate(),
+            toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyAndNdTyDerivedFromRequestedType() {
+    String typeToMatch = ToscaNodeType.CINDER_VOLUME.getDisplayName();
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, ToscaNodeType.COMPUTE.getDisplayName(), new NodeType());
+    NodeType nodeType = createNodeType(ToscaNodeType.BLOCK_STORAGE.getDisplayName());
+    addNodeType(stNodeTypes, typeToMatch, nodeType);
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.BLOCK_STORAGE.getDisplayName(), serviceTemplate,
+            toscaServiceModelMock));
+
+  }
+
+  @Test
+  public void shouldThrowCoreExceptionForInvalidNodeType() {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "NodeType 'AAA' or one of its derivedFrom node type hierarchy, is not defined in tosca service model");
+    when(nodeTemplateMock.getType()).thenReturn("AAA");
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, "notImportant", new NodeType());
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.COMPUTE.getDisplayName(), serviceTemplate,
+            toscaServiceModelMock);
+  }
+
+  @Test
+  public void shouldThrowCoreExceptionForInvalidNodeType2Level() {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "NodeType 'A' or one of its derivedFrom node type hierarchy, is not defined in tosca service model");
+    String typeToMatch = "A";
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, "notImportant", new NodeType());
+    addNodeType(stNodeTypes, "A", createNodeType("ADerivedFromB"));
+    addNodeType(stNodeTypes, "ADerivedFromB'", createNodeType("BDerivedFromC"));
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, "BDerivedFromC", serviceTemplate, toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyAndNotDerivedFromRequestedTypeBut2ndLevelDerivedFromMatch() {
+    String typeToMatch = "A";
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, "notImportant", new NodeType());
+    addNodeType(stNodeTypes, "A", createNodeType("ADerivedFromB"));
+    addNodeType(stNodeTypes, "ADerivedFromB", createNodeType("BDerivedFromC"));
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, "BDerivedFromC", serviceTemplate, toscaServiceModelMock));
+  }
+
+  private NodeType createNodeType(String derivedFrom) {
+    NodeType nodeType = new NodeType();
+    nodeType.setDerived_from(derivedFrom);
+    return nodeType;
+  }
+
+  private void addNodeType(Map<String, NodeType> stNodeTypes, String key, NodeType nodeType) {
+    stNodeTypes.put(key, nodeType);
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyButRequestedTypeNotMatchButFoundIn1stLevelImports() {
+    String typeToMatch = ToscaNodeType.CINDER_VOLUME.getDisplayName();
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    ServiceTemplate mainST = new ServiceTemplate();
+    Map<String, Import> imports = new HashMap<>();
+    Import anImport = new Import();
+    anImport.setFile("mainImport");
+    imports.put("bla bla", anImport);
+    mainST.setImports(imports);
+
+    //create searchable service template
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, ToscaNodeType.COMPUTE.getDisplayName(), new NodeType());
+    NodeType nodeType = createNodeType(ToscaNodeType.BLOCK_STORAGE.getDisplayName());
+    addNodeType(stNodeTypes, typeToMatch, nodeType);
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+
+    // add service templates to tosca service model
+    Map<String, ServiceTemplate> serviceTemplates = toscaServiceModelMock.getServiceTemplates();
+    serviceTemplates.put("testMainServiceTemplate", mainST);
+    serviceTemplates.put("mainImport", serviceTemplate);
+    when(toscaServiceModelMock.getServiceTemplates()).thenReturn(serviceTemplates);
+
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.BLOCK_STORAGE.getDisplayName(), mainST,
+            toscaServiceModelMock));
+  }
+
+  @Test
+  public void shouldReturnTrueIfNdTmpTypeIsFoundInSrvTmpNdTyButRequestedTypeNotMatchButFoundIn2ndLevelImports() {
+    String typeToMatch = ToscaNodeType.CINDER_VOLUME.getDisplayName();
+    when(nodeTemplateMock.getType()).thenReturn(typeToMatch);
+    ServiceTemplate mainST = new ServiceTemplate();
+    Map<String, Import> imports = new HashMap<>();
+    Import anImport = new Import();
+    anImport.setFile("refToMainImport");
+    imports.put("bla bla", anImport);
+    mainST.setImports(imports);
+
+    //create searchable service template
+    Map<String, NodeType> stNodeTypes = new HashMap<>();
+    addNodeType(stNodeTypes, ToscaNodeType.COMPUTE.getDisplayName(), new NodeType());
+    NodeType nodeType = createNodeType(ToscaNodeType.BLOCK_STORAGE.getDisplayName());
+    addNodeType(stNodeTypes, typeToMatch, nodeType);
+    ServiceTemplate serviceTemplate = new ServiceTemplate();
+    serviceTemplate.setNode_types(stNodeTypes);
+
+    // create 1st level service template with import only
+    ServiceTemplate firstLevelST = new ServiceTemplate();
+    Map<String, Import> firstLevelImports = new HashMap<>();
+    Import firstLevelImport = new Import();
+    firstLevelImport.setFile("mainImport");
+    firstLevelImports.put("bla bla 2", firstLevelImport);
+
+    firstLevelST.setImports(firstLevelImports);
+
+    // add service templates to tosca service model
+    Map<String, ServiceTemplate> serviceTemplates = toscaServiceModelMock.getServiceTemplates();
+    serviceTemplates.put("testMainServiceTemplate", mainST);
+    serviceTemplates.put("refToMainImport", firstLevelST);
+    serviceTemplates.put("mainImport", serviceTemplate);
+    when(toscaServiceModelMock.getServiceTemplates()).thenReturn(serviceTemplates);
+
+    assertTrue(toscaAnalyzerService
+        .isTypeOf(nodeTemplateMock, ToscaNodeType.BLOCK_STORAGE.getDisplayName(), mainST,
+            toscaServiceModelMock));
+  }
+
+  // not found at all should throw core exception
+
+
+}
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