Fix TOSCA Analyzer - null point exception

In case there is import to not exist TOSCA file,
exception with relevant error message should be thrown
In getRequirementAssignment, when there is no Requirement,
Optional.Empty is returned

Change-Id: I8aabde177815dec2f69307f6be3c5114c5c8efa3
Issue-ID: SDC-1281
Signed-off-by: shiria <shiri.amichai@amdocs.com>

2 files changed, 216 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
index 83ed525c4c..e034fb8565 100644
--- 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
@@ -127,6 +127,26 @@ public class ToscaAnalyzerServiceImplTest {
   }
 
   @Test
+  public void testGetFlatEntityFileNotFound() throws Exception {
+    thrown.expect(CoreException.class);
+    thrown.expectMessage(
+        "Tosca file 'missingFile.yaml' was not found in tosca service model");
+    ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+    try (InputStream yamlFile = toscaExtensionYamlUtil
+        .loadYamlFileIs("/mock/analyzerService/ServiceTemplateFileNotFoundTest.yaml")) {
+
+      ServiceTemplate
+          serviceTemplateFromYaml =
+          toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
+
+      toscaAnalyzerService
+          .getFlatEntity(ToscaElementTypes.NODE_TYPE,
+              "org.openecomp.resource.vfc.nodes.heat.cmaui_image",
+              serviceTemplateFromYaml, toscaServiceModel);
+    }
+  }
+
+  @Test
   public void testGetFlatEntityNodeType() throws Exception {
     ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
     try (InputStream yamlFile = toscaExtensionYamlUtil
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/ServiceTemplateFileNotFoundTest.yaml b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/ServiceTemplateFileNotFoundTest.yaml
new file mode 100644
index 0000000000..37b242b53f
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/test/resources/mock/analyzerService/ServiceTemplateFileNotFoundTest.yaml
@@ -0,0 +1,196 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+metadata:
+  template_name: nested
+imports:
+- NeutronPortGlobalTypes:
+    file: missingFile.yaml
+node_types:
+  org.openecomp.resource.vfc.nodes.heat.cmaui_image:
+    derived_from: org.openecomp.resource.vfc.nodes.heat.nova.Server
+    properties:
+      admin_pass:
+        description: The administrator password for the server
+        type: string
+        status: SUPPORTED
+        default: overridden default value
+        required: false
+      new_property:
+        description: new property
+        type: string
+        status: SUPPORTED
+        required: false
+data_types:
+  org.openecomp.datatypes.heat.network.MyAddressPair:
+    derived_from: org.openecomp.datatypes.heat.network.AddressPair
+    description: My MAC/IP address pairs
+    properties:
+      mac_address:
+        description: MAC address
+        type: string
+        status: SUPPORTED
+        required: false
+        default: overridden default value
+      new_property:
+        description: new property
+        type: string
+        status: SUPPORTED
+        required: false
+  org.openecomp.datatypes.heat.network.MyNewAddressPair:
+    derived_from: org.openecomp.datatypes.heat.network.MyAddressPair
+    description: My new MAC/IP address pairs
+    properties:
+      mac_address:
+        description: MAC address
+        type: string
+        status: SUPPORTED
+        required: true
+        default: overridden default value
+topology_template:
+  inputs:
+    cmaui_names:
+      hidden: false
+      immutable: false
+      type: list
+      description: CMAUI1, CMAUI2 server names
+      entry_schema:
+        type: String
+    p1:
+      hidden: false
+      immutable: false
+      type: string
+      description: UID of OAM network
+    cmaui_image:
+      hidden: false
+      immutable: false
+      type: string
+      description: Image for CMAUI server
+    cmaui_flavor:
+      hidden: false
+      immutable: false
+      type: string
+      description: Flavor for CMAUI server
+    security_group_name:
+      hidden: false
+      immutable: false
+      description: not impotrtant
+    availability_zone_0:
+      label: availabilityzone name
+      hidden: false
+      immutable: false
+      type: string
+      description: availabilityzone name
+  node_templates:
+    server_cmaui:
+      type: org.openecomp.resource.vfc.nodes.heat.cmaui_image
+      properties:
+        flavor:
+          get_input: cmaui_flavor
+        availability_zone:
+          get_input: availability_zone_0
+        image:
+          get_input: cmaui_image
+        name:
+          get_input:
+          - cmaui_names
+          - 0
+    cmaui_port_0:
+      type: org.openecomp.resource.cp.nodes.heat.network.neutron.Port
+      properties:
+        replacement_policy: AUTO
+        security_groups:
+        - get_input: security_group_name
+        fixed_ips:
+        - ip_address:
+            get_input:
+            - cmaui_oam_ips
+            - 0
+        network:
+          get_input: p1
+      requirements:
+      - binding:
+          capability: tosca.capabilities.network.Bindable
+          node: server_cmaui
+          relationship: tosca.relationships.network.BindsTo
+    cmaui1_port_1:
+          type: org.openecomp.resource.cp.nodes.heat.network.neutron.Port
+          properties:
+            replacement_policy: AUTO
+            security_groups:
+            - get_input: security_group_name
+            fixed_ips:
+            - subnet: subnetNameVal
+              ip_address:
+                get_input:
+                - cmaui_oam_ips
+                - 1
+            - subnet: subnetNameVal2
+              ip_address:
+                get_input:
+                - cmaui_oam_ips
+                - 1
+            network: jsa_net
+          requirements:
+          - link:
+              capability: tosca.capabilities.network.Linkable
+              node: jsa_net1
+              relationship: tosca.relationships.network.LinksTo
+          - link:
+              capability: tosca.capabilities.network.Linkable
+              node: jsa_net2
+              relationship: tosca.relationships.network.LinksTo
+          - binding:
+              capability: tosca.capabilities.network.Bindable
+              node: server_cmaui
+              relationship: tosca.relationships.network.BindsTo
+    jsa_net1:
+          type: org.openecomp.resource.vl.nodes.heat.network.neutron.Net
+          properties:
+            shared: true
+            network_name:
+              get_input: jsa_net_name
+    jsa_net2:
+              type: org.openecomp.resource.vl.nodes.heat.network.neutron.Net
+              properties:
+                shared: true
+                network_name:
+                  get_input: jsa_net_name
+  groups:
+    nested:
+      type: org.openecomp.groups.heat.HeatStack
+      properties:
+        heat_file: ../Artifacts/nested.yml
+        description: cmaui server template for vMMSC
+      members:
+      - server_cmaui
+      - cmaui_port_0
+  substitution_mappings:
+    node_type: org.openecomp.resource.abstract.nodes.heat.nested
+    capabilities:
+      host_server_cmaui:
+      - server_cmaui
+      - host
+      os_server_cmaui:
+      - server_cmaui
+      - os
+      endpoint_server_cmaui:
+      - server_cmaui
+      - endpoint
+      binding_server_cmaui:
+      - server_cmaui
+      - binding
+      scalable_server_cmaui:
+      - server_cmaui
+      - scalable
+      attachment_cmaui_port_0:
+      - cmaui_port_0
+      - attachment
+    requirements:
+      local_storage_server_cmaui:
+      - server_cmaui
+      - local_storage
+      link_cmaui_port_0:
+      - cmaui_port_0
+      - link
+      link_cmaui_port_invalid:
+      - cmaui_port_9
+      - link