test case of model generator

Issue-ID: POLICY-1992
Change-Id: I90143d9903e0ada74dd9efba80aa6589b9f3dff4
Signed-off-by: ning.xi <ning.xi@est.tech>

4 files changed, 1088 insertions, 0 deletions

diff --git a/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java
new file mode 100644
index 000000000..552101f94
--- /dev/null
+++ b/tools/model-generator/src/test/java/org/onap/policy/apex/tools/model/generator/model2event/Model2EventSchemaTest.java
@@ -0,0 +1,142 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 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.onap.policy.apex.tools.model.generator.model2event;
+
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.junit.Assert.assertEquals;
+
+import java.util.Arrays;
+import org.apache.avro.Schema;
+import org.apache.avro.Schema.Field;
+import org.apache.avro.Schema.Type;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onap.policy.apex.context.impl.schema.java.JavaSchemaHelperParameters;
+import org.onap.policy.apex.context.parameters.ContextParameterConstants;
+import org.onap.policy.apex.context.parameters.SchemaParameters;
+import org.onap.policy.apex.model.basicmodel.service.ModelService;
+import org.onap.policy.common.parameters.ParameterService;
+import org.stringtemplate.v4.STGroupFile;
+
+/**
+ * Test the Model2EventSchema.
+ */
+public class Model2EventSchemaTest {
+    String modelFile = "src/test/resources/blankSchema.json";
+    String type = "stimuli";
+    /** The name of the application. */
+    public static final String APP_NAME = "gen-model2eventSchema";
+
+    /**
+     * Set ups parameterService for the test.
+     */
+    @BeforeClass
+    public static void prepareForTest() {
+        final SchemaParameters schemaParameters = new SchemaParameters();
+        schemaParameters.setName(ContextParameterConstants.SCHEMA_GROUP_NAME);
+        schemaParameters.getSchemaHelperParameterMap().put("JAVA", new JavaSchemaHelperParameters());
+        if (!ParameterService.contains(ContextParameterConstants.SCHEMA_GROUP_NAME)) {
+            ParameterService.register(schemaParameters);
+        }
+    }
+
+    @Test
+    public void testEventSchemaBadModelFile() {
+        Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
+        assertThatCode(() -> {
+            int ret = app.runApp();
+            assertEquals(-1, ret);
+        }).doesNotThrowAnyException();
+
+    }
+
+    @Test
+    public void testEventSchemaBadType() {
+        modelFile = "src/test/resources/SmallModel.json";
+        type = "default";
+        Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
+        assertThatCode(() -> {
+            int ret = app.runApp();
+            assertEquals(-1, ret);
+        }).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testEventSchemaStimuli() {
+        modelFile = "src/test/resources/SmallModel.json";
+        type = "stimuli";
+        Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
+        assertThatCode(() -> {
+            int ret = app.runApp();
+            assertEquals(0, ret);
+        }).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testEventSchemaResponse() {
+        modelFile = "src/test/resources/SmallModel.json";
+        type = "response";
+        Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
+        assertThatCode(() -> {
+            int ret = app.runApp();
+            assertEquals(0, ret);
+        }).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testEventSchemaInternal() {
+        modelFile = "src/test/resources/SmallModel.json";
+        type = "internal";
+        Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
+        assertThatCode(() -> {
+            int ret = app.runApp();
+            assertEquals(0, ret);
+        }).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testEventSchemaNotSimpleType() {
+        modelFile = "src/test/resources/ExecutionPropertiesRestTestPolicyModel.json";
+        type = "internal";
+        Model2JsonEventSchema app = new Model2JsonEventSchema(modelFile, type, APP_NAME);
+        final STGroupFile stg = new STGroupFile("org/onap/policy/apex/tools/model/generator/event-json.stg");
+
+        Field stringField = new Field("string", Schema.create(Type.STRING), null, null);
+        Field enumField =
+                new Field("enum", Schema.createEnum("my_enum", "doc", null, Arrays.asList("a", "b", "c")), null, null);
+        Schema schema = Schema.createRecord("my_record", "doc", "mytest", false);
+        schema.setFields(Arrays.asList(stringField, enumField));
+        Schema arrayOut = Schema.createArray(schema);
+        Schema mapOut = Schema.createMap(arrayOut);
+        app.addFieldType(mapOut, stg);
+        assertThatCode(() -> {
+            int ret = app.runApp();
+            assertEquals(0, ret);
+        }).doesNotThrowAnyException();
+    }
+
+    @AfterClass
+    public static void cleanTest() {
+        ParameterService.deregister(ContextParameterConstants.SCHEMA_GROUP_NAME);
+        ModelService.clear();
+    }
+}
\ No newline at end of file
diff --git a/tools/model-generator/src/test/resources/ExecutionPropertiesRestTestPolicyModel.json b/tools/model-generator/src/test/resources/ExecutionPropertiesRestTestPolicyModel.json
new file mode 100644
index 000000000..14a6234e3
--- /dev/null
+++ b/tools/model-generator/src/test/resources/ExecutionPropertiesRestTestPolicyModel.json
@@ -0,0 +1,530 @@
+{
+   "apexPolicyModel" : {
+      "key" : {
+         "name" : "ExecutionPropertiesRestTestPolicyModel",
+         "version" : "0.0.1"
+      },
+      "keyInformation" : {
+         "key" : {
+            "name" : "ExecutionPropertiesRestTestPolicyModel_KeyInfo",
+            "version" : "0.0.1"
+         },
+         "keyInfoMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "Event0200",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "Event0200",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "7be89b0e-07a6-38fe-a8fb-94f3f3473883",
+                  "description" : "Generated description for concept referred to by key \"Event0200:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "Event0201",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "Event0201",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "a44bcbd7-c30e-3a78-a9be-3cd3cecf1c93",
+                  "description" : "Generated description for concept referred to by key \"Event0201:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "ExecutionPropertiesRestTestPolicyModel",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "ExecutionPropertiesRestTestPolicyModel",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "08ff4009-748a-3b9c-90f8-a4ac19ebb472",
+                  "description" : "Generated description for concept referred to by key \"ExecutionPropertiesRestTestPolicyModel:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "ExecutionPropertiesRestTestPolicyModel_Events",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "ExecutionPropertiesRestTestPolicyModel_Events",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "afe732b9-baff-3235-a75c-29a0669b0d1d",
+                  "description" : "Generated description for concept referred to by key \"ExecutionPropertiesRestTestPolicyModel_Events:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "ExecutionPropertiesRestTestPolicyModel_KeyInfo",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "ExecutionPropertiesRestTestPolicyModel_KeyInfo",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "9ec07b81-7488-3b33-907e-335256c96e08",
+                  "description" : "Generated description for concept referred to by key \"ExecutionPropertiesRestTestPolicyModel_KeyInfo:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "ExecutionPropertiesRestTestPolicyModel_Policies",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "ExecutionPropertiesRestTestPolicyModel_Policies",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "c1df0d76-7445-32ca-914f-06167254fbce",
+                  "description" : "Generated description for concept referred to by key \"ExecutionPropertiesRestTestPolicyModel_Policies:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "ExecutionPropertiesRestTestPolicyModel_Schemas",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "ExecutionPropertiesRestTestPolicyModel_Schemas",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "9984fed6-9ec5-3c69-a458-5033767f00f1",
+                  "description" : "Generated description for concept referred to by key \"ExecutionPropertiesRestTestPolicyModel_Schemas:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "ExecutionPropertiesRestTestPolicyModel_Tasks",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "ExecutionPropertiesRestTestPolicyModel_Tasks",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "08f87bf9-4056-30de-8c4e-179f06bdaabb",
+                  "description" : "Generated description for concept referred to by key \"ExecutionPropertiesRestTestPolicyModel_Tasks:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "Policy2",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "Policy2",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "9d2804df-f77d-3018-a024-5c6f7fd8e60e",
+                  "description" : "Generated description for concept referred to by key \"Policy2:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SimpleStringType",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SimpleStringType",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "8a4957cf-9493-3a76-8c22-a208e23259af",
+                  "description" : "Generated description for concept referred to by key \"SimpleStringType:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "TaskFetchHttpCode",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "TaskFetchHttpCode",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "0a776ac8-cc11-37a5-8f40-7262a31ada0a",
+                  "description" : "Generated description for concept referred to by key \"TaskFetchHttpCode:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "TaskTagUrl",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "TaskTagUrl",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "638c559b-dc94-3d71-bdb0-c4bdeb042de3",
+                  "description" : "Generated description for concept referred to by key \"TaskTagUrl:0.0.1\""
+               }
+            } ]
+         }
+      },
+      "policies" : {
+         "key" : {
+            "name" : "ExecutionPropertiesRestTestPolicyModel_Policies",
+            "version" : "0.0.1"
+         },
+         "policyMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "Policy2",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "policyKey" : {
+                     "name" : "Policy2",
+                     "version" : "0.0.1"
+                  },
+                  "template" : "freestyle",
+                  "state" : {
+                     "entry" : [ {
+                        "key" : "Decide",
+                        "value" : {
+                           "stateKey" : {
+                              "parentKeyName" : "Policy2",
+                              "parentKeyVersion" : "0.0.1",
+                              "parentLocalName" : "NULL",
+                              "localName" : "Decide"
+                           },
+                           "trigger" : {
+                              "name" : "Event0201",
+                              "version" : "0.0.1"
+                           },
+                           "stateOutputs" : {
+                              "entry" : [ {
+                                 "key" : "TagUrlOut",
+                                 "value" : {
+                                    "key" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "Decide",
+                                       "localName" : "TagUrlOut"
+                                    },
+                                    "outgoingEvent" : {
+                                       "name" : "Event0201",
+                                       "version" : "0.0.1"
+                                    },
+                                    "nextState" : {
+                                       "parentKeyName" : "NULL",
+                                       "parentKeyVersion" : "0.0.0",
+                                       "parentLocalName" : "NULL",
+                                       "localName" : "NULL"
+                                    }
+                                 }
+                              } ]
+                           },
+                           "contextAlbumReference" : [ ],
+                           "taskSelectionLogic" : {
+                              "key" : "NULL",
+                              "logicFlavour" : "UNDEFINED",
+                              "logic" : ""
+                           },
+                           "stateFinalizerLogicMap" : {
+                              "entry" : [ ]
+                           },
+                           "defaultTask" : {
+                              "name" : "TaskTagUrl",
+                              "version" : "0.0.1"
+                           },
+                           "taskReferences" : {
+                              "entry" : [ {
+                                 "key" : {
+                                    "name" : "TaskTagUrl",
+                                    "version" : "0.0.1"
+                                 },
+                                 "value" : {
+                                    "key" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "Decide",
+                                       "localName" : "tag"
+                                    },
+                                    "outputType" : "DIRECT",
+                                    "output" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "Decide",
+                                       "localName" : "TagUrlOut"
+                                    }
+                                 }
+                              } ]
+                           }
+                        }
+                     }, {
+                        "key" : "Junit",
+                        "value" : {
+                           "stateKey" : {
+                              "parentKeyName" : "Policy2",
+                              "parentKeyVersion" : "0.0.1",
+                              "parentLocalName" : "NULL",
+                              "localName" : "Junit"
+                           },
+                           "trigger" : {
+                              "name" : "Event0200",
+                              "version" : "0.0.1"
+                           },
+                           "stateOutputs" : {
+                              "entry" : [ {
+                                 "key" : "HttpCodeOut",
+                                 "value" : {
+                                    "key" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "Junit",
+                                       "localName" : "HttpCodeOut"
+                                    },
+                                    "outgoingEvent" : {
+                                       "name" : "Event0201",
+                                       "version" : "0.0.1"
+                                    },
+                                    "nextState" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "NULL",
+                                       "localName" : "Decide"
+                                    }
+                                 }
+                              } ]
+                           },
+                           "contextAlbumReference" : [ ],
+                           "taskSelectionLogic" : {
+                              "key" : "NULL",
+                              "logicFlavour" : "UNDEFINED",
+                              "logic" : ""
+                           },
+                           "stateFinalizerLogicMap" : {
+                              "entry" : [ ]
+                           },
+                           "defaultTask" : {
+                              "name" : "TaskFetchHttpCode",
+                              "version" : "0.0.1"
+                           },
+                           "taskReferences" : {
+                              "entry" : [ {
+                                 "key" : {
+                                    "name" : "TaskFetchHttpCode",
+                                    "version" : "0.0.1"
+                                 },
+                                 "value" : {
+                                    "key" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "Junit",
+                                       "localName" : "check"
+                                    },
+                                    "outputType" : "DIRECT",
+                                    "output" : {
+                                       "parentKeyName" : "Policy2",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "Junit",
+                                       "localName" : "HttpCodeOut"
+                                    }
+                                 }
+                              } ]
+                           }
+                        }
+                     } ]
+                  },
+                  "firstState" : "Junit"
+               }
+            } ]
+         }
+      },
+      "tasks" : {
+         "key" : {
+            "name" : "ExecutionPropertiesRestTestPolicyModel_Tasks",
+            "version" : "0.0.1"
+         },
+         "taskMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "TaskFetchHttpCode",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "TaskFetchHttpCode",
+                     "version" : "0.0.1"
+                  },
+                  "inputFields" : {
+                     "entry" : [ {
+                        "key" : "testToRun",
+                        "value" : {
+                           "key" : "testToRun",
+                           "fieldSchemaKey" : {
+                              "name" : "SimpleStringType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  },
+                  "outputFields" : {
+                     "entry" : [ {
+                        "key" : "testToRun",
+                        "value" : {
+                           "key" : "testToRun",
+                           "fieldSchemaKey" : {
+                              "name" : "SimpleStringType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  },
+                  "taskParameters" : {
+                     "entry" : [ ]
+                  },
+                  "contextAlbumReference" : [ ],
+                  "taskLogic" : {
+                     "key" : "TaskLogic",
+                     "logicFlavour" : "JAVASCRIPT",
+                     "logic" : "/*\n * ============LICENSE_START=======================================================\n *  Copyright (C) 2019 Nordix Foundation.\n * ================================================================================\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *      http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n * SPDX-License-Identifier: Apache-2.0\n * ============LICENSE_END=========================================================\n */\n\nexecutor.logger.info(executor.subject.id);\nexecutor.logger.info(executor.inFields);\n\nexecutor.logger.info(executor.outFields);\n\nexecutor.logger.info(\"executionProperties:\" + executor.getExecutionProperties());\n\nif (executor.getExecutionProperties() == \"{HTTP_CODE_STATUS=500}\" )\nexecutor.outFields.put(\"testToRun\", \"CodeFilterSet\");\nelse\nexecutor.outFields.put(\"testToRun\", \"CodeFilterDefault\");\n\nvar returnValue = executor.isTrue;"
+                  }
+               }
+            }, {
+               "key" : {
+                  "name" : "TaskTagUrl",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "TaskTagUrl",
+                     "version" : "0.0.1"
+                  },
+                  "inputFields" : {
+                     "entry" : [ {
+                        "key" : "testToRun",
+                        "value" : {
+                           "key" : "testToRun",
+                           "fieldSchemaKey" : {
+                              "name" : "SimpleStringType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  },
+                  "outputFields" : {
+                     "entry" : [ {
+                        "key" : "testToRun",
+                        "value" : {
+                           "key" : "testToRun",
+                           "fieldSchemaKey" : {
+                              "name" : "SimpleStringType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  },
+                  "taskParameters" : {
+                     "entry" : [ ]
+                  },
+                  "contextAlbumReference" : [ ],
+                  "taskLogic" : {
+                     "key" : "TaskLogic",
+                     "logicFlavour" : "JAVASCRIPT",
+                     "logic" : "/*\n * ============LICENSE_START=======================================================\n *  Copyright (C) 2019 Nordix Foundation.\n * ================================================================================\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *      http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n * SPDX-License-Identifier: Apache-2.0\n * ============LICENSE_END=========================================================\n */\n\nexecutor.logger.info(executor.subject.id);\nexecutor.logger.info(executor.inFields);\n\nexecutor.logger.info(executor.outFields);\n\nexecutor.logger.info(\"executionProperties in:\" + executor.getExecutionProperties());\n\nexecutor.getExecutionProperties().setProperty(\"tagId\", executor.inFields.get(\"testToRun\"));\nexecutor.getExecutionProperties().setProperty(\"value\", \"3\");\n\nexecutor.logger.info(\"executionProperties out:\" + executor.getExecutionProperties());\n\nvar returnValue = executor.isTrue;"
+                  }
+               }
+            } ]
+         }
+      },
+      "events" : {
+         "key" : {
+            "name" : "ExecutionPropertiesRestTestPolicyModel_Events",
+            "version" : "0.0.1"
+         },
+         "eventMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "Event0200",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "Event0200",
+                     "version" : "0.0.1"
+                  },
+                  "nameSpace" : "org.onap.policy.apex.domains.test",
+                  "source" : "Junit",
+                  "target" : "Decide",
+                  "parameter" : {
+                     "entry" : [ {
+                        "key" : "testToRun",
+                        "value" : {
+                           "key" : "testToRun",
+                           "fieldSchemaKey" : {
+                              "name" : "SimpleStringType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  }
+               }
+            }, {
+               "key" : {
+                  "name" : "Event0201",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "Event0201",
+                     "version" : "0.0.1"
+                  },
+                  "nameSpace" : "org.onap.policy.apex.domains.test",
+                  "source" : "Decide",
+                  "target" : "OutSide",
+                  "parameter" : {
+                     "entry" : [ {
+                        "key" : "testToRun",
+                        "value" : {
+                           "key" : "testToRun",
+                           "fieldSchemaKey" : {
+                              "name" : "SimpleStringType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  }
+               }
+            } ]
+         }
+      },
+      "schemas" : {
+         "key" : {
+            "name" : "ExecutionPropertiesRestTestPolicyModel_Schemas",
+            "version" : "0.0.1"
+         },
+         "schemas" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "SimpleStringType",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SimpleStringType",
+                     "version" : "0.0.1"
+                  },
+                  "schemaFlavour" : "Java",
+                  "schemaDefinition" : "java.lang.String"
+               }
+            } ]
+         }
+      }
+   }
+}
diff --git a/tools/model-generator/src/test/resources/SmallModel.json b/tools/model-generator/src/test/resources/SmallModel.json
new file mode 100644
index 000000000..5c0628809
--- /dev/null
+++ b/tools/model-generator/src/test/resources/SmallModel.json
@@ -0,0 +1,416 @@
+{
+   "apexPolicyModel" : {
+      "key" : {
+         "name" : "SmallModel",
+         "version" : "0.0.1"
+      },
+      "keyInformation" : {
+         "key" : {
+            "name" : "SmallModel_KeyInfo",
+            "version" : "0.0.1"
+         },
+         "keyInfoMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "BasicContextAlbum",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicContextAlbum",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "fec1b353-b35f-4384-b7d9-69622059c248",
+                  "description" : "Generated description for a concept called \"BasicContextAlbum\" with version \"0.0.1\" and UUID \"fec1b353-b35f-4384-b7d9-69622059c248\""
+               }
+            }, {
+               "key" : {
+                  "name" : "BasicEvent",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicEvent",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "cc8d3c1a-e975-459a-bcd2-69f423eaa1f3",
+                  "description" : "Generated description for a concept called \"BasicEvent\" with version \"0.0.1\" and UUID \"cc8d3c1a-e975-459a-bcd2-69f423eaa1f3\""
+               }
+            }, {
+               "key" : {
+                  "name" : "BasicPolicy",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicPolicy",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "d0c5d8ee-5fe7-4978-89ce-4a3e69cad043",
+                  "description" : "Generated description for a concept called \"BasicPolicy\" with version \"0.0.1\" and UUID \"d0c5d8ee-5fe7-4978-89ce-4a3e69cad043\""
+               }
+            }, {
+               "key" : {
+                  "name" : "BasicTask",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicTask",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "c5651414-fc1c-493b-878d-75f0ce685c36",
+                  "description" : "Generated description for a concept called \"BasicTask\" with version \"0.0.1\" and UUID \"c5651414-fc1c-493b-878d-75f0ce685c36\""
+               }
+            }, {
+               "key" : {
+                  "name" : "IntType",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "IntType",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "790ff718-8dc0-44e0-89d8-1b3bbe238310",
+                  "description" : "Generated description for a concept called \"IntType\" with version \"0.0.1\" and UUID \"790ff718-8dc0-44e0-89d8-1b3bbe238310\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "a1bd1f4e-713b-456b-b1a8-bb48beee28e8",
+                  "description" : "Generated description for a concept called \"SmallModel\" with version \"0.0.1\" and UUID \"a1bd1f4e-713b-456b-b1a8-bb48beee28e8\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel_Albums",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel_Albums",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "72bed9af-ab7d-3379-b9f7-b5eca5c9ef22",
+                  "description" : "Generated description for concept referred to by key \"SmallModel_Albums:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel_Events",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel_Events",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "796dc6b0-627d-34ae-a5e2-1bc4b4b486b8",
+                  "description" : "Generated description for concept referred to by key \"SmallModel_Events:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel_KeyInfo",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel_KeyInfo",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "b4876774-6907-3d27-a2b8-f05737c5ee4a",
+                  "description" : "Generated description for concept referred to by key \"SmallModel_KeyInfo:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel_Policies",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel_Policies",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "5bcf946b-67be-3190-a906-f954896f999f",
+                  "description" : "Generated description for concept referred to by key \"SmallModel_Policies:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel_Schemas",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel_Schemas",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "c25bf5c3-7f1e-3667-b8a9-971ba21517bc",
+                  "description" : "Generated description for concept referred to by key \"SmallModel_Schemas:0.0.1\""
+               }
+            }, {
+               "key" : {
+                  "name" : "SmallModel_Tasks",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "SmallModel_Tasks",
+                     "version" : "0.0.1"
+                  },
+                  "UUID" : "43b015ca-2ed1-3a35-b103-e8a5aa68f1ef",
+                  "description" : "Generated description for concept referred to by key \"SmallModel_Tasks:0.0.1\""
+               }
+            } ]
+         }
+      },
+      "policies" : {
+         "key" : {
+            "name" : "SmallModel_Policies",
+            "version" : "0.0.1"
+         },
+         "policyMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "BasicPolicy",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "policyKey" : {
+                     "name" : "BasicPolicy",
+                     "version" : "0.0.1"
+                  },
+                  "template" : "FREEFORM",
+                  "state" : {
+                     "entry" : [ {
+                        "key" : "OnlyState",
+                        "value" : {
+                           "stateKey" : {
+                              "parentKeyName" : "BasicPolicy",
+                              "parentKeyVersion" : "0.0.1",
+                              "parentLocalName" : "NULL",
+                              "localName" : "OnlyState"
+                           },
+                           "trigger" : {
+                              "name" : "BasicEvent",
+                              "version" : "0.0.1"
+                           },
+                           "stateOutputs" : {
+                              "entry" : [ {
+                                 "key" : "OnlyOutput",
+                                 "value" : {
+                                    "key" : {
+                                       "parentKeyName" : "BasicPolicy",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "OnlyState",
+                                       "localName" : "OnlyOutput"
+                                    },
+                                    "outgoingEvent" : {
+                                       "name" : "BasicEvent",
+                                       "version" : "0.0.1"
+                                    },
+                                    "nextState" : {
+                                       "parentKeyName" : "NULL",
+                                       "parentKeyVersion" : "0.0.0",
+                                       "parentLocalName" : "NULL",
+                                       "localName" : "NULL"
+                                    }
+                                 }
+                              } ]
+                           },
+                           "contextAlbumReference" : [ {
+                              "name" : "BasicContextAlbum",
+                              "version" : "0.0.1"
+                           } ],
+                           "taskSelectionLogic" : {
+                              "key" : "NULL",
+                              "logicFlavour" : "UNDEFINED",
+                              "logic" : ""
+                           },
+                           "stateFinalizerLogicMap" : {
+                              "entry" : [ ]
+                           },
+                           "defaultTask" : {
+                              "name" : "BasicTask",
+                              "version" : "0.0.1"
+                           },
+                           "taskReferences" : {
+                              "entry" : [ {
+                                 "key" : {
+                                    "name" : "BasicTask",
+                                    "version" : "0.0.1"
+                                 },
+                                 "value" : {
+                                    "key" : {
+                                       "parentKeyName" : "BasicPolicy",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "OnlyState",
+                                       "localName" : "BasicTask"
+                                    },
+                                    "outputType" : "DIRECT",
+                                    "output" : {
+                                       "parentKeyName" : "BasicPolicy",
+                                       "parentKeyVersion" : "0.0.1",
+                                       "parentLocalName" : "OnlyState",
+                                       "localName" : "OnlyOutput"
+                                    }
+                                 }
+                              } ]
+                           }
+                        }
+                     } ]
+                  },
+                  "firstState" : "OnlyState"
+               }
+            } ]
+         }
+      },
+      "tasks" : {
+         "key" : {
+            "name" : "SmallModel_Tasks",
+            "version" : "0.0.1"
+         },
+         "taskMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "BasicTask",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicTask",
+                     "version" : "0.0.1"
+                  },
+                  "inputFields" : {
+                     "entry" : [ {
+                        "key" : "intPar",
+                        "value" : {
+                           "key" : "intPar",
+                           "fieldSchemaKey" : {
+                              "name" : "IntType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  },
+                  "outputFields" : {
+                     "entry" : [ {
+                        "key" : "intPar",
+                        "value" : {
+                           "key" : "intPar",
+                           "fieldSchemaKey" : {
+                              "name" : "IntType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  },
+                  "taskParameters" : {
+                     "entry" : [ ]
+                  },
+                  "contextAlbumReference" : [ {
+                     "name" : "BasicContextAlbum",
+                     "version" : "0.0.1"
+                  } ],
+                  "taskLogic" : {
+                     "key" : "TaskLogic",
+                     "logicFlavour" : "JAVASCRIPT",
+                     "logic" : "executor.logger.debug(executor.subject.id);\nvar gc = executor.getContextAlbum(\"BasicContextAlbum\");\nexecutor.logger.debug(gc.name);\nexecutor.logger.debug(executor.inFields);\n\nexecutor.logger.debug(executor.eo);\n\nvar returnValue = executor.isTrue;"
+                  }
+               }
+            } ]
+         }
+      },
+      "events" : {
+         "key" : {
+            "name" : "SmallModel_Events",
+            "version" : "0.0.1"
+         },
+         "eventMap" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "BasicEvent",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicEvent",
+                     "version" : "0.0.1"
+                  },
+                  "nameSpace" : "org.onap.policy.apex.events",
+                  "source" : "source",
+                  "target" : "target",
+                  "parameter" : {
+                     "entry" : [ {
+                        "key" : "intPar",
+                        "value" : {
+                           "key" : "intPar",
+                           "fieldSchemaKey" : {
+                              "name" : "IntType",
+                              "version" : "0.0.1"
+                           },
+                           "optional" : false
+                        }
+                     } ]
+                  }
+               }
+            } ]
+         }
+      },
+      "albums" : {
+         "key" : {
+            "name" : "SmallModel_Albums",
+            "version" : "0.0.1"
+         },
+         "albums" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "BasicContextAlbum",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "BasicContextAlbum",
+                     "version" : "0.0.1"
+                  },
+                  "scope" : "GLOBAL",
+                  "isWritable" : true,
+                  "itemSchema" : {
+                     "name" : "IntType",
+                     "version" : "0.0.1"
+                  }
+               }
+            } ]
+         }
+      },
+      "schemas" : {
+         "key" : {
+            "name" : "SmallModel_Schemas",
+            "version" : "0.0.1"
+         },
+         "schemas" : {
+            "entry" : [ {
+               "key" : {
+                  "name" : "IntType",
+                  "version" : "0.0.1"
+               },
+               "value" : {
+                  "key" : {
+                     "name" : "IntType",
+                     "version" : "0.0.1"
+                  },
+                  "schemaFlavour" : "Java",
+                  "schemaDefinition" : "java.lang.Integer"
+               }
+            } ]
+         }
+      }
+   }
+}
diff --git a/tools/model-generator/src/test/resources/blankSchema.json b/tools/model-generator/src/test/resources/blankSchema.json
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/tools/model-generator/src/test/resources/blankSchema.json