Initial add of APPC client libraries

Issue-ID: APPC-180
Change-Id: Ie0be2b518b90bb7f9996e9260c43fef75d1a5821
Signed-off-by: Skip Wonnell <kw5258@att.com>

1 files changed, 171 insertions, 0 deletions

diff --git a/appc-client/client-kit/src/test/java/json2java/Json2JavaGeneratorTest.java b/appc-client/client-kit/src/test/java/json2java/Json2JavaGeneratorTest.java
new file mode 100644
index 000000000..b5ded0283
--- /dev/null
+++ b/appc-client/client-kit/src/test/java/json2java/Json2JavaGeneratorTest.java
@@ -0,0 +1,171 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package json2java;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.openecomp.appc.generator.JsonHelper;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.*;
+import java.util.regex.Pattern;
+
+public class Json2JavaGeneratorTest {
+
+    private static JsonNode jsonNode = null;
+    private static final String MODEL_PACKAGE = "org.openecomp.appc.client.lcm.model";
+    private static final String GENERATED_LCM_API_CLASS = "org.openecomp.appc.client.lcm.api.LifeCycleManagerStateful";
+
+    //@Before
+    public void readIOfiles() throws IOException{
+        if(jsonNode == null){
+            jsonRead();
+        }
+
+    }
+
+    //@Test
+    public void testGeneratedJavaModel() {
+        Iterator<Map.Entry<String, JsonNode>> definitions = jsonNode.get("definitions").fields();
+        for (; definitions.hasNext(); ) {
+            Map.Entry<String, JsonNode> definitionEntry = definitions.next();
+            String definitionEntryKey = definitionEntry.getKey();
+            String className = MODEL_PACKAGE + "." + definitionEntryKey;
+            Class<?> generatedClass = null;
+            String errMsg = "the " + className + " was supposed to be generated, but not found";
+            try {
+                generatedClass = Class.forName(className);
+                Assert.assertNotNull(errMsg, generatedClass);
+            } catch (ClassNotFoundException e) {
+                Assert.fail(errMsg);
+            }
+
+            JsonNode properties = definitionEntry.getValue().get("properties");
+            if (generatedClass != null && properties != null && properties.fields() != null) {
+                Field[] declaredFields = generatedClass.getDeclaredFields();
+                Set<String> generatedFieldNames = new HashSet();
+                for(Field field : declaredFields){
+                    generatedFieldNames.add(field.getName().toLowerCase());
+                }
+                Iterator<Map.Entry<String, JsonNode>> propertiesFields = properties.fields();
+                int totalExpectedFields = 0;
+                for (; propertiesFields.hasNext(); ) {
+                    totalExpectedFields++;
+                    Map.Entry<String, JsonNode> propertyEntry = propertiesFields.next();
+                    String propertyEntryKey = propertyEntry.getKey();
+                    String fieldNameFromJson = propertyEntryKey.replaceAll(Pattern.quote("-"),"").toLowerCase();
+                    errMsg = "the field " + propertyEntryKey + " for " + className + " was supposed to be generated, but not found";
+                    boolean contains = generatedFieldNames.contains(fieldNameFromJson);
+                    Assert.assertTrue(errMsg, contains);
+                }
+                Assert.assertEquals("number of fields in "+className+" are not as expected!",totalExpectedFields,generatedFieldNames.size());
+            }
+        }
+    }
+
+    //@Test
+    public void testGeneratedJavaAPI() {
+        Map<String/*rpcOperation*/,Set<String> /*bodyInputParams*/> jsonBodyInputParams = new HashMap();
+        Map<String/*rpcOperation*/,Set<String> /*bodyOutputParams*/> jsonBodyOutputParams= new HashMap();
+        JsonHelper.populateRpcInputOutputSchemaRefFromJson(jsonNode,jsonBodyInputParams, jsonBodyOutputParams);
+        Assert.assertFalse(jsonBodyInputParams.isEmpty());
+        Assert.assertFalse(jsonBodyOutputParams.isEmpty());
+
+        //verify LifecycleManagementStatefulService was generated
+        Class<?> generatedClass = null;
+        String errMsg = "the " + GENERATED_LCM_API_CLASS + " was supposed to be generated, but not found";
+        try {
+            generatedClass = Class.forName(GENERATED_LCM_API_CLASS);
+            Assert.assertNotNull(errMsg, generatedClass);
+        } catch (ClassNotFoundException e) {
+            Assert.fail(errMsg);
+        }
+
+        //verify LifecycleManagementStatefulService was generated with methods
+        Method[] declaredMethods = generatedClass.getDeclaredMethods();
+        Assert.assertNotNull("no method was generated for "+GENERATED_LCM_API_CLASS,declaredMethods);
+
+        //verify correctness of input parameters and return type of each method
+        Set<String> generatedNonVoidMethods = new HashSet();
+        Set<String> generatedVoidMethods = new HashSet();
+        for(Method method : declaredMethods){
+            String returnType = method.getReturnType().getName();
+            Class<?>[] parameterTypes = method.getParameterTypes();
+            String methodName = method.getName().toLowerCase();
+            if(returnType.equals("void")){
+                generatedVoidMethods.add(methodName);
+            }else {
+                generatedNonVoidMethods.add(methodName);
+                //verify correctness of return type
+                String returnTypeSuffix = JsonHelper.getStringSuffix(returnType,".");
+                Set<String> jsonOutputParams = jsonBodyOutputParams.get(methodName);
+                Assert.assertNotNull(methodName+ " was not expected to return anything!",jsonOutputParams);
+                boolean contains = jsonOutputParams.contains(returnTypeSuffix);
+                Assert.assertTrue(methodName+ " was not expected to be with "+returnTypeSuffix+" return type!", contains);
+            }
+            //verify correctness of method input parameters
+            for (Class<?> parameterType :parameterTypes){
+                String parameterTypeSuffix = JsonHelper.getStringSuffix(parameterType.getName(), ".");
+                if(returnType.equals("void") && parameterTypeSuffix.equals("ResponseHandler")){
+                    continue;
+                }
+                Set<String> jsonInputParams = jsonBodyInputParams.get(methodName);
+                Assert.assertNotNull(methodName+ " was not expected to be with any input parameter!",jsonInputParams);
+                boolean contains = jsonInputParams.contains(parameterTypeSuffix);
+                Assert.assertTrue(methodName+ " was not expected to be with "+parameterTypeSuffix+" parameter!", contains);
+            }
+
+        }
+
+        //verify total number of generated methods is same as expected
+        Assert.assertEquals("Total number of generated methods are not as expected!!",jsonBodyInputParams.size()*2,declaredMethods.length);
+        //verify all expected methods(void and non void) were generated
+        for(Map.Entry<String, Set<String>> rpcInputParams : jsonBodyInputParams.entrySet()){
+            errMsg = "none void method " + rpcInputParams.getKey() + "(case insensitive) for " + GENERATED_LCM_API_CLASS + " was supposed to be generated, but not found";
+            boolean contains = generatedNonVoidMethods.contains(rpcInputParams.getKey());
+            Assert.assertTrue(errMsg, contains);
+
+            errMsg = "void method " + rpcInputParams.getKey() + "(case insensitive) for " + GENERATED_LCM_API_CLASS + " was supposed to be generated, but not found";
+            contains = generatedVoidMethods.contains(rpcInputParams.getKey());
+            Assert.assertTrue(errMsg, contains);
+        }
+
+    }
+
+
+    private static void jsonRead ()throws IOException {
+        String jsonFilePath = System.getProperty("outputFile");
+        File file = new File(jsonFilePath);
+        ObjectMapper mapper = new ObjectMapper();
+        jsonNode = mapper.readTree(file);
+    }
+
+}