1 files changed, 92 insertions, 0 deletions
diff --git a/model/src/test/java/org/onap/policy/apex/model/policymodel/handling/PolicyModelMergerTest.java b/model/src/test/java/org/onap/policy/apex/model/policymodel/handling/PolicyModelMergerTest.java
new file mode 100644
index 000000000..2bdf7499f
--- /dev/null
+++ b/model/src/test/java/org/onap/policy/apex/model/policymodel/handling/PolicyModelMergerTest.java
@@ -0,0 +1,92 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
+ * ================================================================================
+ * 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.model.policymodel.handling;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.handling.ApexModelException;
+import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
+import org.onap.policy.apex.model.policymodel.concepts.AxTaskLogic;
+
+/**
+ * Test model merging.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+public class PolicyModelMergerTest {
+
+    @Test
+    public void testPolicyModelMerger() throws ApexModelException {
+        final AxPolicyModel leftPolicyModel = new SupportApexPolicyModelCreator().getModel();
+        final AxPolicyModel rightPolicyModel = new SupportApexPolicyModelCreator().getModel();
+
+        AxPolicyModel mergedPolicyModel =
+            PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, false, false);
+        assertEquals(leftPolicyModel, mergedPolicyModel);
+        assertEquals(rightPolicyModel, mergedPolicyModel);
+
+        leftPolicyModel.setKey(new AxArtifactKey("LeftPolicyModel", "0.0.1"));
+        assertThatThrownBy(
+            () -> PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, false, false))
+                .hasMessageContaining("left model is invalid: \n***validation of model failed");
+
+        leftPolicyModel.setKey(new AxArtifactKey("LeftPolicyModel", "0.0.1"));
+        assertNotNull(PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, false, true, false));
+
+        leftPolicyModel.getKeyInformation().generateKeyInfo(leftPolicyModel);
+        mergedPolicyModel = PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, true, false);
+        assertNotNull(mergedPolicyModel);
+
+        rightPolicyModel.setKey(new AxArtifactKey("RightPolicyModel", "0.0.1"));
+        assertThatThrownBy(
+            () -> PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, false, false))
+                .hasMessageContaining("right model is invalid: \n***validation of model failed");
+
+        rightPolicyModel.setKey(new AxArtifactKey("RightPolicyModel", "0.0.1"));
+        assertNotNull(PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, false, true, false));
+
+        rightPolicyModel.getKeyInformation().generateKeyInfo(rightPolicyModel);
+        mergedPolicyModel = PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel, false, false);
+        assertNotNull(mergedPolicyModel);
+
+        final AxPolicyModel rightPolicyModel2 = new SupportApexPolicyModelCreator().getAnotherModel();
+        mergedPolicyModel = PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel2, true, false);
+        assertNotNull(mergedPolicyModel);
+
+        mergedPolicyModel = PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel2, true, true);
+        assertNotNull(mergedPolicyModel);
+
+        final AxPolicyModel rightPolicyModel3 = new SupportApexPolicyModelCreator().getModel();
+        AxArtifactKey taskArtifactKey = new AxArtifactKey("task", "0.0.1");
+        // fail when concepts in two policies have same name but different definition
+        // here make up some change so as to update the definition of the task in second policy
+        rightPolicyModel3.getTasks().getTaskMap().get(taskArtifactKey)
+            .setTaskLogic(new AxTaskLogic(taskArtifactKey, "logicName", "logicFlavour", "logicImpl"));
+        assertThatThrownBy(() -> PolicyModelMerger.getMergedPolicyModel(leftPolicyModel, rightPolicyModel3, true, true))
+            .hasMessage("\n Same task - task:0.0.1 with different definitions used in different policies");
+    }
+}