Adds ConditionSet composition policy. Allows conditions to be added to conditionSets

src/plugins/conditionSet/conditionSetCompositionPolicy.js

@@ -0,0 +1,36 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2019, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is 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.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+export default function ConditionSetCompositionPolicy(openmct) {
+    return {
+        allow: function (parent, child) {
+            let parentType = parent.type;
+            let childType = child.type;
+
+            if (parentType === 'conditionSet' && childType !== 'condition') {
+                return false;
+            }
+
+            return true;
+        }
+    }
+}

src/plugins/conditionSet/conditionSetCompositionPolicySpec.js

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+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2019, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is 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.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+import ConditionSetCompositionPolicy  from './conditionSetCompositionPolicy';
+import { createOpenMct } from "testTools";
+
+describe('ConditionSetCompositionPolicy', () => {
+    let policy;
+    let openmct;
+    let parentDomainObject;
+    let childDomainObject;
+    let composition;
+
+    beforeEach(function () {
+        openmct = createOpenMct();
+        policy = new ConditionSetCompositionPolicy(openmct);
+        parentDomainObject = {};
+        childDomainObject = {};
+        composition = {};
+    });
+
+    it('returns true for object types that are not conditionSets', function () {
+        parentDomainObject = {
+            type: 'random'
+        };
+        childDomainObject = {
+            type: ''
+        };
+        expect(policy.allow(parentDomainObject, childDomainObject)).toBe(true);
+    });
+
+    it('returns false for object types that are not conditions when parent is a conditionSet', function () {
+        parentDomainObject = {
+            type: 'conditionSet'
+        };
+        childDomainObject = {
+            type: ''
+        };
+        expect(policy.allow(parentDomainObject, childDomainObject)).toBe(false);
+    });
+
+    it('returns true for object types that are conditions when parent is a conditionSet', function () {
+        parentDomainObject = {
+            type: 'conditionSet'
+        };
+        childDomainObject = {
+            type: 'condition'
+        };
+        expect(policy.allow(parentDomainObject, childDomainObject)).toBe(true);
+    });
+
+});