1 files changed, 109 insertions, 0 deletions
diff --git a/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/FilterUtilsTest.java b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/FilterUtilsTest.java
new file mode 100644
index 00000000..ba517194
--- /dev/null
+++ b/feature-pooling-dmaap/src/test/java/org/onap/policy/drools/pooling/state/FilterUtilsTest.java
@@ -0,0 +1,109 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.pooling.state;
+
+import static org.junit.Assert.assertEquals;
+import static org.onap.policy.drools.pooling.state.FilterUtils.CLASS_AND;
+import static org.onap.policy.drools.pooling.state.FilterUtils.CLASS_EQUALS;
+import static org.onap.policy.drools.pooling.state.FilterUtils.CLASS_OR;
+import static org.onap.policy.drools.pooling.state.FilterUtils.JSON_CLASS;
+import static org.onap.policy.drools.pooling.state.FilterUtils.JSON_FIELD;
+import static org.onap.policy.drools.pooling.state.FilterUtils.JSON_FILTERS;
+import static org.onap.policy.drools.pooling.state.FilterUtils.JSON_VALUE;
+import static org.onap.policy.drools.pooling.state.FilterUtils.makeAnd;
+import static org.onap.policy.drools.pooling.state.FilterUtils.makeEquals;
+import static org.onap.policy.drools.pooling.state.FilterUtils.makeOr;
+import java.util.Map;
+import org.junit.Test;
+
+public class FilterUtilsTest {
+
+    @Test
+    public void testMakeEquals() {
+        checkEquals("abc", "def", makeEquals("abc", "def"));
+    }
+
+    @Test
+    public void testMakeAnd() {
+        @SuppressWarnings("unchecked")
+        Map<String, Object> filter =
+                        makeAnd(makeEquals("an1", "av1"), makeEquals("an2", "av2"), makeEquals("an3", "av3"));
+
+        checkArray(CLASS_AND, 3, filter);
+        checkEquals("an1", "av1", getItem(filter, 0));
+        checkEquals("an2", "av2", getItem(filter, 1));
+        checkEquals("an3", "av3", getItem(filter, 2));
+    }
+
+    @Test
+    public void testMakeOr() {
+        @SuppressWarnings("unchecked")
+        Map<String, Object> filter =
+                        makeOr(makeEquals("on1", "ov1"), makeEquals("on2", "ov2"), makeEquals("on3", "ov3"));
+
+        checkArray(CLASS_OR, 3, filter);
+        checkEquals("on1", "ov1", getItem(filter, 0));
+        checkEquals("on2", "ov2", getItem(filter, 1));
+        checkEquals("on3", "ov3", getItem(filter, 2));
+    }
+
+    /**
+     * Checks that the filter contains an array.
+     * 
+     * @param expectedClassName type of filter this should represent
+     * @param expectedCount number of items expected in the array
+     * @param filter filter to be examined
+     */
+    protected void checkArray(String expectedClassName, int expectedCount, Map<String, Object> filter) {
+        assertEquals(expectedClassName, filter.get(JSON_CLASS));
+
+        Object[] val = (Object[]) filter.get(JSON_FILTERS);
+        assertEquals(expectedCount, val.length);
+    }
+
+    /**
+     * Checks that a map represents an "equals".
+     * 
+     * @param name name of the field on the left side of the equals
+     * @param value value on the right side of the equals
+     * @param map map whose content is to be examined
+     */
+    protected void checkEquals(String name, String value, Map<String, Object> map) {
+        assertEquals(CLASS_EQUALS, map.get(JSON_CLASS));
+        assertEquals(name, map.get(JSON_FIELD));
+        assertEquals(value, map.get(JSON_VALUE));
+    }
+
+    /**
+     * Gets a particular sub-filter from the array contained within a filter.
+     * 
+     * @param filter containing filter
+     * @param index index of the sub-filter of interest
+     * @return the sub-filter with the given index
+     */
+    @SuppressWarnings("unchecked")
+    protected Map<String, Object> getItem(Map<String, Object> filter, int index) {
+        Object[] val = (Object[]) filter.get(JSON_FILTERS);
+
+        return (Map<String, Object>) val[index];
+    }
+
+}