1 files changed, 188 insertions, 0 deletions
diff --git a/policy-core/src/test/java/org/onap/policy/drools/core/PolicySessionTest.java b/policy-core/src/test/java/org/onap/policy/drools/core/PolicySessionTest.java
new file mode 100644
index 00000000..c21ce7de
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+++ b/policy-core/src/test/java/org/onap/policy/drools/core/PolicySessionTest.java
@@ -0,0 +1,188 @@
+/*
+ * ============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.core;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.util.concurrent.Semaphore;
+import org.junit.Before;
+import org.junit.Test;
+import org.kie.api.event.rule.AgendaEventListener;
+import org.kie.api.event.rule.RuleRuntimeEventListener;
+import org.kie.api.runtime.KieSession;
+import org.onap.policy.drools.core.PolicySession.ThreadModel;
+
+public class PolicySessionTest {
+
+    private static final String MY_NAME = "my-name";
+    private static final String CONTAINER = "my-container";
+    private static final String EXPECTED = null;
+
+    private PolicySession session;
+    private PolicyContainer container;
+    private KieSession kie;
+
+    /**
+     * Initialize test objects.
+     */
+    @Before
+    public void setUp() {
+        container = mock(PolicyContainer.class);
+        kie = mock(KieSession.class);
+
+        when(container.getName()).thenReturn(CONTAINER);
+
+        session = new PolicySession(MY_NAME, container, kie);
+    }
+
+    @Test
+    public void test_Simple() {
+        // verify constructor operations
+        AgendaEventListener agenda = session;
+        verify(kie).addEventListener(agenda);
+
+        RuleRuntimeEventListener rule = session;
+        verify(kie).addEventListener(rule);
+
+        // test other simple methods
+        assertEquals(container, session.getPolicyContainer());
+        assertEquals(kie, session.getKieSession());
+        assertEquals(MY_NAME, session.getName());
+        assertEquals(CONTAINER + ":" + MY_NAME, session.getFullName());
+
+        session.stopThread();
+        session.updated();
+
+        session.afterRuleFlowGroupActivated(null);
+        session.afterRuleFlowGroupDeactivated(null);
+        session.agendaGroupPopped(null);
+        session.agendaGroupPushed(null);
+        session.beforeMatchFired(null);
+        session.beforeRuleFlowGroupActivated(null);
+        session.beforeRuleFlowGroupDeactivated(null);
+        session.matchCancelled(null);
+        session.matchCreated(null);
+        session.objectDeleted(null);
+        session.objectInserted(null);
+        session.objectUpdated(null);
+    }
+
+    @Test
+    public void testStartThread() {
+        session.startThread();
+
+        // re-start
+        session.startThread();
+
+        session.stopThread();
+    }
+
+    @Test
+    public void testSetPolicySession_testGetCurrentSession() {
+        PolicySession sess2 = new PolicySession(MY_NAME + "-b", container, kie);
+
+        session.setPolicySession();
+        assertEquals(session, PolicySession.getCurrentSession());
+
+        sess2.setPolicySession();
+        assertEquals(sess2, PolicySession.getCurrentSession());
+    }
+
+    @Test
+    public void testGetAdjunct_testSetAdjunct() {
+        Object adjnm1 = "adjunct-a";
+        Object adjval1 = "value-a";
+        session.setAdjunct(adjnm1, adjval1);
+
+        Object adjnm2 = "adjunct-b";
+        Object adjval2 = "value-b";
+        session.setAdjunct(adjnm2, adjval2);
+
+        assertEquals(adjval1, session.getAdjunct(adjnm1));
+        assertEquals(adjval2, session.getAdjunct(adjnm2));
+        assertNull(session.getAdjunct("unknown-adjunct"));
+    }
+
+    @Test
+    public void testThreadModel() {
+        ThreadModel model = new PolicySession.ThreadModel() {
+            @Override
+            public void stop() {
+                // do nothing
+            }
+
+            @Override
+            public void start() {}
+        };
+
+        model.updated();
+    }
+
+    @Test
+    public void testDefaultThreadModelRun() throws Exception {
+        testDefaultThreadModelRun_Ex(() -> {
+            throw new RuntimeException(EXPECTED);
+        });
+        testDefaultThreadModelRun_Ex(() -> {
+            throw new LinkageError(EXPECTED);
+        });
+    }
+
+    /**
+     * Starts a thread and then invokes a function to generate an exception within the
+     * fireUntilHalt() method.
+     * 
+     * @param genEx function to generate an exception
+     * @throws Exception if an error occurs
+     */
+    private void testDefaultThreadModelRun_Ex(Runnable genEx) throws Exception {
+        Semaphore me = new Semaphore(0);
+        Semaphore thread = new Semaphore(0);
+
+        doAnswer(args -> {
+            // let me know the thread has started
+            me.release(1);
+
+            // wait until I tell it to continue
+            thread.acquire();
+
+            // generate the exception
+            genEx.run();
+
+            // never reaches here
+            return null;
+
+        }).when(kie).fireUntilHalt();
+
+        session.startThread();
+
+        me.acquire();
+        thread.release();
+
+        session.stopThread();
+    }
+
+}