1 files changed, 159 insertions, 0 deletions
diff --git a/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/openecomp/appc/adapter/iaas/impl/TestRequestContext.java b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/openecomp/appc/adapter/iaas/impl/TestRequestContext.java
new file mode 100644
index 000000000..a7cc5dc3c
--- /dev/null
+++ b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/openecomp/appc/adapter/iaas/impl/TestRequestContext.java
@@ -0,0 +1,159 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 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.openecomp.appc.adapter.iaas.impl;
+
+import static org.junit.Assert.*;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.openecomp.appc.Constants;
+import org.openecomp.appc.adapter.iaas.impl.RequestContext;
+import org.openecomp.appc.configuration.Configuration;
+import org.openecomp.appc.configuration.ConfigurationFactory;
+
+/**
+ * Test the RequestContext object
+ * <p>
+ * The request context is used to track retries, recovery attempts, and time to live of the processing of a request.
+ * </p>
+ */
+
+public class TestRequestContext {
+
+    private RequestContext rc;
+    private Configuration config = ConfigurationFactory.getConfiguration();
+
+    /**
+     * Set up the test environment by forcing the retry delay and limit to small values for the test and setting up the
+     * request context object.
+     */
+    @Before
+    public void setup() {
+        config.setProperty(Constants.PROPERTY_RETRY_DELAY, "1");
+        config.setProperty(Constants.PROPERTY_RETRY_LIMIT, "3");
+        rc = new RequestContext(null);
+        rc.setTimeToLiveSeconds(2);
+    }
+
+    /**
+     * Ensure that we set up the property correctly
+     */
+    @Test
+    public void testRetryDelayProperty() {
+        assertEquals(1, rc.getRetryDelay());
+    }
+
+    /**
+     * Ensure that we set up the property correctly
+     */
+    @Test
+    public void testRetryLimitProperty() {
+        assertEquals(3, rc.getRetryLimit());
+    }
+
+    /**
+     * This test ensures that the retry attempt counter is zero on a new context
+     */
+    @Test
+    public void testRetryCountNoRetries() {
+        assertEquals(0, rc.getAttempts());
+    }
+
+    /**
+     * Test that the delay is accurate
+     */
+    @Test
+    public void testDelay() {
+        long future = System.currentTimeMillis() + (rc.getRetryDelay() * 1000L);
+
+        rc.delay();
+
+        assertTrue(System.currentTimeMillis() >= future);
+    }
+
+    /**
+     * The RequestContext tracks the number of retry attempts against the limit. This test verifies that tracking logic
+     * works correctly.
+     */
+    @Test
+    public void testCanRetry() {
+        assertEquals(0, rc.getAttempts());
+        assertTrue(rc.attempt());
+        assertEquals(1, rc.getAttempts());
+        assertTrue(rc.attempt());
+        assertEquals(2, rc.getAttempts());
+        assertTrue(rc.attempt());
+        assertEquals(3, rc.getAttempts());
+        assertFalse(rc.attempt());
+        assertEquals(3, rc.getAttempts());
+        assertFalse(rc.attempt());
+        assertEquals(3, rc.getAttempts());
+        assertFalse(rc.attempt());
+        assertEquals(3, rc.getAttempts());
+    }
+
+    /**
+     * The same RequestContext is used throughout the processing, and retries need to be reset once successfully
+     * connected so that any earlier (successful) recoveries are not considered when performing any new future
+     * recoveries. This test ensures that a reset clears the retry counter and that we can attempt retries again up to
+     * the limit.
+     */
+    @Test
+    public void testResetAndCanRetry() {
+        assertTrue(rc.attempt());
+        assertTrue(rc.attempt());
+        assertTrue(rc.attempt());
+        rc.reset();
+
+        assertTrue(rc.attempt());
+        assertTrue(rc.attempt());
+        assertTrue(rc.attempt());
+        assertFalse(rc.attempt());
+        assertFalse(rc.attempt());
+        assertFalse(rc.attempt());
+    }
+
+    /**
+     * This test is used to test tracking of time to live for the request context. Because time is inexact, the
+     * assertions can only be ranges of values, such as at least some value or greater. The total duration tracking in
+     * the request context is only updated on each call to {@link RequestContext#isAlive()}. Also, durations are NOT
+     * affected by calls to reset.
+     */
+    @Test
+    public void testTimeToLive() {
+        assertTrue(rc.getTotalDuration() == 0L);
+        assertTrue(rc.isAlive());
+        rc.reset();
+        rc.delay();
+        assertTrue(rc.isAlive());
+        assertTrue(rc.getTotalDuration() >= 1000L);
+        rc.reset();
+        rc.delay();
+        rc.isAlive();
+        assertTrue(rc.getTotalDuration() >= 2000L);
+        rc.reset();
+        rc.delay();
+        assertFalse(rc.isAlive());
+        assertTrue(rc.getTotalDuration() >= 3000L);
+    }
+}