Unit test for client monitoring

Coverage for the client monitoring module.

Issue-ID: POLICY-1034
Change-Id: I6bb6dab26ce0572923c3d451a3b5f4745d40d088
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

5 files changed, 657 insertions, 0 deletions

diff --git a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringExceptionTest.java b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringExceptionTest.java
new file mode 100644
index 000000000..3b5ecd100
--- /dev/null
+++ b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringExceptionTest.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.client.monitoring.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+
+/**
+ * Test the REST monitoring exception.
+ *
+ */
+public class MonitoringExceptionTest {
+
+    @Test
+    public void test() {
+        ApexMonitoringRestParameterException ame = new ApexMonitoringRestParameterException("a message");
+        assertNotNull(ame);
+        assertEquals("a message", ame.getMessage());
+    }
+}
diff --git a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringRestExtraTest.java b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringRestExtraTest.java
new file mode 100644
index 000000000..277b2ed17
--- /dev/null
+++ b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringRestExtraTest.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.client.monitoring.rest;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+/**
+ * Extra monitoring rest tests.
+ *
+ */
+public class MonitoringRestExtraTest {
+
+    @Test
+    public void test() {
+        ApexMonitoringRestParameters parameters = new ApexMonitoringRestParameters();
+        parameters.setRestPort(12345);
+        assertEquals(12345, parameters.getRestPort());
+    }
+}
diff --git a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringRestMainTest.java b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringRestMainTest.java
new file mode 100644
index 000000000..0c929f534
--- /dev/null
+++ b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/MonitoringRestMainTest.java
@@ -0,0 +1,261 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.client.monitoring.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.PrintStream;
+
+import org.junit.Test;
+import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
+
+/**
+ * Test the periodic event manager utility.
+ */
+public class MonitoringRestMainTest {
+    @Test
+    public void testMonitoringClientBad() {
+        try {
+            final String[] eventArgs =
+                { "-z" };
+
+            ApexMonitoringRestMain.main(eventArgs);
+        } catch (Exception exc) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringClientOk() {
+        try {
+            final String[] eventArgs =
+                { "-t", "1" };
+
+            ApexMonitoringRestMain.main(eventArgs);
+        } catch (Exception exc) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringClientNoOptions() {
+        final String[] eventArgs = new String[]
+            {};
+
+        final String outputString = testApexMonitoringRestMainConstructor(eventArgs);
+
+        System.err.println(outputString);
+        assertEquals("*** StdOut ***\n\n*** StdErr ***\n", outputString);
+    }
+
+    @Test
+    public void testMonitoringClientBadOptions() {
+        final String[] eventArgs =
+            { "-zabbu" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[null], State=STOPPED) "
+                            + "parameter error, invalid command line arguments specified "
+                            + ": Unrecognized option: -zabbu", ex.getMessage().substring(0, 170));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientHelp() {
+        final String[] eventArgs =
+            { "-h" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("usage: org.onap.policy.apex.client.monitoring.rest.ApexMonitoringRestMain [options...]",
+                            ex.getMessage().substring(0, 86));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientPortBad() {
+        final String[] eventArgs =
+            { "-p", "hello" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[null], State=STOPPED) "
+                            + "parameter error, error parsing argument \"port\" :For input string: \"hello\"",
+                            ex.getMessage().substring(0, 156));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientPortNegative() {
+        final String[] eventArgs =
+            { "-p", "-1" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[ApexMonitoringRestParameters: "
+                            + "URI=http://localhost:-1/apexservices/, TTL=-1sec], State=STOPPED) parameters invalid, "
+                            + "port must be greater than 1023 and less than 65536", ex.getMessage().substring(0, 227));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientTtlTooSmall() {
+        final String[] eventArgs =
+            { "-t", "-2" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[ApexMonitoringRestParameters: "
+                            + "URI=http://localhost:18989/apexservices/, TTL=-2sec], State=STOPPED) parameters invalid, "
+                            + "time to live must be greater than -1 (set to -1 to wait forever)",
+                            ex.getMessage().substring(0, 244));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientTooManyPars() {
+        final String[] eventArgs =
+            { "-t", "10", "-p", "12344", "aaa", "bbb" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[null], State=STOPPED) "
+                            + "parameter error, too many command line arguments specified : [aaa, bbb]",
+                            ex.getMessage().substring(0, 154));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientTtlNotNumber() {
+        final String[] eventArgs =
+            { "-t", "timetolive" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[null], State=STOPPED) "
+                            + "parameter error, error parsing argument \"time-to-live\" :"
+                            + "For input string: \"timetolive\"", ex.getMessage().substring(0, 169));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientPortTooBig() {
+        final String[] eventArgs =
+            { "-p", "65536" };
+
+        try {
+            new ApexMonitoringRestMain(eventArgs, System.out);
+            fail("test should throw an exception");
+        } catch (Exception ex) {
+            assertEquals("Apex Services REST endpoint (ApexMonitoringRestMain: Config=[ApexMonitoringRestParameters: "
+                            + "URI=http://localhost:65536/apexservices/, TTL=-1sec], State=STOPPED) parameters invalid, "
+                            + "port must be greater than 1023 and less than 65536", ex.getMessage().substring(0, 230));
+        }
+    }
+
+    @Test
+    public void testMonitoringClientDefaultPars() {
+        try {
+            ApexMonitoringRest monRest = new ApexMonitoringRest();
+            monRest.shutdown();
+
+        } catch (Exception ex) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringOneSecStart() {
+        final String[] eventArgs =
+            { "-t", "1" };
+
+        try {
+            ApexMonitoringRestMain monRestMain = new ApexMonitoringRestMain(eventArgs, System.out);
+            monRestMain.init();
+            monRestMain.shutdown();
+
+        } catch (Exception ex) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringForeverStart() {
+        final String[] eventArgs =
+            { "-t", "-1" };
+
+        ApexMonitoringRestMain monRestMain = new ApexMonitoringRestMain(eventArgs, System.out);
+
+        Thread monThread = new Thread() {
+            public void run() {
+                monRestMain.init();
+            }
+        };
+
+        try {
+            monThread.start();
+            ThreadUtilities.sleep(2000);
+            monRestMain.shutdown();
+        } catch (Exception ex) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    /**
+     * Run the application.
+     * 
+     * @param eventArgs the command arguments
+     * @return a string containing the command output
+     */
+    private String testApexMonitoringRestMainConstructor(final String[] eventArgs) {
+        final ByteArrayOutputStream baosOut = new ByteArrayOutputStream();
+        final ByteArrayOutputStream baosErr = new ByteArrayOutputStream();
+
+        new ApexMonitoringRestMain(eventArgs, new PrintStream(baosOut, true));
+
+        InputStream testInput = new ByteArrayInputStream("Test Data for Input to WS".getBytes());
+        System.setIn(testInput);
+
+        String outString = baosOut.toString();
+        String errString = baosErr.toString();
+
+        return "*** StdOut ***\n" + outString + "\n*** StdErr ***\n" + errString;
+    }
+}
diff --git a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/ParameterCheckTest.java b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/ParameterCheckTest.java
new file mode 100644
index 000000000..026f4d3dd
--- /dev/null
+++ b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/ParameterCheckTest.java
@@ -0,0 +1,192 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.client.monitoring.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.junit.Test;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+
+/**
+ * Test the parameter check class.
+ *
+ */
+public class ParameterCheckTest {
+
+    @Test
+    public void testStartStop() {
+        assertEquals("START", ParameterCheck.StartStop.START.name());
+        assertEquals("STOP", ParameterCheck.StartStop.STOP.name());
+    }
+
+    @Test
+    public void testHostName() {
+        assertNull(ParameterCheck.getHostName(null));
+        
+        Map<String, String[]> parameterMap = new LinkedHashMap<>();
+        assertNull(ParameterCheck.getHostName(parameterMap));
+        parameterMap.put("hostname", null);
+        assertNull(ParameterCheck.getHostName(parameterMap));
+        
+        String[] hostnameBlankValue0 = {"", ""};
+        parameterMap.put("hostname", hostnameBlankValue0);
+        assertNull(ParameterCheck.getHostName(parameterMap));
+        
+        String[] hostnameBlankValue1 = {" ", " "};
+        parameterMap.put("hostname", hostnameBlankValue1);
+        assertNull(ParameterCheck.getHostName(parameterMap));
+        
+        String[] hostnameValue = {"hostname0", "hostname1"};
+        parameterMap.put("hostname", hostnameValue);
+        assertEquals("hostname0", ParameterCheck.getHostName(parameterMap));
+    }
+
+    @Test
+    public void testPort() {
+        assertEquals(-1, ParameterCheck.getPort(null));
+        
+        Map<String, String[]> parameterMap = new LinkedHashMap<>();
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+        parameterMap.put("port", null);
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+
+        String[] portBlankValue0 = {"", ""};
+        parameterMap.put("port", portBlankValue0);
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+
+        String[] portBlankValue1 = {" ", " "};
+        parameterMap.put("port", portBlankValue1);
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+        
+        String[] portValueBad = {"port", "value"};
+        parameterMap.put("port", portValueBad);
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+        
+        String[] portValueRange0 = {"-1", "-1"};
+        parameterMap.put("port", portValueRange0);
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+
+        String[] portValueRange1 = {"65536", "65536"};
+        parameterMap.put("port", portValueRange1);
+        assertEquals(-1, ParameterCheck.getPort(parameterMap));
+
+        String[] portValue = {"12344", "23221"};
+        parameterMap.put("port", portValue);
+        assertEquals(12344, ParameterCheck.getPort(parameterMap));
+    }
+
+    @Test
+    public void testEngineKey() {
+        assertEquals(null, ParameterCheck.getEngineKey(null));
+
+        Map<String, String[]> parameterMap = new LinkedHashMap<>();
+        parameterMap.put("Zooby", null);
+        assertEquals(null, ParameterCheck.getEngineKey(parameterMap));
+        
+        parameterMap.put("AxArtifactKey", null);
+        assertEquals(null, ParameterCheck.getEngineKey(parameterMap));
+        parameterMap.remove("AxArtifactKey");
+        
+        parameterMap.put("AxArtifactKey#zooby", null);
+        assertEquals(null, ParameterCheck.getEngineKey(parameterMap));
+        parameterMap.remove("AxArtifactKey#zooby");
+
+        parameterMap.put("AxArtifactKey#zooby#looby", null);
+        assertEquals(null, ParameterCheck.getEngineKey(parameterMap));
+        parameterMap.remove("AxArtifactKey#zooby#looby");
+
+        parameterMap.put("AxArtifactKey#Name:0.0.1", null);
+        assertEquals(new AxArtifactKey("Name", "0.0.1"), ParameterCheck.getEngineKey(parameterMap));
+    }
+
+    @Test
+    public void testStartStopValue() {
+        assertEquals(null, ParameterCheck.getStartStop(null, null));
+        
+        Map<String, String[]> parameterMap = new LinkedHashMap<>();
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, null));
+
+        parameterMap.put("Zooby", null);
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, null));
+
+        AxArtifactKey engineKey = new AxArtifactKey("Engine", "0.0.1");
+
+        parameterMap.put("Zooby", null);
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, engineKey));
+
+        String key = "AxArtifactKey#" + engineKey.getId();
+        
+        parameterMap.put(key, null);
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, engineKey));
+
+        String[] startStopBlankValue0 = {"", ""};
+        parameterMap.put(key, startStopBlankValue0);
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, engineKey));
+
+        String[] startStopBlankValue1 = {" ", " "};
+        parameterMap.put(key, startStopBlankValue1);
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, engineKey));
+        
+        String[] startStopValueBad = {key, "value"};
+        parameterMap.put(key, startStopValueBad);
+        assertEquals(null, ParameterCheck.getStartStop(parameterMap, engineKey));
+        
+        String[] startValue = {"START", "STOP"};
+        parameterMap.put(key, startValue);
+        assertEquals(ParameterCheck.StartStop.START, ParameterCheck.getStartStop(parameterMap, engineKey));
+
+        String[] stopValue = {"STOP", "START"};
+        parameterMap.put(key, stopValue);
+        assertEquals(ParameterCheck.StartStop.STOP, ParameterCheck.getStartStop(parameterMap, engineKey));
+    }
+
+    @Test
+    public void testLong() {
+        assertEquals(-1, ParameterCheck.getLong(null, null));
+        
+        Map<String, String[]> parameterMap = new LinkedHashMap<>();
+        assertEquals(-1, ParameterCheck.getLong(parameterMap, null));
+        
+        parameterMap.put("long0", null);
+        assertEquals(-1, ParameterCheck.getLong(parameterMap, "longx"));
+        assertEquals(-1, ParameterCheck.getLong(parameterMap, "long0"));
+
+        String[] longBlankValue0 = {"", ""};
+        parameterMap.put("long1", longBlankValue0);
+        assertEquals(-1, ParameterCheck.getLong(parameterMap, "long1"));
+
+        String[] longBlankValue1 = {" ", " "};
+        parameterMap.put("long2", longBlankValue1);
+        assertEquals(-1, ParameterCheck.getLong(parameterMap, "long2"));
+        
+        String[] longValueBad = {"long", "value"};
+        parameterMap.put("long3", longValueBad);
+        assertEquals(-1, ParameterCheck.getLong(parameterMap, "long3"));
+        
+        String[] longValue = {"12345", "6789"};
+        parameterMap.put("long4", longValue);
+        assertEquals(12345, ParameterCheck.getLong(parameterMap, "long4"));
+    }
+}
diff --git a/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java
new file mode 100644
index 000000000..d63f6bd8c
--- /dev/null
+++ b/client/client-monitoring/src/test/java/org/onap/policy/apex/client/monitoring/rest/RestResourceTest.java
@@ -0,0 +1,125 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.client.monitoring.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import javax.ws.rs.core.Response;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.onap.policy.apex.core.deployment.EngineServiceFacade;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.enginemodel.concepts.AxEngineModel;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+/**
+ * Test the monitoring rest resource.
+ */
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(ApexMonitoringRestResource.class)
+public class RestResourceTest {
+    @Mock
+    EngineServiceFacade engineServiceFacadeMock;
+
+    /**
+     * Set up the mocking for this test.
+     * 
+     * @throws Exception on mock setup failures
+     */
+    @Before
+    public void setupFacade() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        PowerMockito.whenNew(EngineServiceFacade.class).withAnyArguments().thenReturn(engineServiceFacadeMock);
+    }
+
+    @Test
+    public void testRestResourceCreateSession() throws ApexException {
+        final AxArtifactKey engineServiceKey = new AxArtifactKey("EngineServiceKey", "0.0.1");
+        final AxArtifactKey engineKey = new AxArtifactKey("Engine0", "0.0.1");
+        final AxArtifactKey[] engineServiceKeyArray =
+            { engineKey };
+        final AxEngineModel engineModel = new AxEngineModel(engineServiceKeyArray[0]);
+
+        Mockito.when(engineServiceFacadeMock.getKey()).thenReturn(engineServiceKey);
+        Mockito.when(engineServiceFacadeMock.getEngineKeyArray()).thenReturn(engineServiceKeyArray);
+        Mockito.when(engineServiceFacadeMock.getEngineStatus(engineKey)).thenReturn(engineModel);
+
+        ApexMonitoringRestResource restResource = new ApexMonitoringRestResource();
+        Response response = restResource.createSession("apexServer", 12345);
+        assertEquals(200, response.getStatus());
+        assertTrue(((String) response.getEntity()).contains(engineKey.getId()));
+    }
+
+    @Test
+    public void testRestResourceStartEngine() throws ApexException {
+        final AxArtifactKey engineKey = new AxArtifactKey("Engine0", "0.0.1");
+
+        ApexMonitoringRestResource restResource = new ApexMonitoringRestResource();
+        Response response = restResource.startStop("apexServer", 12345, engineKey.getId(), "Start");
+        assertEquals(200, response.getStatus());
+    }
+
+    @Test
+    public void testRestResourceStopEngine() throws ApexException {
+        final AxArtifactKey engineKey = new AxArtifactKey("Engine0", "0.0.1");
+
+        ApexMonitoringRestResource restResource = new ApexMonitoringRestResource();
+        Response response = restResource.startStop("apexServer", 12345, engineKey.getId(), "Stop");
+        assertEquals(200, response.getStatus());
+    }
+
+    @Test
+    public void testRestResourceStartPeriodicEvents() throws ApexException {
+        final AxArtifactKey engineKey = new AxArtifactKey("Engine0", "0.0.1");
+
+        ApexMonitoringRestResource restResource = new ApexMonitoringRestResource();
+        Response response = restResource.periodiceventStartStop("apexServer", 12345, engineKey.getId(), "Start", 1000);
+        assertEquals(200, response.getStatus());
+    }
+
+    @Test
+    public void testRestResourceStopEPeriodicEvents() throws ApexException {
+        final AxArtifactKey engineKey = new AxArtifactKey("Engine0", "0.0.1");
+
+        ApexMonitoringRestResource restResource = new ApexMonitoringRestResource();
+        Response response = restResource.periodiceventStartStop("apexServer", 12345, engineKey.getId(), "Stop", 1000);
+        assertEquals(200, response.getStatus());
+    }
+
+    @Test
+    public void testCounter() {
+        ApexMonitoringRestResource restResource = new ApexMonitoringRestResource();
+
+        ApexMonitoringRestResource.Counter counter = restResource.new Counter(1538338576, 1538338592);
+
+        assertEquals(1538338576, counter.getTimestamp());
+        assertEquals(1538338592, counter.getValue());
+    }
+}