Create PDP Monitoring GUI Model

Monitorning GUI to monitor PDPs Statistics, including
Web and Rest Server by embeded jetty.

Issue-ID: POLICY-2311
Signed-off-by: Hengye <yehui.wang@est.tech>
Change-Id: I9bd0d50eaa7ae4dbd07d17389da2cf107e854c61

3 files changed, 238 insertions, 0 deletions

diff --git a/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringExceptionTest.java b/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringExceptionTest.java
new file mode 100644
index 0000000..dbd0d80
--- /dev/null
+++ b/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringExceptionTest.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.gui.pdp.monitoring;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import org.onap.policy.common.utils.test.ExceptionsTester;
+
+/**
+ * Test the Pdp monitoring exception.
+ *
+ */
+public class MonitoringExceptionTest {
+
+    @Test
+    public void test() {
+        assertEquals(2, new ExceptionsTester().test(PdpMonitoringServerParameterException.class));
+    }
+}
diff --git a/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringMainTest.java b/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringMainTest.java
new file mode 100644
index 0000000..6421b01
--- /dev/null
+++ b/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringMainTest.java
@@ -0,0 +1,159 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.gui.pdp.monitoring;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+
+/**
+ * Test the periodic event manager utility.
+ */
+public class MonitoringMainTest {
+    @Test
+    public void testMonitoringServerBad() {
+        try {
+            final String[] eventArgs = {"-z"};
+
+            PdpMonitoringMain.main(eventArgs);
+        } catch (Exception exc) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringServerOk() {
+        try {
+            final String[] eventArgs = {"-t", "1"};
+
+            PdpMonitoringMain.main(eventArgs);
+        } catch (Exception exc) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringServerBadOptions() {
+        final String[] eventArgs = {"-zabbu"};
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class)
+                .hasMessageContaining("parameter error, invalid command line arguments specified");
+
+    }
+
+    @Test
+    public void testMonitoringServerHelp() {
+        final String[] eventArgs = {"-h"};
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class).hasMessageContaining(
+                "usage: org.onap.policy.gui.pdp.monitoring.PdpMonitoringMain [options...]");
+    }
+
+    @Test
+    public void testMonitoringServerPortBad() {
+        final String[] eventArgs = {"-p", "hello"};
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class)
+                .hasMessageContaining("error parsing argument \"port\"");
+    }
+
+    @Test
+    public void testMonitoringServerPortNegative() {
+        final String[] eventArgs = {"-p", "-1"};
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class).hasMessageContaining(
+                "item \"port\" value \"-1\" INVALID, is below the minimum value: 1024");
+    }
+
+    @Test
+    public void testMonitoringServerTtlTooSmall() {
+        final String[] eventArgs = {"-t", "-2"};
+
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class)
+                .hasMessageContaining("item \"timeToLive\" value \"-2\" INVALID, is below the minimum value: -1");
+    }
+
+    @Test
+    public void testMonitoringServerTooManyPars() {
+        final String[] eventArgs = {"-t", "10", "-p", "12344", "aaa", "bbb"};
+
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class)
+                .hasMessageContaining("parameter error, too many command line arguments specified : [aaa, bbb]");
+    }
+
+    @Test
+    public void testMonitoringServerTtlNotNumber() {
+        final String[] eventArgs = {"-t", "timetolive"};
+
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class).hasMessageContaining(
+                "parameter error, error parsing argument \"time-to-live\"");
+    }
+
+    @Test
+    public void testMonitoringServerPortTooBig() {
+        final String[] eventArgs = {"-p", "65536"};
+
+        Throwable thrown = catchThrowable(() -> new PdpMonitoringMain(eventArgs));
+        assertThat(thrown).isInstanceOf(PdpMonitoringServerParameterException.class)
+                .hasMessageContaining("item \"port\" value \"65536\" INVALID, exceeds the maximum value: 65534");
+    }
+
+    @Test
+    public void testMonitoringOneSecStart() {
+        final String[] eventArgs = {"-t", "1"};
+
+        try {
+            PdpMonitoringMain monRestMain = new PdpMonitoringMain(eventArgs);
+            monRestMain.init();
+            monRestMain.shutdown();
+
+        } catch (Exception ex) {
+            fail("test should not throw an exception");
+        }
+    }
+
+    @Test
+    public void testMonitoringForeverStart() {
+        final String[] eventArgs = {"-t", "-1"};
+
+        PdpMonitoringMain monRestMain = new PdpMonitoringMain(eventArgs);
+
+        Thread monThread = new Thread() {
+            @Override
+            public void run() {
+                monRestMain.init();
+            }
+        };
+
+        try {
+            monThread.start();
+            Thread.sleep(2000);
+            monRestMain.shutdown();
+        } catch (Exception ex) {
+            fail("test should not throw an exception");
+        }
+    }
+}
diff --git a/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringRestTest.java b/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringRestTest.java
new file mode 100644
index 0000000..06fe3b3
--- /dev/null
+++ b/gui-pdp-monitoring/src/test/java/org/onap/policy/gui/pdp/monitoring/MonitoringRestTest.java
@@ -0,0 +1,40 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.gui.pdp.monitoring;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+/**
+ * monitoring rest tests.
+ *
+ */
+public class MonitoringRestTest {
+
+    @Test
+    public void test() {
+        PdpMonitoringServerParameters parameters = new PdpMonitoringServerParameters();
+        parameters.setPort(12345);
+        assertEquals(12345, parameters.getPort());
+    }
+
+}