1 files changed, 120 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameterHandler.java b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameterHandler.java
new file mode 100644
index 000000000..e94939af8
--- /dev/null
+++ b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameterHandler.java
@@ -0,0 +1,120 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.clamp.controlloop.participant.simulator.main.parameters;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.FileNotFoundException;
+import org.apache.commons.io.DirectoryWalker.CancelException;
+import org.junit.Test;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.participant.simulator.main.startstop.ParticipantSimulatorCommandLineArguments;
+import org.onap.policy.common.utils.coder.CoderException;
+
+/**
+ * Class to perform unit test of {@link ParticipantParameterHandler}.
+ */
+public class TestParticipantSimulatorParameterHandler {
+
+    @Test
+    public void testParameterHandlerNoParameterFile() throws ControlLoopException {
+        final String[] emptyArgumentString = { "-c", "src/test/resources/parameters/NoParametersFile.json" };
+
+        final ParticipantSimulatorCommandLineArguments emptyArguments = new ParticipantSimulatorCommandLineArguments();
+        emptyArguments.parse(emptyArgumentString);
+
+        assertThatThrownBy(() -> new ParticipantSimulatorParameterHandler().getParameters(emptyArguments))
+            .hasCauseInstanceOf(CoderException.class)
+            .hasRootCauseInstanceOf(FileNotFoundException.class);
+    }
+
+    @Test
+    public void testParameterHandlerInvalidParameters() throws ControlLoopException {
+        final String[] invalidArgumentString = { "-c", "src/test/resources/parameters/InvalidParameters.json" };
+
+        final ParticipantSimulatorCommandLineArguments invalidArguments =
+                new ParticipantSimulatorCommandLineArguments();
+        invalidArguments.parse(invalidArgumentString);
+
+        assertThatThrownBy(() -> new ParticipantSimulatorParameterHandler().getParameters(invalidArguments))
+            .hasMessageStartingWith("error reading parameters from")
+            .hasCauseInstanceOf(CoderException.class);
+    }
+
+    @Test
+    public void testParameterHandlerNoParameters() throws CancelException, ControlLoopException {
+        final String[] noArgumentString = { "-c", "src/test/resources/parameters/EmptyParameters.json" };
+
+        final ParticipantSimulatorCommandLineArguments noArguments = new ParticipantSimulatorCommandLineArguments();
+        noArguments.parse(noArgumentString);
+
+        assertThatThrownBy(() -> new ParticipantSimulatorParameterHandler().getParameters(noArguments))
+            .hasMessageContaining("no parameters found");
+    }
+
+    @Test
+    public void testParticipantParameterGroup() throws ControlLoopException {
+        final String[] participantConfigParameters = { "-c", "src/test/resources/parameters/TestParameters.json"};
+
+        final ParticipantSimulatorCommandLineArguments arguments = new ParticipantSimulatorCommandLineArguments();
+        arguments.parse(participantConfigParameters);
+
+        final ParticipantSimulatorParameters parGroup = new ParticipantSimulatorParameterHandler()
+                .getParameters(arguments);
+        assertTrue(arguments.checkSetConfigurationFilePath());
+        assertEquals(CommonTestData.PARTICIPANT_GROUP_NAME, parGroup.getName());
+    }
+
+    @Test
+    public void testParticipantVersion() throws ControlLoopException {
+        final String[] participantConfigParameters = { "-v" };
+        final ParticipantSimulatorCommandLineArguments arguments = new ParticipantSimulatorCommandLineArguments();
+        assertThat(arguments.parse(participantConfigParameters)).startsWith(
+                        "ONAP Tosca defined control loop Participant");
+    }
+
+    @Test
+    public void testParticipantHelp() throws ControlLoopException {
+        final String[] participantConfigParameters = { "-h" };
+        final ParticipantSimulatorCommandLineArguments arguments = new ParticipantSimulatorCommandLineArguments();
+        assertThat(arguments.parse(participantConfigParameters)).startsWith("usage:");
+    }
+
+    @Test
+    public void testParticipant_TooManyArguments() throws ControlLoopException {
+        final String[] participantConfigParameters = { "-c", "src/test/resources/parameters/TestParameters.json",
+                                                       "TooMany"};
+        final ParticipantSimulatorCommandLineArguments arguments = new ParticipantSimulatorCommandLineArguments();
+        assertThatThrownBy(() -> arguments.parse(participantConfigParameters))
+            .hasMessageStartingWith("too many command line arguments specified");
+    }
+
+    @Test
+    public void testParticipantInvalidOption() throws ControlLoopException {
+        final String[] participantConfigParameters = { "-d" };
+        final ParticipantSimulatorCommandLineArguments arguments = new ParticipantSimulatorCommandLineArguments();
+        assertThatThrownBy(() -> arguments.parse(participantConfigParameters))
+            .hasMessageStartingWith("invalid command line arguments specified");
+    }
+}