1 files changed, 71 insertions, 0 deletions
diff --git a/main/src/test/java/org/onap/policy/distribution/main/startstop/TestDistributionCommandLineArguments.java b/main/src/test/java/org/onap/policy/distribution/main/startstop/TestDistributionCommandLineArguments.java
new file mode 100644
index 00000000..7e72b852
--- /dev/null
+++ b/main/src/test/java/org/onap/policy/distribution/main/startstop/TestDistributionCommandLineArguments.java
@@ -0,0 +1,71 @@
+/*-
+ * ============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.distribution.main.startstop;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertThrows;
+
+import org.junit.Test;
+import org.onap.policy.distribution.main.PolicyDistributionException;
+import org.onap.policy.distribution.main.PolicyDistributionRuntimeException;
+
+/**
+ * Class to perform unit test of DistributionCommandLineArguments.
+ *
+ * @author Adheli Tavares (adheli.tavares@est.tech)
+ *
+ */
+public class TestDistributionCommandLineArguments {
+
+    @Test
+    public void testDistributionCommandLineArgumentsException() {
+        String[] wrongParams = {"arg1", "nothing", "{\"someJson\":1}"};
+        assertThrows(PolicyDistributionRuntimeException.class, () -> new DistributionCommandLineArguments(wrongParams));
+    }
+
+    @Test
+    public void testValidateFileNameEmpty() {
+        String[] argsOnlyKeyNoValue = {"-c", ""};
+        assertValidate(argsOnlyKeyNoValue, "policy distribution configuration file was not specified as an argument");
+    }
+
+    @Test
+    public void testValidateFileNameDoesNotExist() {
+        String[] fileNameNotExistentArgs = {"-c", "someFileName.json"};
+        assertValidate(fileNameNotExistentArgs,
+                "policy distribution configuration file \"someFileName.json\" does not exist");
+    }
+
+    @Test
+    public void testValidateFileNameIsNotFile() {
+        String[] folderAsFileNameArgs = {"-c", "src/test/resources/parameters"};
+        assertValidate(folderAsFileNameArgs,
+                "policy distribution configuration file \"src/test/resources/parameters\" is not a normal file");
+    }
+
+    protected void assertValidate(String[] testArgs, String expectedErrorMsg) {
+        DistributionCommandLineArguments sutArgs = new DistributionCommandLineArguments(testArgs);
+
+        assertThatThrownBy(() -> sutArgs.validate())
+            .isInstanceOf(PolicyDistributionException.class)
+            .hasMessage(expectedErrorMsg);
+    }
+}