msid

Author: poddm

utils/src/test/java/org/apache/cloudstack/utils/identity/ManagementServerNodeTest.java

@@ -0,0 +1,131 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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.
+package org.apache.cloudstack.utils.identity;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.lang.reflect.Method;
+
+import org.junit.After;
+import org.junit.Test;
+
+public class ManagementServerNodeTest {
+
+    private static final String FQDN_SYS_PROP = "cloudstack.msid.from.fqdn";
+
+    @After
+    public void tearDown() {
+        System.clearProperty(FQDN_SYS_PROP);
+    }
+
+    private static boolean invokeIsTruthy(String value) throws Exception {
+        Method m = ManagementServerNode.class.getDeclaredMethod("isTruthy", String.class);
+        m.setAccessible(true);
+        return (boolean) m.invoke(null, value);
+    }
+
+    private static boolean invokeIsFqdnModeEnabled() throws Exception {
+        Method m = ManagementServerNode.class.getDeclaredMethod("isFqdnModeEnabled");
+        m.setAccessible(true);
+        return (boolean) m.invoke(null);
+    }
+
+    private static long invokeGenerateIdFromFqdn() throws Exception {
+        Method m = ManagementServerNode.class.getDeclaredMethod("generateIdFromFqdn");
+        m.setAccessible(true);
+        return (long) m.invoke(null);
+    }
+
+    @Test
+    public void testGetManagementServerIdIsPositive() {
+        assertTrue("Node id must be a positive, non-zero value", ManagementServerNode.getManagementServerId() > 0);
+    }
+
+    @Test
+    public void testCheckPassesWithValidNodeId() {
+        // Node id is derived at class-load time and should be valid, so check() must not throw.
+        new ManagementServerNode().check();
+    }
+
+    @Test
+    public void testIsTruthyRecognizesTrueValues() throws Exception {
+        assertTrue(invokeIsTruthy("true"));
+        assertTrue(invokeIsTruthy("TRUE"));
+        assertTrue(invokeIsTruthy("True"));
+        assertTrue(invokeIsTruthy("1"));
+        assertTrue(invokeIsTruthy("yes"));
+        assertTrue(invokeIsTruthy("YES"));
+    }
+
+    @Test
+    public void testIsTruthyTrimsWhitespace() throws Exception {
+        assertTrue(invokeIsTruthy("  true  "));
+        assertTrue(invokeIsTruthy("\t1\n"));
+        assertTrue(invokeIsTruthy(" yes "));
+    }
+
+    @Test
+    public void testIsTruthyRejectsFalseValues() throws Exception {
+        assertFalse(invokeIsTruthy(null));
+        assertFalse(invokeIsTruthy(""));
+        assertFalse(invokeIsTruthy("   "));
+        assertFalse(invokeIsTruthy("false"));
+        assertFalse(invokeIsTruthy("0"));
+        assertFalse(invokeIsTruthy("no"));
+        assertFalse(invokeIsTruthy("enabled"));
+        assertFalse(invokeIsTruthy("2"));
+    }
+
+    @Test
+    public void testIsFqdnModeEnabledDefaultsFalse() throws Exception {
+        System.clearProperty(FQDN_SYS_PROP);
+        assertFalse(invokeIsFqdnModeEnabled());
+    }
+
+    @Test
+    public void testIsFqdnModeEnabledWhenSystemPropertyTruthy() throws Exception {
+        System.setProperty(FQDN_SYS_PROP, "true");
+        assertTrue(invokeIsFqdnModeEnabled());
+    }
+
+    @Test
+    public void testIsFqdnModeEnabledWhenSystemPropertyFalsy() throws Exception {
+        System.setProperty(FQDN_SYS_PROP, "false");
+        assertFalse(invokeIsFqdnModeEnabled());
+    }
+
+    @Test
+    public void testGenerateIdFromFqdnIsPositiveAndNonZero() throws Exception {
+        long id = invokeGenerateIdFromFqdn();
+        assertTrue("Generated id must be positive and non-zero", id > 0);
+    }
+
+    @Test
+    public void testGenerateIdFromFqdnFitsIn48Bits() throws Exception {
+        long id = invokeGenerateIdFromFqdn();
+        assertTrue("Generated id must fit within 48 bits", id <= 0xFFFFFFFFFFFFL);
+    }
+
+    @Test
+    public void testGenerateIdFromFqdnIsDeterministic() throws Exception {
+        long first = invokeGenerateIdFromFqdn();
+        long second = invokeGenerateIdFromFqdn();
+        assertEquals("Generated id must be stable across calls for the same FQDN", first, second);
+    }
+}