Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2735#discussion_r191038355
--- Diff:
nifi-nar-bundles/nifi-standard-services/nifi-dbcp-service-bundle/nifi-dbcp-service/src/test/java/org/apache/nifi/dbcp/TestDBCPConnectionPoolLookup.java
---
@@ -0,0 +1,182 @@
+/*
+ * 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.nifi.dbcp;
+
+import org.apache.nifi.controller.AbstractControllerService;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.sql.Connection;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class TestDBCPConnectionPoolLookup {
+
+ private MockConnection connectionA;
+ private MockConnection connectionB;
+
+ private MockDBCPService dbcpServiceA;
+ private MockDBCPService dbcpServiceB;
+
+ private DBCPService dbcpLookupService;
+ private TestRunner runner;
+
+ @Before
+ public void setup() throws InitializationException {
+ connectionA = mock(MockConnection.class);
+ when(connectionA.getName()).thenReturn("A");
+
+ connectionB = mock(MockConnection.class);
+ when(connectionB.getName()).thenReturn("B");
+
+ dbcpServiceA = new MockDBCPService(connectionA);
+ dbcpServiceB = new MockDBCPService(connectionB);
+
+ dbcpLookupService = new DBCPConnectionPoolLookup();
+
+ runner = TestRunners.newTestRunner(TestProcessor.class);
+
+ final String dbcpServiceAIdentifier = "dbcp-a";
+ runner.addControllerService(dbcpServiceAIdentifier, dbcpServiceA);
+
+ final String dbcpServiceBIdentifier = "dbcp-b";
+ runner.addControllerService(dbcpServiceBIdentifier, dbcpServiceB);
+
+ runner.addControllerService("dbcp-lookup", dbcpLookupService);
+ runner.setProperty(dbcpLookupService, "a", dbcpServiceAIdentifier);
+ runner.setProperty(dbcpLookupService, "b", dbcpServiceBIdentifier);
+
+ runner.enableControllerService(dbcpServiceA);
+ runner.enableControllerService(dbcpServiceB);
+ runner.enableControllerService(dbcpLookupService);
+
+ }
+
+ @Test
+ public void testLookupServiceA() {
+ final Map<String,String> attributes = new HashMap<>();
+ attributes.put(DBCPConnectionPoolLookup.DATABASE_NAME_ATTRIBUTE,
"a");
+
+ final Connection connection =
dbcpLookupService.getConnection(attributes);
+ assertNotNull(connection);
+ assertTrue(connection instanceof MockConnection);
+
+ final MockConnection mockConnection = (MockConnection)connection;
+ assertEquals(connectionA.getName(), mockConnection.getName());
+ }
+
+ @Test
+ public void testLookupServiceB() {
--- End diff --
Our other "unit" tests use Derby, what about setting a service A to point
to something that wouldn't connect, and B to a Derby, then make a valid query?
It's more of an integration test but in this area it's not without precedent :)
---
