DestroyPoolCommandTest.java

/*
 * 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,
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 * See the License for the specific language governing permissions and
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package org.apache.provisionr.commands;

import org.apache.provisionr.api.Provisionr;
import org.apache.provisionr.core.CoreProcessVariables;
import com.google.common.collect.ImmutableList;
import java.util.NoSuchElementException;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.runtime.ProcessInstanceQuery;
import org.apache.felix.service.command.CommandSession;
import org.junit.Test;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class DestroyPoolCommandTest {

    public static final String TEST_PROVISIONR_ID = "amazon";

    public static final String TEST_BUSINESS_KEY = "dummy";
    public static final String PROCESS_INSTANCE_ID = "123";

    @Test
    public void testDestroyPool() throws Exception {
        Provisionr service = mock(Provisionr.class);
        when(service.getId()).thenReturn(TEST_PROVISIONR_ID);

        ProcessEngine processEngine = mockProcessEngine(PROCESS_INSTANCE_ID, TEST_BUSINESS_KEY, TEST_PROVISIONR_ID);

        DestroyPoolCommand command = new DestroyPoolCommand(ImmutableList.of(service), processEngine);
        command.setBusinessKey(TEST_BUSINESS_KEY);

        CommandSession session = mock(CommandSession.class);
        command.execute(session);

        verify(service).destroyPool(TEST_BUSINESS_KEY);
    }

    @Test(expected = NoSuchElementException.class)
    public void testFailsWithAnEmptyServiceList() throws Exception {
        ProcessEngine processEngine = mockProcessEngine(PROCESS_INSTANCE_ID, TEST_BUSINESS_KEY, TEST_PROVISIONR_ID);

        DestroyPoolCommand command = new DestroyPoolCommand(ImmutableList.<Provisionr>of(), processEngine);

        CommandSession session = mock(CommandSession.class);
        command.setBusinessKey(TEST_BUSINESS_KEY);
        command.execute(session);
    }

    public ProcessEngine mockProcessEngine(String processInstanceId, String businessKey, String providerId) {
        ProcessInstance instance = mock(ProcessInstance.class);
        when(instance.getId()).thenReturn(processInstanceId);

        ProcessInstanceQuery query = mock(ProcessInstanceQuery.class);
        when(query.singleResult()).thenReturn(instance);
        when(query.processInstanceBusinessKey(eq(businessKey))).thenReturn(query);

        RuntimeService runtimeService = mock(RuntimeService.class);
        when(runtimeService.createProcessInstanceQuery()).thenReturn(query);
        when(runtimeService.getVariable(eq(processInstanceId), eq(CoreProcessVariables.PROVIDER)))
            .thenReturn(providerId);

        ProcessEngine processEngine = mock(ProcessEngine.class);
        when(processEngine.getRuntimeService()).thenReturn(runtimeService);

        return processEngine;
    }

}