/*
 * 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.
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package org.apache.dolphinscheduler.server.master.engine.task.dispatcher;

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import org.apache.dolphinscheduler.dao.entity.TaskInstance;
import org.apache.dolphinscheduler.plugin.task.api.TaskExecutionContext;
import org.apache.dolphinscheduler.server.master.config.MasterConfig;
import org.apache.dolphinscheduler.server.master.engine.task.client.ITaskExecutorClient;
import org.apache.dolphinscheduler.server.master.engine.task.execution.ITaskExecution;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.test.util.ReflectionTestUtils;

@ExtendWith(MockitoExtension.class)
class WorkerGroupDispatcherCoordinatorTest {

    private WorkerGroupDispatcherCoordinator workerGroupDispatcherCoordinator;

    @Mock
    private ITaskExecutorClient taskExecutorClient;

    @BeforeEach
    void setUp() {
        MasterConfig masterConfig = new MasterConfig();
        workerGroupDispatcherCoordinator = new WorkerGroupDispatcherCoordinator(masterConfig);
        ReflectionTestUtils.setField(workerGroupDispatcherCoordinator, "taskExecutorClient", taskExecutorClient);
    }

    @Test
    void addTaskToWorkerGroup_NewWorkerGroup_ShouldAddTask() {
        String workerGroup = "newGroup";
        long delayTimeMills = 1000;

        ITaskExecution taskExecution = Mockito.mock(ITaskExecution.class);
        TaskInstance taskInstance = mock(TaskInstance.class);
        TaskExecutionContext taskExecutionContext = mock(TaskExecutionContext.class);

        when(taskExecution.getTaskInstance()).thenReturn(taskInstance);
        when(taskInstance.getWorkerGroup()).thenReturn(workerGroup);
        when(taskExecution.getTaskExecutionContext()).thenReturn(taskExecutionContext);
        when(taskExecutionContext.getDispatchFailTimes()).thenReturn(1);

        assertFalse(workerGroupDispatcherCoordinator.existWorkerGroup(workerGroup));

        workerGroupDispatcherCoordinator.dispatchTask(taskExecution, delayTimeMills);

        assertTrue(workerGroupDispatcherCoordinator.existWorkerGroup(workerGroup));
    }

}
