/*
 * 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.hudi;

import org.apache.hudi.exception.HoodieException;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.junit.jupiter.MockitoExtension;

import static org.junit.jupiter.api.Assertions.assertEquals;

@ExtendWith(MockitoExtension.class)
public class TestQuickstartUtils {

  @Test
  public void testGenerateUpdates() throws Exception {
    QuickstartUtils.DataGenerator dataGenerator = new QuickstartUtils.DataGenerator();

    //Call generateUpdates directly then throws HoodieException
    assertEquals(Assertions.assertThrows(HoodieException.class, () -> {
      dataGenerator.generateUpdates(10);
    }).getMessage(), "Data must have been written before performing the update operation");

    //Execute generateInserts before executing generateUpdates then no exception
    assertEquals(dataGenerator.generateInserts(10).size(), 10);
    assertEquals(dataGenerator.generateUpdates(10).size(), 10);
  }
}
