/*
 * 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.spark.sql.hudi.common

import org.apache.hudi.common.config.ConfigProperty
import org.apache.hudi.util.SparkConfigUtils

import org.junit.jupiter.api.Assertions.{assertEquals, assertFalse, assertTrue}
import org.junit.jupiter.api.Test

class TestSparkConfigUtils {

  val TEST_BOOLEAN_CONFIG_PROPERTY: ConfigProperty[String] = ConfigProperty
    .key("hoodie.test.boolean.config")
    .defaultValue("false")
    .withAlternatives("alternate.hoodie.test.boolean.config")
    .markAdvanced
    .withDocumentation("Testing boolean config.")

  @Test
  def testWithAltKeys(): Unit = {
    var map : Map[String, String] = Map.empty
    map += ("alternate.hoodie.test.boolean.config" -> "true")
    // Ensure alternate key gets picked up
    assertEquals("true", SparkConfigUtils.getStringWithAltKeys(map, TEST_BOOLEAN_CONFIG_PROPERTY))
    assertTrue(SparkConfigUtils.containsConfigProperty(map, TEST_BOOLEAN_CONFIG_PROPERTY))

    map += ("alternate.hoodie.test.boolean.config" -> "false")
    map += ("hoodie.test.boolean.config" -> "true")
    // Ensure actual key gets picked up
    assertEquals("true", SparkConfigUtils.getStringWithAltKeys(map, TEST_BOOLEAN_CONFIG_PROPERTY))
    assertTrue(SparkConfigUtils.containsConfigProperty(map, TEST_BOOLEAN_CONFIG_PROPERTY))

    map = Map.empty
    assertEquals("false", SparkConfigUtils.getStringWithAltKeys(map, TEST_BOOLEAN_CONFIG_PROPERTY))
    assertFalse(SparkConfigUtils.containsConfigProperty(map, TEST_BOOLEAN_CONFIG_PROPERTY))
  }
}
