/*
 * 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
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package org.apache.texera.amber.operator.source.fetcher

import org.apache.texera.amber.core.tuple.Schema
import org.apache.texera.amber.util.JSONUtils.objectMapper
import org.scalatest.BeforeAndAfter
import org.scalatest.flatspec.AnyFlatSpec
class URLFetcherOpExecSpec extends AnyFlatSpec with BeforeAndAfter {

  val resultSchema: Schema = new URLFetcherOpDesc().sourceSchema()

  val opDesc: URLFetcherOpDesc = new URLFetcherOpDesc()

  it should "fetch url and output one tuple with raw bytes" in {
    opDesc.url = "https://www.google.com"
    opDesc.decodingMethod = DecodingMethod.RAW_BYTES
    val fetcherOpExec = new URLFetcherOpExec(objectMapper.writeValueAsString(opDesc))
    val iterator = fetcherOpExec.produceTuple()
    assert(iterator.next().getFields.toList.head.isInstanceOf[Array[Byte]])
    assert(!iterator.hasNext)
  }

  it should "fetch url and output one tuple with UTF-8 string" in {
    opDesc.url = "https://www.google.com"
    opDesc.decodingMethod = DecodingMethod.UTF_8
    val fetcherOpExec = new URLFetcherOpExec(objectMapper.writeValueAsString(opDesc))
    val iterator = fetcherOpExec.produceTuple()
    assert(iterator.next().getFields.toList.head.isInstanceOf[String])
    assert(!iterator.hasNext)
  }

}
