measure/src/test/scala/org/apache/griffin/measure/configuration/dqdefinition/reader/ParamJsonReaderSpec.scala

/*
 * 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
 *
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 * 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
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package org.apache.griffin.measure.configuration.dqdefinition.reader

import scala.io.Source
import scala.util.{Failure, Success}

import org.scalatest.flatspec.AnyFlatSpec
import org.scalatest.matchers.should._

import org.apache.griffin.measure.configuration.dqdefinition.DQConfig

class ParamJsonReaderSpec extends AnyFlatSpec with Matchers {

  "params " should "be parsed from a valid file" in {
    val bufferedSource =
      Source.fromFile(getClass.getResource("/_accuracy-batch-griffindsl.json").getFile)
    val jsonString = bufferedSource.getLines().mkString
    bufferedSource.close

    val reader: ParamReader = ParamJsonReader(jsonString)
    val params = reader.readConfig[DQConfig]

    assert(params.isSuccess)
  }

  it should "fail for an invalid file" in {
    val bufferedSource = Source.fromFile(
      getClass.getResource("/invalidconfigs/missingrule_accuracy_batch_sparksql.json").getFile)
    val jsonString = bufferedSource.getLines().mkString
    bufferedSource.close

    val reader: ParamReader = ParamJsonReader(jsonString)
    val params = reader.readConfig[DQConfig]
    params match {
      case Success(_) =>
        fail("it is an invalid config file")
      case Failure(e) =>
        e.getMessage should include("Connector is undefined or invalid")
    }

  }

}