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

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 * 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
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 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.griffin.measure.configuration.dqdefinition.reader

import org.scalatest._
import scala.util.{Failure, Success}

import org.apache.griffin.measure.configuration.dqdefinition.DQConfig
import org.apache.griffin.measure.configuration.enums.DslType.GriffinDsl


class ParamFileReaderSpec extends FlatSpec with Matchers{


  "params " should "be parsed from a valid file" in {
    val reader: ParamReader = ParamFileReader(getClass.getResource("/_accuracy-batch-griffindsl.json").getFile)
    val params = reader.readConfig[DQConfig]
    params match {
      case Success(v) =>
        v.getEvaluateRule.getRules(0).getDslType should === (GriffinDsl)
        v.getEvaluateRule.getRules(0).getOutDfName() should === ("accu")
      case Failure(_) =>
        fail("it should not happen")
    }

  }

  it should "fail for an invalid file" in {
    val reader: ParamReader = ParamFileReader(getClass.
      getResource("/invalidconfigs/missingrule_accuracy_batch_sparksql.json").getFile)
    val params = reader.readConfig[DQConfig]
    params match {
      case Success(_) =>
        fail("it is an invalid config file")
      case Failure(e) =>
        e.getMessage contains ("evaluate.rule should not be null")
    }

  }

  it should "fail for an invalid completeness json file" in {
    val reader: ParamFileReader = ParamFileReader(getClass.
      getResource("/invalidconfigs/invalidtype_completeness_batch_griffindal.json").getFile)
    val params = reader.readConfig[DQConfig]
    params match {
      case Success(_) =>
        fail("it is an invalid config file")
      case Failure(e) =>
        e.getMessage contains ("error error.conf type")
    }
  }

  it should "be parsed from a valid errorconf completeness json file" in {
    val reader: ParamReader = ParamFileReader(getClass.
      getResource("/_completeness_errorconf-batch-griffindsl.json").getFile)
    val params = reader.readConfig[DQConfig]
    params match {
      case Success(v) =>
        v.getEvaluateRule.getRules(0).getErrorConfs.length should === (2)
        v.getEvaluateRule.getRules(0).getErrorConfs(0).getColumnName.get should === ("user")
        v.getEvaluateRule.getRules(0).getErrorConfs(1).getColumnName.get should === ("name")
      case Failure(_) =>
        fail("it should not happen")
    }
  }
}