com.spotify.scio.testing.PipelineSpec.scala Maven / Gradle / Ivy

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Scio helpers for ScalaTest

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/*
 * Copyright 2016 Spotify AB.
 *
 * Licensed 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 com.spotify.scio.testing

import org.scalatest.{FlatSpec, Matchers}

/**
  * Trait for unit testing pipelines.
  *
  * A simple test might look like this:
  * {{{
  * class SimplePipelineTest extends PipelineSpec {
  *   "A simple pipeline" should "sum integers" in {
  *     runWithContext { sc =>
  *       sc.parallelize(Seq(1, 2, 3)).sum should containSingleValue (6)
  *     }
  *   }
  * }
  * }}}
  */
trait PipelineSpec extends FlatSpec with Matchers with SCollectionMatchers with PipelineTestUtils