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/*
* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.gearpump.streaming.twitter
import java.time.Instant
import org.apache.gearpump.streaming.MockUtil
import org.apache.gearpump.streaming.twitter.TwitterSource.{Factory, MessageListener}
import org.mockito.Mockito._
import org.scalacheck.{Arbitrary, Gen}
import org.scalatest.mock.MockitoSugar
import org.scalatest.{Matchers, PropSpec}
import org.scalatest.prop.PropertyChecks
import twitter4j.{FilterQuery, TwitterStream}
class TwitterSourceSpec extends PropSpec with PropertyChecks with Matchers with MockitoSugar {
implicit val arbQuery: Arbitrary[Option[FilterQuery]] = Arbitrary {
Gen.oneOf(None, Some(new FilterQuery()))
}
property("TwitterSource should properly setup, poll message and teardown") {
forAll {
(query: Option[FilterQuery], startTime: Long) =>
val factory = mock[Factory]
val stream = mock[TwitterStream]
val listener = mock[MessageListener]
when(factory.getTwitterStream).thenReturn(stream)
val twitterSource = new TwitterSource(factory, query, listener)
twitterSource.open(MockUtil.mockTaskContext, Instant.ofEpochMilli(startTime))
verify(stream).addListener(listener)
query match {
case Some(q) =>
verify(stream).filter(q)
case None =>
verify(stream).sample()
}
twitterSource.read()
verify(listener).poll()
twitterSource.close()
verify(stream).shutdown()
}
}
}