streaming/src/test/scala/org/apache/gearpump/streaming/executor/TaskArgumentStoreSpec.scala

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 * to you under the Apache License, Version 2.0 (the
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 *      http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.gearpump.streaming.executor

import org.scalatest._

import org.apache.gearpump.streaming.executor.Executor.TaskArgumentStore
import org.apache.gearpump.streaming.executor.TaskLauncher.TaskArgument
import org.apache.gearpump.streaming.task.TaskId

class TaskArgumentStoreSpec extends FlatSpec with Matchers with BeforeAndAfterEach {
  it should "retain all history of taskArgument" in {
    val version0 = TaskArgument(0, null, null)
    val version2 = version0.copy(dagVersion = 2)
    val store = new TaskArgumentStore
    val task = TaskId(0, 0)
    store.add(task, version0)
    store.add(task, version2)

    // Should return a version which is same or older than expected version
    assert(store.get(dagVersion = 1, task) == Some(version0))
    assert(store.get(dagVersion = 0, task) == Some(version0))
    assert(store.get(dagVersion = 2, task) == Some(version2))

    store.removeObsoleteVersion()
    assert(store.get(dagVersion = 1, task) == None)
    assert(store.get(dagVersion = 0, task) == None)
    assert(store.get(dagVersion = 2, task) == Some(version2))
  }
}