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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.standalone


import org.junit.Assert._
import org.junit.Test
import org.hamcrest.CoreMatchers.is
import org.hamcrest.text.StringContainsInOrder.stringContainsInOrder
import StandaloneContainerTest._
import com.yahoo.vespa.model.AbstractService
import java.util.Arrays.asList
import scala.util.Try


/**
 * @author tonytv
 * @author gjoranv
 */

class StandaloneContainerTest {
  @Test
  def container_is_allowed_root_element() {
    StandaloneContainer.withContainerModel(plainXml) { root =>  }
  }

  @Test
  def services_is_allowed_root_element() {
    val servicesXml =
      <services>
        <container version="1.0" />
      </services>

    StandaloneContainer.withContainerModel(servicesXml) { root =>  }
  }

  @Test
  def multiple_container_elements_cannot_be_deployed() {
    val twoContainersXml =
      <services>
        <container id="container-1" version="1.0" />
        <container id="container-2" version="1.0" />
      </services>

    assertTrue(
      Try {
        StandaloneContainer.withContainerModel(twoContainersXml) { root =>  }
      }.isFailure)
  }

  @Test
  def application_preprocessor_is_run() {
    val servicesXml =
      <services xmlns:preprocess="properties">
        <preprocess:properties>
          <container_id>container-1</container_id>
        </preprocess:properties>
        <container id="${container_id}" version="1.0" />
      </services>
    StandaloneContainer.withContainerModel(servicesXml) {
      root =>
        assertNotNull(root.getProducer("container-1/standalone"))
    }
  }

  @Test
  def no_default_ports_are_enabled_when_using_http() {
    val xml =
      <jdisc version="1.0">
        <http>
          <server port="4000" id="server1" />
        </http>
      </jdisc>

    StandaloneContainer.withContainerModel(xml) { root =>
      val container = root.getProducer("jdisc/standalone").asInstanceOf[AbstractService]
      println("portCnt: " + container.getPortCount)
      println("numPorts: " + container.getNumPortsAllocated)
      assertThat(container.getNumPortsAllocated, is(1))
    }
  }

  @Test
  def manhattan_http_port_yinst_variable_must_be_set() {
    System.clearProperty(StandaloneContainerApplication.manhattanHttpPortYinstVariable)
    try {
      StandaloneContainerApplication.manhattanHttpPort
      fail("Port should be a required setting")
    } catch {
      case e: Exception =>
        assertThat(e.getMessage, stringContainsInOrder(asList("Environment variable not set",  "manhattan_http_port")))
    }
  }

  @Test
  def manhattan_http_port_must_be_positive_integer() {
    assertThat(setAndGetPort(1234), is(1234))
    assertTrue(Try { setAndGetPort(-1) }.isFailure)
    assertTrue(Try { setAndGetPort( 0) }.isFailure)
  }

  def setAndGetPort(port: Int): Int = {
    System.setProperty(StandaloneContainerApplication.manhattanHttpPortYinstVariable, Integer.toString(port))
    StandaloneContainerApplication.manhattanHttpPort
  }
}

object StandaloneContainerTest {

  val plainXml = <container version="1.0" />
}