src/test/kotlin/net/pterodactylus/sone/freenet/wot/WebOfTrustPingerTest.kt

   1 /**
   2  * Sone - WebOfTrustPingerTest.kt - Copyright © 2019–2020 David ‘Bombe’ Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.freenet.wot
  19
  20 import com.google.common.eventbus.*
  21 import net.pterodactylus.sone.core.event.*
  22 import net.pterodactylus.sone.freenet.plugin.*
  23 import net.pterodactylus.sone.utils.*
  24 import org.hamcrest.MatcherAssert.*
  25 import org.hamcrest.Matchers.*
  26 import java.util.concurrent.atomic.*
  27 import java.util.function.*
  28 import kotlin.test.*
  29
  30 /**
  31  * Unit test for [WebOfTrustPinger].
  32  */
  33 class WebOfTrustPingerTest {
  34
  35         private val eventBus = EventBus()
  36         private val webOfTrustReachable = AtomicBoolean()
  37         private val webOfTrustReacher = Runnable { webOfTrustReachable.get().onFalse { throw PluginException() } }
  38         private val rescheduled = AtomicBoolean()
  39         private val reschedule: Consumer<Runnable> = Consumer { if (it == pinger) rescheduled.set(true) }
  40         private val pinger = WebOfTrustPinger(eventBus, webOfTrustReacher, reschedule)
  41
  42         @Test
  43         fun `pinger sends wot appeared event when run first and wot is reachable`() {
  44                 webOfTrustReachable.set(true)
  45                 val appearedReceived = AtomicBoolean()
  46                 eventBus.register(WebOfTrustAppearedCatcher { appearedReceived.set(true) })
  47                 pinger()
  48                 assertThat(appearedReceived.get(), equalTo(true))
  49         }
  50
  51         @Test
  52         fun `pinger reschedules when wot is reachable`() {
  53                 webOfTrustReachable.set(true)
  54                 pinger()
  55                 assertThat(rescheduled.get(), equalTo(true))
  56         }
  57
  58         @Test
  59         fun `pinger sends wot disappeared event when run first and wot is not reachable`() {
  60                 val appearedReceived = AtomicBoolean()
  61                 eventBus.register(WebOfTrustAppearedCatcher { appearedReceived.set(true) })
  62                 pinger()
  63                 assertThat(appearedReceived.get(), equalTo(false))
  64         }
  65
  66         @Test
  67         fun `pinger reschedules when wot is not reachable`() {
  68                 pinger()
  69                 assertThat(rescheduled.get(), equalTo(true))
  70         }
  71
  72         @Test
  73         fun `pinger sends wot disappeared event when run twice and wot is not reachable on second call`() {
  74                 val disappearedReceived = AtomicBoolean()
  75                 eventBus.register(WebOfTrustDisappearedCatcher { disappearedReceived.set(true) })
  76                 webOfTrustReachable.set(true)
  77                 pinger()
  78                 webOfTrustReachable.set(false)
  79                 pinger()
  80                 assertThat(disappearedReceived.get(), equalTo(true))
  81         }
  82
  83         @Test
  84         fun `pinger sends wot appeared event only once`() {
  85                 webOfTrustReachable.set(true)
  86                 val appearedReceived = AtomicBoolean()
  87                 eventBus.register(WebOfTrustAppearedCatcher { appearedReceived.set(true) })
  88                 pinger()
  89                 appearedReceived.set(false)
  90                 pinger()
  91                 assertThat(appearedReceived.get(), equalTo(false))
  92         }
  93
  94         @Test
  95         fun `pinger sends wot disappeared event only once`() {
  96                 val disappearedReceived = AtomicBoolean()
  97                 eventBus.register(WebOfTrustDisappearedCatcher { disappearedReceived.set(true) })
  98                 pinger()
  99                 disappearedReceived.set(false)
 100                 pinger()
 101                 assertThat(disappearedReceived.get(), equalTo(false))
 102         }
 103
 104 }
 105
 106 private class WebOfTrustAppearedCatcher(private val received: () -> Unit) {
 107         @Subscribe
 108         fun webOfTrustAppeared(@Suppress("UNUSED_PARAMETER") webOfTrustAppeared: WebOfTrustAppeared) {
 109                 received()
 110         }
 111 }
 112
 113 private class WebOfTrustDisappearedCatcher(private val received: () -> Unit) {
 114         @Subscribe
 115         fun webOfTrustDisappeared(@Suppress("UNUSED_PARAMETER") webOfTrustDisappeared: WebOfTrustDisappeared) {
 116                 received()
 117         }
 118 }