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

   1 /*
   2  * Sone - IdentityChangeDetectorTest.java - Copyright © 2013–2019 David 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 org.hamcrest.MatcherAssert.*
  21 import org.hamcrest.Matchers.*
  22 import org.junit.*
  23
  24 /**
  25  * Unit test for [IdentityChangeDetector].
  26  */
  27 class IdentityChangeDetectorTest {
  28
  29         private val identityChangeDetector = IdentityChangeDetector(createOldIdentities())
  30         private val newIdentities = mutableListOf<Identity>()
  31         private val removedIdentities = mutableListOf<Identity>()
  32         private val changedIdentities = mutableListOf<Identity>()
  33         private val unchangedIdentities = mutableListOf<Identity>()
  34
  35         @Before
  36         fun setup() {
  37                 identityChangeDetector.onNewIdentity = { identity -> newIdentities.add(identity) }
  38                 identityChangeDetector.onRemovedIdentity = { identity -> removedIdentities.add(identity) }
  39                 identityChangeDetector.onChangedIdentity = { identity -> changedIdentities.add(identity) }
  40                 identityChangeDetector.onUnchangedIdentity = { identity -> unchangedIdentities.add(identity) }
  41         }
  42
  43         @Test
  44         fun `no differences are detected when sending the old identities again`() {
  45                 identityChangeDetector.detectChanges(createOldIdentities())
  46                 assertThat(newIdentities, empty())
  47                 assertThat(removedIdentities, empty())
  48                 assertThat(changedIdentities, empty())
  49                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()))
  50         }
  51
  52         @Test
  53         fun `detect that an identity was removed`() {
  54                 identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity3()))
  55                 assertThat(newIdentities, empty())
  56                 assertThat(removedIdentities, containsInAnyOrder(createIdentity2()))
  57                 assertThat(changedIdentities, empty())
  58                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()))
  59         }
  60
  61         @Test
  62         fun `detect that an identity was added`() {
  63                 identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()))
  64                 assertThat(newIdentities, containsInAnyOrder(createIdentity4()))
  65                 assertThat(removedIdentities, empty())
  66                 assertThat(changedIdentities, empty())
  67                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()))
  68         }
  69
  70         @Test
  71         fun `detect that a context was removed`() {
  72                 val identity2 = createIdentity2()
  73                 identity2.removeContext("Context C")
  74                 identityChangeDetector.detectChanges(listOf(createIdentity1(), identity2, createIdentity3()))
  75                 assertThat(newIdentities, empty())
  76                 assertThat(removedIdentities, empty())
  77                 assertThat(changedIdentities, containsInAnyOrder(identity2))
  78                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()))
  79         }
  80
  81         @Test
  82         fun `detect that a context was added`() {
  83                 val identity2 = createIdentity2()
  84                 identity2.addContext("Context C1")
  85                 identityChangeDetector.detectChanges(listOf(createIdentity1(), identity2, createIdentity3()))
  86                 assertThat(newIdentities, empty())
  87                 assertThat(removedIdentities, empty())
  88                 assertThat(changedIdentities, containsInAnyOrder(identity2))
  89                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()))
  90         }
  91
  92         @Test
  93         fun `detect that a property was removed`() {
  94                 val identity1 = createIdentity1()
  95                 identity1.removeProperty("Key A")
  96                 identityChangeDetector.detectChanges(listOf(identity1, createIdentity2(), createIdentity3()))
  97                 assertThat(newIdentities, empty())
  98                 assertThat(removedIdentities, empty())
  99                 assertThat(changedIdentities, containsInAnyOrder(identity1))
 100                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity2(), createIdentity3()))
 101         }
 102
 103         @Test
 104         fun `detect that a property was added`() {
 105                 val identity3 = createIdentity3()
 106                 identity3.setProperty("Key A", "Value A")
 107                 identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), identity3))
 108                 assertThat(newIdentities, empty())
 109                 assertThat(removedIdentities, empty())
 110                 assertThat(changedIdentities, containsInAnyOrder(identity3))
 111                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()))
 112         }
 113
 114         @Test
 115         fun `detect that a property was changed`() {
 116                 val identity3 = createIdentity3()
 117                 identity3.setProperty("Key E", "Value F")
 118                 identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), identity3))
 119                 assertThat(newIdentities, empty())
 120                 assertThat(removedIdentities, empty())
 121                 assertThat(changedIdentities, containsInAnyOrder(identity3))
 122                 assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()))
 123         }
 124
 125         @Test
 126         fun `no removed identities are detected without an identity processor`() {
 127                 identityChangeDetector.onRemovedIdentity = null
 128                 identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity3()))
 129                 assertThat(removedIdentities, empty())
 130         }
 131
 132         @Test
 133         fun `no added identities are detected without an identity processor`() {
 134                 identityChangeDetector.onNewIdentity = null
 135                 identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()))
 136                 assertThat(newIdentities, empty())
 137         }
 138
 139         private fun createOldIdentities() =
 140                         listOf(createIdentity1(), createIdentity2(), createIdentity3())
 141
 142         private fun createIdentity1() =
 143                         createIdentity("Test1", setOf("Context A", "Context B"), "Key A" to "Value A", "Key B" to "Value B")
 144
 145         private fun createIdentity2() =
 146                         createIdentity("Test2", setOf("Context C", "Context D"), "Key C" to "Value C", "Key D" to "Value D")
 147
 148         private fun createIdentity3() =
 149                         createIdentity("Test3", setOf("Context E", "Context F"), "Key E" to "Value E", "Key F" to "Value F")
 150
 151         private fun createIdentity4() =
 152                         createIdentity("Test4", setOf("Context G", "Context H"), "Key G" to "Value G", "Key H" to "Value H")
 153
 154 }