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[Sone.git] / src / test / kotlin / net / pterodactylus / sone / freenet / wot / IdentityChangeDetectorTest.kt

diff --git a/src/test/kotlin/net/pterodactylus/sone/freenet/wot/IdentityChangeDetectorTest.kt b/src/test/kotlin/net/pterodactylus/sone/freenet/wot/IdentityChangeDetectorTest.kt
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+++ b/src/test/kotlin/net/pterodactylus/sone/freenet/wot/IdentityChangeDetectorTest.kt
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+/*
+ * Sone - IdentityChangeDetectorTest.java - Copyright © 2013–2019 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.freenet.wot
+
+import org.hamcrest.MatcherAssert.*
+import org.hamcrest.Matchers.*
+import org.junit.*
+
+/**
+ * Unit test for [IdentityChangeDetector].
+ */
+class IdentityChangeDetectorTest {
+
+       private val identityChangeDetector = IdentityChangeDetector(createOldIdentities())
+       private val newIdentities = mutableListOf<Identity>()
+       private val removedIdentities = mutableListOf<Identity>()
+       private val changedIdentities = mutableListOf<Identity>()
+       private val unchangedIdentities = mutableListOf<Identity>()
+
+       @Before
+       fun setup() {
+               identityChangeDetector.onNewIdentity = { identity -> newIdentities.add(identity) }
+               identityChangeDetector.onRemovedIdentity = { identity -> removedIdentities.add(identity) }
+               identityChangeDetector.onChangedIdentity = { identity -> changedIdentities.add(identity) }
+               identityChangeDetector.onUnchangedIdentity = { identity -> unchangedIdentities.add(identity) }
+       }
+
+       @Test
+       fun `no differences are detected when sending the old identities again`() {
+               identityChangeDetector.detectChanges(createOldIdentities())
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, empty())
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()))
+       }
+
+       @Test
+       fun `detect that an identity was removed`() {
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity3()))
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, containsInAnyOrder(createIdentity2()))
+               assertThat(changedIdentities, empty())
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()))
+       }
+
+       @Test
+       fun `detect that an identity was added`() {
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()))
+               assertThat(newIdentities, containsInAnyOrder(createIdentity4()))
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, empty())
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2(), createIdentity3()))
+       }
+
+       @Test
+       fun `detect that a context was removed`() {
+               val identity2 = createIdentity2()
+               identity2.removeContext("Context C")
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), identity2, createIdentity3()))
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, containsInAnyOrder(identity2))
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()))
+       }
+
+       @Test
+       fun `detect that a context was added`() {
+               val identity2 = createIdentity2()
+               identity2.addContext("Context C1")
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), identity2, createIdentity3()))
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, containsInAnyOrder(identity2))
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity3()))
+       }
+
+       @Test
+       fun `detect that a property was removed`() {
+               val identity1 = createIdentity1()
+               identity1.removeProperty("Key A")
+               identityChangeDetector.detectChanges(listOf(identity1, createIdentity2(), createIdentity3()))
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, containsInAnyOrder(identity1))
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity2(), createIdentity3()))
+       }
+
+       @Test
+       fun `detect that a property was added`() {
+               val identity3 = createIdentity3()
+               identity3.setProperty("Key A", "Value A")
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), identity3))
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, containsInAnyOrder(identity3))
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()))
+       }
+
+       @Test
+       fun `detect that a property was changed`() {
+               val identity3 = createIdentity3()
+               identity3.setProperty("Key E", "Value F")
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), identity3))
+               assertThat(newIdentities, empty())
+               assertThat(removedIdentities, empty())
+               assertThat(changedIdentities, containsInAnyOrder(identity3))
+               assertThat(unchangedIdentities, containsInAnyOrder(createIdentity1(), createIdentity2()))
+       }
+
+       @Test
+       fun `no removed identities are detected without an identity processor`() {
+               identityChangeDetector.onRemovedIdentity = null
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity3()))
+               assertThat(removedIdentities, empty())
+       }
+
+       @Test
+       fun `no added identities are detected without an identity processor`() {
+               identityChangeDetector.onNewIdentity = null
+               identityChangeDetector.detectChanges(listOf(createIdentity1(), createIdentity2(), createIdentity3(), createIdentity4()))
+               assertThat(newIdentities, empty())
+       }
+
+       private fun createOldIdentities() =
+                       listOf(createIdentity1(), createIdentity2(), createIdentity3())
+
+       private fun createIdentity1() =
+                       createIdentity("Test1", setOf("Context A", "Context B"), "Key A" to "Value A", "Key B" to "Value B")
+
+       private fun createIdentity2() =
+                       createIdentity("Test2", setOf("Context C", "Context D"), "Key C" to "Value C", "Key D" to "Value D")
+
+       private fun createIdentity3() =
+                       createIdentity("Test3", setOf("Context E", "Context F"), "Key E" to "Value E", "Key F" to "Value F")
+
+       private fun createIdentity4() =
+                       createIdentity("Test4", setOf("Context G", "Context H"), "Key G" to "Value G", "Key H" to "Value H")
+
+}