♻️ Add first stab at async freenet interface

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

diff --git a/src/test/kotlin/net/pterodactylus/sone/freenet/AsyncFreenetInterfaceTest.kt b/src/test/kotlin/net/pterodactylus/sone/freenet/AsyncFreenetInterfaceTest.kt
new file mode 100644 (file)
index 0000000..915a4b5
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/freenet/AsyncFreenetInterfaceTest.kt
@@ -0,0 +1,80 @@
+/**
+ * Sone - AsyncFreenetInterfaceTest.kt - Copyright © 2019 David ‘Bombe’ 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
+
+import freenet.client.*
+import freenet.keys.*
+import freenet.support.io.*
+import kotlinx.coroutines.*
+import net.pterodactylus.sone.core.*
+import org.hamcrest.MatcherAssert.*
+import org.hamcrest.Matchers.*
+import java.util.concurrent.atomic.*
+import kotlin.test.*
+
+class AsyncFreenetInterfaceTest {
+
+       @Test
+       fun `returned deferred is completed by success`() = runBlocking {
+               val result = FetchResult(ClientMetadata(), NullBucket())
+               val freenetClient = object : FreenetClient {
+                       override fun fetch(freenetKey: FreenetURI) = result
+               }
+               val freenetInterface = AsyncFreenetInterface(freenetClient)
+               val fetched = async { freenetInterface.fetchUri(FreenetURI("KSK@GPL.txt")) }
+
+               withTimeout(1000) {
+                       assertThat(fetched.await(), equalTo(Fetched(FreenetURI("KSK@GPL.txt"), result)))
+               }
+       }
+
+       @Test
+       fun `permanent redircts are being followed`() = runBlocking {
+               val result = FetchResult(ClientMetadata(), NullBucket())
+               val freenetClient = object : FreenetClient {
+                       val redirected = AtomicBoolean(false)
+                       override fun fetch(freenetKey: FreenetURI) =
+                                       if (redirected.compareAndSet(false, true))
+                                               throw FetchException(FetchException.FetchExceptionMode.PERMANENT_REDIRECT, FreenetURI("KSK@GPLv3.txt"))
+                                       else result
+               }
+               val freenetInterface = AsyncFreenetInterface(freenetClient)
+               val fetched = async { freenetInterface.fetchUri(FreenetURI("KSK@GPL.txt")) }
+
+               withTimeout(1000) {
+                       assertThat(fetched.await(), equalTo(Fetched(FreenetURI("KSK@GPLv3.txt"), result)))
+               }
+       }
+
+       @Test
+       fun `fetch errors are being re-thrown`() = runBlocking<Unit> {
+               val freenetClient = object : FreenetClient {
+                       override fun fetch(freenetKey: FreenetURI) =
+                                       throw FetchException(FetchException.FetchExceptionMode.ALL_DATA_NOT_FOUND)
+               }
+               val freenetInterface = AsyncFreenetInterface(freenetClient)
+               val fetched = supervisorScope { async { freenetInterface.fetchUri(FreenetURI("KSK@GPL.txt")) } }
+
+               withTimeout(1000) {
+                       assertFailsWith(FetchException::class) {
+                               fetched.await()
+                       }
+               }
+       }
+
+}