1 package net.pterodactylus.sone.core
3 import com.google.common.io.ByteStreams
4 import com.google.common.io.Files
5 import freenet.keys.FreenetURI
6 import net.pterodactylus.sone.core.FreenetInterface.BackgroundFetchCallback
7 import net.pterodactylus.sone.test.capture
8 import net.pterodactylus.sone.test.mock
9 import org.hamcrest.MatcherAssert
10 import org.hamcrest.MatcherAssert.assertThat
11 import org.hamcrest.Matchers
12 import org.hamcrest.Matchers.`is`
13 import org.hamcrest.Matchers.instanceOf
14 import org.hamcrest.Matchers.nullValue
16 import org.mockito.ArgumentMatchers.any
17 import org.mockito.ArgumentMatchers.eq
18 import org.mockito.Mockito.times
19 import org.mockito.Mockito.verify
20 import java.io.ByteArrayOutputStream
23 * Unit test for [DefaultElementLoaderTest].
25 class DefaultElementLoaderTest {
28 private const val IMAGE_ID = "KSK@gpl.png"
31 private val freenetInterface = mock<FreenetInterface>()
32 private val elementLoader = DefaultElementLoader(freenetInterface)
33 private val callback = capture<BackgroundFetchCallback>()
36 fun `image loader starts request for link that is not known`() {
37 elementLoader.loadElement(IMAGE_ID)
38 verify(freenetInterface).startFetch(eq(FreenetURI(IMAGE_ID)), any<BackgroundFetchCallback>())
42 fun `element loader only starts request once`() {
43 elementLoader.loadElement(IMAGE_ID)
44 elementLoader.loadElement(IMAGE_ID)
45 verify(freenetInterface).startFetch(eq(FreenetURI(IMAGE_ID)), any<BackgroundFetchCallback>())
49 fun `element loader returns loading element on first call`() {
50 assertThat(elementLoader.loadElement(IMAGE_ID).loading, `is`(true))
54 fun `image loader can load image`() {
55 elementLoader.loadElement(IMAGE_ID)
56 verify(freenetInterface).startFetch(eq(FreenetURI(IMAGE_ID)), callback.capture())
57 callback.value.loaded(FreenetURI(IMAGE_ID), "image/png", read("/static/images/unknown-image-0.png"))
58 val linkedElement = elementLoader.loadElement(IMAGE_ID)
59 assertThat(linkedElement.link, `is`(IMAGE_ID))
60 assertThat(linkedElement.loading, `is`(false))
61 assertThat(linkedElement, instanceOf(LinkedImage::class.java))
65 fun `image can be loaded again after it failed`() {
66 elementLoader.loadElement(IMAGE_ID)
67 verify(freenetInterface).startFetch(eq(FreenetURI(IMAGE_ID)), callback.capture())
68 callback.value.failed(FreenetURI(IMAGE_ID))
69 elementLoader.loadElement(IMAGE_ID)
70 verify(freenetInterface, times(2)).startFetch(eq(FreenetURI(IMAGE_ID)), callback.capture())
73 private fun read(resource: String): ByteArray =
74 javaClass.getResourceAsStream(resource)?.use { input ->
75 ByteArrayOutputStream().use {
76 ByteStreams.copy(input, it)