1 package net.pterodactylus.sone.core
3 import com.google.common.base.Ticker
4 import com.google.common.io.ByteStreams
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.assertThat
10 import org.hamcrest.Matchers.`is`
12 import org.mockito.ArgumentMatchers.any
13 import org.mockito.ArgumentMatchers.eq
14 import org.mockito.Mockito.`when`
15 import org.mockito.Mockito.times
16 import org.mockito.Mockito.verify
17 import java.io.ByteArrayOutputStream
18 import java.util.concurrent.TimeUnit
21 * Unit test for [DefaultElementLoaderTest].
23 class DefaultElementLoaderTest {
26 private const val IMAGE_ID = "KSK@gpl.png"
27 private val freenetURI = FreenetURI(IMAGE_ID)
28 private const val decomposedKey = "CHK@DCiVgTWW9nnWHJc9EVwtFJ6jAfBSVyy~rgiPvhUKbS4,mNY85V0x7dYcv7SnEYo1PCC6y2wNWMDNt-y9UWQx9fI,AAMC--8/fru%CC%88hstu%CC%88ck.jpg"
29 private const val normalizedKey = "CHK@DCiVgTWW9nnWHJc9EVwtFJ6jAfBSVyy~rgiPvhUKbS4,mNY85V0x7dYcv7SnEYo1PCC6y2wNWMDNt-y9UWQx9fI,AAMC--8/frühstück.jpg"
32 private val freenetInterface = mock<FreenetInterface>()
33 private val ticker = mock<Ticker>()
34 private val elementLoader = DefaultElementLoader(freenetInterface, ticker)
35 private val callback = capture<BackgroundFetchCallback>()
38 fun `image loader starts request for link that is not known`() {
39 elementLoader.loadElement(IMAGE_ID)
40 verify(freenetInterface).startFetch(eq(freenetURI), any<BackgroundFetchCallback>())
44 fun `element loader only starts request once`() {
45 elementLoader.loadElement(IMAGE_ID)
46 elementLoader.loadElement(IMAGE_ID)
47 verify(freenetInterface).startFetch(eq(freenetURI), any<BackgroundFetchCallback>())
51 fun `element loader returns loading element on first call`() {
52 assertThat(elementLoader.loadElement(IMAGE_ID).loading, `is`(true))
56 fun `element loader does not cancel on image mime type`() {
57 elementLoader.loadElement(IMAGE_ID)
58 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
59 assertThat(callback.value.cancelForMimeType(freenetURI, "image/png"), `is`(false))
63 fun `element loader does cancel on audio mime type`() {
64 elementLoader.loadElement(IMAGE_ID)
65 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
66 assertThat(callback.value.cancelForMimeType(freenetURI, "audio/mpeg"), `is`(true))
70 fun `element loader does not cancel on video mime type`() {
71 elementLoader.loadElement(IMAGE_ID)
72 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
73 assertThat(callback.value.cancelForMimeType(freenetURI, "video/mkv"), `is`(true))
77 fun `element loader does not cancel on text mime type`() {
78 elementLoader.loadElement(IMAGE_ID)
79 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
80 assertThat(callback.value.cancelForMimeType(freenetURI, "text/plain"), `is`(true))
84 fun `image loader can load image`() {
85 elementLoader.loadElement(decomposedKey)
86 verify(freenetInterface).startFetch(eq(FreenetURI(decomposedKey)), callback.capture())
87 callback.value.loaded(FreenetURI(normalizedKey), "image/png", read("/static/images/unknown-image-0.png"))
88 val linkedElement = elementLoader.loadElement(decomposedKey)
89 assertThat(linkedElement, `is`(LinkedElement(normalizedKey)))
93 fun `image is not loaded again after it failed`() {
94 elementLoader.loadElement(IMAGE_ID)
95 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
96 callback.value.failed(freenetURI)
97 assertThat(elementLoader.loadElement(IMAGE_ID).failed, `is`(true))
98 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
102 fun `image is loaded again after failure cache is expired`() {
103 elementLoader.loadElement(IMAGE_ID)
104 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
105 callback.value.failed(freenetURI)
106 `when`(ticker.read()).thenReturn(TimeUnit.MINUTES.toNanos(31))
107 val linkedElement = elementLoader.loadElement(IMAGE_ID)
108 assertThat(linkedElement.failed, `is`(false))
109 assertThat(linkedElement.loading, `is`(true))
110 verify(freenetInterface, times(2)).startFetch(eq(freenetURI), callback.capture())
113 private fun read(resource: String): ByteArray =
114 javaClass.getResourceAsStream(resource)?.use { input ->
115 ByteArrayOutputStream().use {
116 ByteStreams.copy(input, it)