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.equalTo
11 import org.hamcrest.Matchers.equalTo
13 import org.mockito.ArgumentMatchers.any
14 import org.mockito.ArgumentMatchers.eq
15 import org.mockito.Mockito.`when`
16 import org.mockito.Mockito.times
17 import org.mockito.Mockito.verify
18 import java.io.ByteArrayOutputStream
19 import java.util.concurrent.TimeUnit
22 * Unit test for [DefaultElementLoaderTest].
24 class DefaultElementLoaderTest {
26 private val freenetInterface = mock<FreenetInterface>()
27 private val ticker = mock<Ticker>()
28 private val elementLoader = DefaultElementLoader(freenetInterface, ticker)
29 private val callback = capture<BackgroundFetchCallback>()
32 fun `image loader starts request for link that is not known`() {
33 elementLoader.loadElement(IMAGE_ID)
34 verify(freenetInterface).startFetch(eq(freenetURI), any<BackgroundFetchCallback>())
38 fun `element loader only starts request once`() {
39 elementLoader.loadElement(IMAGE_ID)
40 elementLoader.loadElement(IMAGE_ID)
41 verify(freenetInterface).startFetch(eq(freenetURI), any<BackgroundFetchCallback>())
45 fun `element loader returns loading element on first call`() {
46 assertThat(elementLoader.loadElement(IMAGE_ID).loading, equalTo(true))
50 fun `element loader does not cancel on image mime type with 2 mib size`() {
51 elementLoader.loadElement(IMAGE_ID)
52 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
53 assertThat(callback.value.shouldCancel(freenetURI, "image/png", sizeOkay), equalTo(false))
57 fun `element loader does cancel on image mime type with more than 2 mib size`() {
58 elementLoader.loadElement(IMAGE_ID)
59 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
60 assertThat(callback.value.shouldCancel(freenetURI, "image/png", sizeNotOkay), equalTo(true))
64 fun `element loader does cancel on audio mime type`() {
65 elementLoader.loadElement(IMAGE_ID)
66 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
67 assertThat(callback.value.shouldCancel(freenetURI, "audio/mpeg", sizeOkay), equalTo(true))
71 fun `element loader does cancel on video mime type`() {
72 elementLoader.loadElement(IMAGE_ID)
73 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
74 assertThat(callback.value.shouldCancel(freenetURI, "video/mkv", sizeOkay), equalTo(true))
78 fun `element loader does cancel on text mime type`() {
79 elementLoader.loadElement(IMAGE_ID)
80 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
81 assertThat(callback.value.shouldCancel(freenetURI, "text/plain", sizeOkay), equalTo(true))
85 fun `element loader does not cancel on text html mime type`() {
86 elementLoader.loadElement(IMAGE_ID)
87 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
88 assertThat(callback.value.shouldCancel(freenetURI, "text/html", sizeOkay), equalTo(false))
92 fun `image loader can load image`() {
93 elementLoader.loadElement(decomposedKey)
94 verify(freenetInterface).startFetch(eq(FreenetURI(decomposedKey)), callback.capture())
95 callback.value.loaded(FreenetURI(normalizedKey), "image/png", read("/static/images/unknown-image-0.png"))
96 val linkedElement = elementLoader.loadElement(decomposedKey)
97 assertThat(linkedElement, equalTo(LinkedElement(normalizedKey, properties = mapOf(
98 "type" to "image", "size" to 2451, "sizeHuman" to "2 KiB"
103 fun `element loader can extract description from description header`() {
104 elementLoader.loadElement(textKey)
105 verify(freenetInterface).startFetch(eq(FreenetURI(textKey)), callback.capture())
106 callback.value.loaded(FreenetURI(textKey), "text/html; charset=UTF-8", read("element-loader.html"))
107 val linkedElement = elementLoader.loadElement(textKey)
108 assertThat(linkedElement, equalTo(LinkedElement(textKey, properties = mapOf(
111 "sizeHuman" to "266 B",
112 "title" to "Some Nice Page Title",
113 "description" to "This is an example of a very nice freesite."
118 fun `element loader can extract description from first non-heading paragraph`() {
119 elementLoader.loadElement(textKey)
120 verify(freenetInterface).startFetch(eq(FreenetURI(textKey)), callback.capture())
121 callback.value.loaded(FreenetURI(textKey), "text/html; charset=UTF-8", read("element-loader2.html"))
122 val linkedElement = elementLoader.loadElement(textKey)
123 assertThat(linkedElement, equalTo(LinkedElement(textKey, properties = mapOf(
126 "sizeHuman" to "185 B",
127 "title" to "Some Nice Page Title",
128 "description" to "This is the first paragraph of the very nice freesite."
133 fun `element loader can not extract description if html is more complicated`() {
134 elementLoader.loadElement(textKey)
135 verify(freenetInterface).startFetch(eq(FreenetURI(textKey)), callback.capture())
136 callback.value.loaded(FreenetURI(textKey), "text/html; charset=UTF-8", read("element-loader3.html"))
137 val linkedElement = elementLoader.loadElement(textKey)
138 assertThat(linkedElement, equalTo(LinkedElement(textKey, properties = mapOf(
141 "sizeHuman" to "204 B",
142 "title" to "Some Nice Page Title",
143 "description" to null
148 fun `element loader can not extract title if it is missing`() {
149 elementLoader.loadElement(textKey)
150 verify(freenetInterface).startFetch(eq(FreenetURI(textKey)), callback.capture())
151 callback.value.loaded(FreenetURI(textKey), "text/html; charset=UTF-8", read("element-loader4.html"))
152 val linkedElement = elementLoader.loadElement(textKey)
153 assertThat(linkedElement, equalTo(LinkedElement(textKey, properties = mapOf(
156 "sizeHuman" to "229 B",
158 "description" to "This is an example of a very nice freesite."
163 fun `image is not loaded again after it failed`() {
164 elementLoader.loadElement(IMAGE_ID)
165 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
166 callback.value.failed(freenetURI)
167 assertThat(elementLoader.loadElement(IMAGE_ID).failed, equalTo(true))
168 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
172 fun `image is loaded again after failure cache is expired`() {
173 elementLoader.loadElement(IMAGE_ID)
174 verify(freenetInterface).startFetch(eq(freenetURI), callback.capture())
175 callback.value.failed(freenetURI)
176 `when`(ticker.read()).thenReturn(TimeUnit.MINUTES.toNanos(31))
177 val linkedElement = elementLoader.loadElement(IMAGE_ID)
178 assertThat(linkedElement.failed, equalTo(false))
179 assertThat(linkedElement.loading, equalTo(true))
180 verify(freenetInterface, times(2)).startFetch(eq(freenetURI), callback.capture())
183 private fun read(resource: String): ByteArray =
184 javaClass.getResourceAsStream(resource)?.use { input ->
185 ByteArrayOutputStream().use {
186 ByteStreams.copy(input, it)
193 private const val IMAGE_ID = "KSK@gpl.png"
194 private val freenetURI = FreenetURI(IMAGE_ID)
195 private const val decomposedKey = "CHK@DCiVgTWW9nnWHJc9EVwtFJ6jAfBSVyy~rgiPvhUKbS4,mNY85V0x7dYcv7SnEYo1PCC6y2wNWMDNt-y9UWQx9fI,AAMC--8/fru%CC%88hstu%CC%88ck.jpg"
196 private const val normalizedKey = "CHK@DCiVgTWW9nnWHJc9EVwtFJ6jAfBSVyy~rgiPvhUKbS4,mNY85V0x7dYcv7SnEYo1PCC6y2wNWMDNt-y9UWQx9fI,AAMC--8/frühstück.jpg"
197 private const val textKey = "KSK@gpl.html"
198 private const val sizeOkay = 2097152L
199 private const val sizeNotOkay = sizeOkay + 1