Make linked element render filter injectable
[Sone.git] / src / test / kotlin / net / pterodactylus / sone / template / LinkedElementRenderFilterTest.kt
1 package net.pterodactylus.sone.template
2
3 import com.google.inject.Guice
4 import net.pterodactylus.sone.core.LinkedElement
5 import net.pterodactylus.sone.test.getInstance
6 import net.pterodactylus.sone.test.isProvidedByMock
7 import net.pterodactylus.util.template.ClassPathTemplateProvider
8 import net.pterodactylus.util.template.HtmlFilter
9 import net.pterodactylus.util.template.TemplateContextFactory
10 import org.hamcrest.MatcherAssert.assertThat
11 import org.hamcrest.Matchers.`is`
12 import org.hamcrest.Matchers.notNullValue
13 import org.hamcrest.Matchers.nullValue
14 import org.jsoup.Jsoup
15 import org.junit.Test
16
17 /**
18  * Unit test for [LinkedElementRenderFilter].
19  */
20 class LinkedElementRenderFilterTest {
21
22         private val templateContextFactory = TemplateContextFactory()
23
24         init {
25                 templateContextFactory.addFilter("html", HtmlFilter())
26                 templateContextFactory.addProvider(ClassPathTemplateProvider(LinkedElementRenderFilter::class.java, "/templates/"))
27         }
28
29         private val filter = LinkedElementRenderFilter(templateContextFactory)
30
31         @Test
32         fun `filter returns null for objects that are not linked elements`() {
33                 assertThat(filter.format(null, Any(), null), nullValue())
34         }
35
36         @Test
37         fun `filter renders loading animation for not loaded elements`() {
38                 val html = filter.format(null, LinkedElement("KSK@gpl.png", loading = true), emptyMap<String, Any?>()) as String
39                 val spanNode = Jsoup.parseBodyFragment(html).body().child(0)
40                 assertThat(spanNode.nodeName(), `is`("span"))
41                 assertThat(spanNode.attr("class"), `is`("linked-element"))
42                 assertThat(spanNode.attr("title"), `is`("KSK@gpl.png"))
43                 assertThat(spanNode.attr("style"), `is`("background-image: url('images/loading-animation.gif')"))
44         }
45
46         @Test
47         fun `filter can render linked images`() {
48                 val html = filter.format(null, LinkedElement("KSK@gpl.png"), emptyMap<String, Any?>()) as String
49                 val linkNode = Jsoup.parseBodyFragment(html).body().child(0)
50                 assertThat(linkNode.nodeName(), `is`("a"))
51                 assertThat(linkNode.attr("href"), `is`("/KSK@gpl.png"))
52                 val spanNode = linkNode.child(0)
53                 assertThat(spanNode.nodeName(), `is`("span"))
54                 assertThat(spanNode.attr("class"), `is`("linked-element"))
55                 assertThat(spanNode.attr("title"), `is`("KSK@gpl.png"))
56                 assertThat(spanNode.attr("style"), `is`("background-image: url('/KSK@gpl.png')"))
57         }
58
59         @Test
60         fun `render filter can be created by guice`() {
61             val injector = Guice.createInjector(TemplateContextFactory::class.isProvidedByMock())
62                 assertThat(injector.getInstance<LinkedElementRenderFilter>(), notNullValue())
63         }
64
65 }