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 empty span 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 not-loaded"))
  42                 assertThat(spanNode.attr("title"), `is`("KSK@gpl.png"))
  43                 assertThat(spanNode.hasAttr("style"), `is`(false))
  44                 assertThat(spanNode.children().isEmpty(), `is`(true))
  45         }
  46
  47         @Test
  48         fun `filter can render linked images`() {
  49                 val html = filter.format(null, LinkedElement("KSK@gpl.png"), emptyMap<String, Any?>()) as String
  50                 val outerSpanNode = Jsoup.parseBodyFragment(html).body().child(0)
  51                 assertThat(outerSpanNode.nodeName(), `is`("span"))
  52                 assertThat(outerSpanNode.attr("class"), `is`("linked-element loaded"))
  53                 assertThat(outerSpanNode.attr("title"), `is`("KSK@gpl.png"))
  54                 val linkNode = outerSpanNode.child(0)
  55                 assertThat(linkNode.nodeName(), `is`("a"))
  56                 assertThat(linkNode.attr("href"), `is`("/KSK@gpl.png"))
  57                 val innerSpanNode = linkNode.child(0)
  58                 assertThat(innerSpanNode.attr("style"), `is`("background-image: url('/KSK@gpl.png')"))
  59         }
  60
  61         @Test
  62         fun `render filter can be created by guice`() {
  63             val injector = Guice.createInjector(TemplateContextFactory::class.isProvidedByMock())
  64                 assertThat(injector.getInstance<LinkedElementRenderFilter>(), notNullValue())
  65         }
  66
  67 }