Add unit test for l10n filter

diff --git a/src/test/kotlin/net/pterodactylus/sone/freenet/L10nFilterTest.kt b/src/test/kotlin/net/pterodactylus/sone/freenet/L10nFilterTest.kt
new file mode 100644 (file)
index 0000000..f070df2
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/freenet/L10nFilterTest.kt
@@ -0,0 +1,49 @@
+package net.pterodactylus.sone.freenet
+
+import freenet.l10n.BaseL10n
+import freenet.l10n.BaseL10n.LANGUAGE.ENGLISH
+import net.pterodactylus.sone.test.mock
+import net.pterodactylus.sone.test.whenever
+import net.pterodactylus.sone.web.WebInterface
+import net.pterodactylus.util.template.TemplateContext
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.Matchers.equalTo
+import org.junit.Before
+import org.junit.Test
+import org.mockito.ArgumentMatchers.anyString
+
+/**
+ * Unit test for [L10nFilter].
+ */
+class L10nFilterTest {
+
+       private val webInterface = mock<WebInterface>()
+       private val filter = L10nFilter(webInterface)
+       private val templateContext = mock<TemplateContext>()
+       private val l10n = mock<BaseL10n>()
+       private val translations = mutableMapOf<String, String>()
+
+       @Before
+       fun setupWebInterface() {
+               whenever(webInterface.l10n).thenReturn(l10n)
+       }
+
+       @Before
+       fun setupL10n() {
+               whenever(l10n.selectedLanguage).thenReturn(ENGLISH)
+               whenever(l10n.getString(anyString())).then { translations[it.arguments[0]] }
+       }
+
+       @Test
+       fun `translation without parameters returns translated string`() {
+               translations["data"] = "translated data"
+               assertThat(filter.format(templateContext, "data", emptyMap()), equalTo("translated data"))
+       }
+
+       @Test
+       fun `translation with parameters returned translated string`() {
+               translations["data"] = "translated {0,number} {1}"
+               assertThat(filter.format(templateContext, "data", mapOf("0" to 4.5, "1" to "data")), equalTo("translated 4.5 data"))
+       }
+
+}