Moved tests over to Kotlin. (#1428)

app/src/test/kotlin/fr/free/nrw/commons/PageTitleTest.kt

@@ -0,0 +1,67 @@
+package fr.free.nrw.commons
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import java.net.URLEncoder
+
+@RunWith(RobolectricTestRunner::class)
+@Config(constants = BuildConfig::class, sdk = intArrayOf(21), application = TestCommonsApplication::class)
+class PageTitleTest {
+    @Test
+    fun displayTextShouldNotBeUnderscored() {
+        val pageTitle = PageTitle("Ex_1 ")
+        assertEquals("Ex 1", pageTitle.displayText)
+    }
+
+    @Test
+    fun moreThanTwoColons() {
+        val pageTitle = PageTitle("File:sample:a.jpg")
+        assertEquals("File:Sample:a.jpg", pageTitle.prefixedText)
+    }
+
+    @Test
+    fun getTextShouldReturnWithoutNamespace() {
+        val pageTitle = PageTitle("File:sample.jpg")
+        assertEquals("Sample.jpg", pageTitle.text)
+    }
+
+
+    @Test
+    fun capitalizeNameAfterNamespace() {
+        val pageTitle = PageTitle("File:sample.jpg")
+        assertEquals("File:Sample.jpg", pageTitle.prefixedText)
+    }
+
+    @Test
+    fun prefixedTextShouldBeUnderscored() {
+        val pageTitle = PageTitle("Ex 1 ")
+        assertEquals("Ex_1", pageTitle.prefixedText)
+    }
+
+    @Test
+    fun getMobileUriForTest() {
+        val pageTitle = PageTitle("Test")
+        assertEquals(BuildConfig.MOBILE_HOME_URL + "Test", pageTitle.mobileUri.toString())
+    }
+
+    @Test
+    fun spaceBecomesUnderscoreInUri() {
+        val pageTitle = PageTitle("File:Ex 1.jpg")
+        assertEquals(BuildConfig.HOME_URL + "File:Ex_1.jpg", pageTitle.canonicalUri.toString())
+    }
+
+    @Test
+    fun leaveSubpageNamesUncapitalizedInUri() {
+        val pageTitle = PageTitle("User:Ex/subpage")
+        assertEquals(BuildConfig.HOME_URL + "User:Ex/subpage", pageTitle.canonicalUri.toString())
+    }
+
+    @Test
+    fun unicodeUri() {
+        val pageTitle = PageTitle("User:例")
+        assertEquals(BuildConfig.HOME_URL + "User:" + URLEncoder.encode("例", "utf-8"), pageTitle.canonicalUri.toString())
+    }
+}