Add tests for miscellaneous classes

Such as helper classes and such.

Author: fwdekker

src/main/kotlin/com/fwdekker/randomness/Scheme.kt

@@ -35,8 +35,9 @@ abstract class Scheme {
      */
     @get:Transient
     open val icon: Icon?
-        get() = if (decorator?.enabled == true) icons?.Array
-        else icons?.Base
+        get() =
+            if (decorator?.enabled == true) icons?.Array
+            else icons?.Base
 
     /**
      * The random number generator used to generate random values.

src/main/kotlin/com/fwdekker/randomness/template/TemplateActions.kt

@@ -102,8 +102,8 @@ class TemplateSettingsAction(private val template: Template? = null) : AnAction(
     override fun update(event: AnActionEvent) {
         super.update(event)
 
-        event.presentation.text = "${template?.name ?: "Template"} Settings"
         event.presentation.icon = template?.icons?.Settings ?: RandomnessIcons.Data.Settings
+        event.presentation.text = "${template?.name ?: "Template"} Settings"
     }
 
     /**

src/main/kotlin/com/fwdekker/randomness/ui/ListenerHelper.kt

@@ -21,7 +21,7 @@ import javax.swing.text.Document
  * @param listener the listener to invoke whenever any of the given components changes state
  */
 @Suppress("SpreadOperator") // Acceptable because this method is called rarely
-fun addChangeListenerTo(vararg components: Any?, listener: () -> Unit) {
+fun addChangeListenerTo(vararg components: Any, listener: () -> Unit) {
     components.forEach { component ->
         when (component) {
             is ActivityTableModelEditor<*> -> component.addChangeListener(listener)
@@ -31,7 +31,7 @@ fun addChangeListenerTo(vararg components: Any?, listener: () -> Unit) {
             is JSpinner -> component.addChangeListener { listener() }
             is JTextField -> component.addChangeListener { listener() }
             is SchemeEditor<*> -> component.addChangeListener { listener() }
-            else -> throw IllegalArgumentException("Unknown component type '${component?.javaClass?.canonicalName}'.")
+            else -> throw IllegalArgumentException("Unknown component type '${component.javaClass.canonicalName}'.")
         }
     }
 }
@@ -70,6 +70,7 @@ fun JTextField.addChangeListener(changeListener: (JTextField) -> Unit) {
     this.document.addDocumentListener(dl)
 }
 
+
 /**
  * A [MouseListener] that listens only to mouse clicks.
  *

src/test/kotlin/com/fwdekker/randomness/CapitalizationModeTest.kt

@@ -52,6 +52,12 @@ object CapitalizationModeTest : Spek({
                     .isEqualToIgnoringCase("GHmdukhNqua")
             }
         }
+
+        describe("dummy mode") {
+            it("does nothing to a string") {
+                assertThat(CapitalizationMode.DUMMY.transform.invoke("i4Oh51O")).isEqualTo("i4Oh51O")
+            }
+        }
     }
 
     describe("descriptor") {
@@ -72,9 +78,9 @@ object CapitalizationModeTest : Spek({
         }
 
         it("throws an exception if the descriptor is not recognized") {
-            assertThatThrownBy { CapitalizationMode.getMode("") }
+            assertThatThrownBy { CapitalizationMode.getMode("river") }
                 .isInstanceOf(IllegalArgumentException::class.java)
-                .hasMessage("There does not exist a capitalization mode with name ``.")
+                .hasMessage("There does not exist a capitalization mode with name `river`.")
                 .hasNoCause()
         }
     }

src/test/kotlin/com/fwdekker/randomness/Dummies.kt

@@ -3,6 +3,7 @@ package com.fwdekker.randomness
 import com.fwdekker.randomness.array.ArraySchemeDecorator
 import com.fwdekker.randomness.array.ArraySchemeDecoratorEditor
 import com.fwdekker.randomness.ui.addChangeListenerTo
+import icons.RandomnessIcons
 import java.awt.BorderLayout
 import javax.swing.Icon
 import javax.swing.JPanel
@@ -20,7 +21,8 @@ data class DummyScheme(
     var literals: List<String> = listOf(DEFAULT_OUTPUT),
     override var decorator: ArraySchemeDecorator = ArraySchemeDecorator()
 ) : Scheme() {
-    override val name = "Dummy"
+    override var icons: RandomnessIcons? = RandomnessIcons.Data
+    override var name = "Dummy"
 
 
     override fun generateUndecoratedStrings(count: Int) = List(count) { literals[it % literals.size] }
@@ -81,6 +83,8 @@ class DummySchemeEditor(scheme: DummyScheme = DummyScheme()) : SchemeEditor<Dumm
 
 
     override fun loadScheme(scheme: DummyScheme) {
+        super.loadScheme(scheme)
+
         literalsInput.text = scheme.literals.joinToString(separator = ",")
         arrayDecoratorEditor.loadScheme(scheme.decorator)
     }