Split TestBase's methods & add more functionality

base/src/test/kotlin/de/staropensource/engine/base/TestBase.kt

@@ -0,0 +1,47 @@
+/*
+ * STAROPENSOURCE ENGINE SOURCE FILE
+ * Copyright (c) 2024 The StarOpenSource Engine Authors
+ * Licensed under the GNU Affero General Public License v3
+ * with an exception allowing classpath linking.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.staropensource.engine.base
+
+import de.staropensource.engine.base.type.logging.Level
+import de.staropensource.engine.testing.TestBase
+
+/**
+ * Base class for implementing tests.
+ *
+ * This class sets some nice defaults
+ * and adds other things only useful to us.
+ *
+ * @param autoManage           automatically initializes and shuts the engine down after each test
+ * @param logLevels            contains the allowed log levels
+ * @param shutdownMarksFailure whether engine shutdowns should mark the test as failed
+ * @since v1-alpha10
+ */
+abstract class TestBase(
+    autoManage: Boolean? = null,
+    logLevels: Array<Level>? = null,
+    shutdownMarksFailure: Boolean? = null
+) : TestBase(
+    autoManage = autoManage != false,
+    suppressInitAndShutdownLogging = true,
+    logLevels = logLevels ?: Level.entries.toTypedArray(),
+    printTestExecution = true,
+    shutdownMarksFailure = shutdownMarksFailure == true
+)

build.gradle.kts

@@ -177,6 +177,7 @@ allprojects {
     // -> Configure Gradle to use JUnit
     tasks.test {
         useJUnitPlatform()
+
         testLogging {
             events(
                 "passed",

testing/src/main/kotlin/de/staropensource/engine/testing/TestBase.kt

@@ -24,28 +24,83 @@ import de.staropensource.engine.base.Engine
 import de.staropensource.engine.base.Engine.State
 import de.staropensource.engine.base.EngineConfiguration
 import de.staropensource.engine.base.type.logging.ChannelSettings
+import de.staropensource.engine.base.type.logging.Level
 import de.staropensource.engine.testing.implementation.FailureShutdownHandler
+import de.staropensource.engine.testing.implementation.NoOperationShutdownHandler
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.TestInfo
 import org.junit.jupiter.api.fail
+import kotlin.concurrent.fixedRateTimer
+import kotlin.jvm.optionals.getOrDefault
+import kotlin.jvm.optionals.getOrNull
 
 /**
  * Base class for implementing tests.
  *
  * @param autoManage                     automatically initializes and shuts the engine down after each test
  * @param suppressInitAndShutdownLogging if to suppress the engine's log output during engine initialization and shutdown. Only takes effect if [autoManage] is `true`
+ * @param logLevels                      contains the allowed log levels
+ * @param printTestExecution             whether to display when a test started and ended. Useful when dealing with a lot of log output
  * @param shutdownMarksFailure           whether engine shutdowns should mark the test as failed
  * @since v1-alpha10
  */
 abstract class TestBase(
     val autoManage: Boolean = true,
     val suppressInitAndShutdownLogging: Boolean = true,
+    val logLevels: Array<Level> = arrayOf(Level.INFORMATIONAL, Level.WARNING, Level.ERROR, Level.CRASH),
+    val printTestExecution: Boolean = true,
     val shutdownMarksFailure: Boolean = false
 ) {
     init {
         performConfiguration()
     }
 
+    /**
+     * Initializes the engine before each test.
+     *
+     * @since v1-alpha10
+     */
+    @BeforeEach
+    fun beforeTask(testInfo: TestInfo) {
+        when (Engine.state) {
+            State.INITIALIZING, State.SHUTTING_DOWN -> fail("Engine is in invalid state 'Engine.State.${Engine.state.name}'")
+            State.CRASHED -> fail("The StarOpenSource Engine has crashed")
+            else -> {}
+        }
+
+        // Initialize engine
+        initializeEngine()
+
+        // Print test starting
+        if (printTestExecution)
+            println("-> STARTING test '${testInfo.displayName}' [${testInfo.testClass.getOrNull()?.name ?: ""}#${testInfo.testMethod.getOrNull()?.name ?: ""}]")
+    }
+
+    /**
+     * Shuts the engine down after each test
+     *
+     * @since v1-alpha10
+     */
+    @AfterEach
+    fun afterTask(testInfo: TestInfo) {
+        when (Engine.state) {
+            State.UNINITIALIZED -> fail("Internal inconsistency detected: Engine configuration was not performed")
+            State.INITIALIZING, State.SHUTTING_DOWN -> fail("Engine is in invalid state 'Engine.State.${Engine.state.name}'")
+            State.CRASHED -> fail("The StarOpenSource Engine has crashed")
+            else -> {}
+        }
+
+        // Shutdown engine
+        shutdownEngine()
+
+        // Print test ending
+        if (printTestExecution)
+            println("-> FINISHED test '${testInfo.displayName}' [${testInfo.testClass.getOrNull()?.name ?: ""}#${testInfo.testMethod.getOrNull()?.name ?: ""}]")
+    }
+
+
+    // -----> Utility methods
     /**
      * Configures the engine before
      * starting any tests.
@@ -60,24 +115,17 @@ abstract class TestBase(
         if (shutdownMarksFailure)
             EngineConfiguration.shutdownHandler = FailureShutdownHandler.instance
         else
-            EngineConfiguration.shutdownHandler = FailureShutdownHandler.instance
+            EngineConfiguration.shutdownHandler = NoOperationShutdownHandler.instance
 
-        //if (Engine.state == State.UNINITIALIZED) {}
+        EngineConfiguration.logLevels = logLevels.toMutableSet()
     }
 
     /**
-     * Initializes the engine before each test.
+     * Initializes the StarOpenSource Engine.
      *
      * @since v1-alpha10
      */
-    @BeforeEach
+    private fun initializeEngine() {
-    fun initializeEngine() {
-        when (Engine.state) {
-            State.INITIALIZING, State.SHUTTING_DOWN -> fail("Engine is in invalid state 'Engine.State.${Engine.state.name}'")
-            State.CRASHED -> fail("The StarOpenSource Engine has crashed")
-            else -> {}
-        }
-
         if (autoManage) {
             val originalSettings: ChannelSettings = ChannelSettings.global
 
@@ -95,19 +143,11 @@ abstract class TestBase(
     }
 
     /**
-     * Shuts the engine down after each test
+     * Shuts the StarOpenSource Engine down.
      *
      * @since v1-alpha10
      */
-    @AfterEach
+    private fun shutdownEngine() {
-    fun shutdownEngine() {
-        when (Engine.state) {
-            State.UNINITIALIZED -> fail("Internal inconsistency detected: Engine configuration was not performed")
-            State.INITIALIZING, State.SHUTTING_DOWN -> fail("Engine is in invalid state 'Engine.State.${Engine.state.name}'")
-            State.CRASHED -> fail("The StarOpenSource Engine has crashed")
-            else -> {}
-        }
-
         if (autoManage) {
             val originalSettings: ChannelSettings = ChannelSettings.global