Add tests for StackTraceUtils

base/src/main/kotlin/de/staropensource/engine/base/implementation/logging/crashcategory/InfoCrashCategory.kt

@@ -59,8 +59,7 @@ class InfoCrashCategory private constructor() : CrashCategory {
         channelSettings: ChannelSettings?,
         throwable: Throwable?,
         fatal: Boolean,
-    ): LinkedHashMap<String, Any?> {
+    ): LinkedHashMap<String, Any?> = linkedMapOf(
-        return linkedMapOf(
         Pair("Origin", linkedMapOf<String, Any>(
             Pair("Class", "${call.origin.packageName}.${call.origin.className}"),
             Pair("Method", call.origin.methodName),
@@ -71,5 +70,4 @@ class InfoCrashCategory private constructor() : CrashCategory {
         Pair("Message", call.message),
         Pair("Stacktrace", if (throwable == null) "Not available." else StackTraceUtils.stacktraceRecursive(throwable)),
     )
-    }
 }

base/src/test/kotlin/de/staropensource/engine/base/utility/misc/StackTraceUtilsTest.kt

@@ -0,0 +1,72 @@
+/*
+ * STAROPENSOURCE ENGINE SOURCE FILE
+ * Copyright (c) 2024 The StarOpenSource Engine Authors
+ * Licensed under the GNU General Public License v3.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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.utility.misc
+
+import de.staropensource.engine.base.type.Origin
+import de.staropensource.engine.testing.TestBase
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.DisplayName
+import java.lang.NullPointerException
+import kotlin.test.Test
+import kotlin.test.assertContains
+
+class StackTraceUtilsTest : TestBase() {
+    @Test
+    fun methodCaller() {
+        val origin: Origin = methodCallerOrigin()
+
+        assertEquals("de.staropensource.engine.base.utility.misc", origin.packageName)
+        assertEquals("StackTraceUtilsTest", origin.className)
+        assertEquals("methodCaller", origin.methodName)
+        assertEquals(33u, origin.lineNumber)
+    }
+
+    private fun methodCallerOrigin(): Origin = StackTraceUtils.methodCaller()
+
+    @Test
+    @DisplayName("stacktraceHeader (no message)")
+    fun stacktraceHeaderNoMessage() {
+        assertEquals("Caused by: java.lang.NullPointerException", StackTraceUtils.stacktraceHeader(NullPointerException()))
+    }
+
+    @Test
+    @DisplayName("stacktraceHeader (with message)")
+    fun stacktraceHeaderWithMessage() {
+        assertEquals("Caused by: java.lang.NullPointerException: Hello World!", StackTraceUtils.stacktraceHeader(NullPointerException("Hello World!")))
+    }
+
+    @Test
+    @DisplayName("stacktraceBody (no indent)")
+    fun stacktraceBodyNoIndent() {
+        val body: String = StackTraceUtils.stacktraceBody(Throwable(), indent = false)
+
+        assertTrue(body.startsWith("at "), "Body '${body}' does not start with 'at '")
+        assertTrue(body.contains("de.staropensource.engine.base.utility.misc.StackTraceUtilsTest"), "Body '${body}' does not contain 'de.staropensource.engine.base.utility.misc.StackTraceUtilsTest")
+    }
+
+    @Test
+    @DisplayName("stacktraceBody (with indent)")
+    fun stacktraceBodyWithIndent() {
+        val body: String = StackTraceUtils.stacktraceBody(Throwable(), indent = true)
+
+        assertTrue(body.startsWith("\tat "), "Body '${body}' does not start with '\tat '")
+        assertTrue(body.contains("de.staropensource.engine.base.utility.misc.StackTraceUtilsTest"), "Body '${body}' does not contain 'de.staropensource.engine.base.utility.misc.StackTraceUtilsTest")
+    }
+}