Hopefully fix paths on Windoze?

base/src/test/kotlin/de/staropensource/engine/base/utility/FileAccessTest.kt

@@ -35,6 +35,40 @@ import kotlin.test.assertTrue
 
 @Suppress("LargeClass")
 class FileAccessTest : TestBase() {
+    // -----> Utility methods
+    //        These help in tests
+    /**
+     * Transforms file paths returned by
+     * [FileAccess.toString] for proper comparison.
+     *
+     * This method takes platform-specific restrictions and
+     * quirks into consideration to transform the supplied
+     * path. It also applies various formatting rules used
+     * extensively in the tests provided by this class.
+     *
+     * @param path path string to transform
+     * @return transformed path string
+     * @throws NullPointerException if [FileAccess.temporaryCacheDirectory] is `null`
+     * @since v1-alpha10
+     */
+    @Throws(NullPointerException::class)
+    private fun transformToStringPath(path: String): String {
+        var string: String = path
+
+        // Replace formatting rules of this test class
+        string = string
+            .replace("+", FileAccess.temporaryCacheDirectory!!.toString())
+            .replace("%", File.separator)
+
+        // Apply operating system-specific updates
+        when (Environment.operatingSystem) {
+            Environment.OperatingSystem.WINDOWS -> string = "C:${string}"
+            else -> {}
+        }
+
+        return string
+    }
+
     // -----> Tests on non-existent files
     //        These tests are executed on paths which likely do not exist
     @ParameterizedTest
@@ -49,8 +83,7 @@ class FileAccessTest : TestBase() {
     )
     fun toStringTest(supplyValue: String, compareValue: String) {
         assertEquals(
-            compareValue
+            transformToStringPath(compareValue),
-                .replace("+", FileAccess.temporaryCacheDirectory!!.toString()),
             FileAccess
                 .temporaryCacheDirectory!!
                 .traverse(supplyValue)
@@ -70,9 +103,7 @@ class FileAccessTest : TestBase() {
     )
     fun toStringRaw(supplyValue: String, compareValue: String) {
         assertEquals(
-            compareValue
+            transformToStringPath(compareValue),
-                .replace("+", FileAccess.temporaryCacheDirectory!!.toString())
-                .replace("%", File.separator),
             FileAccess
                 .temporaryCacheDirectory!!
                 .traverse(supplyValue)
@@ -92,7 +123,7 @@ class FileAccessTest : TestBase() {
     )
     fun getBaseName(supplyValue: String, compareValue: String) {
         assertEquals(
-            compareValue,
+            transformToStringPath(compareValue),
             FileAccess
                 .temporaryCacheDirectory!!
                 .traverse(supplyValue)
@@ -112,8 +143,7 @@ class FileAccessTest : TestBase() {
     )
     fun parent(supplyValue: String, compareValue: String) {
         assertEquals(
-            compareValue
+            transformToStringPath(compareValue),
-                .replace("+", FileAccess.temporaryCacheDirectory!!.toString()),
             FileAccess
                 .temporaryCacheDirectory!!
                 .traverse(supplyValue)
@@ -403,9 +433,7 @@ class FileAccessTest : TestBase() {
     )
     fun getLinkDestinationReal(supplyValue: String, compareValue: String) {
         assertEquals(
-            compareValue
+            transformToStringPath(compareValue),
-                .replace("+", FileAccess.temporaryCacheDirectory!!.toString())
-                .replace("%", File.separator),
             FileAccess
                 .temporaryCacheDirectory!!
                 .traverse("getLinkDestinationSymlinkReal.link.txt")
@@ -434,9 +462,7 @@ class FileAccessTest : TestBase() {
     )
     fun getLinkDestinationFake(supplyValue: String, compareValue: String) {
         assertEquals(
-            compareValue
+            transformToStringPath(compareValue),
-                .replace("+", FileAccess.temporaryCacheDirectory!!.toString())
-                .replace("%", File.separator),
             FileAccess
                 .temporaryCacheDirectory!!
                 .traverse("getLinkDestinationSymlinkFake.link.txt")