Merge pull request #42585 from gsmet/fix-test-temp-directory

Do not try to create temp directory in test archives

test-framework/junit5/src/main/java/io/quarkus/test/junit/AbstractJvmQuarkusTestExtension.java

@@ -176,7 +176,15 @@ protected PrepareResult createAugmentor(ExtensionContext context, Class<? extend
  }
 
  // Creates a temporary application.properties file for the test with a high ordinal (build and runtime)
- Path tempDirectory = Files.createTempDirectory(testClassLocation, requiredTestClass.getSimpleName());
+ // Note that in the case of the Quarkus Platform, the testClassLocation is actually a jar so we can't
+ // create a temp directory in it.
+ Path tempDirectory;
+ if (Files.isDirectory(testClassLocation) && Files.isWritable(testClassLocation)) {
+ tempDirectory = Files.createTempDirectory(testClassLocation, requiredTestClass.getSimpleName());
+ } else {
+ tempDirectory = Files.createTempDirectory(requiredTestClass.getSimpleName());
+ }
+
  Path propertiesFile = tempDirectory.resolve("application.properties");
  Files.createFile(propertiesFile);
  Properties properties = new Properties();