From d6191d1cad09f5bb80a650f92ae6294b39dea5ef Mon Sep 17 00:00:00 2001
From: Ilia Kirianovskii <Ilia.Kirianovskii@jetbrains.com>
Date: Thu, 15 Jan 2026 13:03:31 +0100
Subject: [PATCH] [build] Add UltimateProjectTestsStructureTest#`no
 @PerformanceUnitTest methods in junit5 performance tests` test (in
 intellij.idea.ultimate.build.tests module) to check that no unsupported
 junit5 performance tests (IJI-3451)

Also adds includeEverything optional parameter in ClassFinder to specify whether all classes should be matched.

GitOrigin-RevId: 1596b333da370e81e2667516357f9c5514623cb0
---
 .../core/src/com/intellij/ClassFinder.java           | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/platform/testFramework/core/src/com/intellij/ClassFinder.java b/platform/testFramework/core/src/com/intellij/ClassFinder.java
index b9f4f0ad94fe..ea6de73ec962 100644
--- a/platform/testFramework/core/src/com/intellij/ClassFinder.java
+++ b/platform/testFramework/core/src/com/intellij/ClassFinder.java
@@ -22,10 +22,16 @@ public class ClassFinder {
   private final List<String> classNameList;
   private final Path classPathRoot;
   private final boolean includeUnconventionallyNamedTests;
+  private final boolean includeEverything;
 
   public ClassFinder(final Path classPathRoot, final String rootPackage, boolean includeUnconventionallyNamedTests) {
+    this(classPathRoot, rootPackage, includeUnconventionallyNamedTests, false);
+  }
+
+  public ClassFinder(final Path classPathRoot, final String rootPackage, boolean includeUnconventionallyNamedTests, boolean includeEverything) {
     this.classPathRoot = classPathRoot;
     this.includeUnconventionallyNamedTests = includeUnconventionallyNamedTests;
+    this.includeEverything = includeEverything;
     String directoryOffset = rootPackage.replace(".", classPathRoot.getFileSystem().getSeparator());
     if (Files.isRegularFile(classPathRoot)) {
       classNameList = findAndStoreTestClassesFromJar(directoryOffset);
@@ -38,6 +44,12 @@ public class ClassFinder {
   private @Nullable String computeClassName(final @NotNull Path path, final @NotNull Path root) {
     Path absPath = path.toAbsolutePath();
     String fileName = absPath.getFileName().toString();
+    if (includeEverything) {
+      if (fileName.endsWith(".class")) {
+        return getClassFQN(absPath, root);
+      }
+      return null;
+    }
     if (!includeUnconventionallyNamedTests) {
       // It's faster and easier to check for `endsWith` rather than `extensionEquals` (see below) which does `endsWith`
       if (fileName.endsWith("Test.class")) {