From ece996027adcd53330b68b89023cfe1134293f54 Mon Sep 17 00:00:00 2001
From: Philipp Kunz <dev@qnz.ch>
Date: Sat, 2 Mar 2024 12:36:12 +0100
Subject: [PATCH] auto-detect inject method parameter types

---
 .../jboss/weld/junit5/auto/ClassScanning.java |  2 +-
 .../junit5/auto/InjectMethodParamTest.java    | 29 +++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 junit5/src/test/java/org/jboss/weld/junit5/auto/InjectMethodParamTest.java

diff --git a/junit5/src/main/java/org/jboss/weld/junit5/auto/ClassScanning.java b/junit5/src/main/java/org/jboss/weld/junit5/auto/ClassScanning.java
index 5b063952..233aa0c1 100644
--- a/junit5/src/main/java/org/jboss/weld/junit5/auto/ClassScanning.java
+++ b/junit5/src/main/java/org/jboss/weld/junit5/auto/ClassScanning.java
@@ -101,7 +101,7 @@ static void scanForRequiredBeanClasses(List<Class<?>> testClasses, Weld weld, bo
                     .forEach(cls -> addClassesToProcess(classesToProcess, cls));
 
             AnnotationSupport.findAnnotatedMethods(currClass, Inject.class, HierarchyTraversalMode.BOTTOM_UP).stream()
-                    .map(Method::getReturnType)
+                    .flatMap(method -> getExecutableParameterTypes(method, explicitInjection).stream())
                     .forEach(cls -> addClassesToProcess(classesToProcess, cls));
 
             findFirstAnnotatedConstructor(currClass, Inject.class)
diff --git a/junit5/src/test/java/org/jboss/weld/junit5/auto/InjectMethodParamTest.java b/junit5/src/test/java/org/jboss/weld/junit5/auto/InjectMethodParamTest.java
new file mode 100644
index 00000000..9f98b388
--- /dev/null
+++ b/junit5/src/test/java/org/jboss/weld/junit5/auto/InjectMethodParamTest.java
@@ -0,0 +1,29 @@
+package org.jboss.weld.junit5.auto;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import jakarta.enterprise.context.Dependent;
+import jakarta.inject.Inject;
+
+import org.junit.jupiter.api.Test;
+
+@EnableAutoWeld
+class InjectMethodParamTest {
+
+    @Dependent
+    static class Foo {
+    }
+
+    private Foo foo;
+
+    @Inject
+    private void setFoo(Foo foo) {
+        this.foo = foo;
+    }
+
+    @Test
+    void testInjectMethodParametersAreAddedToContainerWithNoConfiguration() {
+        assertNotNull(foo);
+    }
+
+}