fixes bug with supports logic for cfenv

Author: David O'Sullivan

lib/java_buildpack/framework/spring_auto_reconfiguration.rb

@@ -59,10 +59,9 @@ def spring?
       end
 
       def java_cfenv?
-        (@droplet.root + '**/*java-cfenv*.jar').glob.any? ||
-          @droplet.additional_libraries.sort.map do |additional_library|
-            return false unless (additional_library.dirname + '*java-cfenv*.jar').glob.any?
-          end
+        (@droplet.root + '**/*java-cfenv*.jar').glob.any? || @droplet.additional_libraries.any? do |additional_library|
+          additional_library.instance_variable_get(:@pathname).fnmatch?('*java-cfenv*.jar')
+        end
       end
 
       def spring_cloud_connectors?

spec/fixtures/framework_auto_reconfiguration_java_cfenv_bp/WEB-INF/lib/spring-boot-3.2.3.RELEASE.jar

@@ -45,12 +45,6 @@
     expect(component.detect).to be_nil
   end
 
-  it 'does not detect with Spring JAR and buildpack java-cfenv',
-     app_fixture: 'framework_auto_reconfiguration_java_cfenv_bp' do
-
-    expect(component.detect).to be_nil
-  end
-
   it 'does not detect without Spring JAR' do
     expect(component.detect).to be_nil
   end
@@ -110,4 +104,21 @@
     expect(additional_libraries).to include(sandbox + "spring_auto_reconfiguration-#{version}.jar")
   end
 
+  context('when java-cfenv injects its lib') do
+
+    before do
+      additional_libraries.insert 0, additional_libs_directory + 'stub-java-cfenv.jar'
+    end
+
+    after do
+      additional_libraries.delete additional_libs_directory + 'stub-java-cfenv.jar'
+    end
+
+    it 'does not detect with Spring JAR and injected cfenv',
+       app_fixture: 'framework_auto_reconfiguration_servlet_3' do
+
+      expect(component.detect).to be_nil
+    end
+
+  end
 end