activiti with spring security example (#2909)

spring-activiti/src/test/java/com/example/activitiwithspring/ActivitiSpringSecurityIntegrationTest.java

@@ -0,0 +1,31 @@
+package com.example.activitiwithspring;
+
+import org.activiti.engine.IdentityService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+import com.baeldung.activiti.security.withspring.ActivitiSpringSecurityApplication;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = ActivitiSpringSecurityApplication.class)
+@WebAppConfiguration
+public class ActivitiSpringSecurityIntegrationTest {
+    @Autowired
+    private IdentityService identityService;
+
+    @Test
+    public void whenUserExists_thenOk() {
+        identityService.setUserPicture("spring_user", null);
+    }
+
+    @Test(expected = UsernameNotFoundException.class)
+    public void whenUserNonExistent_thenSpringException() {
+        identityService.setUserPicture("user3", null);
+    }
+
+}