Bug: QuestionControllerTest have problem with Autowiring

Author: zahar.kalosha

src/test/java/com/example/postgresdemo/controller/QuestionControllerTest.java

@@ -0,0 +1,45 @@
+package com.example.postgresdemo.controller;
+
+import com.example.postgresdemo.model.Question;
+import com.example.postgresdemo.repository.QuestionRepository;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.web.context.WebApplicationContext;
+
+import java.util.List;
+
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Mockito.when;
+
+//@SpringBootTest
+//@WebMvcTest
+@WebMvcTest(QuestionController.class)
+public class QuestionControllerTest {
+//    private QuestionRepository questionRepository;
+
+    @Autowired
+    private WebApplicationContext webApplicationContext;
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void testCreateMockMvc() {
+        assertNotNull(mockMvc);
+    }
+
+    @Test
+    public void testGetQuestions() throws Exception {
+//        when(questionRepository.findAll()).thenReturn(List.of(new Question()));
+
+        this.mockMvc
+                .perform(MockMvcRequestBuilders.get("/questions"))
+                .andExpect(MockMvcResultMatchers.status().isOk());
+    }
+}

src/test/resources/application.properties

@@ -0,0 +1,18 @@
+spring.datasource.url=jdbc:h2:mem:test;MODE=PostgreSQL;
+spring.datasource.driver-class-name=org.h2.Driver
+spring.datasource.username=${DB_USER}
+spring.datasource.password=${DB_PASSWORD}
+# We add the MySQL Dialect so that it understands and generates the query based on MySQL
+spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
+
+spring.h2.console.enabled=true
+#spring.jpa.defer-datasource-initialization=true
+spring.jpa.hibernate.ddl-auto=update
+#spring.jpa.hibernate.naming.implicit-strategy=org.hibernate.boot.model.naming.ImplicitNamingStrategyLegacyJpaImpl
+#spring.jpa.hibernate.naming.physical-strategy=org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl
+spring.jpa.properties.hibernate.format_sql=true
+#spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.ImprovedNamingStrategy
+spring.jpa.properties.hibernate.show_sql=true
+
+
+spring.sql.init.mode=always