Add address retrieve API

src/main/java/com/bravo/user/controller/AddressController.java

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+package com.bravo.user.controller;
+
+import com.bravo.user.annotation.SwaggerController;
+import com.bravo.user.model.dto.AddressDto;
+import com.bravo.user.service.AddressService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+@RequestMapping(value = "/user")
+@SwaggerController
+public class AddressController {
+    private final AddressService addressService;
+
+    @ResponseBody
+    @GetMapping(value = "/{userId}/address")
+    List<AddressDto> findAll(@PathVariable String userId) {
+        return addressService.findAllByUserId(userId);
+    }
+}

src/main/java/com/bravo/user/dao/repository/AddressRepository.java

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+package com.bravo.user.dao.repository;
+
+import com.bravo.user.dao.model.Address;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface AddressRepository extends JpaRepository<Address, String>, JpaSpecificationExecutor<Address> {
+}

src/main/java/com/bravo/user/dao/specification/AddressSpecification.java

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+package com.bravo.user.dao.specification;
+
+import com.bravo.user.dao.model.Address;
+import com.bravo.user.model.filter.AddressFilter;
+import lombok.RequiredArgsConstructor;
+
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.Root;
+
+@RequiredArgsConstructor
+public class AddressSpecification extends AbstractSpecification<Address> {
+    private final AddressFilter filter;
+
+    @Override
+    void doFilter(Root<Address> root, CriteriaQuery<?> criteriaQuery, CriteriaBuilder criteriaBuilder) {
+        applyStringFilter(root.get("userId"), filter.getUserId());
+    }
+}

src/main/java/com/bravo/user/model/filter/AddressFilter.java

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+package com.bravo.user.model.filter;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.Set;
+
+@Data
+@Builder
+public class AddressFilter {
+    private Set<String> userId;
+}

src/main/java/com/bravo/user/service/AddressService.java

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+package com.bravo.user.service;
+
+import com.bravo.user.dao.model.Address;
+import com.bravo.user.dao.model.mapper.ResourceMapper;
+import com.bravo.user.dao.repository.AddressRepository;
+import com.bravo.user.dao.specification.AddressSpecification;
+import com.bravo.user.model.dto.AddressDto;
+import com.bravo.user.model.filter.AddressFilter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Set;
+
+@RequiredArgsConstructor
+@Service
+public class AddressService {
+    private final AddressRepository addressRepository;
+    private final ResourceMapper resourceMapper;
+
+    public List<AddressDto> findAllByUserId(String userId) {
+        AddressFilter filter = AddressFilter.builder()
+                .userId(Set.of(userId))
+                .build();
+        AddressSpecification specification = new AddressSpecification(filter);
+        List<Address> addresses = addressRepository.findAll(specification);
+        return resourceMapper.convertAddresses(addresses);
+    }
+}

src/test/java/com/bravo/user/controller/AddressControllerTest.java

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+package com.bravo.user.controller;
+
+import com.bravo.user.model.dto.AddressDto;
+import com.bravo.user.service.AddressService;
+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.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.util.List;
+
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(controllers = AddressController.class)
+class AddressControllerTest {
+    @Autowired
+    private MockMvc mockMvc;
+    @MockBean
+    AddressService service;
+
+    @Test
+    void getShouldReturnAddressWithMatchingZip() throws Exception {
+        AddressDto address = new AddressDto();
+        address.setZip("test zip");
+        AddressDto address1 = new AddressDto();
+        address1.setZip("test zip 1");
+        when(service.findAllByUserId("testId")).thenReturn(List.of(address, address1));
+        mockMvc.perform(get("/user/testId/address"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$[0].zip").value("test zip"))
+                .andExpect(jsonPath("$[1].zip").value("test zip 1"));
+    }
+
+    @Test
+    void emptyIdShouldNotFindAnything() throws Exception {
+        mockMvc.perform(get("/user/address")).andExpect(status().isNotFound());
+    }
+
+    @Test
+    void noDataShouldReturnEmptyList() throws Exception {
+        mockMvc.perform(get("/user/test id/address"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isEmpty());
+    }
+}

src/test/java/com/bravo/user/service/AddressServiceTest.java

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+package com.bravo.user.service;
+
+import com.bravo.user.dao.model.Address;
+import com.bravo.user.dao.model.mapper.ResourceMapper;
+import com.bravo.user.dao.repository.AddressRepository;
+import com.bravo.user.model.dto.AddressDto;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.jpa.domain.Specification;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@SpringBootTest
+@ExtendWith(MockitoExtension.class)
+class AddressServiceTest {
+    private AddressService testObj;
+    @Mock
+    private AddressRepository repository;
+    @Autowired
+    private ResourceMapper mapper;
+
+    @BeforeEach
+    void setUp() {
+        testObj = new AddressService(repository, mapper);
+    }
+
+    @Test
+    void findAllShouldCallRepositoryMethodAndMatchZip() {
+        Address address = new Address();
+        String zip = "test zip";
+        address.setZip(zip);
+        when(repository.findAll(any(Specification.class))).thenReturn(List.of(address));
+        List<AddressDto> results = testObj.findAllByUserId("");
+        assertEquals(zip, results.get(0).getZip());
+        verify(repository).findAll(any(Specification.class));
+    }
+}