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darrachequesnedarrachequesne
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test: add integration tests
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‎pom.xml‎

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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-validation</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>

‎src/test/java/org/springframework/data/jpa/datatables/TestApplication.java‎

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package org.springframework.data.jpa.datatables;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class TestApplication {
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}

‎src/test/java/org/springframework/data/jpa/datatables/repository/EmployeeController.java‎

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package org.springframework.data.jpa.datatables.repository;
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import jakarta.validation.Valid;
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import org.springframework.data.jpa.datatables.mapping.DataTablesInput;
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import org.springframework.data.jpa.datatables.mapping.DataTablesOutput;
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import org.springframework.data.jpa.datatables.model.Employee;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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class EmployeeController {
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private final EmployeeRepository employeeRepository;
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public EmployeeController(EmployeeRepository employeeRepository) {
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this.employeeRepository = employeeRepository;
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}
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@RequestMapping(value = "/employees", method = RequestMethod.GET)
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public DataTablesOutput<Employee> findEmployees(@Valid DataTablesInput input) {
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return employeeRepository.findAll(input);
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}
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@RequestMapping(value = "/employees", method = RequestMethod.POST)
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public DataTablesOutput<Employee> findEmployeesWithPOST(
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@Valid @RequestBody DataTablesInput input) {
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return employeeRepository.findAll(input);
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}
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}

‎src/test/java/org/springframework/data/jpa/datatables/repository/EmployeeControllerTest.java‎

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package org.springframework.data.jpa.datatables.repository;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.data.jpa.datatables.TestApplication;
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import org.springframework.data.jpa.datatables.model.Employee;
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import org.springframework.http.MediaType;
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import org.springframework.test.context.junit.jupiter.SpringExtension;
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import org.springframework.test.web.servlet.MockMvc;
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import org.springframework.util.MultiValueMap;
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import java.util.HashMap;
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import java.util.Map;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
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@ExtendWith(SpringExtension.class)
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@SpringBootTest(
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webEnvironment = SpringBootTest.WebEnvironment.MOCK,
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classes = TestApplication.class)
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@AutoConfigureMockMvc
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class EmployeeControllerTest {
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@Autowired private EmployeeRepository employeeRepository;
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@BeforeEach
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public void init() {
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this.employeeRepository.saveAll(Employee.ALL);
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}
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private static Map<String, String> createQuery() {
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var query = new HashMap<String, String>();
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query.put("draw", "1");
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query.put("start", "0");
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query.put("length", "10");
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query.put("search.value", "");
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query.put("search.regex", "false");
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query.put("order[0].column", "0");
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query.put("order[0].dir", "asc");
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query.put("columns[0].data", "id");
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query.put("columns[0].searchable", "true");
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query.put("columns[0].orderable", "true");
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query.put("columns[0].search.value", "");
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query.put("columns[0].search.regex", "false");
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return query;
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}
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@Test
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void basic(@Autowired MockMvc mvc) throws Exception {
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var query = createQuery();
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mvc.perform(get("/employees").queryParams(MultiValueMap.fromSingleValue(query)))
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.andExpect(status().isOk())
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.andExpect(jsonPath("draw").value(1))
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.andExpect(jsonPath("recordsTotal").value(6))
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.andExpect(jsonPath("recordsFiltered").value(6))
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.andExpect(jsonPath("data[0].firstName").value("Brenden"))
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.andExpect(jsonPath("error").isEmpty());
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}
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@Test
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void page(@Autowired MockMvc mvc) throws Exception {
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var query = createQuery();
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query.put("draw", "2");
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query.put("start", "1");
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query.put("length", "1");
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mvc.perform(get("/employees").queryParams(MultiValueMap.fromSingleValue(query)))
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.andExpect(status().isOk())
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.andExpect(jsonPath("draw").value(2))
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.andExpect(jsonPath("recordsTotal").value(6))
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.andExpect(jsonPath("recordsFiltered").value(6))
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.andExpect(jsonPath("data[0].firstName").value("Ashton"))
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.andExpect(jsonPath("error").isEmpty());
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}
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@Test
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void invalidStart(@Autowired MockMvc mvc) throws Exception {
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var query = createQuery();
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query.put("start", "-1");
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mvc.perform(get("/employees").queryParams(MultiValueMap.fromSingleValue(query)))
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.andExpect(status().is4xxClientError());
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}
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@Test
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void withPOST(@Autowired MockMvc mvc) throws Exception {
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mvc.perform(
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post("/employees")
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.contentType(MediaType.APPLICATION_JSON)
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.content(
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"""
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{
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"draw": "1",
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"start": "0",
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"length": "10",
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"search": {
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"value": "",
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"regex": false
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},
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"order": [
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{
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"column": 0,
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"dir": "asc"
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}
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],
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"columns": [
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{
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"data": "id",
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"searchable": true,
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"orderable": true,
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"search": {
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"value": "",
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"regex": false
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}
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}
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]
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}
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"""))
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.andExpect(status().isOk())
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.andExpect(jsonPath("draw").value(1))
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.andExpect(jsonPath("recordsTotal").value(6))
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.andExpect(jsonPath("recordsFiltered").value(6))
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.andExpect(jsonPath("data[0].firstName").value("Brenden"))
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.andExpect(jsonPath("error").isEmpty());
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}
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}

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