[R2] Unit test method for find doctors

src/test/java/com/mirna/hospitalmanagementapi/unit/application/service/DoctorServiceTest.java

@@ -1,22 +1,31 @@
 package com.mirna.hospitalmanagementapi.unit.application.service;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestInstance;
 import org.junit.jupiter.api.TestInstance.Lifecycle;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
 import org.springframework.test.context.ActiveProfiles;
 
 import com.mirna.hospitalmanagementapi.HospitalManagementApiApplication;
 import com.mirna.hospitalmanagementapi.application.services.DoctorServiceImpl;
 import com.mirna.hospitalmanagementapi.domain.dtos.AddressDTO;
 import com.mirna.hospitalmanagementapi.domain.dtos.DoctorDTO;
+import com.mirna.hospitalmanagementapi.domain.dtos.DoctorPublicDataDTO;
 import com.mirna.hospitalmanagementapi.domain.entities.Doctor;
 import com.mirna.hospitalmanagementapi.domain.enums.Specialty;
+import com.mirna.hospitalmanagementapi.domain.repositories.DoctorRepository;
 
 import jakarta.validation.ConstraintViolationException;
 
@@ -33,6 +42,30 @@ public class DoctorServiceTest {
 	@Autowired
 	private DoctorServiceImpl doctorService;
 	
+	@Autowired
+	private DoctorRepository doctorRepository;
+	
+	@BeforeAll
+	public void init() {
+		DoctorDTO doctorDTO1 = new DoctorDTO("test1", "test1@gmail.com", "123456", "99999999", Specialty.ORTHOPEDICS,
+				new AddressDTO("TEST STREET", "NEIGHBORHOOD", "12345678", "CITY", "ST", null, null));
+				
+		DoctorDTO doctorDTO2 = new DoctorDTO("test2", "test2@gmail.com", "789101", "99999999", Specialty.ORTHOPEDICS,
+				new AddressDTO("TEST STREET", "NEIGHBORHOOD", "12345678", "CITY", "ST", null, null));
+		
+		DoctorDTO doctorDTO3 = new DoctorDTO("test3", "test3@gmail.com", "112131", "99999999", Specialty.ORTHOPEDICS,
+				new AddressDTO("TEST STREET", "NEIGHBORHOOD", "12345678", "CITY", "ST", null, null));
+	
+		doctorRepository.save(new Doctor(doctorDTO1));
+		doctorRepository.save(new Doctor(doctorDTO2));
+		doctorRepository.save(new Doctor(doctorDTO3));
+	}
+	
+	@AfterAll
+	public void terminate() {
+		doctorRepository.deleteAll();
+	}
+	
 	/**
 	 * Create a valid doctor.
 	 */
@@ -58,4 +91,17 @@ public class DoctorServiceTest {
 		
 		assertThrows(ConstraintViolationException.class, () ->  doctorService.addDoctor(doctorDTO));
 	}
+	
+	/**
+	 * Finds doctors stored in the database with pagination
+	 */
+	@Test
+	@DisplayName("Should find doctors with pagination")
+	public void testFindDoctors() throws Exception {
+		Pageable pageable = PageRequest.of(0, 3);
+		
+		Page<DoctorPublicDataDTO> doctors = doctorService.findDoctors(pageable);
+		
+		assertEquals(doctors.getSize(), 3);
+	}
 }