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BAEL-5545: added unit test for ProductService

This commit is contained in:
Elmar Mammadov 2022-07-08 02:11:40 +02:00
parent eafb271394
commit b2ebd89c05
2 changed files with 47 additions and 4 deletions
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4
persistence-modules/spring-jdbc-batch/src/main/java/com/baeldung/spring/jdbc/batch/service/ProductService.java
View File

@ -31,7 +31,7 @@ public class ProductService {
return clock.millis() - startTime;
}
protected List<Product> generate(int count) {
private List<Product> generate(int count) {
final String[] titles = { "car", "plane", "house", "yacht" };
final BigDecimal[] prices = {
new BigDecimal("12483.12"),
@ -44,7 +44,7 @@ public class ProductService {
for (int i = 0; i < count; i++) {
Product product = new Product();
product.setCreatedTs(LocalDateTime.now());
product.setCreatedTs(LocalDateTime.now(clock));
product.setPrice(prices[random.nextInt(4)]);
product.setTitle(titles[random.nextInt(4)]);
products.add(product);

47
persistence-modules/spring-jdbc-batch/src/test/java/com/baeldung/spring/jdbc/batch/service/ProductServiceUnitTest.java
View File

@ -1,13 +1,30 @@
package com.baeldung.spring.jdbc.batch.service;
import com.baeldung.spring.jdbc.batch.model.Product;
import com.baeldung.spring.jdbc.batch.repo.ProductRepository;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import java.math.BigDecimal;
import java.time.Clock;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.List;
import java.util.Random;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.tuple;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@ExtendWith(MockitoExtension.class)
class ProductServiceUnitTest {
@Mock
@ -19,8 +36,34 @@ class ProductServiceUnitTest {
@InjectMocks
ProductService productService;
@Test
void testWhenThen() {
@Captor
ArgumentCaptor<List<Product>> proArgumentCaptor;
@Test
void testWhenCreateProductsThenShouldSaveAndReturnElapsedTime() {
when(random.nextInt(4))
.thenReturn(1, 3, 2, 0);
when(clock.instant())
.thenReturn(Instant.parse("2022-04-09T10:15:30.00Z"));
when(clock.millis())
.thenReturn(100L,500L);
when(clock.getZone())
.thenReturn(ZoneId.systemDefault());
long actualElapsedTime = productService.createProducts(2);
assertThat(actualElapsedTime)
.isEqualTo(400L);
verify(productRepository,times(1))
.saveAll(proArgumentCaptor.capture());
assertThat(proArgumentCaptor.getValue())
.hasSize(2)
.extracting("title","createdTs","price")
.containsExactly(
tuple("yacht", LocalDateTime.parse("2022-04-09T12:15:30"), new BigDecimal("8539.99")),
tuple("car", LocalDateTime.parse("2022-04-09T12:15:30"), new BigDecimal("88894"))
);
}
}