dupirefr/dupire.francois+pro@gmail.com [BAEL-1981] Spring data jpa dates (#4795)

* [BAEL-1981] Article entity and repository + tests

* [BAEL-1981] Removing unnecessary fields

* [BAEL-1981] spring-data-jpa module creation

spring-data-jpa/src/test/java/com/baeldung/repository/ArticleRepositoryIntegrationTest.java

@@ -0,0 +1,67 @@
+package com.baeldung.repository;
+
+import com.baeldung.domain.Article;
+import com.baeldung.repository.ArticleRepository;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+@RunWith(SpringRunner.class)
+@DataJpaTest
+public class ArticleRepositoryIntegrationTest {
+
+    @Autowired
+    private ArticleRepository repository;
+
+    @Test
+    public void givenImportedArticlesWhenFindAllByPublicationDateThenArticles1And2Returned()
+      throws Exception {
+        List<Article> result = repository.findAllByPublicationDate(
+          new SimpleDateFormat("yyyy-MM-dd").parse("2018-01-01")
+        );
+
+        assertEquals(2, result.size());
+        assertTrue(result.stream()
+          .map(Article::getId)
+          .allMatch(id -> Arrays.asList(1, 2).contains(id))
+        );
+    }
+
+    @Test
+    public void givenImportedArticlesWhenFindAllByPublicationTimeBetweenThenArticles2And3Returned()
+      throws Exception {
+        List<Article> result = repository.findAllByPublicationTimeBetween(
+          new SimpleDateFormat("HH:mm").parse("15:15"),
+          new SimpleDateFormat("HH:mm").parse("16:30")
+        );
+
+        assertEquals(2, result.size());
+        assertTrue(result.stream()
+          .map(Article::getId)
+          .allMatch(id -> Arrays.asList(2, 3).contains(id))
+        );
+    }
+
+    @Test
+    public void givenImportedArticlesWhenFindAllWithCreationDateTimeBeforeThenArticles2And3Returned() throws Exception {
+        List<Article> result = repository.findAllWithCreationDateTimeBefore(
+          new SimpleDateFormat("yyyy-MM-dd HH:mm").parse("2017-12-15 10:00")
+        );
+
+        assertEquals(2, result.size());
+        assertTrue(result.stream()
+          .map(Article::getId)
+          .allMatch(id -> Arrays.asList(2, 3).contains(id))
+        );
+    }
+
+}