BAEL-5403 - Import Data to MongoDB from Json File using Java

* Project * Integration tests
2022-03-11 20:11:54 -03:00
parent 3b043a30dc
commit 5b56b1ed39
11 changed files with 427 additions and 1 deletions
@@ -0,0 +1,105 @@
+package com.baeldung.boot.json.convertfile.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.boot.json.convertfile.ImportUtils;
+import com.baeldung.boot.json.convertfile.dao.BookRepository;
+import com.baeldung.boot.json.convertfile.data.Book;
+import com.mongodb.DBObject;
+
+@SpringBootTest
+@DirtiesContext
+@RunWith(SpringRunner.class)
+public class ImportJsonServiceIntegrationTest {
+    @Autowired
+    private ImportJsonService service;
+
+    @Autowired
+    private MongoTemplate mongoDb;
+
+    @Autowired
+    BookRepository bookRepository;
+
+    @Test
+    public void givenJsonString_whenGenericType_thenDocumentImported() {
+        String collection = "items";
+        List<DBObject> docs = mongoDb.findAll(DBObject.class, collection);
+        int sizeBefore = docs.size();
+
+        String json = "{\"name\":\"Item A\"}\n{\"name\":\"Item B\"}";
+        List<String> jsonLines = ImportUtils.lines(json);
+        service.importTo(collection, jsonLines);
+
+        docs = mongoDb.findAll(DBObject.class, collection);
+        int sizeAfter = docs.size();
+        assertThat(sizeAfter - sizeBefore).isEqualTo(jsonLines.size());
+    }
+
+    @Test
+    public void givenJsonFile_whenClasspathSource_thenDocumentImported() {
+        String collection = "movies";
+        List<DBObject> docs = mongoDb.findAll(DBObject.class, collection);
+        int sizeBefore = docs.size();
+
+        String resource = "boot.json.convertfile/movies.json.log";
+        List<String> jsonLines = ImportUtils.linesFromResource(resource);
+        service.importTo(collection, jsonLines);
+
+        docs = mongoDb.findAll(DBObject.class, collection);
+        int sizeAfter = docs.size();
+        assertThat(sizeAfter - sizeBefore).isEqualTo(jsonLines.size());
+    }
+
+    @Test
+    public void givenJsonClasspathFile_whenCorrectlyTyped_thenDocumentImported() {
+        List<Book> books = bookRepository.findAll();
+        int sizeBefore = books.size();
+
+        String resource = "boot.json.convertfile/books.json.log";
+        List<String> jsonLines = ImportUtils.linesFromResource(resource);
+        service.importTo(Book.class, jsonLines);
+
+        books = bookRepository.findAll();
+        int sizeAfter = books.size();
+        assertThat(sizeAfter - sizeBefore).isEqualTo(jsonLines.size());
+    }
+
+    @Test
+    public void givenIncorrectlyTypedJson_whenUsingTypes_thenDocumentNotImported() {
+        List<Book> books = bookRepository.findAll();
+        int sizeBefore = books.size();
+
+        String resource = "boot.json.convertfile/movies.json.log";
+        List<String> jsonLines = ImportUtils.linesFromResource(resource);
+        service.importTo(Book.class, jsonLines);
+
+        books = bookRepository.findAll();
+        int sizeAfter = books.size();
+        assertThat(sizeAfter - sizeBefore).isEqualTo(0);
+    }
+
+    @Test
+    public void whenInvalidJson_thenDocumentNotImported() {
+        String collection = "items";
+        List<DBObject> docs = mongoDb.findAll(DBObject.class, collection);
+        int sizeBefore = docs.size();
+
+        String json = "{name: Item A}\n{name: Item B}";
+        List<String> jsonLines = ImportUtils.lines(json);
+        service.importTo(collection, jsonLines);
+
+        docs = mongoDb.findAll(DBObject.class, collection);
+        int sizeAfter = docs.size();
+        assertThat(sizeAfter - sizeBefore).isEqualTo(0);
+    }
+}