Add JUnit5 dependency and Write test code that write .csv report file

Author: Dokyeongyun

pom.xml

@@ -3,8 +3,20 @@
 	<groupId>DBMonitoring</groupId>
 	<artifactId>DBMonitoring</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>9</source>
+                    <target>9</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
-	<dependencies>
+    <dependencies>
 		<!-- https://mvnrepository.com/artifact/org.quartz-scheduler/quartz -->
 		<dependency>
 		    <groupId>org.quartz-scheduler</groupId>
@@ -173,5 +185,14 @@
 		    <artifactId>commons-lang3</artifactId>
 		    <version>3.11</version>
 		</dependency>
+		
+		<!-- Junit-jupiter-api -->
+		<dependency>
+		    <groupId>org.junit.jupiter</groupId>
+		    <artifactId>junit-jupiter-api</artifactId>
+		    <version>5.7.0</version>
+		    <scope>test</scope>
+		</dependency>
+
 	</dependencies>
 </project>

src/main/java/root/utils/CsvUtils.java

@@ -52,6 +52,27 @@ public static String createCsvHeader(List<String> fieldNames) {
 		return sb.toString();
 	}
 
+	/**
+	 * 
+	 * @param fieldNames
+	 * @return
+	 */
+	public static String createCsvHeader(Class<?> clazz) {
+		StringBuffer sb = new StringBuffer();
+		
+		try {
+			Field[] fields = clazz.getDeclaredFields();
+			List<String> fieldName = Arrays.asList(fields).stream().map(f -> (f.getName()))
+					.collect(Collectors.toList());
+
+			sb.append(createCsvHeader(fieldName));
+		} catch (IllegalArgumentException e) {
+			e.printStackTrace();
+		}
+
+		return sb.toString();
+	}
+	
 	/**
 	 * 
 	 * @param object
@@ -66,7 +87,9 @@ public static String createCsvRow(Object object, Class<?> clazz)
 
 		if (StringUtils.equals(object.getClass().getName(), clazz.getName())) {
 			for (Field f : clazz.getDeclaredFields()) {
-				boolean accessible = f.canAccess(object);
+				@SuppressWarnings("deprecation")
+				boolean accessible = f.isAccessible();
+				
 				f.setAccessible(true);
 
 				String appender = sb.isEmpty() ? StringUtils.getIfEmpty(f.get(object).toString(), () -> "-")
@@ -79,5 +102,4 @@ public static String createCsvRow(Object object, Class<?> clazz)
 
 		return sb.toString();
 	}
-
 }

src/test/java/root/core/repository/implement/ReportRepositoryImplTest.java

@@ -0,0 +1,69 @@
+package root.core.repository.implement;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.util.List;
+
+import org.apache.commons.lang3.StringUtils;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import root.core.domain.TableSpaceUsage;
+import root.utils.CsvUtils;
+import root.utils.DateUtils;
+
+public class ReportRepositoryImplTest {
+
+	public static String rootDirectory = "./report";
+
+	@BeforeAll
+	public static void setUp() {
+	}
+
+	@Test
+	public void writeReportFile_TableSpaceObj() {
+		String filePath = "TableSpaceUsage";
+		String fileName = "DB1";
+		String fileExtension = ".csv";
+		List<TableSpaceUsage> monitoringResult = List.of(
+				new TableSpaceUsage("GGS_DATA", 17.67, 16.83, 95, .84),
+				new TableSpaceUsage("SYSTEM", 3.2, 2.9, 91, .3),
+				new TableSpaceUsage("DAISO_INDX", 1080, 960.09, 89, 119.91),
+				new TableSpaceUsage("DAISO_TBS", 2130, 1719.55, 81, 410.45)
+				);
+
+		try {
+			File file = new File(rootDirectory + "/" + filePath + "/" + fileName + fileExtension);
+			File parentDir = file.getParentFile();
+
+			boolean isNewFile = false;
+			if (!file.exists()) {
+				parentDir.mkdirs();
+				file.createNewFile();
+				isNewFile = true;
+			}
+
+			String content = null;
+			if (isNewFile) { // 첫 파일작성인 경우 헤더 추가
+				content = StringUtils.joinWith(",", "MONITORING_DATE", "MONITORING_TIME",
+						CsvUtils.createCsvHeader(TableSpaceUsage.class));
+			}
+			
+			String now = DateUtils.getToday("yyyyMMddHHmmss");
+			for (TableSpaceUsage t : monitoringResult) {
+				String row = StringUtils.joinWith(",", now.substring(0, 8), now.substring(8),
+						CsvUtils.createCsvRow(t, TableSpaceUsage.class));
+				content = StringUtils.joinWith(System.lineSeparator(), content, row);
+			}			
+			
+			BufferedWriter bw = new BufferedWriter(new FileWriter(file, true));
+			bw.append(content);
+			bw.flush();
+			bw.close();
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+}