Ensure that streams are closed during test

Author: koppor

jablib/src/test/java/org/jabref/logic/exporter/OpenOfficeDocumentCreatorTest.java

@@ -1,6 +1,7 @@
 package org.jabref.logic.exporter;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.net.URISyntaxException;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
@@ -72,15 +73,18 @@ void performExportForSingleEntry(@TempDir Path testFolder) throws IOException, S
         unzipContentXml(zipPath, testFolder.resolve(unzipFolder));
         Path contentXmlPath = unzipFolder.resolve("content.xml");
 
-        Input.Builder control = Input.from(Files.newInputStream(xmlFile));
-        Input.Builder test = Input.from(Files.newInputStream(contentXmlPath));
         // for debugging purposes
-       // Path testPath = xmlFile.resolveSibling("test.xml");
-       // Files.copy(Files.newInputStream(contentXmlPath), testPath, StandardCopyOption.REPLACE_EXISTING);
-
-        assertThat(test, CompareMatcher.isSimilarTo(control)
-                                       .normalizeWhitespace()
-                                       .withNodeMatcher(new DefaultNodeMatcher(ElementSelectors.byNameAndText)).throwComparisonFailure());
+        // Files.copy(contentXmlPath, xmlFile.resolveSibling("test.xml"), StandardCopyOption.REPLACE_EXISTING);
+
+        try (InputStream xmlFileInputStream = Files.newInputStream(xmlFile);
+             InputStream contentXmlInputStream = Files.newInputStream(contentXmlPath);
+        ) {
+            Input.Builder control = Input.from(xmlFileInputStream);
+            Input.Builder test = Input.from(contentXmlInputStream);
+            assertThat(test, CompareMatcher.isSimilarTo(control)
+                                           .normalizeWhitespace()
+                                           .withNodeMatcher(new DefaultNodeMatcher(ElementSelectors.byNameAndText)).throwComparisonFailure());
+        }
     }
 
     private static void unzipContentXml(Path zipFile, Path unzipFolder) throws IOException {